Senior Software Engineer (Python + AWS)

🏢 Summary: Oferta zdalnej pracy dla Senior Software Engineera lub Lead Developera przy rozwoju chmurowej platformy do standaryzacji danych z badań klinicznych do CDISC SDTM. Rola obejmuje end-to-end development backendu Python/AWS, API GraphQL oraz frontendu React, a także rozwój infrastruktury Terraform i wpływ na systemy wykorzystywane w procesach regulacyjnych. 🗂️ Requirements: Minimum 5 lat komercyjnego doświadczenia w inżynierii oprogramowania — poziom Senior, Minimum 8 lat doświadczenia jako Lead Developer — poziom Lead, Angielski B2/C1, Bardzo dobra znajomość Python, Praktyczne doświadczenie z AWS Lambda, Znajomość Lambda Powertools, pytest i pytest-bdd, Dogłębna znajomość AWS: Lambda, Step Functions, S3, DynamoDB, IAM, Rozumienie kosztów, opóźnień i scenariuszy awarii w AWS, Umiejętność pisania czytelnego, testowalnego kodu w monorepo 📃 Skills: Python, AWS, Lambda, StepFunctions, S3, DynamoDB, IAM, Powertools, pytest, GraphQL, AppSync, React, TypeScript, Terraform, Databricks, CDISC, SDTM, ADaM, Vite, Cloudscape 🏢 Description: Stawka: 1000–1200 PLN/MD B2B (Senior), 1200–1400 PLN/MD B2B (Lead) Tryb pracy: zdalnie O stanowisku Poszukujemy Starszego Inżyniera Oprogramowania, który dołączy do zespołu rozwijającego natywną dla chmury platformę standaryzującą dane z badań klinicznych do modelu CDISC SDTM na dużą skalę. Będziesz pracować zarówno nad backendem opartym na Pythonie i AWS, jak i frontendem w React, odpowiadając za funkcjonalności od początku do końca – od projektowania potoków przetwarzania danych po narzędzie do tworzenia specyfikacji mapowania wykorzystywane przez analityków. To praktyczna rola inżynierska o realnym wpływie na branżę – dane generowane przez Twój kod są wykorzystywane w zgłoszeniach do organów regulacyjnych, analizach bezpieczeństwa oraz ocenie wyników badań klinicznych. Zakres obowiązków - Projektowanie i rozwój silnika transformacji danych do standardu SDTM – orkiestracja z wykorzystaniem AWS Step Functions, funkcji AWS Lambda oraz ścieżek zapisu do Databricks. - Tworzenie i rozwijanie API opartego na GraphQL/AppSync oraz aplikacji frontendowej w React, z której analitycy korzystają do tworzenia specyfikacji mapowania danych. - Odpowiedzialność za zmiany w infrastrukturze jako kodzie (Infrastructure as Code) przy użyciu Terraform, zarówno w stosach usług, jak i współdzielonej infrastrukturze. - Udział w przeglądach kodu (code review), dyskusjach architektonicznych oraz dyżurach on-call. - Mentoring inżynierów mniej doświadczonych w stosowanych technologiach lub w obszarze danych klinicznych. Wymagania - Minimum 5 lat komercyjnego doświadczenia w inżynierii oprogramowania. - 8+ lat doświadczenia na stanowisko Lead Developera. - Znajomość języka angielskiego na poziomie B2/C1. - Bardzo dobra znajomość Pythona – swobodna praca z Lambda Powertools, pytest/pytest-bdd oraz pisanie czytelnego, testowalnego kodu w środowisku monorepo. - Dogłębna znajomość AWS, w szczególności Lambda, Step Functions, S3, DynamoDB i IAM. - Rozumienie nie tylko sposobu uruchamiania rozwiązań, ale również kosztów, opóźnień oraz scenariuszy awarii. Mile widziane - Doświadczenie z GraphQL / AWS AppSync – projektowanie schematów, resolverów oraz integracja AppSync z aplikacją React. - React + TypeScript – gotowość do pracy nad aplikacją SPA opartą na Vite i Cloudscape, bez konieczności bycia specjalistą od frontendu. - Doświadczenie z Terraform – tworzenie, rozwijanie i diagnozowanie konfiguracji obejmujących wiele stosów infrastruktury. - Znajomość Databricks lub podobnych platform do przetwarzania dużych zbiorów danych. - Znajomość standardów danych klinicznych (CDISC SDTM, ADaM) lub doświadczenie w tworzeniu oprogramowania dla branż regulowanych (np. GxP, 21 CFR Part 11). - Dobra znajomość wzorców architektury zdarzeniowej i systemów rozproszonych, takich jak fan-out / fan-in, idempotencja oraz dostarczanie komunikatów z gwarancją at least once.

🏢 Summary: Senior Backend Engineer role focused on modernising and expanding a secure AWS serverless platform in the healthcare sector. The position involves building event-driven backend services, migrating Azure components to AWS, and integrating Salesforce within a compliant cloud environment. This is a hands-on remote contract role delivering production-grade solutions under tight timelines. 🗂️ Requirements: 4+ years backend engineering experience, 2+ years AWS serverless production experience, Strong commercial experience with Python or TypeScript, Hands-on experience with AWS Lambda, API Gateway, EventBridge, SQS, SNS, Step Functions, Experience with RDS, DynamoDB, S3, Secrets Manager, Terraform for application-level infrastructure, Salesforce API integration experience (REST or Platform Events), Strong knowledge of REST APIs and event-driven architectures, GitLab with CI/CD workflows, Familiarity with SOC 2 or HIPAA compliance 📃 Skills: Python, TypeScript, AWS, Lambda, APIGateway, EventBridge, SQS, SNS, StepFunctions, RDS, DynamoDB, S3, SecretsManager, Terraform, GitLab, CI/CD, Salesforce, REST, Azure, AzureFunctions, AzurePipelines 🏢 Description: Senior Backend Engineer (AWS Serverless) About the Role We’re looking for experienced Senior Backend Engineers to join a cloud modernisation project in the healthcare sector. The team is responsible for rebuilding and expanding a secure AWS-based platform, migrating selected Azure services, and delivering scalable integrations with Salesforce and other external systems. This is a hands-on engineering role focused on backend services, serverless infrastructure, and event-driven architectures. You’ll work closely with cloud engineers, platform teams, and stakeholders to deliver production-ready solutions under tight delivery timelines. The project includes both modernisation of existing systems and development of new integrations — this is not a greenfield environment. Contract Type: B2B Work Mode: 100% Remote Time Zone: CET/CEST (Poland) — occasional meetings after 18:00 Project Overview The client is operating in the medical industry and is currently modernising their cloud ecosystem to support secure and compliant data processing workflows. The engineering team will focus on: Building AWS serverless services and APIs Designing event-driven integrations with Salesforce Migrating Azure-based components to AWS Rebuilding repositories and CI/CD processes in GitLab Delivering secure architectures aligned with SOC 2 and HIPAA standards Technology Stack Backend & Cloud Python TypeScript AWS Lambda API Gateway Step Functions EventBridge SQS / SNS Data & Infrastructure RDS DynamoDB S3 AWS Secrets Manager Terraform GitLab CI/CD Integrations & Compliance Salesforce REST API Salesforce Platform Events SOC 2 HIPAA Confluence Jira Responsibilities Backend Engineering & Integrations Build and maintain scalable serverless services on AWS Design and implement Salesforce-to-EventBridge integration patterns Develop secure architectures for client file transfer and data synchronisation Create reusable integration standards for event-driven and bulk-processing workflows Design and maintain RESTful APIs and asynchronous processing pipelines Migration & Platform Modernisation Rebuild selected Azure Functions and Azure Pipelines within AWS environments Support repository migration and CI/CD transition to GitLab Contribute to infrastructure and deployment automation using Terraform Engineering Quality & Delivery Participate in code reviews and maintain production-grade engineering standards Create and maintain technical documentation in Confluence Work within agile delivery processes including daily standups, sprint reviews, and retrospectives Collaborate closely with cloud engineers and platform stakeholders What We’re Looking For Required Skills & Experience 4+ years of backend engineering experience 2+ years working with AWS serverless technologies in production Strong commercial experience with Python and/or TypeScript Hands-on experience with: AWS Lambda API Gateway EventBridge SQS / SNS Step Functions Experience with RDS, DynamoDB, S3, and Secrets Manager Terraform experience focused on application-level infrastructure Experience integrating Salesforce APIs (REST and/or Platform Events) Strong understanding of REST APIs and event-driven architectures GitLab experience including CI/CD integration workflows Familiarity with SOC 2 and/or HIPAA compliance requirements Experience creating production-level technical documentation Nice to Have Azure Functions or Azure Pipelines migration experience Healthcare or medical-sector project background Experience with ETL / ELT or bulk data processing pipelines API test automation experience

🏢 Summary: Senior Software Engineer role focused on building and scaling cloud-native e-commerce solutions for the automotive repair industry. The position involves designing backend systems, developing microservices and APIs, and shaping system architecture in a modern AWS-based environment. You will contribute to high-load distributed systems while applying best engineering practices in a fully remote setup. 🗂️ Requirements: 5+ years of backend development experience, Strong proficiency in Java or Kotlin, Experience building and optimizing microservices, Experience developing APIs (REST, SOAP, gRPC), Experience with AWS cloud services, Experience with Kubernetes and Docker, Knowledge of TDD and CI/CD practices, Experience with high-load distributed systems, Experience with relational and NoSQL databases 📃 Skills: Java, Kotlin, Ktor, Spring, Gradle, gRPC, REST, SOAP, MariaDB, Redis, dbMate, Kubernetes, Docker, ArgoCD, Grafana, Prometheus, OpenTelemetry, ELK, GitHub, AWS, ECR, EKS, RDS, S3 🏢 Description: Team We are seeking a highly skilled and experienced Senior Software Engineer to join our dynamic team working on PartsTech solution. You will develop e-commerce solutions revolutionizing the automotive repair industry with cutting-edge, scalable software solutions. We’re on a mission to simplify and modernize how repair shops source and manage parts. About You You will play a key role in shaping our backend systems and technical direction, working with a modern tech stack in a collaborative, fast-paced environment. You will play a key role in developing cloud-native applications, mentoring engineers, and contributing to the development of scalable system architectures. The ideal candidate will have strong background in backend programming languages ( Java/Kotlin ), building and optimizing microservices, developing APIs (REST, SOAP, gRPC) , implementing best practices like TDD and CI/CD and utilizing Amazon Web Services (AWS) . We value strong problem-solving skills, experience with high-load distributed systems, and a proactive approach to software development. Tech stack Programming & frameworks: Kotlin, Ktor/Spring Boot, Gradle, gRPC Databases: MariaDB, dbMate, Redis Containers & orchestration: Kubernetes (K8s), Docker, ArgoCD Monitoring: Grafana, Prometheus, OpenTelemetry, ELK Stack Version Control: GitHub Actions Cloud Platforms: AWS (ECR, EKS, RDS, S3) If you have 5+ years of experience, enjoy solving complex problems, and want to contribute to innovative projects, we would love to connect! We offer the opportunity to work fully remotely.

🏢 Summary: Senior Backend Engineer role focused on designing and delivering scalable, production-ready software using Node.js and AWS. The position involves leading development of complex solutions, ensuring high performance, reliability, and security, and integrating monitoring and testing practices. The engineer collaborates in agile teams to translate product requirements into resilient cloud-based applications. 🗂️ Requirements: Strong experience with Node.js and TypeScript, Proficiency with AWS services (Lambda, SNS/SQS, API Gateway, CDK), Experience with TDD and QA best practices, Ability to design and build highly scalable applications, Experience with monitoring, performance, scalability, and security, Experience conducting code reviews and delivering production-ready code, Ability to integrate monitoring and support tools, Experience contributing to test frameworks 📃 Skills: Node.js, TypeScript, AWS, Lambda, SNS, SQS, API Gateway, CDK, TDD, QA, Monitoring, Scalability, Security, Agile 🏢 Description: We are looking for a Senior Backend Engineer (Node.js / AWS) who: Has strong experience with TDD and solid understanding of QA best practices. Can handle operational challenges : monitoring, performance, scalability, availability, resilience, and security. Translates product requirements into reliable, scalable software . Has excellent development skills and experience building highly scalable applications . Is proficient in Node.js, TypeScript , and AWS services like Lambda, SNS/SQS, API Gateway , and CDK . What you’ll do: Lead development of complex software solutions. Conduct code reviews and deliver production-ready code . Integrate software with monitoring/support tools . Collaborate with architects and technical leads, participate in agile processes . Contribute to test frameworks , troubleshoot issues, and ensure smooth team collaboration.

🏢 Summary: The offer is for a Senior Python Backend Engineer to design and maintain scalable, cloud-native backend systems on AWS, including REST APIs and AI/LLM integrations. The role focuses on distributed systems, asynchronous processing, observability, and high code quality within a modern CI/CD environment. It involves working with both serverless and containerized deployments in a collaborative, agile team. 🗂️ Requirements: 3–5+ years of professional Python backend development experience, Experience building cloud-native systems on AWS, Strong knowledge of REST API design and OpenAPI, Experience with asynchronous processing and queue-based architectures, Hands-on experience with core AWS services (Lambda, API Gateway, S3, IAM, ECS/EKS, CloudWatch), Knowledge of DynamoDB and NoSQL data modelling, Knowledge of PostgreSQL, SQL, and relational data modelling, Experience with serverless and containerized deployments, Experience integrating external APIs and third-party services, Experience with automated testing using pytest, Familiarity with CI/CD tools, Understanding of distributed systems, scalability, and reliability, Practical understanding of LLM-based or AI-driven applications, Ability to apply SOLID principles and clean code practices, Fluent English (written and spoken) 📃 Skills: Python, AWS, FastAPI, Pydantic, SQLAlchemy, boto3, REST, OpenAPI, Celery, SQS, Lambda, ECS, EKS, S3, CloudFront, IAM, SecretsManager, CloudWatch, DynamoDB, PostgreSQL, SQL, pytest, GitHubActions, Jenkins, NewRelic, Docker, Kubernetes, LLM, Cursor, Claude, Copilot 🏢 Description: We are looking for a Senior Python Backend Engineer with experience in building cloud-native backend systems on AWS. This role is focused on designing, developing, and maintaining scalable Python services, integrating AI/LLM-based capabilities, working with distributed systems, and ensuring high reliability, observability, and code quality. Your responsibilities: Design, build, and maintain backend services using Python in an AWS-based environment. Develop and maintain REST APIs together with clear OpenAPI documentation. Implement asynchronous processing and queue-based communication between services. Design data access patterns for application features using NoSQL and SQL storage. Integrate backend services with internal systems, external APIs, and AI/LLM-based components. Implement reliable communication patterns, including retries, timeouts, and circuit breakers. Build and maintain operational CLI tooling for day-to-day platform tasks (e.g. content ingestion). Contribute to architectural decisions across software and infrastructure as the stack evolves. Create observability for distributed systems, including logging, metrics, tracing, and alerting. Write automated tests and support high code quality across the backend codebase. Contribute to CI/CD processes and deployment automation. Collaborate with product, frontend, QA, DevOps, AI/ML teams, and content creators. Review code, share knowledge, and raise the bar for engineering practice across the team. We are looking for you, if you have: 3–5+ years of professional experience in Python backend development. Solid understanding of REST API design and OpenAPI standards. Experience with asynchronous processing and queue-based architectures, e.g. Celery, SQS. Experience with libraries and frameworks such as FastAPI, Pydantic, SQLAlchemy, boto3. Hands-on experience with core AWS services such as Lambda, API Gateway, S3, CloudFront, Secrets Manager, IAM, ECS/EKS, CloudWatch, etc. Good knowledge of DynamoDB and NoSQL data modelling. Good knowledge of PostgreSQL, SQL, and relational data modelling . Experience with both serverless (Lambda) and containerized (ECS/EKS) deployment models. Experience integrating with external APIs and third-party services. Experience with pytest and automated testing practices. Familiarity with CI/CD tools such as GitHub Actions and/or Jenkins. Experience with observability tools such as New Relic and CloudWatch. Understanding of distributed systems, scalability, reliability, and fault tolerance. Ability to apply SOLID principles, clean code practices, and common design patterns. Practical understanding of LLM-based applications or AI agentic frameworks. Ability to use AI development tools such as Cursor, Claude Code, or GitHub Copilot. Experience working in agile software development teams. Fluent English, both written and spoken. We offer: Participation in interesting and demanding projects. Flexible working hours. A great, non-corporate atmosphere. Possibility to work remote or hybrid (2 days per week from the office). Opportunities for development and promotion. Attractive package of benefits. We reserve the right to contact the selected candidates.

🏢 Summary: Senior Software Engineer role focused on maintaining and extending a SaaS platform using Scala and Python, with strong emphasis on AI/LLM integrations and backend architecture. The position involves building production-grade backend services, integrating generative AI and transcription tools, and supporting scalable cloud-based systems in an international engineering environment. B2B contract with long-term extension potential. 🗂️ Requirements: 7+ years of backend software engineering experience, Advanced Polish language skills, English at B2/C1 level, Production experience with Scala, Production experience with Python, Ability to maintain dual-language codebases, Knowledge of software architecture, Understanding of clean code principles, Experience with automated testing, Experience with code reviews, Knowledge of version control 📃 Skills: Scala, Python, REST, GenAI, LLM, AWS, Azure, GCP, CI/CD, ElasticSearch, PHP, SaaS, API, Git 🏢 Description: Kim jest H2B Group? Jesteśmy firmą konsultingową, która pomaga klientom w automatyzacji procesów biznesowych przy pomocy AI, a specjalistom IT rozwijać karierę w modelu B2B. Oferujemy projekty z branż takich jak fintech, medtech, edutech czy automatyka przemysłowa. Dzięki ścisłej współpracy wspieramy rozwój naszych klientów poprzez dostarczanie szybkich i mierzalnych efektów, jednocześnie zapewniając specjalistom IT możliwości rozwoju kariery i zdobywania cennego doświadczenia. Dlaczego warto z nami współpracować? ✨ Elastyczność – Wybierasz projekty dopasowane do swoich umiejętności i zainteresowań, z możliwością zmiany w ramach naszej firmy lub grupy Euvic, której jesteśmy częścią. 💡 Przejrzystość – Masz jasne zasady współpracy i pełną transparentność wynagrodzenia oraz warunków. 🚀 Szybkość działania – Dzięki naszej efektywności szybko znajdziesz lub zmienisz projekt, który idealnie odpowiada Twoim kompetencjom. 🌟 Możliwość rozwoju – Pracujesz przy innowacyjnych projektach, rozwijając kluczowe kompetencje i zdobywając cenne doświadczenie. Do projektu naszego klienta poszukujemy osoby na stanowisko Senior Software Engineera (Scala & Python) Join an international engineering team focused on evolving and scaling an established SaaS platform . In this role, you will bridge two ecosystems: maintaining the core infrastructure built in Scala while developing new, advanced features primarily in Python . A key focus of the project is the deployment of cutting-edge AI capabilities , including integrations with external AI/LLM providers, transcription services, and internal machine learning models. Key Responsibilities Hybrid Backend Development: Developing, maintaining, and extending robust backend services using both Scala (existing codebase) and Python (new features). AI & LLM Integrations: Designing and implementing production-ready features driven by Generative AI, integrating external and internal AI platform APIs, LLM providers, and transcription tools. System Architecture: Participating in technical discussions, code reviews, and architectural decisions to ensure system scalability, performance, and security. API & Integration Design: Designing reliable, maintainable REST APIs and seamless integrations between core platform services and external third-party systems. Quality & Automation: Writing clean, well-documented, and thoroughly testable code while supporting modern CI/CD pipelines and automated testing practices. Production Support: Troubleshooting production issues, optimizing performance/costs of AI workloads, and continuously improving platform stability. Requirements Experience: Minimum 7+ years of professional experience in backend software engineering. Languages: Fluent Polish (advanced) AND English at a minimum B2/C1 level (working in an international engineering environment). Technical Ecosystem: Proven production-grade experience with both Scala and Python , along with the ability to navigate and maintain dual-language codebases efficiently. Engineering Practices: Solid understanding of software architecture, clean code principles, automated testing, code reviews, and version control. Nice to Have: GenAI / LLM Experience: Commercial experience integrating LLMs, generative AI APIs, or building workflows around speech-to-text/transcription tools. Cloud & Infrastructure: Hands-on experience with major cloud platforms ( AWS, Azure, or GCP ) and modern CI/CD pipelines. Search & Data: Practical knowledge of ElasticSearch for scalable data querying. Legacy Context: Basic understanding or experience with PHP applications is a plus. SaaS Background: Previous experience building or scaling multi-tenant SaaS products. What We Offer Rate: 100-125 PLN/h Contract Type: B2B Contract. Duration: 6 months with a strong possibility of long-term extension.

🏢 Summary: Senior Backend Engineer role focused on building and scaling a cloud-based SaaS platform using modern .NET services and REST APIs. The position involves designing distributed systems, improving reliability and observability, and working with cloud and container environments. You will contribute to technical decisions and engineering best practices within a collaborative team. 🗂️ Requirements: 5+ years backend development experience, Experience with SaaS and web applications, Strong knowledge of C#, Strong knowledge of modern .NET/.NET Core, Solid computer science fundamentals, Experience with distributed systems design, Experience with cloud platforms, Experience with containers and orchestration, Understanding of concurrency and performance, Knowledge of authentication and authorization mechanisms 📃 Skills: C#, .NET, .NETCore, REST, Azure, AWS, GCP, Kubernetes, Kafka, RabbitMQ, SQS, Docker, SQL, HTML, CSS, JavaScript 🏢 Description: We’re hiring a Senior Backend Engineer to help build and scale a cloud-based SaaS platform. You’ll work on modern .NET services and APIs, improve reliability and observability, and contribute to technical decisions as part of a collaborative engineering team. Responsibilities: Build and maintain backend services and REST APIs in C# / .NET (.NET Core). Design scalable solutions for distributed systems (async workflows, messaging, integrations). Work with cloud services (Azure/AWS/GCP) and container environments (e.g. Kubernetes). Strengthen system reliability with logging, metrics, tracing, and monitoring. Support secure access patterns: authentication/authorization, API gateway concepts. Contribute through code reviews, good engineering practices, and automation. Requirements: 5+ years of backend development experience, including SaaS and web applications. Strong knowledge of C# and modern .NET + solid CS fundamentals. Familiarity with containers/orchestration and cloud-native approaches. Experience with some of: Kafka/RabbitMQ/SQS, workflow orchestration, job scheduling, search. Good understanding of concurrency and performance. Strong communication skills; Agile/Scrum is a plus. Bonus: basic front-end knowledge (HTML/CSS/JS).

🏢 Summary: Senior Python Engineer role focused on building and modernizing financial platforms using Python, React, AWS, and microservices architecture. The position involves backend and frontend development, cloud integration, system design, and test automation within agile distributed teams. Candidates will work on scalable, resilient treasury and payment systems with opportunities for remote work and professional growth. 🗂️ Requirements: 5+ years of experience with Python, 5+ years of experience with FastAPI and Django, 5+ years of experience with PostgreSQL, 5+ years of experience with Docker, 5+ years of experience with React.js, 5+ years of experience with TypeScript, Experience with unit testing and manual integration testing, Experience working in agile teams, Experience with code reviews, Experience collaborating with distributed global teams, Familiarity with Jira and Confluence, Familiarity with AWS cloud services, System design expertise in microservices, database modeling, and API design, Experience leading refactoring and redesign initiatives, Ability to design resilient, compliant, and auditable financial systems 📃 Skills: Python, FastAPI, Django, PostgreSQL, Docker, React, TypeScript, AWS, S3, Lambda, CloudWatch, AKS, Jira, Confluence, Microservices, API, GitHub, GitHubActions, DevOps 🏢 Description: We are seeking a skilled Senior Python Engineer with experience in AWS and React to join a project for our Client, a global leader in the area of investments. Responsibilities Develop, maintain, and enhance backend services using Python frameworks (FastAPI, Django), PostgreSQL, and Docker Build and optimize frontend applications with React.js and TypeScript, ensuring seamless user experiences Champion test automation practices, implementing robust unit tests and manual integration testing to ensure code quality and reliability Collaborate within agile teams to deliver complex, high-stakes applications, contributing to iterative development and continuous improvement Participate actively in code reviews, fostering a culture of peer learning and knowledge sharing Work effectively with distributed teams across multiple time zones, ensuring clear communication and collaboration Utilize Atlassian tools (Jira, Confluence, etc.) for project tracking, documentation, and workflow management Integrate and manage native cloud services such as S3 buckets, Lambda, AWS AKS, CloudWatch to support scalable and resilient architectures Lead system design efforts, including microservices architecture, database modelling, and API design, to meet business and technical requirements Drive refactoring and redesign initiatives for critical financial systems, ensuring performance, maintainability, and scalability Architect solutions for resiliency, compliance, and auditability, specifically within Treasury and payment platforms Requirements 5+ years’ experience with Python (FastAPI, Django), PostgreSQL, Docker 5+ years’ experience with React.js, TypeScript Strong commitment to test automation, including robust unit and manual integration testing Experience working in agile teams on complex, high-stakes applications Collaborative mindset, with a commitment to code reviews and peer learning Comfortable working with teams across the globe Familiarity with Atlassian tools (Jira, Confluence, etc.) Familiarity with native cloud services (S3 buckets, Lambda, AWS AKS, CloudWatch) System design expertise across microservices, database modeling, and API design Experience leading refactoring/redesign initiatives on critical financial systems Ability to architect for resiliency, compliance, and auditability in Treasury/payment platforms Nice to have Experience with GitHub Actions, Jira - GitHub integrations, DevOps best practices Prior exposure to financial services, with domain knowledge in payments, wire transfers, account reconciliations, and cash management 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 Python Engineer role focused on building and modernizing financial platforms using Python, React, AWS, and microservices architecture. The position involves backend and frontend development, cloud integration, system design, and leading refactoring initiatives for scalable and resilient treasury and payment systems. The offer includes remote flexibility, career development programs, certifications, and comprehensive benefits. 🗂️ Requirements: 5+ years of experience with Python, 5+ years of experience with FastAPI and Django, 5+ years of experience with PostgreSQL, 5+ years of experience with Docker, 5+ years of experience with React.js, 5+ years of experience with TypeScript, Experience with unit and integration testing, Experience working in agile teams, Code review and peer collaboration skills, Experience with distributed global teams, Familiarity with Jira and Confluence, Experience with AWS cloud services, System design expertise, Microservices architecture experience, Database modeling experience, API design experience, Experience leading refactoring initiatives, Experience designing resilient and compliant financial systems 📃 Skills: Python, FastAPI, Django, PostgreSQL, Docker, React, TypeScript, AWS, S3, Lambda, CloudWatch, AKS, Jira, Confluence, Microservices, API, GitHub, GitHubActions, DevOps 🏢 Description: We are seeking a skilled Senior Python Engineer with experience in AWS and React to join a project for our Client, a global leader in the area of investments. Responsibilities Develop, maintain, and enhance backend services using Python frameworks (FastAPI, Django), PostgreSQL, and Docker Build and optimize frontend applications with React.js and TypeScript, ensuring seamless user experiences Champion test automation practices, implementing robust unit tests and manual integration testing to ensure code quality and reliability Collaborate within agile teams to deliver complex, high-stakes applications, contributing to iterative development and continuous improvement Participate actively in code reviews, fostering a culture of peer learning and knowledge sharing Work effectively with distributed teams across multiple time zones, ensuring clear communication and collaboration Utilize Atlassian tools (Jira, Confluence, etc.) for project tracking, documentation, and workflow management Integrate and manage native cloud services such as S3 buckets, Lambda, AWS AKS, CloudWatch to support scalable and resilient architectures Lead system design efforts, including microservices architecture, database modelling, and API design, to meet business and technical requirements Drive refactoring and redesign initiatives for critical financial systems, ensuring performance, maintainability, and scalability Architect solutions for resiliency, compliance, and auditability, specifically within Treasury and payment platforms Requirements 5+ years’ experience with Python (FastAPI, Django), PostgreSQL, Docker 5+ years’ experience with React.js, TypeScript Strong commitment to test automation, including robust unit and manual integration testing Experience working in agile teams on complex, high-stakes applications Collaborative mindset, with a commitment to code reviews and peer learning Comfortable working with teams across the globe Familiarity with Atlassian tools (Jira, Confluence, etc.) Familiarity with native cloud services (S3 buckets, Lambda, AWS AKS, CloudWatch) System design expertise across microservices, database modeling, and API design Experience leading refactoring/redesign initiatives on critical financial systems Ability to architect for resiliency, compliance, and auditability in Treasury/payment platforms Nice to have Experience with GitHub Actions, Jira - GitHub integrations, DevOps best practices Prior exposure to financial services, with domain knowledge in payments, wire transfers, account reconciliations, and cash management 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 Python Engineer role focused on building and modernizing financial platforms using Python, React, AWS, and microservices architecture. The position involves backend and frontend development, cloud integration, system design, and leading refactoring initiatives in agile distributed teams. The offer includes remote flexibility, professional development programs, certifications, and comprehensive benefits. 🗂️ Requirements: 5+ years of experience with Python, 5+ years of experience with FastAPI, 5+ years of experience with Django, 5+ years of experience with PostgreSQL, 5+ years of experience with Docker, 5+ years of experience with React.js, 5+ years of experience with TypeScript, Experience with test automation and integration testing, Experience working in agile teams, Experience with code reviews, Experience collaborating with distributed global teams, Familiarity with Jira, Familiarity with Confluence, Familiarity with AWS cloud services, System design expertise, Experience with microservices architecture, Experience with database modeling, Experience with API design, Experience leading refactoring initiatives for financial systems, Ability to architect resilient and compliant Treasury/payment platforms 📃 Skills: Python, FastAPI, Django, PostgreSQL, Docker, React, TypeScript, AWS, S3, Lambda, CloudWatch, AKS, Jira, Confluence, Microservices, API, GitHub, GitHubActions, DevOps 🏢 Description: We are seeking a skilled Senior Python Engineer with experience in AWS and React to join a project for our Client, a global leader in the area of investments. Responsibilities Develop, maintain, and enhance backend services using Python frameworks (FastAPI, Django), PostgreSQL, and Docker Build and optimize frontend applications with React.js and TypeScript, ensuring seamless user experiences Champion test automation practices, implementing robust unit tests and manual integration testing to ensure code quality and reliability Collaborate within agile teams to deliver complex, high-stakes applications, contributing to iterative development and continuous improvement Participate actively in code reviews, fostering a culture of peer learning and knowledge sharing Work effectively with distributed teams across multiple time zones, ensuring clear communication and collaboration Utilize Atlassian tools (Jira, Confluence, etc.) for project tracking, documentation, and workflow management Integrate and manage native cloud services such as S3 buckets, Lambda, AWS AKS, CloudWatch to support scalable and resilient architectures Lead system design efforts, including microservices architecture, database modelling, and API design, to meet business and technical requirements Drive refactoring and redesign initiatives for critical financial systems, ensuring performance, maintainability, and scalability Architect solutions for resiliency, compliance, and auditability, specifically within Treasury and payment platforms Requirements 5+ years’ experience with Python (FastAPI, Django), PostgreSQL, Docker 5+ years’ experience with React.js, TypeScript Strong commitment to test automation, including robust unit and manual integration testing Experience working in agile teams on complex, high-stakes applications Collaborative mindset, with a commitment to code reviews and peer learning Comfortable working with teams across the globe Familiarity with Atlassian tools (Jira, Confluence, etc.) Familiarity with native cloud services (S3 buckets, Lambda, AWS AKS, CloudWatch) System design expertise across microservices, database modeling, and API design Experience leading refactoring/redesign initiatives on critical financial systems Ability to architect for resiliency, compliance, and auditability in Treasury/payment platforms Nice to have Experience with GitHub Actions, Jira - GitHub integrations, DevOps best practices Prior exposure to financial services, with domain knowledge in payments, wire transfers, account reconciliations, and cash management 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.