New offer - be the first one to apply!
July 21, 2026
Senior Fullstack Software Engineer (m/f/n)
Senior • Remote
9,450 - 10,050 EUR
Brussels, Belgium
For our client, a European Union Organisation based in Belgium, we are looking for an experienced Full Stack Software Engineer to join a long-term international project. You will contribute to the development of innovative solutions in the areas of Digital Identity, Web3, Blockchain, EBSI, and Verifiable Credentials.
This is a unique opportunity to work on large-scale initiatives supporting the digital transformation of public services across Europe.
Role Overview
As a Full Stack Software Engineer, you will be responsible for designing, developing, testing, and maintaining end-to-end software solutions, including frontend applications, backend services, APIs, and blockchain-based components.
You will work across the entire software development lifecycle, from architecture and design through implementation, testing, deployment, and production support.
Responsibilities
- Design, develop, test, and maintain full-stack software solutions
- Build modern, responsive user interfaces using React and Next.js
- Design and implement backend services and RESTful APIs
- Develop and integrate Web3 and blockchain-based solutions
- Design, implement, and maintain smart contracts on EVM-compatible networks
- Build and integrate decentralized identity solutions, including DID and Verifiable Credentials
- Integrate systems with European digital identity and trust-service infrastructures
- Implement secure authentication, authorization, and cryptographic mechanisms
- Develop automated unit, integration, end-to-end, performance, and security tests
- Contribute to CI/CD pipelines, DevSecOps processes, and cloud-native environments
- Translate business and technical requirements into scalable and maintainable software solutions
- Produce and maintain technical documentation
- Collaborate with architects, DevOps engineers, security experts, product owners, and other stakeholders
- Ensure compliance with security best practices and software quality standards
Requirements
Education
- University degree (minimum Bachelor's or Engineering degree) in Computer Science, Software Engineering, Electronics, Mathematics, or Physics
Language
- English minimum B2 level (CEFR)
- Excellent written and verbal communication skills
- Ability to communicate effectively with technical and non-technical stakeholders in an international environment
Professional Experience
- Minimum 10 years of experience in Full Stack Software Development using JavaScript/TypeScript
- Minimum 3 years of hands-on experience with Web3 and Blockchain-based applications
- Minimum 2 years of experience implementing Decentralized Identifiers (DID), Verifiable Credentials, and Digital Identity Wallets
- Minimum 2 years of experience designing and implementing Smart Contracts on EVM-compatible blockchain networks
- Minimum 2 years of experience designing, developing, and securing RESTful APIs and web services
- Minimum 2 years of experience working with blockchain-based tokenisation solutions
- Minimum 2 years of experience delivering projects within the public sector or European institutional environment
- Minimum 8 years of experience working in Agile/Scrum environments on complex, multi-stakeholder projects
Technical Skills
Backend
- JavaScript
- TypeScript
- Node.js
- NestJS
- Bun
Frontend
- React
- Next.js
- React Native
- HTML5
- CSS3
- Webpack
- Vite
APIs & Security
- REST APIs
- OpenAPI
- OAuth 2.0
- OpenID Connect
- JWT
- mTLS
- OWASP
Databases
- PostgreSQL
- MySQL
- MongoDB
- Flyway
Blockchain & Web3
- Solidity
- OpenZeppelin
- Hardhat
- Foundry
- ethers.js or viem
- ERC-20
- ERC-721
- ERC-1155
- UUPS
- Transparent Proxy
- Diamond Pattern
Digital Identity
- DID (Decentralized Identifiers)
- Verifiable Credentials
- EBSI
- eIDAS 2.0
- OpenID4VP
- OpenID4VCI
- SIOP v2
- EUDI Wallet
DevOps & Cloud
- Docker
- Kubernetes
- GitLab CI
- Jenkins
- ArgoCD
- SonarQube
- AWS or Azure
Application Requirement
- Submitted CVs must be provided in Europass format
- EU citizenship and work from within the EU required
What We Offer
- Long-term B2B cooperation
- Project duration of up to 48 months
- Competitive rate of 450–500 EUR/MD
- Primarily remote work from within the European Union
- One or two physical meetings with the customer per 12-month period, maximum 2 days each, at contractor’s cost
- Opportunity to work on cutting-edge Digital Identity, Blockchain, and Web3 initiatives
- International and multicultural working environment
- Collaboration with highly skilled professionals from across Europe
Similar jobs you might like
Technology
EPAM Systems
Senior Full Stack Engineer (Python + React + SQL)
Senior
Remote
Lodz, Poland
🏢 Summary: Senior Full Stack Engineer role focused on building and maintaining scalable end-to-end web applications in the financial industry using modern frontend and backend technologies. The position involves full-stack development, database optimization, API integration, AI-assisted coding tools, and collaboration with cross-functional and DevOps teams. The offer includes flexible remote work, professional development programs, certifications, and comprehensive benefits. 🗂️ Requirements: Bachelor's or Master's degree in Computer Science, Software Engineering or related field, 5+ years of experience as a Full Stack Engineer, Proficiency in React, Proficiency in JavaScript, Proficiency in Python, Experience with FastAPI, Flask or Django, Knowledge of SQL Server, Snowflake and PostgreSQL, Understanding of RESTful API design principles, Experience building and consuming APIs, Proficiency in Git, Strong knowledge of data structures and algorithms, Ability to troubleshoot and debug backend systems, Experience working in collaborative development environments, Communication and teamwork skills 📃 Skills: React, JavaScript, Python, FastAPI, Flask, Django, SQL, SQLServer, Snowflake, PostgreSQL, REST, Git, Cursor, Claude, Codex, MongoDB, Redis, AWS, Azure, GCP, Docker, Kubernetes 🏢 Description: We are seeking a skilled and versatile Senior Full Stack Engineer to join our dynamic development team, combining strong programming and data management expertise with familiarity with financial instruments. You will design, develop and maintain end-to-end software applications and systems, from frontend to backend, leveraging a modern technology stack to build scalable and high-quality solutions within the financial industry domain. Responsibilities Design, implement and optimize responsive, user-friendly web interfaces using the latest UI/UX technologies Develop and maintain server-side components of software applications Monitor and optimize performance, scalability and reliability of backend systems Collaborate with cross-functional teams including data engineers, product managers and designers to ensure seamless integration of frontend and backend components Write clean, efficient and well-documented code following best practices and coding standards Use AI coding agents such as Cursor, Claude Code and Codex Build and optimize database structures and queries for efficient data storage and retrieval Perform thorough testing and debugging to identify and resolve issues or bottlenecks Stay updated with industry trends and propose improvements to backend architecture and development processes Participate in code reviews to maintain code quality and mentor junior developers Partner with DevOps engineers to deploy and maintain applications in production environments Provide technical guidance and support to team members as needed Requirements Bachelor's or Master's degree in Computer Science, Software Engineering or a related field 5+ years of experience as a Full Stack Engineer developing scalable web applications, with strong proficiency in computer science fundamentals such as data structures and algorithms Proficiency in React, JavaScript and Python Experience with FastAPI, Flask or Django Knowledge of relational databases such as SQL Server, Snowflake and PostgreSQL Background in the Financial Industry or curiosity to learn and engage in Private Equity/Credit business domains Understanding of RESTful API design principles and experience building and consuming APIs Proficiency in Git and collaborative development workflows Strong problem-solving skills and ability to troubleshoot and debug complex backend issues Excellent communication and collaboration skills with the ability to work effectively in a team environment Nice to have Familiarity with NoSQL databases like MongoDB or Redis Knowledge of Accounting or Advent Geneva Understanding of Data Engineering tools and platforms such as data pipelines and data lakes Experience with cloud platforms like AWS, Azure or Google Cloud Platform and containerization technologies like Docker or Kubernetes Experience in bank loans/leveraged loans, fixed-income products, CLOs, derivatives, ABS and CMBS products We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Senior Full Stack Engineer (Python + React + SQL)
Senior
Remote
Poznan, Poland
🏢 Summary: Senior Full Stack Engineer role focused on building scalable end-to-end web applications for the financial industry using modern frontend, backend and database technologies. The position involves developing responsive interfaces, backend systems, APIs and database solutions while collaborating with cross-functional teams and DevOps. The offer includes remote work flexibility, professional development programs, certifications and comprehensive benefits. 🗂️ Requirements: Bachelor's or Master's degree in Computer Science, Software Engineering or related field, 5+ years of experience as a Full Stack Engineer, Strong knowledge of data structures and algorithms, Proficiency in React, Proficiency in JavaScript, Proficiency in Python, Experience with FastAPI, Flask or Django, Experience with SQL Server, Snowflake or PostgreSQL, Understanding of RESTful API design, Experience building and consuming APIs, Proficiency in Git, Ability to troubleshoot and debug backend systems, Strong communication and collaboration skills 📃 Skills: React, JavaScript, Python, FastAPI, Flask, Django, SQL, SQLServer, Snowflake, PostgreSQL, REST, Git, MongoDB, Redis, AWS, Azure, GCP, Docker, Kubernetes, Cursor, Claude, Codex 🏢 Description: We are seeking a skilled and versatile Senior Full Stack Engineer to join our dynamic development team, combining strong programming and data management expertise with familiarity with financial instruments. You will design, develop and maintain end-to-end software applications and systems, from frontend to backend, leveraging a modern technology stack to build scalable and high-quality solutions within the financial industry domain. Responsibilities Design, implement and optimize responsive, user-friendly web interfaces using the latest UI/UX technologies Develop and maintain server-side components of software applications Monitor and optimize performance, scalability and reliability of backend systems Collaborate with cross-functional teams including data engineers, product managers and designers to ensure seamless integration of frontend and backend components Write clean, efficient and well-documented code following best practices and coding standards Use AI coding agents such as Cursor, Claude Code and Codex Build and optimize database structures and queries for efficient data storage and retrieval Perform thorough testing and debugging to identify and resolve issues or bottlenecks Stay updated with industry trends and propose improvements to backend architecture and development processes Participate in code reviews to maintain code quality and mentor junior developers Partner with DevOps engineers to deploy and maintain applications in production environments Provide technical guidance and support to team members as needed Requirements Bachelor's or Master's degree in Computer Science, Software Engineering or a related field 5+ years of experience as a Full Stack Engineer developing scalable web applications, with strong proficiency in computer science fundamentals such as data structures and algorithms Proficiency in React, JavaScript and Python Experience with FastAPI, Flask or Django Knowledge of relational databases such as SQL Server, Snowflake and PostgreSQL Background in the Financial Industry or curiosity to learn and engage in Private Equity/Credit business domains Understanding of RESTful API design principles and experience building and consuming APIs Proficiency in Git and collaborative development workflows Strong problem-solving skills and ability to troubleshoot and debug complex backend issues Excellent communication and collaboration skills with the ability to work effectively in a team environment Nice to have Familiarity with NoSQL databases like MongoDB or Redis Knowledge of Accounting or Advent Geneva Understanding of Data Engineering tools and platforms such as data pipelines and data lakes Experience with cloud platforms like AWS, Azure or Google Cloud Platform and containerization technologies like Docker or Kubernetes Experience in bank loans/leveraged loans, fixed-income products, CLOs, derivatives, ABS and CMBS products We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Senior Full Stack Engineer (Python + React + SQL)
Senior
Remote
Wroclaw, Poland
🏢 Summary: Senior Full Stack Engineer role focused on building scalable financial industry applications using modern frontend and backend technologies. The position involves developing end-to-end web solutions, optimizing backend systems, working with databases and APIs, and collaborating with cross-functional teams. The offer includes remote work flexibility, professional development programs, certifications, and comprehensive benefits. 🗂️ Requirements: Bachelor's or Master's degree in Computer Science, Software Engineering or related field, 5+ years of experience as a Full Stack Engineer, Proficiency in React, Proficiency in JavaScript, Proficiency in Python, Experience with FastAPI, Flask or Django, Knowledge of SQL Server, Snowflake and PostgreSQL, Understanding of RESTful APIs, Proficiency in Git, Strong knowledge of data structures and algorithms, Experience developing scalable web applications, Ability to troubleshoot and debug backend systems 📃 Skills: React, JavaScript, Python, FastAPI, Flask, Django, SQL, SQLServer, Snowflake, PostgreSQL, REST, Git, MongoDB, Redis, AWS, Azure, GCP, Docker, Kubernetes, Cursor, Claude, Codex 🏢 Description: We are seeking a skilled and versatile Senior Full Stack Engineer to join our dynamic development team, combining strong programming and data management expertise with familiarity with financial instruments. You will design, develop and maintain end-to-end software applications and systems, from frontend to backend, leveraging a modern technology stack to build scalable and high-quality solutions within the financial industry domain. Responsibilities Design, implement and optimize responsive, user-friendly web interfaces using the latest UI/UX technologies Develop and maintain server-side components of software applications Monitor and optimize performance, scalability and reliability of backend systems Collaborate with cross-functional teams including data engineers, product managers and designers to ensure seamless integration of frontend and backend components Write clean, efficient and well-documented code following best practices and coding standards Use AI coding agents such as Cursor, Claude Code and Codex Build and optimize database structures and queries for efficient data storage and retrieval Perform thorough testing and debugging to identify and resolve issues or bottlenecks Stay updated with industry trends and propose improvements to backend architecture and development processes Participate in code reviews to maintain code quality and mentor junior developers Partner with DevOps engineers to deploy and maintain applications in production environments Provide technical guidance and support to team members as needed Requirements Bachelor's or Master's degree in Computer Science, Software Engineering or a related field 5+ years of experience as a Full Stack Engineer developing scalable web applications, with strong proficiency in computer science fundamentals such as data structures and algorithms Proficiency in React, JavaScript and Python Experience with FastAPI, Flask or Django Knowledge of relational databases such as SQL Server, Snowflake and PostgreSQL Background in the Financial Industry or curiosity to learn and engage in Private Equity/Credit business domains Understanding of RESTful API design principles and experience building and consuming APIs Proficiency in Git and collaborative development workflows Strong problem-solving skills and ability to troubleshoot and debug complex backend issues Excellent communication and collaboration skills with the ability to work effectively in a team environment Nice to have Familiarity with NoSQL databases like MongoDB or Redis Knowledge of Accounting or Advent Geneva Understanding of Data Engineering tools and platforms such as data pipelines and data lakes Experience with cloud platforms like AWS, Azure or Google Cloud Platform and containerization technologies like Docker or Kubernetes Experience in bank loans/leveraged loans, fixed-income products, CLOs, derivatives, ABS and CMBS products We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.
Technology
EPAM Systems
Senior Full Stack Engineer (Python + React + SQL)
Senior
Remote
Warsaw, Poland
🏢 Summary: Senior Full Stack Engineer role focused on building scalable end-to-end web applications for the financial industry using modern frontend, backend and database technologies. The position involves developing responsive interfaces, backend systems, APIs and database solutions while collaborating with cross-functional teams and DevOps. The offer includes remote work flexibility, professional development programs, certifications and comprehensive employee benefits. 🗂️ Requirements: Bachelor's or Master's degree in Computer Science, Software Engineering or related field, 5+ years of experience as a Full Stack Engineer, Strong proficiency in computer science fundamentals, data structures and algorithms, Proficiency in React, Proficiency in JavaScript, Proficiency in Python, Experience with FastAPI, Flask or Django, Knowledge of SQL Server, Snowflake and PostgreSQL, Understanding of RESTful API design principles, Experience building and consuming APIs, Proficiency in Git, Ability to troubleshoot and debug complex backend issues, Strong communication and collaboration skills 📃 Skills: React, JavaScript, Python, FastAPI, Flask, Django, SQL, SQLServer, Snowflake, PostgreSQL, REST, Git, MongoDB, Redis, AWS, Azure, GCP, Docker, Kubernetes, Cursor, Claude, Codex 🏢 Description: We are seeking a skilled and versatile Senior Full Stack Engineer to join our dynamic development team, combining strong programming and data management expertise with familiarity with financial instruments. You will design, develop and maintain end-to-end software applications and systems, from frontend to backend, leveraging a modern technology stack to build scalable and high-quality solutions within the financial industry domain. Responsibilities Design, implement and optimize responsive, user-friendly web interfaces using the latest UI/UX technologies Develop and maintain server-side components of software applications Monitor and optimize performance, scalability and reliability of backend systems Collaborate with cross-functional teams including data engineers, product managers and designers to ensure seamless integration of frontend and backend components Write clean, efficient and well-documented code following best practices and coding standards Use AI coding agents such as Cursor, Claude Code and Codex Build and optimize database structures and queries for efficient data storage and retrieval Perform thorough testing and debugging to identify and resolve issues or bottlenecks Stay updated with industry trends and propose improvements to backend architecture and development processes Participate in code reviews to maintain code quality and mentor junior developers Partner with DevOps engineers to deploy and maintain applications in production environments Provide technical guidance and support to team members as needed Requirements Bachelor's or Master's degree in Computer Science, Software Engineering or a related field 5+ years of experience as a Full Stack Engineer developing scalable web applications, with strong proficiency in computer science fundamentals such as data structures and algorithms Proficiency in React, JavaScript and Python Experience with FastAPI, Flask or Django Knowledge of relational databases such as SQL Server, Snowflake and PostgreSQL Background in the Financial Industry or curiosity to learn and engage in Private Equity/Credit business domains Understanding of RESTful API design principles and experience building and consuming APIs Proficiency in Git and collaborative development workflows Strong problem-solving skills and ability to troubleshoot and debug complex backend issues Excellent communication and collaboration skills with the ability to work effectively in a team environment Nice to have Familiarity with NoSQL databases like MongoDB or Redis Knowledge of Accounting or Advent Geneva Understanding of Data Engineering tools and platforms such as data pipelines and data lakes Experience with cloud platforms like AWS, Azure or Google Cloud Platform and containerization technologies like Docker or Kubernetes Experience in bank loans/leveraged loans, fixed-income products, CLOs, derivatives, ABS and CMBS products We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Senior Full Stack Engineer (Python + React + SQL)
Senior
Remote
Krakow, Poland
🏢 Summary: Senior Full Stack Engineer role focused on building scalable end-to-end web applications for the financial industry using modern frontend and backend technologies. The position involves developing responsive interfaces, backend systems, APIs and databases while collaborating with cross-functional teams and DevOps engineers. The offer includes remote flexibility, career development programs, certifications and comprehensive employee benefits. 🗂️ Requirements: Bachelor's or Master's degree in Computer Science, Software Engineering or related field, 5+ years of experience as a Full Stack Engineer, Strong knowledge of data structures and algorithms, Proficiency in React, Proficiency in JavaScript, Proficiency in Python, Experience with FastAPI, Flask or Django, Knowledge of SQL Server, Snowflake and PostgreSQL, Understanding of RESTful APIs, Proficiency in Git, Experience developing scalable web applications, Ability to troubleshoot and debug backend systems, Strong collaboration and communication skills 📃 Skills: React, JavaScript, Python, FastAPI, Flask, Django, SQL, SQLServer, Snowflake, PostgreSQL, REST, Git, MongoDB, Redis, AWS, Azure, GCP, Docker, Kubernetes, Cursor, Claude, Codex 🏢 Description: We are seeking a skilled and versatile Senior Full Stack Engineer to join our dynamic development team, combining strong programming and data management expertise with familiarity with financial instruments. You will design, develop and maintain end-to-end software applications and systems, from frontend to backend, leveraging a modern technology stack to build scalable and high-quality solutions within the financial industry domain. Responsibilities Design, implement and optimize responsive, user-friendly web interfaces using the latest UI/UX technologies Develop and maintain server-side components of software applications Monitor and optimize performance, scalability and reliability of backend systems Collaborate with cross-functional teams including data engineers, product managers and designers to ensure seamless integration of frontend and backend components Write clean, efficient and well-documented code following best practices and coding standards Use AI coding agents such as Cursor, Claude Code and Codex Build and optimize database structures and queries for efficient data storage and retrieval Perform thorough testing and debugging to identify and resolve issues or bottlenecks Stay updated with industry trends and propose improvements to backend architecture and development processes Participate in code reviews to maintain code quality and mentor junior developers Partner with DevOps engineers to deploy and maintain applications in production environments Provide technical guidance and support to team members as needed Requirements Bachelor's or Master's degree in Computer Science, Software Engineering or a related field 5+ years of experience as a Full Stack Engineer developing scalable web applications, with strong proficiency in computer science fundamentals such as data structures and algorithms Proficiency in React, JavaScript and Python Experience with FastAPI, Flask or Django Knowledge of relational databases such as SQL Server, Snowflake and PostgreSQL Background in the Financial Industry or curiosity to learn and engage in Private Equity/Credit business domains Understanding of RESTful API design principles and experience building and consuming APIs Proficiency in Git and collaborative development workflows Strong problem-solving skills and ability to troubleshoot and debug complex backend issues Excellent communication and collaboration skills with the ability to work effectively in a team environment Nice to have Familiarity with NoSQL databases like MongoDB or Redis Knowledge of Accounting or Advent Geneva Understanding of Data Engineering tools and platforms such as data pipelines and data lakes Experience with cloud platforms like AWS, Azure or Google Cloud Platform and containerization technologies like Docker or Kubernetes Experience in bank loans/leveraged loans, fixed-income products, CLOs, derivatives, ABS and CMBS products We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Senior Full Stack Engineer (Python + React + SQL)
Senior
Remote
Katowice, Poland
🏢 Summary: Senior Full Stack Engineer role focused on building scalable end-to-end web applications for the financial industry using modern frontend, backend and database technologies. The position involves developing responsive interfaces, backend services, APIs and database solutions while collaborating with cross-functional teams and DevOps. Candidates will work with AI coding tools and contribute to architecture, testing, performance optimization and production deployments. 🗂️ Requirements: Bachelor's or Master's degree in Computer Science, Software Engineering or related field, 5+ years of Full Stack Engineering experience, Experience developing scalable web applications, Proficiency in React, Proficiency in JavaScript, Proficiency in Python, Experience with FastAPI, Flask or Django, Knowledge of SQL Server, Snowflake or PostgreSQL, Understanding of RESTful APIs, Proficiency with Git, Strong knowledge of data structures and algorithms, Ability to troubleshoot and debug backend systems, Strong collaboration and communication skills 📃 Skills: React, JavaScript, Python, FastAPI, Flask, Django, SQL, SQLServer, Snowflake, PostgreSQL, REST, Git, MongoDB, Redis, AWS, Azure, GCP, Docker, Kubernetes, Cursor, Claude, Codex 🏢 Description: We are seeking a skilled and versatile Senior Full Stack Engineer to join our dynamic development team, combining strong programming and data management expertise with familiarity with financial instruments. You will design, develop and maintain end-to-end software applications and systems, from frontend to backend, leveraging a modern technology stack to build scalable and high-quality solutions within the financial industry domain. Responsibilities Design, implement and optimize responsive, user-friendly web interfaces using the latest UI/UX technologies Develop and maintain server-side components of software applications Monitor and optimize performance, scalability and reliability of backend systems Collaborate with cross-functional teams including data engineers, product managers and designers to ensure seamless integration of frontend and backend components Write clean, efficient and well-documented code following best practices and coding standards Use AI coding agents such as Cursor, Claude Code and Codex Build and optimize database structures and queries for efficient data storage and retrieval Perform thorough testing and debugging to identify and resolve issues or bottlenecks Stay updated with industry trends and propose improvements to backend architecture and development processes Participate in code reviews to maintain code quality and mentor junior developers Partner with DevOps engineers to deploy and maintain applications in production environments Provide technical guidance and support to team members as needed Requirements Bachelor's or Master's degree in Computer Science, Software Engineering or a related field 5+ years of experience as a Full Stack Engineer developing scalable web applications, with strong proficiency in computer science fundamentals such as data structures and algorithms Proficiency in React, JavaScript and Python Experience with FastAPI, Flask or Django Knowledge of relational databases such as SQL Server, Snowflake and PostgreSQL Background in the Financial Industry or curiosity to learn and engage in Private Equity/Credit business domains Understanding of RESTful API design principles and experience building and consuming APIs Proficiency in Git and collaborative development workflows Strong problem-solving skills and ability to troubleshoot and debug complex backend issues Excellent communication and collaboration skills with the ability to work effectively in a team environment Nice to have Familiarity with NoSQL databases like MongoDB or Redis Knowledge of Accounting or Advent Geneva Understanding of Data Engineering tools and platforms such as data pipelines and data lakes Experience with cloud platforms like AWS, Azure or Google Cloud Platform and containerization technologies like Docker or Kubernetes Experience in bank loans/leveraged loans, fixed-income products, CLOs, derivatives, ABS and CMBS products We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Senior Full Stack Engineer (Python + React + SQL)
Senior
Remote
Gdansk, Poland
🏢 Summary: Senior Full Stack Engineer role focused on building scalable end-to-end web applications for the financial industry using modern frontend, backend and database technologies. The position involves developing responsive interfaces, optimizing backend systems, integrating APIs and collaborating with cross-functional teams in a production environment. Candidates will work with AI coding tools and contribute to architecture, code quality and cloud-based deployments. 🗂️ Requirements: Bachelor's or Master's degree in Computer Science, Software Engineering or related field, 5+ years of experience as a Full Stack Engineer, Strong proficiency in data structures and algorithms, Proficiency in React, Proficiency in JavaScript, Proficiency in Python, Experience with FastAPI, Flask or Django, Knowledge of SQL Server, Snowflake and PostgreSQL, Understanding of RESTful APIs, Proficiency with Git, Ability to troubleshoot and debug backend systems, Experience developing scalable web applications 📃 Skills: React, JavaScript, Python, FastAPI, Flask, Django, SQL, SQLServer, Snowflake, PostgreSQL, REST, Git, MongoDB, Redis, AWS, Azure, GCP, Docker, Kubernetes, Cursor, Claude, Codex 🏢 Description: We are seeking a skilled and versatile Senior Full Stack Engineer to join our dynamic development team, combining strong programming and data management expertise with familiarity with financial instruments. You will design, develop and maintain end-to-end software applications and systems, from frontend to backend, leveraging a modern technology stack to build scalable and high-quality solutions within the financial industry domain. Responsibilities Design, implement and optimize responsive, user-friendly web interfaces using the latest UI/UX technologies Develop and maintain server-side components of software applications Monitor and optimize performance, scalability and reliability of backend systems Collaborate with cross-functional teams including data engineers, product managers and designers to ensure seamless integration of frontend and backend components Write clean, efficient and well-documented code following best practices and coding standards Use AI coding agents such as Cursor, Claude Code and Codex Build and optimize database structures and queries for efficient data storage and retrieval Perform thorough testing and debugging to identify and resolve issues or bottlenecks Stay updated with industry trends and propose improvements to backend architecture and development processes Participate in code reviews to maintain code quality and mentor junior developers Partner with DevOps engineers to deploy and maintain applications in production environments Provide technical guidance and support to team members as needed Requirements Bachelor's or Master's degree in Computer Science, Software Engineering or a related field 5+ years of experience as a Full Stack Engineer developing scalable web applications, with strong proficiency in computer science fundamentals such as data structures and algorithms Proficiency in React, JavaScript and Python Experience with FastAPI, Flask or Django Knowledge of relational databases such as SQL Server, Snowflake and PostgreSQL Background in the Financial Industry or curiosity to learn and engage in Private Equity/Credit business domains Understanding of RESTful API design principles and experience building and consuming APIs Proficiency in Git and collaborative development workflows Strong problem-solving skills and ability to troubleshoot and debug complex backend issues Excellent communication and collaboration skills with the ability to work effectively in a team environment Nice to have Familiarity with NoSQL databases like MongoDB or Redis Knowledge of Accounting or Advent Geneva Understanding of Data Engineering tools and platforms such as data pipelines and data lakes Experience with cloud platforms like AWS, Azure or Google Cloud Platform and containerization technologies like Docker or Kubernetes Experience in bank loans/leveraged loans, fixed-income products, CLOs, derivatives, ABS and CMBS products We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
Link Group
Senior Fullstack Engineer - Node, React, Typescript
Senior
Remote
Warsaw, Poland
25,000 - 37,000 PLN
🏢 Summary: Senior Full Stack Engineer role focused on building scalable web applications, solving complex technical challenges, and contributing to architecture decisions in a modern product environment. The position involves full-stack development across frontend, backend, and cloud systems using modern technologies. The offer includes remote work, flexible hours, modern equipment, and growth opportunities in a collaborative team. 🗂️ Requirements: 5+ years of Full Stack Software Engineering experience, Strong algorithmic thinking, Knowledge of data structures, Understanding of software design principles, Performance optimization skills, Experience with TypeScript, Experience with React, Experience with Node.js, Experience with SQL databases, Experience across frontend, backend, and cloud environments, Ability to learn new technologies quickly, Fluent English, Strong communication skills 📃 Skills: TypeScript, React, Node.js, SQL, JavaScript, Cloud 🏢 Description: Senior Full Stack Engineer We are looking for a Senior Full Stack Engineer with strong software engineering fundamentals and excellent algorithmic and problem-solving skills . You'll play a key role in designing scalable applications, solving complex technical challenges and driving architectural decisions in a modern product environment. Responsibilities Design, develop and maintain high-performance web applications. Translate complex business requirements into efficient technical solutions. Build scalable frontend and backend services using modern technologies. Contribute to system architecture, code quality and technical improvements. Collaborate with cross-functional teams and take ownership of features from design to deployment. Requirements 5+ years of experience in Full Stack Software Engineering. Strong algorithmic thinking and solid understanding of data structures, software design principles and performance optimization. Experience with TypeScript, React, Node.js and SQL databases. Ability to quickly learn new technologies and solve complex technical problems. Experience working across frontend, backend and cloud environments. Excellent communication skills and fluent English. What We Offer Remote work model with flexible working hours. Opportunity to work with modern technologies and influence technical decisions. High-quality equipment provided. Fast-paced environment with multiple innovative projects and excellent growth opportunities. Collaborative team where ownership, initiative and continuous learning are highly valued.
Technology
DCV Technologies
Senior Full Stack Engineer (Java / Python)- Hybrid Wroclaw
Senior
Hybrid
Wroclaw, Poland
🏢 Summary: Contract Senior Full Stack Engineer role focused on designing and developing scalable Java and Python backend services within a microservices architecture. The position involves building REST APIs, integrations, and automation solutions while contributing to data processing and cloud-based platforms. The role also includes technical leadership and ensuring high-quality architecture and coding standards. 🗂️ Requirements: 6+ years software engineering experience, Strong Java backend development experience, Strong Python backend development experience, Hands-on microservices development, Experience building REST APIs, Experience with Spring Boot, Experience with cloud-based services, Experience designing scalable application architectures, Experience with system integrations and automation, Ability to conduct code reviews and ensure code quality standards 📃 Skills: Java, Python, SpringBoot, Microservices, REST, APIs, Cloud, Automation, Architecture, Integration 🏢 Description: We are looking for an experienced Senior Full Stack Engineer to design and develop scalable backend services and APIs while contributing to modern microservices-based architectures. The role involves building Java and Python-based services , supporting data processing capabilities, and ensuring high-quality application development aligned with architectural standards. The candidate will also provide technical leadership , guide development teams, and ensure adherence to coding and integration standards. Send CV to (marcillina.tietjen@dcvtechnologies.co.uk) 📍 Location: Poland 💼 Experience: Senior Level (6+ years) 📄 Position Type: Contract / B2B Key Responsibilities Design and develop scalable backend services and APIs Build Java and Python-based microservices Develop integrations and automation solutions Contribute to data processing and backend platform capabilities Ensure solutions align with application architecture and platform standards Participate in system design, code reviews, and quality assurance Provide technical leadership and mentorship to developers Collaborate with cross-functional teams to deliver reliable backend systems Ensure adherence to coding standards and best practices Required Skills Backend Development Java Spring Boot Microservices architecture REST API development Full Stack / Integration Python development API development and integrations Automation scripting Cloud services Architecture & Engineering Application architecture Integration patterns Microservices design Code quality and peer reviews Experience Required 6+ years of software engineering experience Strong experience developing Java and Python backend services Hands-on experience building microservices and REST APIs Experience designing scalable application architectures Experience working with cloud-based services and integrations Experience mentoring developers and contributing to technical leadership Ideal Candidate Strong backend engineering background Experience building scalable microservices systems Ability to lead development standards and architecture decisions Comfortable working in **collaborative
Technology
esurance
Senior Full-Stack Engineer (ASP.NET / React)
Senior
Remote
Krakow, Poland
62,000 - 80,000 EUR
🏢 Summary: Senior Full-Stack Engineer role with a 50/50 backend and frontend focus, building scalable microservices-based applications using ASP.NET (C#) and React with TypeScript in a cloud-native environment. The position involves designing and maintaining REST APIs, developing responsive user interfaces, ensuring high test coverage, and contributing to architectural decisions with strong technical ownership. Poland-based employment (Umowa o Pracę) with remote flexibility and quarterly in-person collaboration. 🗂️ Requirements: MSc+ in Computer Science or equivalent, Minimum 5 years experience with ASP.NET and C#, Minimum 5 years experience building REST APIs, Minimum 5 years experience with React, Experience with TypeScript, Strong knowledge of microservices architecture, Knowledge of cloud design patterns, Experience with unit, integration, and end-to-end testing, High level of technical ownership, Fluent English (minimum B2), Poland residency 📃 Skills: ASP.NET, C#, REST, React, TypeScript, Microservices, AWS, Agile, DDD, UnitTesting, IntegrationTesting, E2ETesting, Cloud 🏢 Description: We’re looking for a Senior Full-Stack Engineer who brings deep technical expertise and a collaborative mindset to our product development team. You will work with a modern microservices architecture, building scalable backend services using the ASP.NET Web API with C#, and intuitive frontend interfaces using mainly React and TypeScript. This is a hands-on engineering role with a 50/50 front-/backend focus, ideal for someone who likes to take ownership, thrives in a dynamic product team, and enjoys mentoring others. This role could easily become a Tech Lead role in a foreseeable future. If you're passionate about designing high-impact software in a cloud-native environment, we’d love to hear from you. This Poland-based role offers remote flexibility, but we value in-person collaboration. Our team meets in Poland for at least one week each quarter, so we request all applicants to be located in Poland. This is not a globally remote role. Poland residency is required. The contract form is Umowa o Pracę (only, no B2B). What you will be responsible for Collaborate proactively in refinement sessions with product and tech teams to ensure clarity and feasibility of features. Design, implement, and maintain scalable web APIs using ASP.NET and microservices architecture principles. Develop responsive user interfaces with React and TypeScript that enhance usability and performance. Work closely with Product Owners to clarify feature requirements and ensure business context is well-understood. Define, design and align feature architecture with the Head of Engineering to ensure consistency and scalability. Ensure features meet Definition of Done, with state-of-the-art unit, integration, and end-to-end test coverage. Support incident response and production issue resolution as per team standards. Actively contribute to team knowledge sharing and coach colleagues in technical best practices. What makes you a match Essential Qualifications: MSc+ in Computer Science or equivalent 5 years of proven experience in building secure REST APIs using ASP.NET , as well as developing solid front-end applications with React are non-negotiable must haves. Comprehensive knowledge of contemporary web application architectures, with a focus on microservices and cloud design patterns. Demonstrated ability of high technical Ownership and Tech Leadership are a requirement for this role. Bonus Skills: Hands-on experience with AWS infrastructure. Experience working in cross-functional product teams using Agile practices and following Domain-Driven Design (DDD). Collaboration and Interpersonal Skills: Clear and adaptive communication with both technical and non-technical stakeholders. Strong sense of ownership, accountability, and proactive problem-solving. Languages: English: B2 - (No certificate required, but Fluency) German, Polish, Ukrainian: desired, not required What you can expect A dynamic, ambitious team where your voice is heard, and your contributions truly matter. You’ll have real ownership over your decisions in a trusted, cross-functional environment within a Swiss product company that puts people first. We offer fair compensation, flexible working hours, a hybrid work setup, and a culture that supports both personal and professional growth, fostering a healthy work-life balance. Employer of Record: For this role, we offer employment through our trusted Employer of Record provider Remote.com , ensuring full legal compliance and a seamless experience for our team members in Poland. ID Verification: To maintain a fair and secure hiring process, candidates may be asked to verify their identity their identity before speaking with our Recruiter. This step helps us prevent fraud and focus our resources on genuine applicants. About us Who we are esurance is a Swiss InsurTech offering a SaaS platform that connects SMEs, insurance providers, brokers, and business application providers. Founded in 2013, we're on a mission to make health insurance for small businesses truly hassle-free. What makes us unique You'll be part of a connected, forward-thinking team built on trust, openness, and mutual respect — working hybrid from Zürich or remotely across Europe. We invest in your growth through agile practices, real ownership, and a transparent Grading System that ensures fair pay and clear career paths. Our core values We are connected. We are ahead. We are clear. We are approachable. Do these resonate with you? → Come join us. Our Recruitment Process & Principles We keep our process transparent and respect your time: Application Review — You hear from us within 5 business days. Always. Recruiter Screen — A relaxed Get2Know call to explore mutual fit. Four Interviews — Two Role Knowledge interviews (peer + supervisor), one Culture Match, one Leadership conversation. Batched into two days wherever possible. Hiring Decision — Thoughtful, timely. You'll know within 1–2 weeks. Use of Artificial Intelligence (AI) We use AI to increase productivity and you're welcome to use it to polish your CV or Coverletter. Interviews and assessments should reflect your genuine self, though. Recruiting Agencies: We don't work with unsolicited agency submissions. Thanks for respecting this.