Full Stack Engineer (Java, Cloud & React)

🏢 Summary: Senior Full Stack Developer role focused on building and supporting scalable, secure cloud-native enterprise applications on Microsoft Azure. The position combines modern frontend and backend development with REST APIs, microservices, event-driven architecture, and AI-powered business solutions. 🗂️ Requirements: 7+ years of full-stack software development experience, Strong React, Angular, Next.js, JavaScript, and TypeScript knowledge, Backend development experience with .NET Core, Python, Node.js, or Java, Microsoft Azure experience, including App Services, Functions, and API Management, SQL Server, PostgreSQL, or Cosmos DB knowledge, Microservices, REST APIs, OAuth, and OpenID Connect experience, Git, Azure DevOps, and CI/CD pipeline familiarity, Basic Docker and Kubernetes knowledge 📃 Skills: Azure, React, Angular, Next.js, JavaScript, TypeScript, .NET, Python, Node.js, Java, REST, OpenAI, Databricks, Entra, SQL, PostgreSQL, CosmosDB, OAuth, OpenID, Git, AzureDevOps, CI/CD, Docker, Kubernetes 🏢 Description: We are looking for an experienced Senior Full Stack Developer to design, develop, and support modern cloud-native applications built on Microsoft Azure . The role involves developing enterprise web applications, backend services, APIs, and AI-powered solutions, including Generative AI and intelligent business applications. You will work closely with Data, AI, DevOps, and Product teams to deliver scalable, secure, and high-performing cloud solutions. Key Responsibilities Design, develop, and maintain cloud-native applications and backend services on Microsoft Azure. Build modern frontend applications using React, Angular, Next.js, or similar frameworks. Develop backend services and REST APIs using .NET Core, Python, Node.js, or Java. Integrate applications with Azure OpenAI, Azure AI Foundry, Databricks, and other enterprise AI services. Design microservices and event-driven architectures. Implement authentication and authorization using Microsoft Entra ID. Collaborate with Data, AI, DevOps, and Product teams throughout the software development lifecycle. Participate in architecture discussions, code reviews, testing, and production support. Continuously improve application performance, security, scalability, and reliability. Requirements 7+ years of experience in Full Stack software development. Strong knowledge of React, Angular, Next.js, JavaScript, and TypeScript. Hands-on experience with backend development using .NET Core, Python, Node.js, or Java. Experience with Microsoft Azure services, including App Services, Functions, and API Management. Good knowledge of SQL Server, PostgreSQL, or Cosmos DB. Experience with microservices, REST APIs, OAuth, and OpenID Connect. Familiarity with Git, Azure DevOps, and CI/CD pipelines. Basic knowledge of Docker and Kubernetes.

🏢 Summary: Senior Full Stack Engineer role focused on leading the delivery of scalable, business-critical web applications. The position combines React/Remix front-end development with Python REST APIs, Azure cloud deployment, automated testing, and DevSecOps practices while providing technical leadership in an Agile team. 🗂️ Requirements: Senior full-stack engineering experience, TypeScript, React, Python, RESTful API development, MongoDB, SQL databases, Microsoft Azure, Azure Kubernetes Service, Clean, testable code, Test-driven development, Vitest, Pytest, DevSecOps practices, GitHub workflows, GitHub Actions CI/CD, Kubernetes, ArgoCD, Problem-solving, Technical communication, Bachelor’s degree or equivalent professional experience 📃 Skills: TypeScript, React, Remix, Python, MongoDB, SQL, Azure, AKS, Vitest, Pytest, GitHub, GitHubActions, Kubernetes, ArgoCD, DevSecOps, TDD, GitOps, ES6 🏢 Description: We are seeking an experienced Senior Full Stack Engineer to join a high-performing engineering team responsible for building and enhancing innovative web-based platforms. This role offers the opportunity to work on complex, business-critical applications while driving technical excellence, engineering best practices, and scalable software solutions. As a Senior Engineer, you will take ownership of advanced development initiatives, contribute to architectural decisions, and help shape the future direction of modern web applications. You will work across both front-end and back-end technologies , combining expertise in React-based user interfaces and Python API development to deliver secure, scalable, and maintainable solutions. The ideal candidate will have strong full-stack engineering experience, a passion for clean code and automation, and the ability to solve complex technical challenges within a collaborative, agile environment. Key Responsibilities Lead the design, development, and delivery of complex software engineering initiatives from concept through to production. Architect and build scalable Python RESTful APIs and modern React/Remix-based web applications using service-oriented architecture principles. Develop reusable components, integrations, and technical solutions that improve application scalability and maintainability. Investigate, troubleshoot, and resolve complex technical issues, providing effective solutions and long-term improvements. Establish and promote engineering best practices across development, testing, security, and deployment processes. Champion a DevOps-first mindset , supporting automation, continuous delivery, and operational excellence. Define and address non-functional requirements including performance, accessibility, reliability, and security. Collaborate closely with Product Owners, architects, engineers, and business stakeholders to translate requirements into innovative technical solutions. Provide technical guidance and mentorship to other engineers, encouraging knowledge sharing and continuous improvement. Contribute to Agile delivery practices, supporting effective planning, estimation, and iterative development. Essential Skills & Experience Proven experience as a Senior Full Stack Engineer or similar technical leadership role, delivering complex software solutions. Strong proficiency in TypeScript , including modern ES6+ features and best practices. Extensive experience building dynamic, responsive front-end applications using React , with experience in Remix or similar frameworks preferred. Strong backend development experience using Python , including the design and implementation of RESTful APIs. Solid understanding of database technologies, including MongoDB and relational SQL databases. Hands-on experience with Microsoft Azure , particularly Azure Kubernetes Service (AKS) and cloud-native application deployment. Strong commitment to writing clean, maintainable, and highly testable code. Experience with Test Driven Development (TDD) and automated testing frameworks, including: Unit testing with Vitest and Pytest Functional testing exposure with Playwright is desirable. Strong understanding of modern DevSecOps practices , including: GitHub version control workflows CI/CD automation using GitHub Actions Containerised application deployment using Kubernetes GitOps practices with ArgoCD Excellent problem-solving skills with strong attention to technical detail and quality. Strong communication skills with the ability to collaborate effectively with both technical and non-technical stakeholders. Bachelor’s degree in Computer Science, Engineering, or a related discipline, or equivalent professional experience. Desirable Skills Azure Developer certification, particularly AZ-204 . Experience working with Databricks or modern data platforms. Experience working in Scrum-based Agile environments . Previous experience working with large-scale enterprise applications and distributed systems.

🏢 Summary: Senior Full Stack Engineer role focused on building scalable, business-critical web applications using React/Remix front ends and Python REST APIs. The position contributes to technical direction, engineering quality, DevOps practices, and mentoring within an agile, collaborative team. 🗂️ Requirements: Senior full-stack engineering experience, TypeScript, React, Python API development, MongoDB, SQL databases, Azure, Kubernetes, Clean, testable code, Automation, Vitest, Pytest, GitHub Actions, ArgoCD, CI/CD 📃 Skills: TypeScript, React, Remix, Python, REST, MongoDB, SQL, Azure, Kubernetes, AKS, Vitest, Pytest, GitHub, Actions, ArgoCD, CI/CD, DevOps 🏢 Description: We’re looking for a Senior Full Stack Engineer to join a collaborative, high-performing team building modern, business-critical web applications. In this role, you’ll work across React/Remix and Python APIs, helping shape technical direction, deliver scalable solutions, and improve engineering practices. We’re looking for someone who enjoys solving complex problems, writes clean and maintainable code, and thrives in an agile, team-oriented environment. What you’ll do Design, build, and deliver scalable full-stack applications Develop modern React/Remix front ends and Python REST APIs Improve performance, reliability, security, and accessibility Drive best practices in testing, DevOps, and continuous delivery Troubleshoot complex issues and implement long-term solutions Collaborate closely with product, architecture, and engineering teams Mentor other engineers and support a culture of learning and improvement What you’ll bring Strong experience as a Senior Full Stack Engineer Excellent TypeScript and React skills (Remix is a plus) Solid Python API development experience Experience with MongoDB and SQL databases Hands-on experience with Azure and Kubernetes (AKS) A strong focus on clean, testable code and automation Experience with Vitest, Pytest, GitHub Actions, ArgoCD, and CI/CD Great communication and collaboration skills If you’re excited by building scalable products, working with modern technologies, and having a genuine impact on both the platform and the engineering culture, we’d love to hear from you.

🏢 Summary: Senior Full Stack Developer role focused on building and operating a cloud-native product suite for asset lifecycle and investment decision-making. The position combines hands-on .NET/C#, Angular, AWS, integrations, DevOps, and production-quality ownership in a data-intensive environment. 🗂️ Requirements: Extensive .NET Core, C#, and Angular experience, Distributed systems and REST API integration experience, Microservices, Docker, Kubernetes, and Kafka or AMQ experience, SQL and/or NoSQL database experience, AWS cloud-native solution experience, CI/CD, test automation, and release management experience, Git, Azure DevOps, and/or GitHub Actions experience, Containerized application experience, Senior-level technical ownership and problem-solving, Stakeholder and technical communication skills 📃 Skills: .NET, C#, Angular, AWS, EKS, Docker, Kubernetes, Kafka, AMQ, REST, SQL, NoSQL, Git, DevOps, CI/CD, Azure, GitHub 🏢 Description: We are looking for an experienced Senior Full Stack Developer to support the development of a complex product suite used in a large-scale asset lifecycle and investment decision environment. The solutions help business and technical teams work with transparent, reliable, and traceable data, supporting better decisions around business cases, assumptions, calculations, forecasts, cost models, and operational planning. This is a senior hands-on engineering role combining backend, frontend, cloud, integrations, and production ownership. You will join a product environment where software quality, maintainability, cloud-native engineering, and strong technical ownership are key. About the role You will work on a suite of digital products used by different business functions, including engineering, finance, procurement, business development, project teams, and asset management stakeholders. The platform includes case management and orchestration capabilities, specialist tools for forecasting and cost estimation, data-driven components for assumptions and market information, and a reporting/data warehouse layer. The goal is to ensure that data, calculations, and business assumptions remain consistent, traceable, and reliable across products and processes. Key responsibilities Design, develop, and maintain scalable applications using .NET / C#, Angular, cloud services, and modern integration patterns. Build secure, maintainable, and reliable software aligned with product and architecture goals. Take ownership of solution quality, including security, compliance, authentication, authorization, and data protection. Improve production applications with a focus on reliability, performance, observability, incident resolution, and long-term maintainability. Work with cloud-native architecture and deployment patterns, primarily in AWS. Design and maintain integrations using REST APIs, microservices, and messaging platforms such as Kafka. Support DevOps practices: CI/CD, test automation, release management, and developer productivity improvements. Participate in technical discussions, architecture decisions, code reviews, and solution design. Mentor less experienced engineers and support high engineering standards across the team. Collaborate with architects, product owners, and stakeholders to translate business needs into robust technical solutions. Requirements Extensive hands-on experience with .NET Core, C#, and Angular. Strong understanding of object-oriented programming, clean code, SOLID, design patterns, and maintainable architecture. Experience building distributed systems and integrations using REST APIs, microservices, Docker, Kubernetes, and messaging platforms such as Kafka or AMQ. Experience working with SQL and/or NoSQL databases. Strong practical experience with cloud-native solutions on AWS, including areas such as: EKS / Kubernetes cloud storage secrets management, e.g. AWS Secrets Manager monitoring and observability production-grade deployments infrastructure automation Good understanding of DevOps practices and tools for automation, CI/CD, testing, and releases. Experience with Git, Azure DevOps, and/or GitHub Actions. Ability to work with containerized applications using Docker and Kubernetes. Senior-level ownership, strong problem-solving skills, and the ability to balance delivery speed with long-term quality. Strong communication skills and experience working with architects, product owners, and business stakeholders. Nice to have Experience with data-heavy applications, reporting platforms, forecasting tools, cost estimation, or business case systems. Experience with asset management, finance, investment-related systems, or complex operational platforms. Experience mentoring engineers and influencing technical direction in a product team.

🏢 Summary: Senior Full Stack Engineer role focused on building resilient Java and Python backend services for a cloud-native financial services platform. The offer involves Azure-based containerized microservices, REST and message-driven APIs, Terraform infrastructure, and AI-assisted development, with office work required three times weekly. 🗂️ Requirements: 7+ years of enterprise software development experience, Java 11+ object-oriented programming, Python programming, Spring Boot / Spring experience, Web or REST API and message-driven service development, Containerized application development and operations, Microsoft Azure experience, Terraform infrastructure-as-code experience, Kubernetes / AKS orchestration experience, Linux/Unix and shell scripting skills, AI-assisted development tooling experience, GitLab or GitHub proficiency, IntelliJ or VSCode proficiency, Agile Scrum experience, Fluent written and spoken English, Office attendance 3 times per week 📃 Skills: Java, Python, Spring, SpringBoot, REST, Azure, Terraform, Kubernetes, AKS, Linux, Unix, GitLab, GitHub, IntelliJ, VSCode, Copilot, Scrum, Kafka, IBM, Tibco, AzureSQL, Oracle, Sybase, CI/CD 🏢 Description: EPAM is looking for a Senior Full Stack Engineer (Java with Python) to join a high-impact engineering team delivering enterprise-grade backend solutions for a major global client in the financial services industry. You will contribute to the development and evolution of a cloud-native platform supporting critical business functions, working with modern technologies across Azure cloud, containerized microservices, and AI-assisted development practices. This is an excellent opportunity for an experienced engineer who thrives in complex, large-scale environments and is passionate about writing clean, scalable, and resilient code. This role requires working from the office 3 times a week. Responsibilities Design, develop, and maintain backend services using Java and Python within a cloud-native ecosystem Build and evolve RESTful APIs, web services, and message-driven architectures Develop and manage containerized applications deployed on Azure Kubernetes Service (AKS) Implement and maintain Infrastructure as Code using Terraform Collaborate with cross-functional teams to define technical solutions aligned with business requirements Leverage AI-assisted development tools (e.g., GitHub Copilot) to enhance productivity and code quality Participate in code reviews, technical discussions, and continuous improvement initiatives Ensure reliability, performance, and security of backend services in a production environment Contribute to engineering best practices across the team and the broader delivery organization Requirements 7+ years of professional software development experience in enterprise environments Strong object-oriented programming skills with Java 11+ Strong Python programming skills Extensive hands-on experience with the Spring Boot / Spring ecosystem Proven experience developing Web and/or REST APIs and message-driven services Experience building and running containerized applications Strong experience with Microsoft Azure, including: Infrastructure as Code (IaC) using Terraform Kubernetes (AKS) and container orchestration Compute (VMs) and storage solutions (e.g., Azure Files) Solid Linux/Unix skills (shell scripting, system-level understanding) Experience with AI-assisted development tools (e.g., GitHub Copilot) integrated into daily workflows Proficiency with GitLab / GitHub and modern IDEs (IntelliJ / VSCode) Strong analytical and problem-solving abilities Experience working in Agile teams (Scrum) Fluent English (written and spoken) Nice to have Experience with microservices architecture and system design at scale Familiarity with messaging and integration technologies: Kafka, IBM MQ, Tibco EMS Experience with relational databases: Azure SQL, Oracle, Sybase Proficiency with testing frameworks (unit, integration, and E2E testing) Hands-on experience with CI/CD pipelines (GitLab / GitHub) Knowledge of monitoring and observability practices and tooling We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 Summary: Oferta dotyczy roli Senior Full-Stack Engineer w projekcie Network Cloud, obejmującej rozwój oprogramowania do konfiguracji, monitorowania i optymalizacji serwerów oraz sieci. Praca polega na samodzielnym dostarczaniu funkcjonalności end-to-end w Java i React, przy rozwoju systemów cloud-native oraz automatyzacji sieci. Współpraca odbywa się hybrydowo, z okresowymi spotkaniami w Krakowie lub Warszawie. 🗂️ Requirements: Java 21, Spring / Spring Boot, Hibernate, JavaScript, TypeScript, React, Redux Toolkit, Relacyjne bazy danych, MariaDB, Linux, Git, Tworzenie testowalnego i utrzymywalnego kodu full-stack, Techniczny język angielski, Platformy cloud-native, Kubernetes, Narzędzia AI i LLM 📃 Skills: Java, Spring, SpringBoot, Hibernate, JavaScript, TypeScript, React, Redux, MariaDB, Linux, Git, Kubernetes, CloudNative, LLM 🏢 Description: Wspólnie z naszym Partnerem Biznesowym, liderem branży nowych technologii i automatyzacji sieci, poszukujemy doświadczonego specjalisty do realizacji projektów jako Senior Full-Stack Engineer w projekcie Network Cloud. Projekt obejmuje tworzenie oprogramowania do konfiguracji, monitorowania i optymalizacji serwerów oraz sieci dla klientów na całym świecie – od automatyzacji sieci mobilnych po rozwój aplikacji cloud-native. 💡 ZAKRES USŁUG - Samodzielna realizacja funkcjonalności end-to-end – od modelu danych i API na backendzie po interfejs użytkownika na froncie. - Projektowanie i rozwój usług backendowych w Java oraz rozbudowanych interfejsów w React. - Rozwój i utrzymanie wspólnej biblioteki komponentów UI oraz architektury backendowej. - Udział w przeglądach kodu obejmujących cały stos technologiczny – backend, frontend oraz warstwę integracyjną między nimi. - Merytoryczna współpraca z globalnymi centrami R&D Partnera. 🔍 WYMAGANE KOMPETENCJE - Zaawansowana znajomość Java 21 wraz z Spring / Spring Boot i Hibernate. - Praktyczne doświadczenie w JavaScript, TypeScript, React oraz Redux Toolkit. - Dobra znajomość relacyjnych baz danych, w szczególności MariaDB. - Znajomość systemu Linux na poziomie użytkownika lub wyższym oraz biegła obsługa Git. - Umiejętność samodzielnego tworzenia dobrze przetestowanego i łatwego w utrzymaniu kodu po obu stronach stosu technologicznego. - Zaawansowany, techniczny język angielski – do projektowania rozwiązań, code review i dokumentacji. - Udokumentowane doświadczenie z platformami cloud-native, np. Kubernetes. - Swoboda w korzystaniu z narzędzi AI (asystenci kodowania, LLM-y) oraz umiejętność oceny, kiedy warto im zaufać, a kiedy oprzeć się na własnej wiedzy. Mile widziane: - Doświadczenie w tworzeniu oprogramowania dla systemów telekomunikacyjnych. - Znajomość protokołów takich jak IPv4/6, DNS, BGP, DHCP, SR i ZTP. - Znajomość bibliotek do wizualizacji danych – Cytoscape.js, react-chartjs-2, MapLibre lub podobnych. - Doświadczenie z Storybook, narzędziami mono-repo (Lerna) lub Webpack. - Znajomość narzędzi automatyzacji, np. Ansible lub Terraform. - Znajomość zagadnień sieciowych Linux i Kubernetes (routing, iptables, CNI). TRYB WSPÓŁPRACY Model hybrydowy – gotowość do spotkań koordynacyjnych z biura w Krakowie lub w Warszawie (1x w tygodniu / 1x na 2 tygodnie). ✨ OFERUJEMY - Nowy sposób na aplikowanie z AI Rekruterem (AIR) – w trakcie procesu możesz porozmawiać z wirtualnym rekruterem 24/7, bez czekania na telefon. Finalną decyzję zawsze podejmuje Opiekun Projektu. - Współpracę w modelu projektowym, z rozliczeniem opartym na etapach i protokołach odbioru poszczególnych deliverables. - Wsparcie po stronie Connectis w sprawach administracyjnych i rozliczeniowych związanych ze współpracą. - Uczestnictwo w wydarzeniach branżowych oraz meetupach technologicznych. - 5 000 PLN za polecenie znajomych do naszych projektów. - Elastyczną formę współpracy B2B przy projektach realizowanych dla renomowanego Partnera z branży nowych technologii i automatyzacji sieci. - Szybki i zdalny proces. Dziękujemy za wszystkie zgłoszenia. Pragniemy poinformować, że skontaktujemy się z wybranymi osobami.

🏢 Summary: Full-time Senior Fullstack Software Engineer role focused on building scalable, cloud-native enterprise platform services with .NET and Angular or React. The position covers end-to-end feature delivery, microservices, architecture, CI/CD, production support, and mentoring in a hybrid Gdańsk-based setup. 🗂️ Requirements: 5+ years of commercial software development experience, Strong C# and .NET Core experience, ASP.NET, REST API, and microservices experience, Hands-on Angular or React experience, AWS, Docker, Kubernetes, SQL, Entity Framework, Git, and Azure DevOps knowledge, Automated testing and CI/CD pipeline experience, Modern software architecture and cloud-native development knowledge, English proficiency at B2+ level 📃 Skills: C#, .NET, ASP.NET, REST, Microservices, Angular, React, AWS, Docker, Kubernetes, SQL, EntityFramework, Git, AzureDevOps, CI/CD 🏢 Description: Senior Fullstack Software Engineer (.NET + Angular/React) Join a team building scalable, cloud-native platform services that power enterprise applications used by customers worldwide. We are looking for an experienced Fullstack Engineer with strong .NET expertise and solid frontend experience in Angular or React. Location: Gdańsk (Hybrid) Employment: Full-time, Employment Contract (UoP) Responsibilities Design and develop modern web applications using .NET and Angular or React . Build and enhance cloud-native, microservices-based solutions. Own features end-to-end, from technical design through development, testing, deployment, and support. Collaborate with cross-functional teams to deliver secure, scalable, and high-quality software. Contribute to architecture, CI/CD, automated testing, and engineering best practices. Support production environments and mentor other engineers. Requirements 5+ years of commercial software development experience. Strong experience with C#, .NET Core, ASP.NET, REST APIs , and microservices. Hands-on experience with Angular or React . Knowledge of AWS, Docker, Kubernetes, SQL, Entity Framework , Git, and Azure DevOps. Experience with automated testing and CI/CD pipelines. Good understanding of modern software architecture and cloud-native development. English level B2+ . What We Offer Employment contract (UoP). Hybrid work model from our Gdańsk office. Opportunity to work on a modern cloud platform using the latest technologies. International environment with experienced engineers and opportunities for professional growth.