Lead Java Developer (f/m/x)

🏢 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: 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 responsible for technical ownership of multiple client projects, focusing on backend system design, architecture, and high-quality delivery. The position combines active development with technical leadership in a dynamic, project-driven environment. Hybrid work model with strong influence on architectural decisions. 🗂️ Requirements: 5+ years of experience as Java Developer, 2+ years of experience as Tech Lead, Strong knowledge of Java and Spring Boot, Proven experience in designing scalable and maintainable systems, Experience in software house or consultancy environment, Strong understanding of backend architectures, Knowledge of backend development best practices 📃 Skills: Java, Spring, SpringBoot, Backend, Architecture, Design, Documentation 🏢 Description: Salary: 1400–1650 pln/md Work model: Hybrid work from Gdynia / Warsaw (2 days per week from the office) Why choose this offer? Real influence on technical decisions and system architecture Close cooperation with an experienced Delivery Manager / Architect Dynamic, project-driven environment with diverse challenges Project We are looking for an experienced Java Tech Lead to take ownership of the technical side of several projects delivered for external clients. The role is strongly hands-on and technical , focused on system design, technical leadership, and ensuring high-quality delivery within defined budgets and scopes. Requirements 5+ years of experience as a Java Developer 2 years of experience in a Tech Lead role Strong technical (Java+Spring Boot) and soft skills Proven ability to design scalable and maintainable systems Experience working in a software house / consultancy environment Very good understanding of backend architectures and development best practices Nice to have Experience with cloud platforms (from a developer perspective) Knowledge of modern infrastructure and deployment approaches Responsibilities Take technical ownership of multiple projects Design and architect end-to-end backend systems and solutions Supervise and ensure technical quality across projects Support project estimations, including effort, budget, and cost calculations Create and maintain technical designs and documentation Collaborate closely with delivery and business stakeholders Adapt to different client environments, expectations, and technical stacks Work on several projects simultaneously — multitasking is essential About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Tech Leader role in an international transformation program focused on modernizing core enterprise platforms across multiple countries. The position combines hands-on Java development with technical leadership, driving architecture decisions and ensuring high-quality delivery in an agile environment. You will design and evolve complex core systems while collaborating with cross-functional stakeholders. 🗂️ Requirements: 6+ years enterprise software development experience, Experience with complex core systems (configuration, integrations, business logic), Strong knowledge of Java and JVM ecosystem, Experience designing and implementing REST APIs, Strong SQL knowledge, Experience in Agile/Scrum environments, Ability to lead technical delivery and mentor developers, Understanding of clean code principles and design patterns, Fluent English 📃 Skills: Java, JVM, REST, SQL, Agile, Scrum 🏢 Description: About the role You will join an international technology team working on a large-scale transformation program focused on modernizing core business platforms across multiple countries. The team operates in an agile setup and is responsible for building and evolving critical systems that support key business processes. We are looking for a Tech Leader who combines strong hands-on engineering skills with the ability to drive technical decisions and ensure high-quality delivery. You will work closely with both business and technology stakeholders in a collaborative, cross-functional environment. Key responsibilities Lead technical delivery within the development team (hands-on + mentoring) Design and implement new features within a core enterprise platform Translate business requirements into scalable technical solutions Ensure high code quality, performance, and adherence to engineering best practices Collaborate with business analysts, testers, and stakeholders Maintain and enhance existing solutions Identify and reduce technical debt Actively participate in Scrum ceremonies and contribute to continuous improvement Create and maintain technical documentation Requirements 6+ years of experience in enterprise software development Experience working with complex core systems (configuration, integrations, business logic) Strong knowledge of: Java / JVM ecosystem REST APIs SQL Experience working in Agile/Scrum environments Proven ability to guide and mentor developers Solid understanding of clean code principles and design patterns Fluent English Nice to have Experience with large-scale, distributed systems Background in transformation or platform modernization projects Experience working in international environments What’s in it for you Participation in a large, international transformation program Work in a mature agile environment Real impact on architecture and platform evolution Collaboration with experienced teams across multiple locations Flexible form of cooperation: employment contract (UoP) or B2B

🏢 Summary: Offer for an experienced Java Tech Lead to oversee two development teams and drive architectural design and key technology decisions in a mixed monolithic and microservices environment. The role focuses on ensuring code quality, guiding best practices, and supporting system evolution in collaboration with technical and business stakeholders. Requires strong hands-on backend expertise and leadership in modern Java ecosystems. 🗂️ Requirements: Minimum 8+ years of experience with Java, Experience as Tech Lead or System Architect, Strong knowledge of Java, Spring, Spring Boot, Solid understanding of OOP principles and clean code, Experience with monolithic and microservices architectures, Experience building microservices and REST APIs, Experience with Docker and Kubernetes, Experience with CI/CD tools (GitHub, Bamboo, Jenkins), Knowledge of SQL and experience with databases, Ability to read technical documentation in English 📃 Skills: Java, Spring, SpringBoot, OOP, Microservices, REST, Docker, Kubernetes, GitHub, Bamboo, Jenkins, SQL, Databases, CICD 🏢 Description: Poszukujemy doświadczonej osoby na stanowisko Java Tech Lead , która będzie nadzorować pracę 2 zespołów deweloperskich oraz wspierać projektowanie architektury systemów oraz podejmowanie kluczowych decyzji technologicznych. Wymagania minimum 8+ lat doświadczenia w pracy z technologią Java doświadczenie w roli Tech Leada lub nice to have Architekta Systemowego bardzo dobra znajomość języków Java (Spring, Spring Boot) , oraz zasady programowania obiektowego i tworzenia czystego kodu praca w środowisku mieszanym, tj. aplikacji monolitycznej wraz elementami mikroserwisów doświadczenie w tworzeniu mikroserwisów i/lub usług typu REST API doświadczenie w osadzaniu aplikacji na Docker oraz Kubernetes doświadczenie w pracy z narzędziami CI/CD (GitHub, Bamboo, Jenkins) znajomość SQL oraz doświadczenie z pracą z bazami danych Nice to have: umiejętności korzystanialub chęci nauczenia się z narzędzi AI AssistanceCod znajomość języka angielskiego umożliwiająca czytanie dokumentacji technicznej znajomość metodyki Agile (Scrum) Obowiązki nadzorować pracę 2 zespołów deweloperskich od strony technicznej podejmowanie decyzji technologicznych oraz dbanie o jakość rozwiązań wsparcie zespołu w zakresie dobrych praktyk programistycznych oraz architektonicznych udział w analizie wymagań biznesowych oraz planowaniu rozwoju systemów współpraca z interesariuszami technicznymi i biznesowymi Oferujemy pracę w modelu hybrydowym (min 3 x w tygodniu z biura w centrum Warszawy) Kontrakt B2B z możliwością długoterminowej współpracy Prywatna opieka medyczna (Luxmed) KartaMultisport

🏢 Summary: Offer for an experienced Java Tech Lead responsible for leading two development teams and driving architectural design and key technology decisions in a mixed monolithic and microservices environment. The role focuses on backend development, system architecture, and maintaining high technical standards within Agile teams. It includes hands-on work with Java, microservices, containers, and CI/CD pipelines. 🗂️ Requirements: Minimum 8+ years of experience with Java, Experience in Tech Lead or System Architect role, Strong knowledge of Java and Spring/Spring Boot, Experience with microservices and REST API development, Experience working with monolithic and microservices architectures, Experience with Docker and Kubernetes, Experience with CI/CD tools, Knowledge of SQL and relational databases 📃 Skills: Java, Spring, SpringBoot, REST, Microservices, Docker, Kubernetes, CI/CD, GitHub, Bamboo, Jenkins, SQL, Agile, Scrum 🏢 Description: Poszukujemy doświadczonej osoby na stanowisko Java Tech Lead , która będzie nadzorować pracę 2 zespołów deweloperskich oraz wspierać projektowanie architektury systemów oraz podejmowanie kluczowych decyzji technologicznych. Wymagania minimum 8+ lat doświadczenia w pracy z technologią Java doświadczenie w roli Tech Leada lub nice to have Architekta Systemowego bardzo dobra znajomość języków Java (Spring, Spring Boot) , oraz zasady programowania obiektowego i tworzenia czystego kodu praca w środowisku mieszanym, tj. aplikacji monolitycznej wraz elementami mikroserwisów doświadczenie w tworzeniu mikroserwisów i/lub usług typu REST API doświadczenie w osadzaniu aplikacji na Docker oraz Kubernetes doświadczenie w pracy z narzędziami CI/CD (GitHub, Bamboo, Jenkins) znajomość SQL oraz doświadczenie z pracą z bazami danych Nice to have: umiejętności korzystanialub chęci nauczenia się z narzędzi AI AssistanceCod znajomość języka angielskiego umożliwiająca czytanie dokumentacji technicznej znajomość metodyki Agile (Scrum) Obowiązki nadzorować pracę 2 zespołów deweloperskich od strony technicznej podejmowanie decyzji technologicznych oraz dbanie o jakość rozwiązań wsparcie zespołu w zakresie dobrych praktyk programistycznych oraz architektonicznych udział w analizie wymagań biznesowych oraz planowaniu rozwoju systemów współpraca z interesariuszami technicznymi i biznesowymi Oferujemy pracę w modelu hybrydowym (min 1 x w tygodniu z biura w centrum Warszawy) Kontrakt B2B z możliwością długoterminowej współpracy Prywatna opieka medyczna (Luxmed) KartaMultisport

🏢 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: Technical leadership role focused on evolving and scaling a modular Java/Jakarta EE car-sharing platform, bridging engineering and company leadership. The position combines hands-on backend development, cloud infrastructure ownership, architecture decisions, and CI/CD optimization with team mentoring and operational responsibility. You will drive infrastructure improvements, security initiatives, and technical debt reduction while ensuring high availability and quality standards. 🗂️ Requirements: Several years of backend development experience with Java (Jakarta EE / Java EE / Spring) in production, Strong experience with Test-Driven Development (TDD), Proven experience as Tech Lead or Senior Engineer with team responsibility, Solid understanding of cloud infrastructure, ideally AWS (EC2, ECS, CloudWatch, S3), Experience with MongoDB or comparable NoSQL databases in production, Experience with CI/CD pipelines (GitLab CI, GitHub Actions, or similar), Ability to take ownership and deliver value independently 📃 Skills: Java, JakartaEE, Spring, AWS, EC2, ECS, CloudWatch, S3, MongoDB, NoSQL, GitLabCI, GitHubActions, TDD, Terraform, CloudFormation, React, ReactNative, Sentry, Crashlytics 🏢 Description: About Us We develop and operate an end-to-end platform for car sharing and vehicle rental, currently used by customers in Germany, Austria, and Spain. The platform is fully white-label capable and includes mobile apps, web applications, back-office tools, and integrations with telematics hardware, payment service providers, and KYC providers — all from a single, modular codebase. The backend is based on Java 17 / Jakarta EE 10 Payara , while the frontend is built with React / React Native . We are currently in a strategic growth phase and are now looking for an experienced technical leader to help shape the next stage of our development. The Role As Tech Lead , you will take on a central bridging role between Engineering and company leadership. You will work closely with the CTO, support them operationally, and ensure that the platform keeps pace with the company’s growth — both technically and organisationally. This position is designed for someone who can dive deep into the code while also keeping the bigger picture in mind. You are not afraid of a mature system with history — you see it as an opportunity. Technical Leadership & Architecture Further development and maintenance of the modular Java / Jakarta EE platform, including shared responsibility for architectural decisions Implementation of the identified infrastructure improvements: IaC Terraform / CloudFormation, multi-region setup, and disaster recovery plan Responsibility for implementing outstanding security measures Driving the migration of binary data from MongoDB to S3, as well as further technical debt reduction projects Evaluation and further development of the CI/CD pipelines GitLab CI and test coverage Processes & Team Organization Establishment of formal code review processes and consistent planning cycles within the development team Close collaboration with the CTO on the gradual handover of engineering and operational responsibilities Support in building a product management process aligned with customer requirements Mentoring of the junior frontend developer and support for the senior engineers Operations & Quality Shared responsibility for monitoring, alerting, and incident response AWS CloudWatch, Sentry, Crashlytics Automation of dependency vulnerability scanning within the CI pipeline Technical support for customer projects — from onboarding through to troubleshooting Must-Have Several years of experience in backend development with Java — Jakarta EE / Java EE / Spring — in production systems Strong experience with Test-Driven Development (TDD), as well as a strong quality mindset and interest in software craftsmanship Proven experience as a Tech Lead or Senior Engineer with team responsibility Solid understanding of cloud infrastructure, ideally AWS — EC2, ECS, CloudWatch, S3 Experience with MongoDB or comparable NoSQL databases in production environments Familiarity with CI/CD pipelines — GitLab CI, GitHub Actions, or similar — and modern deployment practices Hands-on mentality: you can deliver value immediately without requiring months of onboarding Nice-to-Have Knowledge of Infrastructure as Code — Terraform or CloudFormation Experience with React and/or React Native on the frontend Understanding of the mobility, car-sharing, or vehicle rental domains Experience in regulated environments or with GDPR compliance projects Knowledge of telematics hardware integrations or IoT-related systems Class B driving licence What We Offer One of the most technically impressive small platforms in the German mobility landscape — with real responsibility from day one Short decision-making paths and a high degree of freedom to shape things A well-established team with 5–10 years of shared platform history A modern tech stack: Java 17, Jakarta EE 10, React, React Native, GitLab CI/CD — without legacy burden 99.9% uptime — efficiency here is not an ambition, but a reality Hybrid working with an office in Berlin and flexible working hours Competitive salary, depending on experience and qualifications Active involvement in the strategic development of the company How to Apply We look forward to receiving your application — preferably including a short cover note, your CV, and, where relevant, references or GitHub projects. A formal cover letter is not required; we value genuine interest and technical depth more than formalities.

🏢 Summary: Lead the design and development of a modern, multi-tenant SaaS platform for energy markets, focusing on scalable multi-service architecture and high-quality backend solutions. The role combines hands-on Java development with architectural leadership, API and data modeling, security design, and DevOps practices. You will drive technical standards and leverage automation and AI to optimize delivery. 🗂️ Requirements: Advanced Java proficiency, Experience designing multi-service architecture, API design expertise, Data modeling skills, Integration strategy experience, Security assessment and threat analysis knowledge, Containerization experience (Docker or Kubernetes), CI/CD pipeline experience, Strong focus on code quality and automated testing, Experience with SQL (PostgreSQL preferred) 📃 Skills: Java, Microservices, Architecture, API, DataModeling, Security, Docker, Kubernetes, CICD, SQL, PostgreSQL, Quarkus, Hibernate, Liquibase, Lombok, ApacheCamel, Testing, Containerization, ThreatModeling, AI 🏢 Description: For our client we are looking for candidates for the position of Technical Lead Java (M/K). About the project: The goal is to build a modern, multi-tenant SaaS platform for energy markets. The platform enables clients to efficiently conduct transactions across multiple markets and geographic regions, offering high scalability, flexibility, and simplified operational management. Your Responsibilities: Lead iterative architecture design, including defining service boundaries, modeling data structures, designing APIs, and ensuring robust security through threat analysis Work closely with cross-regional teams to align technical solutions with business priorities Develop high-quality backend services Conduct code reviews and enforce best practices in software engineering Explore AI-driven approaches to optimize delivery Requirements: Advanced proficiency in Java Proven ability to design multi-service architecture, integration strategies, API design, data modeling, and security assessments Familiarity with containerization and deployment practices (e.g., Docker or Kubernetes) and CI/CD pipelines Strong focus on code quality, automated testing, and compliance with cybersecurity standards Ability to influence technical direction, promote best practices, and leverage AI and automation to improve delivery efficiency Excellent communication skills in English Committed to continuous improvement, innovation, and delivering high-quality solutions aligned with business goals Nice to have/ Preferred knowledge of the technologies below or similar ones: Experience with frameworks such as Quarkus, Hibernate, Liquibase, Lombok, and Apache Camel Strong experience in SQL (PostgreSQL preferred) Benefits: 70% coverage of developer copyright fees Training and certification budget Healthcare Life insurance

🏢 Summary: Senior Java Developer role focused on designing and implementing enterprise-grade backend solutions using modern architecture principles. The position emphasizes high code quality, performance, security, and collaboration within a distributed team. The role involves working with Java 17+, Spring ecosystem, databases, and event-driven systems. 🗂️ Requirements: Minimum 5 years of commercial software development experience, Very good knowledge of Java 17+, Strong understanding of object-oriented design patterns, Experience with Spring MVC and Spring Data, Experience with Apache Kafka, Ability to design relational and non-relational databases (MS SQL, Oracle, Elasticsearch, Redis), Knowledge of software engineering best practices, English proficiency for technical documentation, Ability to work effectively in a distributed team 📃 Skills: Java, Spring, SpringMVC, SpringData, Kafka, MSSQL, Oracle, Elasticsearch, Redis, OOP, UML, Docker, Kubernetes, Azure, JavaScript, React, Python 🏢 Description: We are looking for an experienced Senior Java Developer with at least 5 years of commercial experience to join a team working on enterprise-grade backend solutions. The role focuses on designing and implementing software in a modern architecture, with a strong emphasis on code quality, performance, security, and effective collaboration within a distributed team. Responsibilities Design and implement software using hexagonal architecture. Develop backend solutions using Java 17+ and the Spring ecosystem. Ensure high code quality and compliance with agreed development standards. Analyse system performance, security, and stability, and propose improvements. Design and optimise data structures for relational and non-relational databases. Collaborate with a distributed team, participate in technical analysis, code reviews, and solution design. Identify technical challenges and propose improvements to architecture and implementation. Requirements Minimum 5 years of commercial software development experience. Very good knowledge of Java 17+. Strong understanding of object-oriented design patterns and software engineering best practices. Experience with the Spring stack, especially Spring MVC and Spring Data. Knowledge of Apache Kafka. Ability to design databases: relational: MS SQL, Oracle, non-relational: Elasticsearch, Redis. English skills sufficient to work with technical documentation. Strong analytical and creative problem-solving skills. Excellent communication skills and ability to work effectively in a distributed team. Nice to have Knowledge of scripting/frontend technologies such as JavaScript, React, Python. Experience working in an Azure cloud environment. Familiarity with Kubernetes and Docker. Ability to design system architecture and prepare High-Level Design (HLD) documentation. Knowledge of UML and flow diagrams.