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July 10, 2026

Senior Full Stack Engineer (Python + React + SQL)

Senior • Remote

Warsaw, Poland

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

  • 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
  • Outstanding career roadmap
  • Leadership development, career advising, soft skills, and well-being programs
  • Certification opportunities for GCP, Azure and AWS
  • Unlimited access to LinkedIn Learning, Get Abstract and Cloud Guru
  • English classes
  • Stable income (Employment Contract or B2B)
  • Participation in the Employee Stock Purchase Plan
  • Benefits package including health insurance, multisport and shopping vouchers
  • Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
  • Referral bonuses
  • Corporate, social and well-being events

Please note: The set of bonuses might vary based on the role applied for and specifics will be discussed during the interview process. We will reach out to selected candidates exclusively.

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Remote

Gdansk, Poland

🏢 Summary: Senior Full-stack Engineer role focused on modernizing data ingestion pipelines, developing Python/FastAPI backend services, and improving operational reporting and monitoring systems. The position involves working with PostgreSQL and Snowflake to support scalable data processing, financial calculations, and platform reliability in collaboration with the Infrastructure team. Remote work flexibility, professional development opportunities, and comprehensive benefits are included. 🗂️ Requirements: 5+ years of software development experience, Python proficiency, FastAPI expertise, PostgreSQL experience, Snowflake familiarity, Understanding of data accuracy and reliability principles, English proficiency at B2 level or higher 📃 Skills: Python, FastAPI, PostgreSQL, Snowflake, REST, Dagster, Kestra, dbt, React, AGGrid 🏢 Description: We are seeking a Senior Full-stack Engineer to strengthen the operational foundation of the fund by expanding the application and deepening the insights available to the Infrastructure team. Responsibilities - Enhance and modernize data ingestion pipelines to support scalable data processing - Develop and maintain high-performance REST APIs and backend services using Python and FastAPI - Enrich executive-level dashboards and reporting capabilities to support decision-making - Improve monitoring and audit workflows to ensure data accuracy, reliability and transparency - Maintain operational data storage, application metadata and audit logs within PostgreSQL - Support ingestion, financial calculations and historical reporting within Snowflake - Orchestrate business logic and service processing to strengthen platform reliability - Collaborate with the Infrastructure team to align technical solutions with fund operations Requirements - 5+ years of experience in software development - Proficiency in Python for business logic, service orchestration and data processing - Expertise in FastAPI for building high-performance REST APIs and integration endpoints - Skills in PostgreSQL for operational data storage, metadata management and workflow state tracking - Familiarity with Snowflake for enterprise data warehousing and analytical workloads - Understanding of data accuracy, reliability and transparency principles across platforms - English proficiency at B2 level or higher Nice to have - Knowledge of Dagster and Kestra for pipeline orchestration, scheduling and workflow automation - Familiarity with dbt for modeling, transforming and validating datasets - Background in React.js for building responsive user interfaces - Skills in AG Grid for data-intensive table interactions in monitoring and approval workflows We offer - 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 - Outstanding career roadmap - Leadership development, career advising, soft skills, and well-being programs - Certification opportunities (GCP, Azure, AWS) - Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru - English classes - Stable income (Employment Contract or B2B) - Participation in the Employee Stock Purchase Plan - Benefits package including health insurance, multisport, and shopping vouchers - Offices with entertainment and relaxation zones, free snacks, and coffee - Referral bonuses - Corporate, social and well-being events Please note: The set of bonuses might vary based on the role.

Technology

New offer

EPAM Systems

Senior Full-stack Engineer (Python, React, AWS)

Senior

Remote

Wroclaw, Poland

🏢 Summary: Senior Full-stack Engineer role focused on modernizing data ingestion pipelines, developing high-performance backend services with Python and FastAPI, and improving operational reporting and monitoring systems. The position involves working with PostgreSQL and Snowflake to support scalable data processing, financial calculations, and platform reliability in collaboration with the Infrastructure team. 🗂️ Requirements: 5+ years of software development experience, Python proficiency, FastAPI expertise, PostgreSQL experience, Snowflake familiarity, Understanding of data accuracy and reliability principles, English level B2 or higher 📃 Skills: Python, FastAPI, PostgreSQL, Snowflake, REST, Dagster, Kestra, dbt, React, AGGrid 🏢 Description: We are seeking a Senior Full-stack Engineer to strengthen the operational foundation of the fund by expanding the application and deepening the insights available to the Infrastructure team. Responsibilities - Enhance and modernize data ingestion pipelines to support scalable data processing - Develop and maintain high-performance REST APIs and backend services using Python and FastAPI - Enrich executive-level dashboards and reporting capabilities to support decision-making - Improve monitoring and audit workflows to ensure data accuracy, reliability and transparency - Maintain operational data storage, application metadata and audit logs within PostgreSQL - Support ingestion, financial calculations and historical reporting within Snowflake - Orchestrate business logic and service processing to strengthen platform reliability - Collaborate with the Infrastructure team to align technical solutions with fund operations Requirements - 5+ years of experience in software development - Proficiency in Python for business logic, service orchestration and data processing - Expertise in FastAPI for building high-performance REST APIs and integration endpoints - Skills in PostgreSQL for operational data storage, metadata management and workflow state tracking - Familiarity with Snowflake for enterprise data warehousing and analytical workloads - Understanding of data accuracy, reliability and transparency principles across platforms - English proficiency at B2 level or higher Nice to have - Knowledge of Dagster and Kestra for pipeline orchestration, scheduling and workflow automation - Familiarity with dbt for modeling, transforming and validating datasets - Background in React.js for building responsive user interfaces - Skills in AG Grid for data-intensive table interactions in monitoring and approval workflows We offer - 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 - Outstanding career roadmap - Leadership development, career advising, soft skills, and well-being programs - Certification opportunities (GCP, Azure, AWS) - Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru - English classes - Stable income (Employment Contract or B2B) - Participation in the Employee Stock Purchase Plan - Benefits package including health insurance, multisport, and shopping vouchers - Offices with entertainment and relaxation zones, free snacks, and coffee - Referral bonuses - Corporate, social and well-being events Please note: The set of bonuses might vary based on the role applied for. Only selected candidates will be contacted.

Technology

New offer

EPAM Systems

Senior Full-stack Engineer (Python, React, AWS)

Senior

Remote

Poznan, Poland

🏢 Summary: Senior Full-stack Engineer role focused on building and modernizing scalable data processing platforms, REST APIs, and operational reporting systems for fund infrastructure. The position involves backend development with Python, FastAPI, PostgreSQL, and Snowflake, while improving monitoring, audit workflows, and platform reliability. Candidates will collaborate closely with infrastructure teams and contribute to data-driven operational solutions. 🗂️ Requirements: 5+ years of software development experience, Python proficiency, FastAPI expertise, PostgreSQL experience, Snowflake familiarity, Understanding of data accuracy and reliability principles, English level B2 or higher 📃 Skills: Python, FastAPI, PostgreSQL, Snowflake, REST, Dagster, Kestra, dbt, React, AGGrid 🏢 Description: We are seeking a Senior Full-stack Engineer to strengthen the operational foundation of the fund by expanding the application and deepening the insights available to the Infrastructure team. Responsibilities - Enhance and modernize data ingestion pipelines to support scalable data processing - Develop and maintain high-performance REST APIs and backend services using Python and FastAPI - Enrich executive-level dashboards and reporting capabilities to support decision-making - Improve monitoring and audit workflows to ensure data accuracy, reliability and transparency - Maintain operational data storage, application metadata and audit logs within PostgreSQL - Support ingestion, financial calculations and historical reporting within Snowflake - Orchestrate business logic and service processing to strengthen platform reliability - Collaborate with the Infrastructure team to align technical solutions with fund operations Requirements - 5+ years of experience in software development - Proficiency in Python for business logic, service orchestration and data processing - Expertise in FastAPI for building high-performance REST APIs and integration endpoints - Skills in PostgreSQL for operational data storage, metadata management and workflow state tracking - Familiarity with Snowflake for enterprise data warehousing and analytical workloads - Understanding of data accuracy, reliability and transparency principles across platforms - English proficiency at B2 level or higher Nice to have - Knowledge of Dagster and Kestra for pipeline orchestration, scheduling and workflow automation - Familiarity with dbt for modeling, transforming and validating datasets - Background in React.js for building responsive user interfaces - Skills in AG Grid for data-intensive table interactions in monitoring and approval workflows We offer - 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 - Outstanding career roadmap - Leadership development, career advising, soft skills, and well-being programs - Certification opportunities (GCP, Azure, AWS) - Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru - English classes - Stable income (Employment Contract or B2B) - Participation in the Employee Stock Purchase Plan - Benefits package including health insurance, multisport and shopping vouchers - Strategically located offices with entertainment and relaxation zones, free snacks and coffee - Referral bonuses - Corporate, social and well-being events Please note: The set of bonuses might vary based on the role.