Senior Cybersecurity Fullstack Python Engineer | Banking

🏢 Summary: Senior Full Stack Python Engineer role focused on building scalable, secure microservices and REST APIs within the cybersecurity domain for a global financial institution. The position involves developing and deploying containerized solutions, integrating security tools, and contributing to DevSecOps-driven processes in a hybrid work model. You will design resilient software that protects digital banking systems used by millions of customers. 🗂️ Requirements: 6+ years of full-stack Python development experience, Experience with FastAPI, Flask, or Django, Strong knowledge of microservices architecture, Understanding of CQRS, SAGA, event sourcing, Experience with Docker and Kubernetes, Advanced SQL skills, Experience with BigQuery or RedShift, Linux administration skills, Knowledge of TCP/IP, DNS, firewalls, Proficiency with Git and GitFlow, Frontend experience with HTML, CSS, JavaScript, Experience with automated testing frameworks, Understanding of Agile and DevSecOps practices, Fluent English, Legal right to work in the EU 📃 Skills: Python, FastAPI, Flask, Django, REST, Microservices, CQRS, SAGA, Docker, Kubernetes, SQL, BigQuery, RedShift, Linux, TCP/IP, DNS, Git, GitFlow, HTML, CSS, JavaScript, Jira, Confluence 🏢 Description: Unleash cybersecurity innovation — develop resilient solutions at the forefront of digital defense. Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Full Stack Python Engineer , you will be working for our client, a global leader in financial services, within the cybersecurity domain. You will help design and build scalable, secure software solutions that safeguard the bank’s digital assets, enabling millions of customers worldwide to bank confidently and securely. Join a dynamic team driving technological excellence and continuous innovation in cybersecurity. Your main responsibilities: Develop and deploy REST API services and microservices using Python frameworks such as FastAPI, Flask, or Django. Collaborate with cybersecurity experts to translate security requirements into scalable, automated software solutions. Integrate third-party vulnerability scanning tools and build in-house security testing capabilities. Support the deployment of services in containerized environments using Docker and Kubernetes, ensuring high availability and performance. Write automated test cases for unit, integration, and functional testing to maintain code quality. Conduct peer code reviews, support troubleshooting, and optimize existing services for operability and performance. Contribute to continuous improvement of development processes within an agile/DevSecOps environment. Document solutions and technical procedures in line with governance standards. You're ideal for this role if you have: Over 6 years of experience in full-stack Python development with frameworks like FastAPI, Flask, or Django. Strong understanding of microservice architecture, CQRS, SAGA, and event sourcing. Experience deploying services with Docker and Kubernetes. Advanced SQL skills, with ability to craft complex queries. Knowledge of cloud data warehouse platforms such as BigQuery or RedShift. Linux sysadmin skills and a solid grasp of networks and protocols like TCP/IP, DNS, firewalls. Proficiency with Git and branching strategies like GitFlow. Some frontend development experience using HTML, CSS, JavaScript. A test-driven mindset with experience in automated testing frameworks. Good understanding of agile methodologies and DevSecOps tools like Jira and Confluence. Excellent communication skills in English (fluent level). It is a strong plus if you have: Cybersecurity-related experience such as working with SAST, DAST, penetration testing, or threat detection. Experience in cloud platforms such as AWS, GCP, or Azure, including infrastructure as code with Terraform. Frontend frameworks like React. Database administration skills across relational and non-relational systems like MSSQL, Postgres, or MongoDB. Experience working with message queues like Kafka or RabbitMQ. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior Fullstack Engineer role focused on building and enhancing a .NET and React-based analytics platform within a financial institution, driving DevOps automation and data-driven transformation. The position involves designing scalable backend services, leading UI improvements, and optimizing CI/CD processes in a hybrid work model. You will contribute to architecture, deployment lifecycle, and high-performance web application development. 🗂️ Requirements: Minimum 7 years of experience in .NET application development, Strong proficiency in C# and Web API, Hands-on experience with React, Experience with CI/CD processes, Experience with DevOps activities, Strong SQL Server and T-SQL expertise, Knowledge of SDLC, Fluent English, Legal right to work in the EU 📃 Skills: .NET, C#, WebAPI, React, SQL, T-SQL, SQLServer, CI/CD, DevOps, SDLC, Docker, Kubernetes 🏢 Description: Unleash innovation at scale — shape the future of analytics and DevOps excellence! Krakow-based opportunity with a hybrid work model (2 days per week in the office). As a Senior Fullstack Engineer – .NET and React Analytics Platform , you will be working for our client, a leading financial institution committed to transforming DevOps practices worldwide through cutting-edge data and analytics products. You’ll contribute to developing critical insights that influence strategic decisions and drive technological evolution in a fast-paced environment. Join a team dedicated to pushing the boundaries of data-driven transformation and career growth! Your main responsibilities: Design and implement solutions following industry best practices and proven design patterns. Analyze requirements thoroughly to recommend improvements and ensure optimal architecture. Lead UI enhancements to boost user experience and application stability. Be actively involved in DevOps automation and enhancing the CI/CD lifecycle. Manage changes through the entire service management lifecycle, ensuring robust deployment processes. Participate in software architecture design and develop application prototypes for concept validation. Provide outstanding customer support by addressing issues promptly and effectively. Collaborate cross-functionally to deliver high-quality technical solutions. You're ideal for this role if you have: At least 7 years of professional experience in application development within the .NET ecosystem, including front-end skills (preferably React) and DevOps activities. Strong proficiency in C# and Web API development, with a focus on scalable, secure backend services. Hands-on experience with React for building dynamic, high-performance web applications. Solid SQL Server expertise, including advanced T-SQL scripting, query optimization, and performance tuning. Proven experience with continuous integration, continuous delivery processes. Familiarity with the Software Development Life Cycle (SDLC): requirements gathering, design, testing, deployment, and maintenance. Exceptional problem-solving skills, keen attention to detail, and ability to troubleshoot in high-pressure environments. It is a strong plus if you have: (optional) Certifications in cloud platforms or DevOps tools. Experience with containerization and orchestration (Docker, Kubernetes). Language Required for the role: Fluent English (both spoken and written). Eligibility to work in Europe: Only candidates with an existing legal right to work in the European Union will be considered for this role. We offer you: ITDS Business Consultants is involved in various, innovative, and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes: Stable and long-term cooperation with very good conditions Enhance your skills and develop your expertise in the financial industry Work on the most strategic projects available in the market Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years Participation in Social Events, training, and work in an international environment Access to an attractive Medical Package Access to Multisport Program #GETREADY Internal job ID #8667 You can report violations in accordance with ITDS’s Whistleblower Procedure available here .

🏢 Summary: B2B Fullstack Engineer role focused on building automation and integration solutions within a cybersecurity engineering team, combining backend Python development with modern frontend work. The position involves designing end-to-end solutions across web applications and infrastructure, contributing to DevOps practices, and working in an agile environment. Hybrid model in Cracow with strong emphasis on APIs, security, and CI/CD processes. 🗂️ Requirements: Strong experience with Python, Experience in full stack development (frontend and backend), Knowledge of HTML, Knowledge of CSS, Knowledge of JavaScript, Understanding of REST APIs, Understanding of JSON, Understanding of SOAP, Knowledge of OpenAPI or Swagger, Knowledge of microservices architecture, Understanding of authentication and authorization mechanisms, Experience with PostgreSQL, MSSQL, or MongoDB, Experience with CI/CD pipelines, Knowledge of DevOps practices, Working knowledge of Linux or Windows environments 📃 Skills: Python, HTML, CSS, JavaScript, REST, JSON, SOAP, OpenAPI, Swagger, PostgreSQL, MSSQL, MongoDB, CI/CD, Linux, Windows, Microservices, Authentication, Authorization, Figma, JIRA, Scrum, Lean 🏢 Description: Fullstack Engineer (Python/ API/ Security) Location: Cracow (hybrid model: 6 days per month from the office) Contract B2B( hourly rate—no additional days off) We’re looking for a Full Stack Engineer with a passion for automation, integration, and modern UI development to join a growing cybersecurity engineering team. This role sits at the intersection of software engineering and security, giving you the chance to work on impactful solutions while expanding your expertise in cybersecurity. You’ll be part of a cross-functional team focused on building and improving automation and integration solutions—working on everything from product integrations and data flows to user-facing interfaces. While prior cybersecurity experience is a plus, what matters most is your curiosity and willingness to learn. What you’ll do Design and build end-to-end automation solutions across web applications and infrastructure (on-prem and container-based). Collaborate with engineers, product experts, and stakeholders to identify improvements and deliver high-quality solutions. Contribute to continuous improvement by removing bottlenecks and optimizing processes. Work in an agile environment using modern delivery practices and tools (e.g., Scrum, Lean, JIRA). Troubleshoot and resolve issues across development, testing, and production environments. Support and mentor team members while promoting engineering best practices. Help shape DevOps pipelines, CI/CD processes, and production support standards. What we’re looking for Strong experience with Python (scripting and/or web development). Solid background in full stack development (frontend + backend). Familiarity with modern frontend tools and technologies (HTML, CSS, JavaScript, UI/UX basics, wireframing tools like Figma). Understanding of APIs and integration standards (REST, JSON, SOAP, OpenAPI/Swagger). Knowledge of microservices architecture and secure service design (authentication/authorization). Experience with databases such as PostgreSQL, MSSQL, or MongoDB. Exposure to CI/CD pipelines, DevOps practices, and agile methodologies. Working knowledge of Linux/Unix or Windows environments. Awareness of cybersecurity domains (data, network, endpoint security) is a plus. Nice to have Experience in roles such as Systems Engineer, Application Developer, or Application Support. Background in infrastructure automation or platform engineering. Interest in cybersecurity and secure software development.

🏢 Summary: Senior Full Stack Engineer role focused on modernizing payment systems by delivering advanced, cloud-based architectures and resilient microservices solutions. The position involves designing and implementing high-performance APIs, distributed systems, and CI/CD-driven infrastructure to support next-generation payment processing. The role combines hands-on backend development with architectural leadership in a financial services environment. 🗂️ Requirements: Minimum 10 years of backend development or API engineering experience, Proven experience in API design and architectural artifacts creation, Strong hands-on experience with Java, Deep knowledge of microservices architecture and distributed systems, Experience with Spring Boot framework, Practical experience with Docker and Kubernetes, Experience with Kafka, Experience with observability tools, Proficiency in cloud environments and deployments, Strong knowledge of Linux OS, networking, storage, and firewalls, Expertise in SQL and distributed databases, Previous experience in financial services or payments industry, Fluent English, Legal right to work in the European Union 📃 Skills: Java, Go, Rust, Spring, Microservices, Docker, Kubernetes, Kafka, Splunk, Grafana, Prometheus, SQL, Linux, Networking, Cloud, AWS, Azure, GCP, CI/CD, DevSecOps 🏢 Description: Empower the future of payment systems — drive innovation with cutting-edge architecture! Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Full Stack Engineer – Payment Modernization , you will be working for our client, a global leader in financial services dedicated to transforming payment processing technologies. You will help deliver HSBC’s Future State Architecture for payments, introducing lean, reusable engines that lay the foundation for next-generation financial products. Join us to shape innovative solutions that enhance security, resilience, and speed in the payment ecosystem, impacting millions of users worldwide. Your main responsibilities: Deliver expert-level engineering solutions for the Future State Architecture to enable advanced payment processing capabilities. Develop high-quality, robust code ensuring quality gates are surpassed and comprehensive test scripts are included. Focus on creating highly available and resilient software and services to meet demanding operational standards. Support the modernization of payment systems, leveraging cloud-based technologies to enhance agility and performance. Collaborate with cross-functional teams to design, develop, and implement new payment features and capabilities. Partner with DevOps teams to streamline automated infrastructure delivery, CI/CD pipelines, and DevSecOps practices. Lead technical analysis, problem solving, and architectural decisions, providing guidance to teams and management. Ensure compliance with security standards, data privacy regulations, and industry best practices within the latest tools and technologies. Maintain awareness of evolving industry trends, including microservices, containerization, cloud infrastructure, and security protocols. You're ideal for this role if you have: Minimum 10 years’ experience in back-end development, API engineering, or related fields. Proven expertise in designing APIs and creating architectural artifacts like data models and low-level designs. Extensive hands-on experience with Java, along with Go and Rust is a strong plus. Deep knowledge of microservices architecture, Spring Boot, and distributed system design. Strong experience working with Docker, Kubernetes, Kafka, and observability tools such as Splunk, Grafana, and Prometheus. Proficiency in cloud environments, particularly in deployment, network configuration, security, and cost optimization. Solid understanding of infrastructure: Linux OS, networking, storage, and firewall configurations. Expertise in SQL and distributed database systems. Previous experience within a financial institution or payments industry. Ability to work independently, think innovatively, and lead technically complex initiatives. Excellent communication skills in English (fluent level) and the capacity to influence and negotiate effectively. It is a strong plus if you have: Certifications in cloud platforms (AWS, Azure, GCP). Knowledge of cyber security and data privacy regulations relevant to payments. Experience mentoring or coaching junior engineers. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data. We offer you At ITDS , you will work on innovative and impactful technology projects for international companies across multiple industries in Europe and beyond. We create an environment for ambitious, driven professionals who want to grow, deliver value, and build their careers in modern IT and digital transformation. Our offer includes: Stable and long-term cooperation with attractive conditions Opportunities to develop your technical expertise across various industries and technologies The chance to work on high-impact, strategic IT and digital transformation projects A clear career path and the opportunity to grow quickly by contributing to diverse client initiatives over time International environment , knowledge sharing, social events, and training opportunities Access to an attractive medical package Access to the Multisport program Access to learning platforms such as Pluralsight Flexible working hours and remote work options

🏢 Summary: Senior Backend Engineer role focused on building secure, scalable backend services in Python and Node.js for advanced cybersecurity platforms. The position involves architecting and operating cloud-native solutions on GCP, optimizing databases, and implementing secure authentication flows. You will drive automation, reliability, and best practices in a hybrid Krakow-based environment. 🗂️ Requirements: Minimum 6 years backend development experience, Expertise in Python, Expertise in Django, Expertise in Node.js, Expertise in TypeScript, Experience with NestJS, Hands-on experience with GCP services, Experience with GKE, Experience with Cloud Run, Experience with Pub/Sub, Experience with Terraform, Strong knowledge of security principles, Experience implementing OAuth2, Experience implementing OpenID Connect, Experience with PostgreSQL, Ability to design scalable backend systems, Fluent English, Legal right to work in the EU 📃 Skills: Python, Django, Node.js, TypeScript, NestJS, GCP, GKE, CloudRun, PubSub, PostgreSQL, Terraform, OAuth2, OpenIDConnect, Go, Rust, Filestore 🏢 Description: Unleash innovation in security — shape the future of cyber defense! Krakow-based opportunity with hybrid work model As a Senior Python & Node.js Backend Engineer , you will be working for our client, a leading player in the cybersecurity industry, dedicated to building cutting-edge security platforms that protect organizations worldwide. You will contribute to developing innovative solutions that enhance digital safety, automation, and reliability—driving the next generation of security technology. Your main responsibilities: Hands-on development of high-quality, production-grade backend services in Python (Django) and Node.js (TypeScript/NestJS). Architect scalable, secure solutions on Google Cloud Platform (GKE, Cloud Run, Pub/Sub) and optimize PostgreSQL database performance. Lead the lifecycle management of cloud-native services, ensuring resilience, observability, and cost-efficiency. Design and implement OAuth2/OpenID Connect flows within GCP environments. Translate business opportunities into effective technical solutions. Develop automation to improve deployment, monitoring, and maintenance processes. Mentor team members and promote engineering best practices. Stay updated with the latest industry trends and share knowledge across teams. You're ideal for this role if you have: At least 6 years of experience in backend development or related fields. Deep expertise in Python (Django) and Node.js (TypeScript/NestJS). Hands-on experience with GCP services (Cloud Run, GKE, Filestore) and Infrastructure as Code (Terraform). Strong understanding of security principles, including zero trust models. Ability to build scalable, high-performance backend services, including some experience with Go or similar languages. A full-stack understanding with a focus on backend systems. Proven track record of creating secure, reliable, and efficient backend solutions. Demonstrated mastery in your technical discipline and a passion for engineering excellence. It is a strong plus if you have: Experience with Go, Rust, or other emerging languages. The ability to identify problems or opportunities and engineer effective solutions. Respected for your craftsmanship, not just your ideas. A holistic view to complex problem solving. Language Required for the role: Fluent English (written and spoken) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior Full-Stack Engineer role focused on enterprise-scale application security and cloud-native architecture, leveraging AI to scan and remediate vulnerabilities across 50,000+ GitHub repositories. The position involves designing scalable cloud platforms, automating CI/CD processes, and leading large-scale repository migrations. Offers exposure to distributed systems, serverless solutions, and advanced AI tools in a hybrid work model. 🗂️ Requirements: 3+ years of full-stack development experience, Strong expertise in TypeScript or Java or Python, Proficiency with SVN, Proficiency with Jenkins and Jenkins infrastructure, Experience with GitHub and GitHub Actions/Workflows, Experience with CI/CD best practices, Experience with AI tools (Claude, Copilot), Hands-on experience with AWS services, Experience with CloudFormation, Experience with Docker, Experience with cloud-based databases, Experience with cloud-native application development, Experience with automated testing, Strong troubleshooting skills in cloud infrastructure and networking, Knowledge of security best practices, B2 level English 📃 Skills: TypeScript, Java, Python, SVN, Jenkins, GitHub, GitHubActions, CI/CD, Claude, Copilot, AWS, CloudFormation, Docker, Databases, Networking, Security, Testing 🏢 Description: We are looking for a skilled Senior Full-Stack Engineer with expertise in AI to join our team. Join a high-impact initiative focused on enterprise-scale application security and cloud-native architecture. The project involves scanning, remediating, and deploying fixes for security vulnerabilities across a vast estate of 50,000+ GitHub repositories. This role offers exposure to large-scale distributed systems, serverless cloud solutions, and the opportunity to leverage AI technologies at the enterprise level. Please note, the position requires hybrid (3 days office ) work in Gdansk or Krakow. Responsibilities Lead the design, implementation, and deployment of scalable, reliable cloud platforms aligned with business and enterprise needs, driving continuous technical and operational improvements Maintain and enhance automation processes and scripts to support scalable, repeatable workflows Develop automation for migrating repositories from SVN/Jenkins to GitHub, ensuring proper setup and supporting build/deployment troubleshooting Optimize build and deployment speed, improve developer experience with CI/CD, and enhance end-to-end integrations Provide hands-on support to development teams in resolving build and deployment failures Establish and maintain technical standards, best practices, and documentation for efficient, well-governed development and operational workflows Collaborate with business stakeholders to translate requirements into technical designs and recommend appropriate tools and solutions Drive cross-team collaboration on complex initiatives, proactively identifying risks, dependencies, and mitigation strategies Serve as a technical point of accountability, balancing hands-on contribution with leadership responsibilities to ensure successful delivery Requirements 3+ years of professional experience in full-stack development Strong expertise in at least one programming language, preferably TypeScript Java or Python experience Proficiency with SVN/Jenkins, Jenkins infrastructure, Jenkins runners, GitHub, GitHub Actions/Workflows, and CI/CD best practices Experience using AI tools such as Claude Skills and Copilot Hands-on experience with AWS services (including CloudFormation and Docker), cloud-based databases, cloud platform engineering, cloud-native application development, and automated testing Strong troubleshooting skills in cloud infrastructure, networking, security best practices, and performance optimization Excellent problem-solving skills and attention to detail Strong communication and collaboration skills Excellent verbal and written communication skills; B2 level of English 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.

🏢 Summary: Senior Full-Stack Engineer role focused on enterprise-scale application security, cloud-native architecture, and AI-driven automation across 50,000+ GitHub repositories. The position involves designing scalable cloud platforms, automating repository migrations, optimizing CI/CD pipelines, and resolving complex build and deployment issues. It offers hands-on technical leadership in distributed systems and serverless environments within a hybrid work model. 🗂️ Requirements: 3+ years of professional experience in full-stack development, Strong expertise in at least one programming language (TypeScript, Java or Python), Proficiency with SVN, Jenkins, Jenkins infrastructure and runners, Experience with GitHub and GitHub Actions/Workflows, Strong knowledge of CI/CD best practices, Experience with AI tools such as Claude Skills and Copilot, Hands-on experience with AWS services including CloudFormation and Docker, Experience with cloud-based databases and cloud-native application development, Experience with automated testing, Strong troubleshooting skills in cloud infrastructure, networking and security, B2 level of English 📃 Skills: TypeScript, Java, Python, SVN, Jenkins, GitHub, GitHubActions, CI/CD, Claude, Copilot, AWS, CloudFormation, Docker, Databases, Automation, Networking, Security, Testing 🏢 Description: We are looking for a skilled Senior Full-Stack Engineer with expertise in AI to join our team. Join a high-impact initiative focused on enterprise-scale application security and cloud-native architecture. The project involves scanning, remediating, and deploying fixes for security vulnerabilities across a vast estate of 50,000+ GitHub repositories. This role offers exposure to large-scale distributed systems, serverless cloud solutions, and the opportunity to leverage AI technologies at the enterprise level. Please note, the position requires hybrid (3 days office ) work in Gdansk or Krakow. Responsibilities Lead the design, implementation, and deployment of scalable, reliable cloud platforms aligned with business and enterprise needs, driving continuous technical and operational improvements Maintain and enhance automation processes and scripts to support scalable, repeatable workflows Develop automation for migrating repositories from SVN/Jenkins to GitHub, ensuring proper setup and supporting build/deployment troubleshooting Optimize build and deployment speed, improve developer experience with CI/CD, and enhance end-to-end integrations Provide hands-on support to development teams in resolving build and deployment failures Establish and maintain technical standards, best practices, and documentation for efficient, well-governed development and operational workflows Collaborate with business stakeholders to translate requirements into technical designs and recommend appropriate tools and solutions Drive cross-team collaboration on complex initiatives, proactively identifying risks, dependencies, and mitigation strategies Serve as a technical point of accountability, balancing hands-on contribution with leadership responsibilities to ensure successful delivery Requirements 3+ years of professional experience in full-stack development Strong expertise in at least one programming language, preferably TypeScript Java or Python experience Proficiency with SVN/Jenkins, Jenkins infrastructure, Jenkins runners, GitHub, GitHub Actions/Workflows, and CI/CD best practices Experience using AI tools such as Claude Skills and Copilot Hands-on experience with AWS services (including CloudFormation and Docker), cloud-based databases, cloud platform engineering, cloud-native application development, and automated testing Strong troubleshooting skills in cloud infrastructure, networking, security best practices, and performance optimization Excellent problem-solving skills and attention to detail Strong communication and collaboration skills Excellent verbal and written communication skills; B2 level of English 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.

🏢 Summary: Opportunity for a Senior Python Developer to build advanced risk management platforms for global financial institutions within demanding trading environments. The role focuses on developing scalable backend systems, contributing to cloud-based architectures, and collaborating with international clients and senior engineers. It offers high technical ownership, exposure to quantitative finance, and work across multiple modern technologies. 🗂️ Requirements: Strong commercial experience in Python backend development, Degree in Computer Science, Mathematics, Physics, or related field, Solid understanding of software architecture, algorithms, and data structures, Experience with cloud platforms (AWS, Azure, or GCP), Ability to work across multiple programming languages and tech stacks, Confident English communication skills, Willingness to work in hybrid model (4 days in Warsaw office) 📃 Skills: Python, Go, Rust, C++, TypeScript, AWS, Azure, GCP, Algorithms, DataStructures, Cloud 🏢 Description: 💎 Senior Python Developer 💎 A rare opportunity has arisen for an ambitious, highly technical Senior Python Developer to join an elite engineering team building advanced risk management solutions for global financial institutions. In this role, you will work on complex backend systems used within highly demanding financial and commodities trading environments, collaborating closely with top-tier engineers and international clients. You will contribute to the development of scalable risk platforms while working across modern cloud infrastructure and multiple programming languages. If you enjoy solving difficult engineering problems, working alongside exceptionally strong developers, and building software with real business impact… Feel invited! This role offers a unique combination of technical depth, ownership, and exposure to the world of quantitative finance. WHAT WE OFFER B2B contract Competitive salary + biannual bonus Flexible working hours Hybrid work - 4 days from the office located in Warsaw Work closely with experienced engineers from top financial and technology companies International projects and collaboration with global clients Opportunity to grow within a highly technical, developer-driven culture YOUR ROLE Develop and maintain backend systems primarily in Python Build and extend risk management software for financial institutions Design scalable and maintainable solutions for complex business requirements Collaborate directly with international clients and technical stakeholders Work across multiple technologies including Python, Go, Rust, C++, and TypeScript Contribute to cloud-based solutions running on AWS and Azure Participate in architectural discussions and technical problem solving Continuously improve platform reliability, performance, and scalability IF YOU ARE A PERSON WHO Has strong commercial experience with Python backend development Holds a degree in Computer Science, Mathematics, Physics, or a related field Has solid understanding of software architecture, algorithms, and data structures Feels comfortable working across multiple programming languages and tech stacks Communicates confidently in English and enjoys working directly with clients Has experience with cloud platforms such as AWS, Azure, or GCP Understands financial systems or has previous exposure to financial markets (nice to have) Thrives in highly collaborative, engineering-driven environments Enjoys solving complex technical challenges together with the team in the office Congrats! This offer is especially for YOU!

🏢 Summary: Long-term fully remote B2B contract for a Senior Full Stack Python Developer to design and deliver end-to-end features across backend and frontend layers for international IT consulting projects. The role focuses on building scalable backend services in Python (FastAPI), REST APIs, secure authentication/authorization, and LLM integrations within controlled or hybrid infrastructures. 🗂️ Requirements: Minimum 4 years of software development experience, Strong Python proficiency, Experience with FastAPI, Experience with LangChain, Experience with LangGraph, Experience integrating LLM models, Experience designing and building REST APIs, Practical experience with PostgreSQL, Experience with OAuth2, Experience with OIDC, Experience with RBAC, Experience with SSO integration, Experience with Docker, Experience with Kubernetes, Experience with CI/CD systems, Experience with artifact validation and signature verification, Experience with compliance scanning tools 📃 Skills: Python, FastAPI, LangChain, LangGraph, LLM, REST, PostgreSQL, OAuth2, OIDC, RBAC, SSO, Docker, Kubernetes, CI/CD, GitHub, GitLab, Compliance, Scanning 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko Senior Full Stack Python Developer. Zakres obowiązków: Długofalowa współpraca z międzynarodową, topową firmą consultingową, świadczącą usługi IT dla dużych i średnich firm z różnorodnych sektorów. Projektowanie i rozwijanie kompleksowych funkcjonalności (end-to-end) obejmujących warstwy frontendową i backendową. Budowa oraz utrzymanie serwisów backendowych z wykorzystaniem języka Python (FastAPI) oraz REST API. Tworzenie skalowalnych modeli danych oraz usług systemowych. Implementacja bezpiecznych mechanizmów uwierzytelniania i autoryzacji. Integracja narzędzi do zapewniania bezpieczeństwa oraz walidacji pakietów. Praca w kontrolowanych lub hybrydowych środowiskach infrastrukturalnych. Oczekujemy: Minimum 4 lat doświadczenia w rozwoju oprogramowania. Bardzo dobrej znajomości języka Python oraz bibliotek/narzędzi takich jak: FastAPI, LangChain, LangGraph oraz integracji z modelami LLM. Doświadczenia w projektowaniu i budowie REST API. Praktycznej znajomości baz danych PostgreSQL. Doświadczenia w obszarze bezpieczeństwa: OAuth2, OIDC, RBAC oraz integracji SSO. Znajomości narzędzi DevOps i platformowych: Docker, Kubernetes. Doświadczenia z systemami CI/CD (np. GitHub Actions, GitLab CI). Znajomości narzędzi do walidacji artefaktów, weryfikacji sygnatur oraz skanowania zgodności (compliance scanning). Mile widziana znajomość technologii frontendowych: React, TypeScript, Next.js lub innych frameworków typu SPA. Znajomości języka angielskiego na poziomie B2 lub C1 - umożliwiająca swobodną komunikację w międzynarodowym środowisku. Mile widziana jest dostępność ASAP, akceptowalny jest maksymalnie miesięczny okres wypowiedzenia, ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 140-160 PLN netto/godz. + VAT. Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny i szybki proces rekrutacyjny - jedna, maksymalnie dwie rozmowy techniczne z managerami, online (każda po godzinie). Współpraca w godzinach 9:00-17:00, możliwa lekka elastyczność. Współpraca w pełni zdalna. Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.

🏢 Summary: Senior Full Stack Engineer (Python) role focused on building and modernizing a complex B2B SaaS platform for enterprise clients. The position involves end-to-end development, modernization of a Python/Flask codebase, AI-generated code review, backend architecture improvements, and collaboration across AI and frontend engineering teams. The offer includes flexible scheduling, benefits, professional development, and work on advanced enterprise-grade projects. 🗂️ Requirements: Commercial experience as Senior Backend or Full Stack Engineer, Hands-on coding experience, Strong Python proficiency, Experience with Flask, FastAPI, or Django, Knowledge of web application architecture, Experience with PostgreSQL, Strong SQL skills, Database schema design experience, Web security and vulnerability mitigation knowledge, Experience with AI coding tools, Docker experience, Kubernetes experience, Experience with Redis or Celery, Independent problem-solving skills, Ability to work with complex codebases 📃 Skills: Python, Flask, FastAPI, Django, PostgreSQL, SQL, Docker, Kubernetes, Redis, Celery, Copilot, Cursor, Claude, SQLAlchemy, SQLObject, Angular 🏢 Description: We are looking for a highly experienced, strictly hands-on Senior Full Stack Engineer (Python) to join a senior engineering team. You will drive the delivery and modernization of a complex B2B SaaS platform used by global enterprise clients. In this role, you will build new product modules end-to-end, from technical specification through to production deployment, while modernizing a mature codebase. Responsibilities: Build new platform modules end-to-end: translate business requirements into technical specs (use cases, data models, API designs) through to production deployment Execute modernization of the Python/Flask codebase - clean layered architecture, reduced technical debt, improved testability Act as quality gate for all AI-generated code - catching logic errors, security issues, and architectural violations Partner with the Intelligence Systems Engineer on features touching the AI/agent layer Collaborate with the Angular Architect on API contracts and frontend integration Write operational documentation: changelogs for QA, operations guides for DevOps, architecture docs for developers Proactively identify and address security concerns during development Min requirements: Proven commercial experience as a Senior Backend or Full Stack Engineer, actively engaged in hands-on coding (no pure advisory roles). Strong proficiency in modern Python, with a focus on writing clean, type-safe, and well-documented code. Solid experience with Python web frameworks (e.g., Flask, FastAPI, Django) and a good understanding of web application architecture. Expertise in relational databases (preferably PostgreSQL), SQL, and schema design. Strong security mindset with a proven ability to identify, understand, and mitigate real-world web vulnerabilities. Hands-on experience using AI coding tools (Copilot, Cursor, Claude) as part of your daily workflow, paired with a critical eye for reviewing AI-generated code. Experience working with containerization (Docker, Kubernetes) and background processing systems (e.g., Redis, Celery). Excellent independent problem-solving skills and the ability to navigate complex codebases. Would be a plus: Proven experience decomposing monolithic/legacy codebases into a clean, layered architecture. Hands-on modernization experience within mature, production-grade SaaS products. Familiarity with Python ORMs (e.g., SQLObject, SQLAlchemy). We offer: Opportunity to work on bleeding-edge projects Work with a highly motivated and dedicated team Competitive salary Flexible schedule Benefits package - medical insurance, sports Corporate social events Professional development opportunities Well-equipped office About us: Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI , supported by profound expertise and ongoing investment in data , analytics , cloud & DevOps , application modernization and customer experience . Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.