Full Stack Engineer (Java/React)

🏢 Summary: Opportunity to build scalable, real-time financial systems from scratch within a high-impact engineering team at a leading investment bank. The role focuses on clean architecture, modern cloud-native and event-driven technologies, and delivering production-grade systems that power global financial infrastructure. It offers strong earning potential and the chance to work with top-tier engineers using a modern stack. 🗂️ Requirements: 5+ years of experience with Java, Strong experience with Spring Boot, Experience building scalable real-time systems, Experience with cloud-native architectures, Experience with event-driven systems, Experience with containerized applications, Ability to work collaboratively in engineering teams 📃 Skills: Java, SpringBoot, Cloud, EventDriven, Containers, Microservices, RealTime 🏢 Description: The Role This is your chance to join a high-impact engineering team within one of the world’s most respected investment banks. You’ll be building scalable, real-time systems from the ground up—no legacy code, no red tape. Just clean architecture, modern tools, and a team that knows how to ship. Why Developers Are Making the Jump Massive earning potential : This position offers the chance to double—or even triple—your current income. No dead weight : You’ll be surrounded by top-tier talent from global tech firms Modern stack : Cloud-native, event-driven, containerized. No outdated tech, no excuses. Real impact : Your code won’t sit in a backlog. It’ll power global financial infrastructure. What You’ll Leave Behind Legacy codebases that fight you at every turn Teams that settle for “good enough” Salary ceilings that don’t reflect your value Projects that never launch or never matter What You’ll Gain A contract that pays what you’re worth A team that pushes you to be better A tech stack that keeps you sharp A brand name on your CV that opens doors globally What you'll need: Tech: Java (5+ years), Spring Boot Mindset: Team player, collaborative mindset

🏢 Summary: Engineering role focused on developing enhancements and providing production support for a banking platform within a global team. The position combines backend and frontend development with incident resolution, DevOps practices, and application reliability. Work is hybrid with strong involvement in microservices-based systems and observability tooling. 🗂️ Requirements: Experience with Java 21, Experience with Spring Boot 3.x, Knowledge of JUnit, Experience with microservices architecture, Experience with REST API development, Knowledge of JSON, Experience with React JS, Experience with PostgreSQL, Experience with MQ or Solace, Knowledge of Kubernetes, Knowledge of Redis, Understanding of application security, Experience with observability tools, Experience with CI/CD and DevOps tools 📃 Skills: Java, SpringBoot, JUnit, Microservices, REST, JSON, React, PostgreSQL, MQ, Solace, Kubernetes, Redis, Security, Grafana, Splunk, Logstash, Prometheus, OpenTelemetry, Zipkin, Jenkins, Ansible 🏢 Description: Szukamy Inżyniera który dołączy do globalnego zespołu, przyczyniając się do rozwoju aplikacji i bieżącego wsparcia całej platformy dla banku. Lokalizacja: Kraków, praca hybrydowa (2 dni z biura) . Zadania: Dostarczanie usprawnień aplikacji oraz wsparcia jako część globalnego zespołu inżynierskiego. Współpraca z biznesem w celu planowania i realizacji dostaw, zapewniając osiąganie kamieni milowych. Prowadzenie rozwiązywania krytycznych incydentów oraz doprowadzanie poprawek do zakończenia w wymaganych ramach czasowych. Odpowiedzialność za kompleksowe działania związane ze wsparciem produkcyjnym, w tym zarządzanie zgłoszeniami, ticketami i zapytaniami ad hoc oraz śledzenie ich do momentu rozwiązania. Diagnozowanie i rozwiązywanie problemów aplikacyjnych w celu utrzymania wydajności, niezawodności i użyteczności dla użytkowników systemu. Tworzenie i utrzymywanie wytycznych dobrych praktyk, dokumentacji technicznej oraz artefaktów procesowych. Ciągłe rozwijanie kompetencji poprzez szkolenia, certyfikacje i naukę praktyczną. Pełnienie roli eksperta domenowego (SME) w zakresie funkcjonalności usług, ograniczeń i aspektów operacyjnych. Identyfikowanie i eskalowanie ryzyk, problemów, zależności i założeń na etapie projektowania w metodyce agile. Wymagania (must have): Java 21, Spring Boot 3.x, JUnit, mikroserwisy, REST API, JSON, React JS, PostgreSQL, MQ/Solace, Znajomość: Kubernetes, Redis, bezpieczeństwo aplikacji, Doświadczenie z narzędziami observability oraz DevOps/CI/CD: Grafana, Splunk, Logstash, Prometheus, OpenTelemetry, Zipkin, Jenkins, Ansible, Bardzo dobre umiejętności komunikacji pisemnej i ustnej oraz zdolność efektywnej współpracy w zespołach rozproszonych, Wysoka responsywność, szczególnie w codziennym wsparciu aplikacji, Samodzielność i odpowiedzialność, umiejętność przejmowania inicjatywy i doprowadzania zadań do końca, Orientacja na klienta, zdolność rozumienia i interpretowania potrzeb użytkowników, Tworzenie jasnej, zwięzłej i wysokiej jakości dokumentacji oraz rezultatów pracy, Komfort pracy w modelu DevOps, z wkładem w różne obszary, takie jak analiza biznesowa, testowanie (w tym manualne) oraz wsparcie. Wymagania (nice to have): Podstawy: Python, Activiti (silnik workflow), JMock/Mockito, skrypty powłoki (shell scripting), Selenium, Serenity, Doświadczenie w budowaniu lub wspieraniu aplikacji opartych na workflow.

🏢 Summary: Long-term opportunity for a Full-Stack Java Developer to modernize a business-critical Collateral & Margining platform within a global investment banking environment. The role focuses on building and maintaining Java-based microservices while contributing to a transformation from monolithic systems to a cloud-native architecture. You will work across the full SDLC using modern Agile, DevOps, and automated testing practices. 🗂️ Requirements: Strong experience with Java 17/21, Hands-on experience with Spring Boot and microservices architecture, Solid knowledge of PostgreSQL, Experience with DevSecOps pipelines, Experience working in Agile and DevOps environments, Strong TDD practice using JUnit and integration testing, Experience with Cucumber for E2E testing, Experience delivering complex systems to production, Experience with REST APIs and messaging systems 📃 Skills: Java, Spring, SpringBoot, SpringCloud, Angular, TypeScript, PostgreSQL, Microservices, REST, MQ, Solace, Ansible, JUnit, Cucumber, DevSecOps, CICD, Redis, Hazelcast, Coherence, GCP, AWS, Hystrix, Eureka, Zuul, Sleuth, Feign, Ribbon, HTML5, GitHubCopilot 🏢 Description: Full‑Stack Java Developer – Global Investment Banking Platform (Kraków) B2B| Krakow | Hybrid: 6 days per month A global investment bank is expanding its engineering hub in Kraków and is looking for an experienced Senior and Mid Level Full‑Stack Java Developer’s to join a long‑term programme modernising a business‑critical Collateral & Margining platform used across global markets. This is a chance to join a mature engineering organisation driving a multi‑year transformation from monolithic systems to a modern, microservices‑based architecture. You’ll work on high‑impact technology used by thousands of institutional clients worldwide, while contributing to a brand‑new platform built with the latest open‑source tooling. About the Team & Platform The Collateral technology group delivers end‑to‑end solutions for a cross‑asset trading and risk environment. The team is currently: Supporting a large‑scale, business‑critical monolithic platform Building a new microservices‑based collateral platform using modern engineering practices Accelerating adoption of Agile, DevOps, AI‑assisted development, CI/CD, and cloud-native tooling Tech stack includes: Java 17/21, Spring Boot 3.5, Spring 6, Spring Cloud, Angular 17, TypeScript, REST APIs, Message Queues, Ansible, and modern open‑source infrastructure. Role Overview As a Senior Full‑Stack Java Developer, you will: Design, build, and maintain high‑quality Java microservices Contribute across the full SDLC, from design to production support Apply Agile and DevOps principles to improve delivery velocity Use TDD (JUnit), integration tests, regression tests, and Cucumber for E2E scenarios Collaborate closely with QA, product, and architecture teams Mentor junior engineers and support knowledge‑sharing across the team Support production systems: incident resolution, monitoring, and problem management Build automation and tooling to improve operational efficiency Essential Experience Strong experience with Java 17/21, Spring Boot, and microservices Solid knowledge of PostgreSQL and DevSecOps pipelines Experience working in Agile and/or DevOps environments Strong communication skills and ability to collaborate across global teams Proven experience delivering complex systems from concept to production Ability to translate functional requirements into scalable technical solutions Strong TDD discipline (JUnit, integration tests, Cucumber) Desirable Skills Experience with AI‑assisted development tools (e.g., GitHub Copilot) Spring Cloud components (Hystrix, Eureka, Zuul, Sleuth, Feign, Ribbon) Distributed caching/in‑memory data stores (Redis, Hazelcast, Coherence) REST APIs and messaging (MQ, Solace) Automated deployment tools (Ansible) TypeScript, Angular, HTML5 Cloud exposure (GCP/AWS) Why Join? Work on a mission‑critical global banking platform Contribute to a major multi‑year transformation Join a stable, established engineering organisation with modern practices Influence architecture, tooling, and engineering standards Long‑term project with strong investment and roadmap clarity

🏢 Summary: Hands-on DevOps Engineer role focused on operating and evolving a secure, mission-critical fintech platform used by global financial institutions. Responsible for production operations, CI/CD pipelines, cloud infrastructure, monitoring, incident management, and release coordination in a regulated environment. Combines engineering and operations to ensure reliability, security, and scalability at scale. 🗂️ Requirements: Experience with Linux/Unix systems in production, Proficiency in Infrastructure as Code using Terraform and Ansible, Experience building and maintaining CI/CD pipelines, Hands-on experience with cloud platforms (Azure preferred), Experience with containers and orchestration (Docker, Kubernetes), Scripting skills in Python and Bash, Strong security and incident response experience, Experience with monitoring and logging tools 📃 Skills: Linux, Unix, Terraform, Ansible, CI/CD, Azure, Docker, Kubernetes, Python, Bash, ELK, Grafana, Datadog, ISO27001, SOC2 🏢 Description: An innovative financial technology company is seeking an experienced DevOps Engineer to help operate and evolve a highly secure, mission‑critical platform used by global financial institutions. You’ll be responsible for production operations, CI/CD, cloud infrastructure, monitoring, incident management, and release coordination across a distributed platform. The role is hands‑on, blending operations with engineering in a regulated environment. Key skills Linux/Unix systems in production Infrastructure as Code (Terraform, Ansible) CI/CD, monitoring (ELK, Grafana, Datadog) Cloud platforms (Azure preferred) Containers & orchestration (Docker, Kubernetes) Scripting (Python, Bash) Strong security and incident response experience Nice to have Financial services experience Security, networking, or blockchain exposure Compliance standards (ISO27001, SOC2) What’s on offer Complex technical challenges in modern fintech Collaborative, high‑calibre engineering team Competitive package and flexible working Interested in building reliable, secure platforms at scale—apply to find out more.

🏢 Summary: Java Backend Developer role focused on developing and maintaining an in-house Manufacturing Execution System connecting SAP with manufacturing controls across multiple sites. The position involves building backend solutions with Java 11+, Java EE, Oracle DB, and modern development tools while working in Scrum and Kanban teams. The offer includes flexible work options, continuous learning opportunities, and participation in global industrial IT projects. 🗂️ Requirements: 5+ years developing Java-based applications, Strong Java 11+ knowledge, Experience with Java EE and JPA, Hands-on experience with WebLogic and OpenLiberty, Experience with EclipseLink, Knowledge of JMS and REST, Experience with Oracle DB, Experience with Angular, Experience with Kotlin, Experience with Maven, Experience with Jenkins, Experience with Bitbucket, Experience with SonarQube, Analytical and solution-oriented mindset, Fluent English 📃 Skills: Java, JavaEE, JPA, XML, Oracle, MES, SAP, WebLogic, OpenLiberty, EclipseLink, JMS, REST, Angular, Kotlin, Maven, Jenkins, Bitbucket, SonarQube, Scrum, Kanban 🏢 Description: At thyssenkrupp GSG, we’re the backbone of our thyssenkrupp global IT operations. Our team of passionate professionals designs, develops, and supports the IT applications and infrastructure that power thyssenkrupp’s worldwide business. We build our culture on Trust, Respect, and Empowerment . That means creating a safe space for open feedback, treating everyone equally, and giving teams the autonomy and support to grow. We believe in honest collaboration, inclusive communication, and ownership without micromanagement — and there is no BUT. By joining us, you’ll: Drive global impact : Work on international projects that shape the digital future of industry. Grow your potential : Get access to cutting-edge tools, technologies, and training to accelerate your career. Thrive in a team-driven culture : Collaborate in an environment where your contributions are valued and team spirit fuels success. Enjoy work-life balance : We support flexible working so you can stay connected to what matters most—both professionally and personally. We’re not just building IT systems—we’re building the future. Ready to be part of it? In this role, you will: Build backend solutions using Java 11+, Java EE , XML integrations, and Oracle DB. Develop and maintain our in-house MES (Manufacturing Execution System) , connecting SAP systems with local manufacturing process controls across multiple sites. Deliver new features and improvements within Scrum and Kanban teams , supporting both large and small projects. Ensure code quality through reviews, automated testing, and documentation. Work with a modern tech stack including Angular, Kotlin, Maven, Jenkins, Bitbucket, and SonarQube. You’ll be a great fit if you: Bring 5+ years of experience in developing Java-based applications with strong skills in Java 11+ and Java EE / JPA . Have solid hands-on experience with application servers (WebLogic, with migration to OpenLiberty), EclipseLink , JMS , and REST . Are comfortable working with Oracle DB and frontend or development tools such as Eclipse RCP, Angular, Kotlin, Maven, Jenkins, Bitbucket, and SonarQube . Work in a pragmatic, solution-oriented way and think analytically . Speak fluent English (German is a plus). What do you benefit with us: At thyssenkrupp GSG, we believe great work starts with employee. Here’s what you can expect when you join our team: Global impact & open culture : Be part of a high-tech company shaping industries worldwide, where your ideas truly matter. Flexible workstyle : Enjoy remote work possibilities and flexible hours – start your day anytime between 7:00 and 10:00 . Supportive onboarding & career growth : Get started with guidance from experienced mentors and follow clear paths for development and promotion. Continuous learning : Access to premium training platforms, foreign language classes, and a personal development budget. Wellbeing & community : Take care of yourself with private medical care, life insurance or join company sports initiatives. Team spirit & events – integration budget, interdepartmental teams, company and family activities to stay connected, even remotely. Extra perks : From anniversary bonuses and MyBenefit platform to the “under the pear tree” holiday benefit, we make sure your hard work is appreciated.

🏢 Summary: Oferta dotyczy rozwoju i utrzymania aplikacji oraz serwisów z wykorzystaniem technologii Java, JavaScript i Python, wraz z tworzeniem testów oraz dbaniem o jakość i wydajność oprogramowania. Rola obejmuje udział w projektowaniu rozwiązań, integracji systemów oraz pracy zespołowej w środowisku projektowym. Pracodawca oferuje stabilne zatrudnienie, szeroki pakiet benefitów oraz możliwość pracy z różnorodnymi technologiami. 🗂️ Requirements: Komercyjne doświadczenie z JavaScript, Znajomość ES6+, Znajomość HTML5, Znajomość CSS3, Praktyczna znajomość Java, Praktyczna znajomość Spring, Praktyczna znajomość Hibernate, Znajomość SQL, Doświadczenie w Python, Znajomość relacyjnych baz danych, Umiejętność projektowania i optymalizacji zapytań, Znajomość Git, Znajomość Maven, Znajomość Jira, Znajomość Jenkins, Znajomość SOAP, Znajomość REST, Znajomość XML, Znajomość JSON, Wykształcenie wyższe informatyczne lub pokrewne, Umiejętność pracy zespołowej 📃 Skills: JavaScript, ES6, HTML5, CSS3, Java, Spring, Hibernate, SQL, Python, Git, Maven, Jira, Jenkins, SOAP, REST, XML, JSON 🏢 Description: Na co dzień w naszym zespole: implementujesz nowe lub modyfikujesz istniejące aplikacje/serwisy, tworzysz testy jednostkowe i integracyjne dla budowanych aplikacji/serwisów, dbasz o wysoką jakość oprogramowania (funkcjonalność, wydajność, niezawodność), dokumentujesz zaimplementowane rozwiązania, analizujesz możliwe rozwiązania, bierzesz udział w pracach projektowych. To stanowisko może być Twoje, jeśli: posiadasz komercyjne doświadczenie w tworzeniu aplikacji z wykorzystaniem JavaScript (ES6+), HTML5 oraz CSS3, masz praktyczną wiedzę w zakresie programowania w Java, Spring Boot, Hibernate oraz SQL, posiadasz doświadczenie w tworzeniu i rozwijaniu aplikacji w języku Python, dobrze znasz relacyjne bazy danych oraz zasady projektowania i optymalizacji zapytań, swobodnie posługujesz się narzędziami wspierającymi proces wytwarzania oprogramowania, takimi jak Git, Maven, Jira i Jenkins, znasz i stosujesz standardy oraz technologie integracyjne, w tym SOAP, REST, XML i JSON, posiadasz wykształcenie wyższe o profilu informatycznym lub pokrewnym, efektywnie współpracujesz z zespołem w środowisku projektowym, dzieląc się wiedzą i wspierając realizację wspólnych celów. Dodatkowym atutem będzie: doświadczenie w bankowości. Dołączając do nas zyskujesz: pakiet benefitów, w tym prywatną opiekę medyczną, Pracowniczy Program Emerytalny, System Kafeteryjny MyBenefit, kartę Multisport, atrakcyjną ofertę produktów bankowych, w tym kredytu hipotecznego, dedykowany system szkoleń, możliwość zdobywania doświadczenia, poznania różnorodnej technologii, w największej instytucji finansowej w kraju, stabilizację zatrudnienia – umowę o pracę, dedykowany system premiowy.

🏢 Summary: Senior FullStack Developer role focused on developing and modernizing a large-scale corporate banking platform. The position involves building and maintaining backend services and Angular frontend components, delivering new features, fixing defects, and supporting production systems within a microservices and monolithic architecture. The role includes active participation in system modernization and REST API development in an Agile environment. 🗂️ Requirements: 5+ years commercial experience with Java 7/8, Experience with Spring Framework and Spring Boot, Experience with Maven, Experience with SQL, Experience with Git, Experience with JSP, Experience with JavaScript, Experience designing and developing REST APIs, Experience in backend service design and implementation, Strong knowledge of unit testing practices, 2+ years experience with Angular, Experience with Jasmine, Experience working with legacy code, Experience working in Agile environment 📃 Skills: Java, Spring, SpringBoot, Maven, SQL, Git, JSP, JavaScript, Angular, Jasmine, REST, Microservices, Agile 🏢 Description: About the Project We are looking for an experienced Senior FullStack Developer to join an international team working on a large-scale corporate banking platform. The application enables corporate clients to manage accounts, execute payments and transfers, handle files and confirmations, and perform a variety of banking operations through a secure online portal. As part of the development team, you will be responsible for maintaining and enhancing a business-critical application, including the delivery of new features, bug fixes, production incident resolution, and implementation of regulatory and business-driven changes. The system consists of both microservices and monolithic components. The team is currently on a modernization journey, gradually transforming the existing platform into a more modern architecture. The working language is English, and the team follows SAFe Agile principles. Responsibilities Design and implement backend services based on business and technical requirements. Develop and maintain REST APIs. Contribute to frontend development using Angular. Write and maintain unit tests. Analyze, maintain, and enhance existing code, including legacy components. Collaborate with cross-functional and international teams. Participate in system modernization and architectural improvements. Support production systems and troubleshoot issues when required. Requirements Must Have 5+ years of commercial experience with: Java 7/8 Spring Framework Spring Boot Maven SQL Git JSP JavaScript Experience in designing and developing REST APIs. Experience in backend service design and implementation based on specifications. Strong understanding of unit testing practices. 2+ years of experience with: Angular Jasmine Experience working in an Agile environment. Willingness to analyze and work with legacy code. Strong communication and collaboration skills. Fluent English (spoken and written). Nice to Have Knowledge of SOLID principles. Familiarity with software design patterns. What We Offer Opportunity to work on a large-scale enterprise platform within the financial sector. Participation in system modernization and transformation initiatives. International and collaborative work environment. Long-term cooperation in a stable project. Exposure to both modern and legacy technologies. Real impact on technical solutions and product development.

🏢 Summary: Senior DevOps Engineer role supporting large-scale, low-latency trading systems for a North American bank. The position involves building, automating, and maintaining infrastructure across hundreds of servers and modernizing DevOps tooling in a fully remote, long-term engagement. The engineer will work on high-performance production systems used in real-time financial markets. 🗂️ Requirements: 6+ years of DevOps experience, Experience with multiple Linux distributions, Experience with at least one cloud environment, Experience managing 400+ servers using infrastructure automation tools, Proficiency in Python, Proficiency in Bash, Experience deploying and managing AWS-based systems, Experience supporting low-latency trading or capital markets systems, Experience with bare metal container orchestration, Strong knowledge of Linux system lifecycle, Ability to build and maintain observability systems, Advanced troubleshooting in live Linux environments, Ability to work US Eastern business hours, Eligibility to work and reside in Poland 📃 Skills: Linux, AWS, Python, Bash, Puppet, Ansible, Terraform, CloudFormation, Kubernetes, Docker, Icinga, Nagios, Observability, Automation 🏢 Description: Are you an experienced DevOps engineer who enjoys building and managing infrastructure in the cloud? Do you love working with smart people in interesting and useful domains? Want to work on large systems that power real-time trading across global markets? If so, read on. The Role at a Glance Senior Cloud Infrastructure Engineer Fully remote for a top North American bank (based in Poland only) 220-250 zł/hr B2B net + VAT Partial overlap with US Eastern business hours We’re hiring experienced DevOps engineers (6+ years) to join the IT infrastructure team at a top North American bank — directly supporting the development of financial trading systems . You’ll be part of the core IT infrastructure team , building and maintaining infrastructure in AWS for trading systems used across the firm. Why Join Us? Collaborate with a world-class team of DevOps engineers and developers across North America and Europe. Enjoy a long-term, fully remote role . Competitive compensation and long term stability that only a bank can offer. A successful candidate will be a passionate DevOps engineer who prioritizes automation, can code their own tools, and understands the value of observability. They will have experience maintaining configuration at scale of over 100 servers.  They must also be curious, open-minded, and desire to learn new things. English proficiency is a must. This is a fully remote DevOps role for an engineer in Poland . You will be working exclusively and directly with the bank through a Polish company, that will provide the support and administrative assistance to make you successful in the role. We are looking for people to join the team long-term. This role requires a 6-hour overlap with US Eastern business hours during the onboarding period and a 3-4 hour flexible overlap afterwards. Only open to residents of Poland. Polish citizens, as well as legal residents with permission to work in Poland are welcome. Successful candidates will need to pass a standard background check. What we offer Work that matters in the financial domain: Work on a trading system at an established financial institution, processing millions of transactions daily. Professional growth: Collaborate with smart, highly capable developers in a supportive and challenging environment. Direct collaboration : You will work directly with the bank’s team in North America and in Poland. 1st-tier work : This is not a technical support or legacy maintenance role. The system is functional and is actively being built and you will take part in updating it. The people who built the system are still part of the team. Long-term commitment: This is not a fixed-scope or fixed-term outsourcing role; we value people who want to grow and contribute long-term. Fully remote work: Fully remote position based in Poland. Competitive Compensation: Above-average pay and ample time-off options. Responsibilities Own one or more technology domains end-to-end such as the AWS multi-account landing zone (Control Tower, SCPs, Organizations, IAM Identity Center), EKS greenfield buildout (service mesh, GitOps/ArgoCD, Karpenter), CI/CD pipeline architecture, or AI/ML infrastructure (Bedrock, GPU workloads, MLOps). Lead platform buildouts from design through production. Architect, implement, and operate the systems your domain covers, making and documenting architecture decisions within your scope. Author and enforce IaC standards. Write production-grade Terraform/Terragrunt modules and establish patterns the entire team adopts. Design and implement CI/CD pipelines for infrastructure and application workloads using Jenkins on ECS and GitOps workflows. Understand and troubleshoot hybrid connectivity across co-location facilities, AWS Transit Gateway, Direct Connect, and cross-region networking; partner with the Networks team to resolve issues and implement changes. Mentor two Mid-level Engineers (L3). Review code and designs, pair on complex problems, drive their technical growth. Collaborate with the Governance and Security SME on security posture, vulnerability remediation prioritization, and regulatory compliance. Participate in on-call as a senior escalation point for production infrastructure incidents. Leverage AI-assisted developer tooling to accelerate delivery and reduce operational toil across the team. Requirements Must have 6+ years building and operating production infrastructure on AWS. Deep expertise in at least one of: AWS multi-account architecture (Control Tower, SCPs, Organizations, TGW) or Kubernetes at scale (EKS, service mesh, GitOps/ArgoCD, Karpenter). Terraform and Terragrunt proficiency. You create the modules, not just consume them. CI/CD pipeline design and maintenance (Jenkins, GitHub Actions, or equivalent). Linux systems administration (Amazon Linux, RHEL, or equivalent). Python and Bash scripting for automation. Experience mentoring engineers through code reviews, design reviews, and pairing. Ability to take ambiguous problems, ask the right questions, and deliver without hand-holding. Ability to follow and understand technical conversations. Ability to work during US Eastern business hours: 6-hour overlap during the onboarding period and a 3-4 hour flexible overlap afterwards. Nice to have Financial services, trading technology, or regulated industry experience. Experience with Microsoft Entra ID (Azure AD) and enterprise application management, SAML/SSO configuration, and AWS IAM Identity Center integration. Hybrid cloud connectivity troubleshooting (Direct Connect, Transit Gateway, co-location to AWS). Privileged access management (CyberArk or equivalent). Cloud security tooling (Wiz, Qualys, CrowdStrike). AI/ML infrastructure such as Bedrock, SageMaker, GPU instance management, and MLOps pipelines. AWS certifications (Solutions Architect Professional, Advanced Networking, Security Specialty). Interview process Submit your CV. Answer a few written questions and a short programming exercise which you can do at your own pace. Participate in an online three-stage interview process Successful candidates will need to pass a standard background check.

🏢 Summary: Development of a global credit risk analytics platform in the banking sector, focused on distributed batch processing and 24/7 data pipelines in a cloud and microservices architecture. The role involves building and maintaining Java-based microservices, designing scalable backend systems, and contributing to a long-term cloud transformation to GCP. This is a non-CRUD, high-scale engineering position with real impact on performance, reliability, and architectural decisions. 🗂️ Requirements: 6+ years commercial experience in Java, Experience with distributed systems, Experience with microservices architecture, Strong knowledge of Spring Boot and Spring Cloud, Experience in REST API design, Experience with cloud platforms (GCP required for Tech Lead), Practical experience with Kubernetes, Experience with Terraform and CI/CD, Knowledge of TDD and engineering best practices (SOLID, DRY, KISS, YAGNI), Ability to work with infrastructure, Architectural design experience (Tech Lead), Experience in mentoring and technical leadership (Tech Lead) 📃 Skills: Java, Spring, SpringBoot, SpringCloud, REST, Microservices, SpringBatch, ApacheBeam, ApacheFlink, GCP, Kubernetes, Terraform, Docker, Jenkins, Ansible, Redis, Python, Oracle, PostgreSQL, Dataflow, CI/CD 🏢 Description: Dołącz do zespołu rozwijającego kluczową platformę analityczną w obszarze bankowości globalnej , odpowiedzialną za obliczanie ryzyka kredytowego kontrahentów dla tysięcy klientów na całym świecie. Projekt jest częścią wieloletniej transformacji technologicznej dużej organizacji finansowej, której celem jest migracja systemów do chmury oraz budowa nowej generacji silników analitycznych opartych o nowoczesne technologie open-source. Nie jest to projekt CRUD ani proste API — pracujemy z procesami batchowymi działającymi 24/7 , systemami rozproszonymi oraz zaawansowanymi pipeline’ami danych. Projekt System służy do codziennego wyliczania ekspozycji na ryzyko kredytowe kontrahenta w skali globalnej. Platforma: działa w architekturze mikroserwisowej, funkcjonuje zarówno w Google Cloud Platform , jak i środowisku on-premise, zastępuje rozwiązania vendorowe wewnętrzną platformą analityczną. Projekt rozwijany jest od wielu lat przez zespoły w Azji, a polski zespół przejmuje wiedzę oraz rozwija nowe funkcjonalności. stabilne, długofalowe finansowanie realny wpływ na rozwój platformy rosnący zespół w Polsce Stack technologiczny Backend & Architecture Java 21 Spring Boot / Spring Cloud Microservices / REST APIs Spring Batch Data & Processing Apache Beam Apache Flink GCP Dataflow Cloud & DevOps Google Cloud Platform (GCP) Kubernetes Terraform Docker Jenkins Ansible Dodatkowo Redis Python (sporadycznie) Ali Cloud (część środowiska) Zakres obowiązków rozwój i utrzymanie mikroserwisów Java w obszarze risk analytics projektowanie i implementacja rozproszonych systemów backendowych praca w modelu TDD rozwój procesów batchowych i pipeline’ów danych działających 24/7 współpraca z zespołami międzynarodowymi dbanie o wydajność, niezawodność i skalowalność systemów udział w pełnym cyklu życia produktu (design → development → produkcja) wsparcie produkcji, monitoring i automatyzacja operacji (dla Tech Lead) mentoring oraz wsparcie techniczne zespołu Must Have (Senior) min. 6+ lat doświadczenia komercyjnego w Javie doświadczenie w systemach rozproszonych i mikroserwisach Spring Boot / Spring Cloud REST API design doświadczenie z chmurą (preferowana GCP ) Kubernetes praktyczna znajomość DevOps (Terraform / CI/CD) TDD i dobre praktyki inżynierskie (SOLID, DRY, KISS, YAGNI) samodzielność i gotowość pracy z infrastrukturą Must Have (Tech Lead) Wszystkie wymagania Senior + dodatkowo: silne doświadczenie architektoniczne obowiązkowe doświadczenie z GCP mentoring i prowadzenie techniczne zespołu zdolność podejmowania decyzji technologicznych Nice to Have doświadczenie w bankowości lub fintech Apache Beam / Flink Redis Jenkins / Ansible Oracle lub PostgreSQL Python Zespół i sposób pracy ok. 15 osób w Polsce (2 pody) współpraca z zespołami z Europy i Azji brak on-calli okazjonalnie wcześniejszy start (ok. 8:00) dla overlapu z Azją Agile / DevOps developerzy odpowiadają również za jakość i testy Model pracy: 📍 hybrydowy — biuro w Krakowie (zazwyczaj wtorek–środa) Zobacz, dlaczego warto być w j-labs! Dołączysz do firmy stworzonej przez inżynierów dla inżynierów , która istnieje na rynku od 15 lat. Obecnie zatrudniamy ponad 500 osób . j-labs to stabilność i długofalowa współpraca – około 25% załogi to osoby pracujące już ponad 5 lata! Możesz zmienić projekt – rób to co lubisz, rozwijaj swoje kompetencje, zdobywaj nowe. Robimy dobre IT albo wcale . Technologie, w których pracujemy to m.in . Java 17/21,  Spring, Hibernate, Mikroserwisy,  AWS/Azure/GSP/,  Terraform, Docker, Kubernetes,Kafka Eksperci przyciągają ekspertów - średnie doświadczenie naszych inżynierów wynosi 12 lat , a 30% zostaje zatrudnionych z polecenia . Stawiamy na knowledge sharing i rozwój . Organizujemy Talk4Devs, meet’upy , dajemy Ci przestrzeń do budowania swojej marki osobistej jako prelegent, czy prowadzenia własnych projektów, których rezultaty możesz przedstawiać m.in . na naszym blogu. Dołącz do Gildii Technologicznej l ub stwórz własną - nasze community zrzeszają specjalistów w obszarach : Java , Kotlin, .NET, Frontend, Management, DevOps, Quality Assurance Mamy zakodowane, że jest czas pracy i czas nie pracy, więc bardzo dbamy o to, aby work life balance został zachowany. Otrzymaliśmy w tym roku certyfikat Great Place to Work (aż 80% odpowiedzi w ankiecie dotyczącej różnych obszarów wybierało najwyższe noty, jesteśmy w pierwszej 10 firm z najlepszym wynikiem)

🏢 Summary: Senior Java Engineer role focused on developing and maintaining applications supporting financial operations and the trade lifecycle in investment banking. The position involves building high-quality, testable software, including streaming solutions, within a Scrum team and contributing to modernization of securities management systems. The role includes close collaboration with global teams and production support responsibilities. 🗂️ Requirements: 3+ years of experience with Java, Experience with Spring Framework and Spring Boot, Experience with Maven or Gradle, Experience working in Agile Scrum methodology, Knowledge of test-driven and behavior-driven development, Experience with unit and integration testing, Hands-on experience with SQL, Hands-on experience with Unix, Experience with CI/CD pipelines, Ability to refactor and improve legacy codebases 📃 Skills: Java, Spring, SpringBoot, Maven, Gradle, SQL, Unix, CICD, Scrum, TDD, BDD 🏢 Description: We are looking for a Senior Java Engineer to join a global team responsible for developing and maintaining a suite of applications that support financial operations and the trade lifecycle in the investment banking sector. In this role, you will contribute to the evolution of next-generation securities management systems, working closely with operations teams and business analysts to deliver solutions for diverse business needs. Our focus is on software craftsmanship — ensuring high quality and automation in everything we do, while always keeping business value in mind. If you're ready to make an impact in a dynamic environment, we want to hear from you! This role offers a hybrid model, with 3 days per week working from the client's office in Krakow, Poland. Responsibilities Develop new features and maintain the existing codebase Build streaming applications using Apache Flink Write unit, integration, and behavior tests Collaborate within a successful Scrum development team based on mutual respect Refine user requirements through behavior-driven development (BDD) Cooperate with other global IT teams Provide level 3 support, assisting the production operations team with rollouts and support-related matters Requirements Strong experience with Java programming (3+ years) Experience with the Spring stack (Spring Framework, Spring Boot) and build tools (Maven, Gradle) Clean coding and refactoring skills with strong problem-solving abilities Hands-on experience with Agile methodologies, particularly Scrum Awareness of test- and behavior-driven development Hands-on experience with SQL and Unix Experience with CI/CD Ability to improve legacy codebases and apply modern best practices to new projects Proactive attitude and comfort working in dynamic environments with fast-paced deliveries and changing requirements Excellent written and verbal communication skills in English (B2 level), and willingness to work as part of a global team Nice to have Experience with Apache Flink or other data streaming technologies Familiarity with monitoring and troubleshooting tools in production environments Experience working with large, distributed financial systems Knowledge of test and deployment automation tools 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.