Engineering Team Lead (Java)

🏢 Summary: Offer for an experienced Java Tech Lead to lead a proven development team and design, build, and scale Java-based systems. The role combines technical leadership, architectural decision-making, and hands-on development with Spring Boot and microservices. Opportunity to join a project with your own established team and drive technical standards and quality. 🗂️ Requirements: 5–7+ years of experience with Java, Experience as Tech Lead or Senior with team responsibility, Proven experience building and leading development teams, Strong knowledge of Java and Spring Boot, Experience designing microservices and REST APIs, Ability to make architectural decisions, Experience with code review and setting coding standards 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, Architecture 🏢 Description: Szukamy doświadczonego Tech Leada Java , który nie tylko świetnie odnajduje się w roli lidera technicznego, ale także pracuje ze sprawdzonym, zgranym zespołem , z którym może wspólnie realizować projekty od pierwszego dnia. Zależy nam na osobach, które mają za sobą realne doświadczenie budowania i prowadzenia zespołów oraz chcą przenieść tę efektywność do nowego środowiska. Twoje zadania Prowadzenie zespołu developerskiego (architektura, code review, mentoring) Projektowanie i rozwój systemów opartych o Javę (Spring/Spring Boot) Współpraca z biznesem i interesariuszami Ustalanie standardów technicznych i dbanie o jakość kodu Skalowanie zespołu i procesów w projekcie Kogo szukamy Minimum 5–7 lat doświadczenia w Javie Doświadczenie w roli Tech Leada / Seniora z odpowiedzialnością zespołową Własny, sprawdzony zespół developerski, z którym chcesz kontynuować współpracę Bardzo dobra znajomość: Java, Spring Boot, mikroserwisy, REST Umiejętność podejmowania decyzji architektonicznych Komunikatywność i nastawienie na współpracę Co oferujemy Możliwość wejścia do projektu z własnym zespołem i realny wpływ na jego kształt Dużą autonomię techniczną i decyzyjność Stabilne, długoterminowe projekty Atrakcyjne wynagrodzenie i elastyczną formę współpracy Przyjazną kulturę pracy opartą na zaufaniu Dlaczego warto? Stawiamy na zespoły, które już się sprawdziły — wierzymy, że zgrana ekipa to największa wartość . Jeśli masz ludzi, z którymi dobrze Ci się pracuje i chcecie razem wejść w nowy projekt — to oferta dla Ciebie. 📩 Zainteresowany/a? Wyślij CV oraz krótką informację o swoim zespole (wielkość, kompetencje, doświadczenie).

🏢 Summary: Role for an experienced Project Tech Lead focused on leading Java and Spring Boot projects for the aviation industry. The position combines hands-on technical leadership, team coordination, microservices architecture design, and collaboration with architects and stakeholders in an Agile environment. Offers hybrid work, influence on technical decisions, and participation in complex large-scale projects. 🗂️ Requirements: Minimum 5 years of experience with Java, Minimum 5 years of experience with Spring Boot, Experience as Tech Lead or development team leader, Knowledge of microservices architecture, Experience with cloud solutions, Ability to plan, estimate, and report team work, Knowledge of software development lifecycle, Knowledge of Agile methodologies, Ability to make technical decisions, Ability to collaborate with stakeholders 📃 Skills: Java, Spring, SpringBoot, Microservices, Cloud, Agile 🏢 Description: Project Tech Lead (Java / Spring Boot) Dołącz do zespołu realizującego projekty o dużej skali i realnym wpływie dla klienta z branży lotniczej. Szukamy doświadczonego Project Tech Leada , który połączy kompetencje techniczne z umiejętnością prowadzenia zespołu. Jeśli masz doświadczenie w projektowaniu nowoczesnych rozwiązań opartych o Java i Spring Boot, potrafisz wspierać developerów oraz dbać o wysoką jakość dostarczanego oprogramowania – ta rola jest dla Ciebie. Twoje zadania Koordynowanie pracy zespołu technicznego w ramach realizowanych projektów. Planowanie prac, estymacja zadań oraz monitorowanie postępów zespołu. Zapewnianie wysokiej jakości implementacji zgodnej z wymaganiami biznesowymi i architektonicznymi. Wspieranie zespołu w rozwiązywaniu problemów technicznych oraz podejmowaniu decyzji projektowych. Współpraca z Architektem przy projektowaniu rozwiązań i wyborze technologii. Bieżąca komunikacja z Product Ownerem i interesariuszami w zakresie kwestii technicznych. Udział w code review, mentoringu oraz przygotowywaniu proof of concept. Nasze oczekiwania Minimum 5 lat doświadczenia w tworzeniu oprogramowania w technologiach Java i Spring Boot . Doświadczenie w roli Tech Leada lub lidera zespołu developerskiego. Bardzo dobra znajomość architektury mikroserwisowej oraz rozwiązań chmurowych. Umiejętność planowania, estymacji i raportowania prac zespołu. Znajomość procesu wytwarzania oprogramowania oraz metodyk Agile. Umiejętność podejmowania decyzji technicznych i skutecznej współpracy z różnymi interesariuszami. Oferujemy Stabilne zatrudnienie przy projektach o wysokim poziomie złożoności i znaczeniu. Pracę w modelu hybrydowym – 2 dni w tygodniu w biurze . Realny wpływ na rozwiązania techniczne oraz kierunek rozwoju projektu. Współpracę z doświadczonym zespołem specjalistów. Możliwości rozwoju zawodowego i udział w ambitnych przedsięwzięciach. Preferencyjne pakiety do wykupienia w programach Multisport oraz Lux Med . Przyjazną atmosferę pracy i dużą samodzielność w działaniu.

🏢 Summary: Hands-on Java Tech Lead role responsible for architecture, design, and delivery of scalable, business-critical distributed systems in a financial services environment. The position combines technical leadership with active development, driving architectural decisions, engineering standards, and CI/CD initiatives. You will lead a team to build resilient microservices-based solutions impacting core business processes. 🗂️ Requirements: 9+ years software engineering experience, Strong hands-on Java experience, Strong experience with Spring ecosystem, Experience designing large-scale distributed systems, Solid knowledge of microservices architecture, Experience with SQL databases, Experience with Hibernate, Experience with messaging systems, Experience building and maintaining CI/CD pipelines, Minimum 2+ years in technical leadership role, Proven experience leading engineering teams, Experience driving architectural decisions, Understanding of REST APIs and integration patterns, Experience with containerization technologies, Fluent English 📃 Skills: Java, Spring, SQL, Hibernate, Kafka, Microservices, CI/CD, Docker, Kubernetes, OpenShift, REST, Angular 🏢 Description: We are hiring on behalf of our client – a global financial services organization recognized for its premium service, deep domain expertise, and strong technology-driven approach. The company partners with clients, helping them solve complex challenges across investor services and capital markets. Their culture is built on collaboration, knowledge sharing, and empowering individuals to contribute beyond their immediate role. We are looking for a Java Tech Lead who will take ownership of the architecture, design, and delivery of business-critical applications forming the backbone of the company’s process ecosystem. This is a hands-on leadership role, combining technical depth with team leadership. You will guide engineers, shape architectural decisions, and build scalable, resilient systems that directly impact business operations. Key takeaways: Stack: Java, Spring, SQL, Hibernate, Kafka, microservices, CI/CD, Docker/Kubernetes Salary: 27 000 - 30 500 PLN gross on the Contract of Employment Working model : Hybrid - 3 days/week from the office Location: ul. Klimeckiego, Krakow Recruitment process : A call with MOTIFE Recruiter Technical Interview Behavioral Interview Responsibilities: Technical Leadership Lead and mentor a team of engineers, supporting their growth and development. Define and promote best practices in architecture, coding standards, and system design. Facilitate technical discussions and drive key architectural decisions. Architecture & System Design Design and build scalable distributed systems used by internal and external stakeholders. Own end-to-end architecture for low-code/no-code platforms and business process solutions. Ensure systems meet requirements for scalability, security, resiliency, and performance. Delivery & Engineering Excellence Oversee the development lifecycle, ensuring high-quality and timely delivery. Conduct code reviews and enforce engineering standards across the team. Identify risks and proactively address technical challenges. Collaboration & Stakeholder Management Partner with business stakeholders to translate requirements into technical solutions. Communicate effectively across technical and non-technical teams. Support hiring processes and contribute to building a strong engineering team. Innovation & Platform Evolution Drive adoption of modern tools, frameworks, and architectural patterns. Lead initiatives around automation, CI/CD pipelines, and engineering efficiency. Conduct technical research and recommend improvements to the technology stack. Requirements: Technical Expertise 9+ years of experience in software engineering (backend or full-stack). Strong hands-on experience with Java and Spring ecosystem. Proven experience designing large-scale distributed systems. Solid understanding of microservices architecture. Experience with SQL databases, Hibernate, and messaging systems (e.g., Kafka). Experience building and maintaining CI/CD pipelines. Leadership Experience Minimum 2+ years in a technical leadership role (Tech Lead / Architect). Proven track record of leading teams and driving architectural decisions. Experience mentoring engineers and supporting their career growth. Collaboration & Mindset Strong communication skills with fluent English. Comfortable working in Agile environments. Ability to balance hands-on work with leadership responsibilities. Domain & Additional Knowledge Understanding of enterprise integration patterns (REST APIs, queues, pub-sub). Familiarity with cloud platforms and containerization (Docker, Kubernetes, OpenShift). Exposure to frontend technologies (Angular is a plus). What we offer: Private medical care Life insurance Professional training and certification support Social fund benefits platform Stable employment with a long-term contract Apply now Take the next step in your career and lead the development of scalable, high-impact systems in a modern engineering environment! Please apply via our careers page and submit your CV in English.

🏢 Summary: Hands-on Java Tech Lead role focused on owning architecture, design, and delivery of business-critical distributed systems in a global financial services environment. The position combines technical leadership with active development, guiding engineers and driving architectural decisions across microservices-based platforms. Hybrid work model in Krakow with a long-term employment contract and competitive salary. 🗂️ Requirements: 9+ years of software engineering experience (backend or full-stack), Strong hands-on experience with Java and Spring, Experience designing large-scale distributed systems, Solid understanding of microservices architecture, Experience with SQL databases and Hibernate, Experience with messaging systems (Kafka), Experience building and maintaining CI/CD pipelines, Minimum 2+ years in a Tech Lead or Architect role, Proven experience leading teams and driving architectural decisions, Experience mentoring engineers, Fluent English, Experience working in Agile environments, Understanding of REST APIs, queues, and pub-sub patterns, Familiarity with Docker and Kubernetes or OpenShift 📃 Skills: Java, Spring, SQL, Hibernate, Kafka, Microservices, CI/CD, Docker, Kubernetes, OpenShift, REST, Angular 🏢 Description: We are hiring on behalf of our client – a global financial services organization recognized for its premium service, deep domain expertise, and strong technology-driven approach. The company partners with clients, helping them solve complex challenges across investor services and capital markets. Their culture is built on collaboration, knowledge sharing, and empowering individuals to contribute beyond their immediate role. We are looking for a Java Tech Lead who will take ownership of the architecture, design, and delivery of business-critical applications forming the backbone of the company’s process ecosystem. This is a hands-on leadership role, combining technical depth with team leadership. You will guide engineers, shape architectural decisions, and build scalable, resilient systems that directly impact business operations. Key takeaways: Stack: Java, Spring, SQL, Hibernate, Kafka, microservices, CI/CD, Docker/Kubernetes Salary: 27 000 - 30 500 PLN gross on the Contract of Employment Working model : Hybrid - 3 days/week from the office Location: ul. Klimeckiego, Krakow Recruitment process : A call with MOTIFE Recruiter Technical Interview Behavioral Interview Responsibilities: Technical Leadership Lead and mentor a team of engineers, supporting their growth and development. Define and promote best practices in architecture, coding standards, and system design. Facilitate technical discussions and drive key architectural decisions. Architecture & System Design Design and build scalable distributed systems used by internal and external stakeholders. Own end-to-end architecture for low-code/no-code platforms and business process solutions. Ensure systems meet requirements for scalability, security, resiliency, and performance. Delivery & Engineering Excellence Oversee the development lifecycle, ensuring high-quality and timely delivery. Conduct code reviews and enforce engineering standards across the team. Identify risks and proactively address technical challenges. Collaboration & Stakeholder Management Partner with business stakeholders to translate requirements into technical solutions. Communicate effectively across technical and non-technical teams. Support hiring processes and contribute to building a strong engineering team. Innovation & Platform Evolution Drive adoption of modern tools, frameworks, and architectural patterns. Lead initiatives around automation, CI/CD pipelines, and engineering efficiency. Conduct technical research and recommend improvements to the technology stack. Requirements: Technical Expertise 9+ years of experience in software engineering (backend or full-stack). Strong hands-on experience with Java and Spring ecosystem. Proven experience designing large-scale distributed systems. Solid understanding of microservices architecture. Experience with SQL databases, Hibernate, and messaging systems (e.g., Kafka). Experience building and maintaining CI/CD pipelines. Leadership Experience Minimum 2+ years in a technical leadership role (Tech Lead / Architect). Proven track record of leading teams and driving architectural decisions. Experience mentoring engineers and supporting their career growth. Collaboration & Mindset Strong communication skills with fluent English. Comfortable working in Agile environments. Ability to balance hands-on work with leadership responsibilities. Domain & Additional Knowledge Understanding of enterprise integration patterns (REST APIs, queues, pub-sub). Familiarity with cloud platforms and containerization (Docker, Kubernetes, OpenShift). Exposure to frontend technologies (Angular is a plus). What we offer: Private medical care Life insurance Professional training and certification support Social fund benefits platform Stable employment with a long-term contract Apply now Take the next step in your career and lead the development of scalable, high-impact systems in a modern engineering environment! Please apply via our careers page and submit your CV in English.

🏢 Summary: Senior Java Tech Lead role focused on leading backend development, defining technical architecture, mentoring engineers, and delivering scalable microservices solutions in an Agile environment. The position combines hands-on Java development with technical leadership, code quality oversight, and collaboration with stakeholders. Experience with Spring, Oracle SQL, distributed systems, and backend security is required. 🗂️ Requirements: Experience leading technical teams, Strong Java 11-25 expertise, Advanced knowledge of memory management, Advanced knowledge of concurrency, JDBC experience, Experience with Spring Boot, Experience with JPA, Experience with Hibernate, RDBMS knowledge, Oracle SQL development, Query optimization skills, Microservices architecture knowledge, Asynchronous messaging experience, REST API development, OpenAPI knowledge, API-First approach experience, Git proficiency, Maven proficiency, Backend security knowledge, Unit testing experience, Integration testing experience, Fluent English 📃 Skills: Java, JDBC, Spring, SpringBoot, JPA, Hibernate, Oracle, SQL, Microservices, REST, OpenAPI, Swagger, Git, Maven, Kubernetes, Ansible, OpenSearch, Jenkins, SonarQube 🏢 Description: Java Tech Lead We are looking for a seasoned Java Developer with natural leadership qualities. In this role, you won't just write clean, scalable code—you will champion the technical direction, unblock your engineering team, and act as a bridge between technical execution and business vision. Key Responsibilities Technical Leadership: Spearhead architectural and solutioning discussions with stakeholders to map out the best technical paths. Team Empowerment: Actively remove bottlenecks within the delivery pipeline and mentor team members to help elevate their technical skills. Quality Assurance: Guard technical standards, ensuring all deliverables align with security benchmarks, code quality metrics, and engineering best practices. Backend Development: Drive hands-on development across multiple applications, tackling both brand-new greenfield projects and the evolution of existing systems. Collaboration & Process: Drive proactive technical analysis, conduct thorough code reviews, and actively participate in Scrum ceremonies. Requirements Leadership & Soft Skills: Exceptional communication and coordination skills. Proven ability to identify the technical critical path and take decisive steps to ensure successful delivery. A strong sense of ownership, multitasking abilities, and a highly proactive, self-sufficient mindset. Technical Expertise: Strong command of Java (from version 11 up to 25) and advanced concepts, including memory management, concurrency, and JDBC. Extensive experience with the Spring ecosystem (Spring Boot 2 to 4) and JPA/Hibernate . Solid RDBMS experience, with a specific focus on Oracle SQL development and query optimization . Deep understanding of microservices architecture , asynchronous messaging systems, and web communication ( REST, OpenAPI/Swagger, and API-First approach ). Everyday proficiency with Git and Maven . Sound knowledge of backend security practices and a commitment to writing clean, high-coverage unit and integration tests. Fluency in English (both written and spoken). Nice to Have Hands-on experience with cloud-native and infrastructure tools like Kubernetes , Ansible , or OpenSearch . Familiarity with build and deployment automation ( CI/CD via Jenkins, SonarQube ). Experience implementing automated testing frameworks. Past involvement in high-level technical architecture and design. Experience working within geographically distributed, international teams.

🏢 Summary: Senior Java Developer role in an agile, international team focused on designing and building cloud-based backend and fullstack solutions. The position involves architecting scalable systems, ensuring high code quality, and contributing to CI/CD and DevOps practices. The role also includes technical leadership and collaboration with cross-functional teams to deliver secure, high-performance applications. 🗂️ Requirements: Expert knowledge of Java for backend and fullstack development, Experience architecting cloud-based SaaS solutions, Proficiency in automated testing and CI/CD pipelines, Experience with version control systems, Ability to deliver secure and scalable code, Bachelor’s degree in Computer Science, Engineering or related field with 5+ years of experience OR 9+ years of relevant industry experience 📃 Skills: Java, SaaS, CI/CD, Git, AWS, GCP, Azure, Docker, Kubernetes, TypeScript, Python 🏢 Description: About the Role: We are looking for a Senior Java Developer to join an agile, international engineering team working on cloud-based solutions serving diverse industries. As a technical leader, you will design, build, and maintain robust backend and fullstack systems, impacting both product performance and business outcomes. Must Have Expert knowledge of Java (backend/fullstack web development) Experience architecting cloud-based solutions (SaaS platforms or similar) Proficiency in automated testing, deployment pipelines, version control, and CI/CD practices Strong command of English for daily teamwork in multicultural environments Demonstrated ability to deliver secure, scalable, high-quality code Bachelor’s degree in Computer Science, Engineering, or related field with 5+ years of professional experience, OR 9+ years’ relevant industry experience (without degree) Nice to Have Exposure to other technologies (TypeScript, Python, etc.) Experience working with multiple data models and integrating acquired codebases Previous engagement in Agile/Scrum teams (sprint planning, retrospectives, hackathons) Background in industries like energy, IoT, finance, or regulated environments Familiarity with modern cloud platforms (AWS, GCP, Azure) and DevOps practices (Docker, Kubernetes) Your Profile Tech Enthusiast: Keen to learn and apply emerging technologies and best practices Analytical Thinker: Able to define requirements and design effective solutions to complex challenges Product Mindset: Understands how technical decisions influence user experience and business drivers Team Player: Works well in autonomous, distributed teams and supports collaborative engineering culture Key Responsibilities Design and develop Java-based backend and fullstack features for cloud-based applications Contribute to scalable, unified system architectures and help integrate diverse platforms and technologies Write and maintain high-performance, secure code and automated tests to ensure product quality Participate in sprint planning, code reviews, retrospectives, and technical discussions Work closely with product managers and business stakeholders to align technical development with commercial goals Mentor junior engineers and promote continuous improvement in team processes Ready for your next challenge? Send your CV detailing your experience in Java, cloud technologies, and agile teams. Tell us about your approach to system architecture and cross-team collaboration!

🏢 Summary: Hybrid Java Tech Lead role in Warsaw focused on leading backend development, driving architectural decisions, and delivering secure, scalable enterprise applications using Java and Spring Boot. The position combines hands-on engineering with technical leadership, mentoring, and collaboration across Agile teams. Candidates will work on mission-critical systems while improving software quality and delivery processes. 🗂️ Requirements: 7+ years of Java backend development experience, Experience as Tech Lead or technical initiative leader, Core Java expertise, Spring Framework experience, JPA and Hibernate experience, Oracle database and SQL optimization knowledge, REST API development experience, Microservices architecture knowledge, Git proficiency, Maven proficiency, Scrum experience, Backend security knowledge, Unit and integration testing experience, Fluent English 📃 Skills: Java, Spring, SpringBoot, JDBC, Hibernate, JPA, Oracle, SQL, REST, OpenAPI, Swagger, Microservices, Git, Maven, Scrum, Kubernetes, OpenSearch, Ansible, Jenkins, Sonar 🏢 Description: Empower innovative software solutions — shape the future of Java development! Warszawa-based opportunity with hybrid work model (up to 4 remote days per week) As a Java Tech Lead within our client's software development team, you will be working for a leading industry innovator delivering mission-critical enterprise applications. You will combine hands-on backend development with technical leadership, driving architectural decisions, mentoring developers, and ensuring engineering excellence across multiple applications. Working closely with stakeholders and Agile teams, you will remove delivery blockers, define technical direction, and build secure, scalable Java solutions that support long-term business growth and operational efficiency. Your main responsibilities: Lead technical solution discussions with business and engineering stakeholders Define technical direction and critical delivery paths for development initiatives Mentor developers and support the team's technical growth Ensure high-quality, secure and maintainable software aligned with engineering best practices Develop and maintain backend applications using Java and Spring Boot Perform code reviews and drive continuous code quality improvements Participate in technical analysis, architecture discussions and solution design Remove technical blockers and support efficient delivery across the development pipeline Participate in Scrum ceremonies and collaborate closely with cross-functional teams Take ownership of technical decisions and proactively identify improvement opportunities You're ideal for this role if you have: At least 7 years of experience in Java backend development Experience acting as a Tech Lead or leading technical initiatives within development teams Strong expertise in Core Java (Java 11–25), including JDBC, concurrency and memory management Solid experience with Spring Framework (Spring Boot 2–4) Experience with JPA (Hibernate) and Oracle databases, including SQL optimization Knowledge of messaging systems, REST APIs, OpenAPI (Swagger) and API First approach Strong understanding of microservices architecture, Git, Maven and Scrum Good understanding of backend security principles and software quality practices Experience writing high-quality unit and integration tests Fluent English It is a strong plus if you have: Experience with Kubernetes Experience with OpenSearch Experience with Ansible Experience with Jenkins, Sonar or other build and deployment automation tools Experience working in geographically distributed engineering teams Experience participating in technical architecture and solution design

🏢 Summary: Java Tech Lead role focused on leading backend development and technical direction for enterprise applications in a hybrid work model. The position combines hands-on Java and Spring Boot development with architecture, mentoring, code quality, and Agile collaboration responsibilities. Candidates will work on secure, scalable microservices solutions while supporting engineering excellence and delivery efficiency. 🗂️ Requirements: 7+ years of Java backend development experience, Experience as Tech Lead or technical initiative lead, Core Java expertise, Spring Framework and Spring Boot experience, JPA and Hibernate knowledge, Oracle and SQL optimization experience, REST API development experience, OpenAPI knowledge, Microservices architecture knowledge, Git proficiency, Maven proficiency, Scrum experience, Backend security knowledge, Unit and integration testing experience, Fluent English 📃 Skills: Java, Spring, SpringBoot, JDBC, JPA, Hibernate, Oracle, SQL, REST, OpenAPI, Swagger, Microservices, Git, Maven, Scrum, Kubernetes, OpenSearch, Ansible, Jenkins, Sonar 🏢 Description: Empower innovative software solutions — shape the future of Java development! Warszawa-based opportunity with hybrid work model (up to 4 remote days per week) As a Java Tech Lead within our client's software development team, you will be working for a leading industry innovator delivering mission-critical enterprise applications. You will combine hands-on backend development with technical leadership, driving architectural decisions, mentoring developers, and ensuring engineering excellence across multiple applications. Working closely with stakeholders and Agile teams, you will remove delivery blockers, define technical direction, and build secure, scalable Java solutions that support long-term business growth and operational efficiency. Your main responsibilities: Lead technical solution discussions with business and engineering stakeholders Define technical direction and critical delivery paths for development initiatives Mentor developers and support the team's technical growth Ensure high-quality, secure and maintainable software aligned with engineering best practices Develop and maintain backend applications using Java and Spring Boot Perform code reviews and drive continuous code quality improvements Participate in technical analysis, architecture discussions and solution design Remove technical blockers and support efficient delivery across the development pipeline Participate in Scrum ceremonies and collaborate closely with cross-functional teams Take ownership of technical decisions and proactively identify improvement opportunities You're ideal for this role if you have: At least 7 years of experience in Java backend development Experience acting as a Tech Lead or leading technical initiatives within development teams Strong expertise in Core Java (Java 11–25), including JDBC, concurrency and memory management Solid experience with Spring Framework (Spring Boot 2–4) Experience with JPA (Hibernate) and Oracle databases, including SQL optimization Knowledge of messaging systems, REST APIs, OpenAPI (Swagger) and API First approach Strong understanding of microservices architecture, Git, Maven and Scrum Good understanding of backend security principles and software quality practices Experience writing high-quality unit and integration tests Fluent English It is a strong plus if you have: Experience with Kubernetes Experience with OpenSearch Experience with Ansible Experience with Jenkins, Sonar or other build and deployment automation tools Experience working in geographically distributed engineering teams Experience participating in technical architecture and solution design

🏢 Summary: Hybrid Java Tech Lead role focused on leading backend development, defining technical architecture, and delivering secure, scalable enterprise applications using Java and Spring Boot. The position combines hands-on coding with mentoring, code quality oversight, and collaboration with Agile teams and stakeholders. Candidates will drive technical decisions and support long-term software delivery and operational efficiency. 🗂️ Requirements: 7+ years of Java backend development experience, Experience as Tech Lead or technical initiative lead, Core Java expertise, Spring Framework experience, JPA and Hibernate experience, Oracle and SQL optimization experience, REST API development knowledge, Microservices architecture knowledge, Git proficiency, Maven proficiency, Scrum experience, Unit and integration testing experience, Backend security knowledge, Fluent English 📃 Skills: Java, Spring, SpringBoot, JDBC, Concurrency, JPA, Hibernate, Oracle, SQL, REST, OpenAPI, Swagger, Microservices, Git, Maven, Scrum, Kubernetes, OpenSearch, Ansible, Jenkins, Sonar 🏢 Description: Empower innovative software solutions — shape the future of Java development! Warszawa-based opportunity with hybrid work model (up to 4 remote days per week) As a Java Tech Lead within our client's software development team, you will be working for a leading industry innovator delivering mission-critical enterprise applications. You will combine hands-on backend development with technical leadership, driving architectural decisions, mentoring developers, and ensuring engineering excellence across multiple applications. Working closely with stakeholders and Agile teams, you will remove delivery blockers, define technical direction, and build secure, scalable Java solutions that support long-term business growth and operational efficiency. Your main responsibilities: Lead technical solution discussions with business and engineering stakeholders Define technical direction and critical delivery paths for development initiatives Mentor developers and support the team's technical growth Ensure high-quality, secure and maintainable software aligned with engineering best practices Develop and maintain backend applications using Java and Spring Boot Perform code reviews and drive continuous code quality improvements Participate in technical analysis, architecture discussions and solution design Remove technical blockers and support efficient delivery across the development pipeline Participate in Scrum ceremonies and collaborate closely with cross-functional teams Take ownership of technical decisions and proactively identify improvement opportunities You're ideal for this role if you have: At least 7 years of experience in Java backend development Experience acting as a Tech Lead or leading technical initiatives within development teams Strong expertise in Core Java (Java 11–25), including JDBC, concurrency and memory management Solid experience with Spring Framework (Spring Boot 2–4) Experience with JPA (Hibernate) and Oracle databases, including SQL optimization Knowledge of messaging systems, REST APIs, OpenAPI (Swagger) and API First approach Strong understanding of microservices architecture, Git, Maven and Scrum Good understanding of backend security principles and software quality practices Experience writing high-quality unit and integration tests Fluent English It is a strong plus if you have: Experience with Kubernetes Experience with OpenSearch Experience with Ansible Experience with Jenkins, Sonar or other build and deployment automation tools Experience working in geographically distributed engineering teams Experience participating in technical architecture and solution design

🏢 Summary: Rola Engineering Tech Leada w projekcie tworzącym produkcyjne systemy Generative AI, Agentic AI i LLM do przeciwdziałania przestępczości finansowej. Stanowisko łączy przywództwo techniczne, architekturę oraz rozwój aplikacji Java/Spring Boot z budową i operacjonalizacją rozwiązań AI. 🗂️ Requirements: Minimum 6 lat komercyjnego doświadczenia w tworzeniu oprogramowania, Doświadczenie jako Tech Lead, Lead Developer lub Senior Engineer w roli lidera technicznego, Bardzo dobra znajomość Java i Spring Boot, Doświadczenie w projektowaniu i budowie aplikacji produkcyjnych, Praktyczna znajomość architektury mikroserwisowej i systemów event-driven, Dobra znajomość React, Doświadczenie z PostgreSQL i Redis, Doświadczenie z Kafka lub inną platformą messagingową, Doświadczenie w budowie i wdrażaniu produkcyjnych rozwiązań LLM, Praktyczna znajomość Prompt Engineering w środowisku produkcyjnym, Doświadczenie z Agentic AI, tool calling, workflowami multi-agent i systemami memory-augmented, Znajomość monitoringu, ewaluacji i guardrails dla systemów AI, Doświadczenie z Kubernetes, Helm, Kustomize, HPA i RBAC, Znajomość Terraform, Doświadczenie z AWS, Azure lub GCP, Doświadczenie z CI/CD, Język angielski na poziomie minimum B2, Język polski na poziomie minimum B2, Gotowość do pracy hybrydowej, 2 dni w tygodniu w biurze w Krakowie 📃 Skills: Java, Spring, React, PostgreSQL, Redis, Kafka, Kubernetes, Helm, Kustomize, Terraform, GitHub, GitLab, Jenkins, AWS, Azure, GCP, PromptFlow, LangSmith, Braintrust, LLM, AgenticAI, CI/CD, HPA, RBAC 🏢 Description: Dołącz do projektu, w którym budujemy nowoczesne rozwiązania wykorzystujące Generative AI, Agentic AI oraz duże modele językowe (LLM). Będziesz mieć realny wpływ na kierunek technologiczny produktu, architekturę rozwiązania oraz sposób wykorzystania AI w procesach biznesowych związanych z przeciwdziałaniem przestępczości finansowej. To nie jest klasyczna rola Java Tech Leada ani stanowisko AI Research Engineera. Szukamy osoby, która potrafi projektować i rozwijać produkcyjne systemy AI, łącząc najlepsze praktyki software engineeringu z nowoczesnymi rozwiązaniami opartymi o LLM. Stack technologiczny • Java 17+ • Spring Boot • React • PostgreSQL • Redis • Kafka • Kubernetes • Helm • Terraform • GitHub Actions • GitLab CI • Jenkins • AWS • Azure • GCP • PromptFlow • LangSmith • Braintrust • LLM • Agentic AI Zadania w projekcie Jako Engineering Tech Lead będziesz odpowiadać za: • Projektowanie i rozwój aplikacji produkcyjnych opartych o Java i Spring Boot • Budowę rozwiązań wykorzystujących Generative AI oraz LLM • Tworzenie i optymalizację promptów dla zastosowań produkcyjnych • Projektowanie agentów AI oraz wieloagentowych workflowów • Podejmowanie decyzji architektonicznych • Rozwój środowisk Kubernetes i praktyk DevOps • Budowę oraz utrzymanie procesów CI/CD • Implementację monitoringu, ewaluacji i observability dla systemów AI • Współpracę z Product Ownerami, biznesem i ekspertami domenowymi • Mentoring oraz wsparcie rozwoju innych inżynierów Wymagania • Minimum 6 lat doświadczenia komercyjnego w obszarze tworzenia oprogramowania • Doświadczenie w pracy jako Tech Lead, Lead Developer lub Senior Engineer pełniący rolę lidera technicznego • Bardzo dobra znajomość Java oraz Spring Boot • Doświadczenie w projektowaniu i budowie aplikacji produkcyjnych • Praktyczna znajomość architektury mikroserwisowej i systemów event-driven • Dobra znajomość React • Doświadczenie z PostgreSQL i Redis • Doświadczenie z Kafka lub innymi platformami messagingowymi • Doświadczenie w budowie i wdrażaniu produkcyjnych rozwiązań opartych o LLM • Praktyczna znajomość Prompt Engineering w środowisku produkcyjnym • Doświadczenie z Agentic AI, tool calling, multi-agent workflows oraz memory-augmented systems • Znajomość mechanizmów monitoringu, ewaluacji i guardrails dla systemów AI • Doświadczenie z Kubernetes (Helm, Kustomize, HPA, RBAC) • Znajomość Terraform • Doświadczenie z przynajmniej jedną chmurą: AWS, Azure lub GCP • Doświadczenie z CI/CD • Znajomość języka angielskiego (minimum B2) oraz języka polskiego (B2) • Otwartość na pracę w modelu hybrydowym: 2 razy w tygodniu praca w biurze w Krakowie