Senior Java Developer with Kafka

🏢 Summary: Opportunity for a Senior/Strong Mid Java Developer to design and build high-performance APIs and integrations connecting core systems with global brokers. The role focuses on developing scalable microservices architecture, managing high-traffic applications, and ensuring robust CI/CD practices. You will drive strategic system integrations and contribute to modernizing infrastructure for global scale. 🗂️ Requirements: 5+ years of Java experience, Strong knowledge of Spring and Hibernate, Experience designing REST APIs, Proficiency with SQL and relational databases, Experience with Maven in large-scale projects, Understanding of microservices architecture, Knowledge of design patterns, Experience with CI/CD tools, Ability to work with Java 8/17/21, English and Polish communication skills 📃 Skills: Java, Spring, Hibernate, SQL, REST, Maven, Git, TeamCity, Microservices, React, Kafka 🏢 Description: Take ownership of our platform's expansion by building high-performance bridges between our core systems and global external brokers. We are looking for a developer who combines deep Java expertise with an architectural mindset. Your Impact: Strategic Integrations: Design and build high-quality Java 8/17/21 APIs from scratch to enable seamless, scalable connectivity with international partners and brokers. Architecture Evolution: Contribute to modern, service-oriented designs using microservices to ensure our infrastructure is resilient and ready for global scaling. Data Mastery: Manage high-traffic applications using Spring, Hibernate, and SQL, ensuring peak performance and data consistency. Modern Engineering: Drive excellence via Git, Maven, and TeamCity, upholding high standards for CI/CD, clean code, and documentation. Full-Stack Awareness: Use your React knowledge to design user-centric APIs that are practical and easy for both internal and external teams to consume. Global Synergy: Collaborate across international borders, communicating effectively in both Polish and English to ensure smooth project delivery. What Supports Your Success: Experience: 5+ years of Java expertise (Senior or strong Mid+) with deep Spring & Hibernate knowledge. Technical Core: Mastery of REST API design, SQL, and large-scale Maven applications. Architectural Flair: Solid understanding of design patterns and microservices. Bonus Points: Experience with Apache Kafka, DDD/Hexagonal architecture, or migrating monoliths to microservices. Domain: Previous experience in Fintech is a significant plus.

🏢 Summary: Remote B2B offer for an experienced Java Developer to design and build scalable REST APIs and broker integrations using Spring-based technologies within a microservices architecture. The role focuses on high-quality API development, SQL database management, and system design in a Scrum team. The position involves international collaboration and participation in architecture and integration initiatives. 🗂️ Requirements: Minimum 5 years of experience with Java (8/17/21), Strong knowledge of Spring Framework, Strong knowledge of Hibernate, Experience with REST API design and development, Experience with microservices architecture, Strong SQL and relational database expertise, Knowledge of architectural and design patterns, Experience with Git, Experience with TeamCity, Polish proficiency, English proficiency 📃 Skills: Java, Spring, Hibernate, SQL, REST, Microservices, Git, TeamCity, Maven, Scrum, RelationalDatabases, DesignPatterns 🏢 Description: Work model: remote, visit in the office once a quater in Warszawa Rate: up to 150 PLN/h (B2B contract) We are looking for a motivated Java Developer to join our team focused on building and evolving API integrations with external brokers. The ideal candidate will possess a strong background in Java, Spring-based technologies, and a deep understanding of systems integration and microservices architecture. You will contribute significantly to developing high-quality, maintainable APIs that enable seamless integration with various partners across multiple international markets. We work in a cross-functional team utilizing Scrum methodology. Main Responsibilities Design and build high-quality APIs using Java (8/17/21) and Spring-based technologies, ensuring scalability and maintainability. Develop and enhance broker integrations, contributing to business growth and market expansion. Contribute to modern service-oriented architecture design applying microservices knowledge. Manage SQL databases and ensure data consistency and reliability in applications. Utilize tools like Git, Maven, and TeamCity for continuous integration and code delivery. Collaborate on frontend API usability to ensure practical and well-structured solutions. Communicate effectively in Polish and English to facilitate international collaboration. Key Requirements At least 5 years of experience with Java (8/17/21 ) Deep knowledge of the Spring Framework and Hibernate. Strong SQL and relational database expertise. Strong problem-solving skills and proactive attitude. Experience in clean REST API design and development. Familiarity with microservices architecture. Knowledge of architectural and design patterns. Experience with Git and TeamCity. Polish and English proficiency. Nice to Have Experience with React for effective collaboration with frontend developers. Experience with large-scale applications using Maven. Knowledge of Apache Kafka. Experience with Domain-Driven Design (DDD) or Hexagonal architecture. Experience in decoupling monolithic applications. Background in the fintech industry. Recruitment process: 1. Live coding session 2. System design session 3. HR interview

🏢 Summary: The offer is for an experienced Java Developer to design, develop, and maintain scalable backend systems and microservices in an international, hybrid work environment. The role focuses on building high-performance, secure enterprise applications, contributing to architecture decisions, and supporting CI/CD and DevOps practices. It is suited for engineers experienced in modern Java ecosystems and distributed systems. 🗂️ Requirements: Commercial experience in Java software development, Strong knowledge of Java and Spring Boot, Experience building RESTful APIs and microservices, Knowledge of Spring Framework, Hibernate, and JPA, Experience with relational databases (Oracle or PostgreSQL), Understanding of software design principles and application architecture, Experience with Git, Familiarity with Docker and CI/CD tools, Experience working in Agile (Scrum/Kanban) environments 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, Oracle, PostgreSQL, Git, Docker, CICD, Agile, Scrum, Kanban 🏢 Description: 📍 Location: Kraków (Hybrid – 6–8 days per month in the office) 📄 Contract Type: B2B / Employment Contract 🌍 International Environment About the Role We are looking for an experienced Java Developer to join a dynamic team delivering scalable, enterprise-grade solutions. You will be involved in designing, developing, and maintaining modern backend systems, contributing to architecture decisions, and building robust applications that support critical business processes. This is an excellent opportunity for engineers who enjoy working with modern technologies, microservices, cloud-ready solutions, and high-performance distributed systems. Responsibilities Design, develop, and maintain scalable backend applications and microservices using Java technologies. Build and enhance secure, reliable, and high-performing APIs. Participate in system architecture and technical design discussions. Develop high-quality, maintainable, and well-tested code. Collaborate with cross-functional teams to deliver business-critical solutions. Troubleshoot, analyze, and resolve application and production issues. Perform code reviews and contribute to engineering best practices. Support application performance, scalability, and reliability initiatives. Participate in Agile ceremonies, including sprint planning, refinement, and retrospectives. Contribute to CI/CD processes and DevOps practices. Requirements Commercial experience in software development using Java. Strong knowledge of Java and Spring Boot. Experience building RESTful APIs and microservice-based applications. Good understanding of Spring Framework, Hibernate, and JPA. Experience working with relational databases such as Oracle or PostgreSQL. Familiarity with NoSQL databases is a plus. Understanding of software design principles and application architecture. Experience with Git and modern software development practices. Familiarity with Docker and CI/CD tools. Experience working in Agile environments (Scrum/Kanban). Strong analytical and problem-solving skills. Good communication skills and ability to work collaboratively within a team. Nice to Have Experience with cloud platforms such as AWS, Azure, or GCP. Knowledge of Kubernetes and container orchestration. Exposure to frontend technologies such as React, Angular, or JavaScript. Experience with event-driven architectures and messaging systems. Understanding of security best practices in software development. What We Offer Opportunity to work on modern, large-scale enterprise solutions. Long-term projects in an international environment. Flexible hybrid working model. Exposure to modern technologies, cloud solutions, and microservices architecture. Professional growth opportunities and access to technical challenges. Collaborative culture focused on quality, innovation, and continuous improvement. Employment contract or B2B cooperation model.

🏢 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: Opportunity for a Senior or Mid Java Developer to join a long-term transformation programme modernising a global Collateral & Margining platform within an investment banking environment. The role focuses on building and supporting microservices-based solutions using modern Java and cloud-native technologies in an Agile/DevOps setup. You will contribute across the full SDLC, from design and development to production support, on a mission-critical system used globally. 🗂️ Requirements: Strong experience with Java 17/21, Experience with Spring Boot and microservices architecture, Knowledge of PostgreSQL, Experience with DevSecOps pipelines, Experience working in Agile and/or DevOps environments, Strong TDD practice using JUnit and Cucumber, Experience delivering complex systems to production, Ability to design scalable technical solutions from functional requirements 📃 Skills: Java, Spring, SpringBoot, SpringCloud, PostgreSQL, Microservices, REST, MQ, Solace, Ansible, Angular, TypeScript, HTML5, JUnit, Cucumber, Redis, Hazelcast, Coherence, GCP, AWS, GitHubCopilot 🏢 Description: Senior Java Developer – Global Investment Banking Platform (Kraków) B2B | Hybrid – 6 days per month in the office | 1300-1500 PLN | 1500 – 1800 PLN A global investment bank is expanding its engineering hub in Kraków and is looking for an experienced Senior and Mid Level Java Developers 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, REST APIs, Message Queues, Ansible, and modern open‑source infrastructure. Role Overview As a 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 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: Mid-Level Java Microservices Developer role focused on building AI-enabled, enterprise-grade banking microservices within a next-generation financial platform. The position involves designing, developing, and securing scalable Java-based solutions using cloud and CI/CD practices. It combines microservices engineering with AI-driven and cloud-native technologies in a regulated financial environment. 🗂️ Requirements: 4–8 years of experience building Java microservices in enterprise environments, Strong experience with Spring Boot, Proficiency in RDBMS (Oracle or PostgreSQL) including schema design and performance tuning, Experience with unit and integration testing frameworks, Hands-on experience with CI/CD tools (Jenkins or GitLab), Strong knowledge of RESTful APIs and event-driven architecture, Experience working with GCP cloud platform, Understanding of GenAI, LLMs, and RAG/agent governance patterns, Fluent English, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Oracle, PostgreSQL, SQL, JUnit, Mockito, Testcontainers, Jenkins, GitLab, REST, Microservices, GCP, GenAI, LLM, RAG, Kubernetes, Docker, CI/CD 🏢 Description: Unleash the future of financial technology — engineer AI-enabled microservices that redefine banking excellence! Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Mid-Level Java Microservices Developer, you will be working for our client, a global leader in delivering innovative collateral and facility management solutions within the financial industry. The project focuses on developing a next-generation, AI-driven platform to optimize costs, accelerate delivery, and ensure robust governance. This role offers a chance to contribute to cutting-edge banking infrastructure, pushing the boundaries of automation and AI integration. Your main responsibilities: Build, test, and support Java microservices aligned with enterprise standards and security protocols Contribute to solution design and integration patterns, ensuring high performance and scalability Identify, communicate, and resolve technical risks, dependencies, and blockers in collaboration with delivery teams Follow and uphold engineering standards including CI/CD pipelines, testing strategies, and best coding practices Implement comprehensive unit, integration, and contract tests to achieve high-quality outcomes Participate actively in design, code, and security reviews to ensure robust solutions Leverage AI-assisted tools responsibly to expedite development without compromising security, IP integrity, and traceability Embed security-by-design principles, focusing on vulnerability management, secrets handling, and compliance Develop production-ready services with strong observability, performance testing, and incident readiness You're ideal for this role if you have: 4–8 years of experience building Java microservices within enterprise environments Extensive experience with Spring Boot framework Proficiency in RDBMS such as Oracle or PostgreSQL, including schema design and performance optimization Strong understanding of unit and integration testing frameworks (e.g., JUnit, Mockito, Testcontainers) Hands-on experience with CI/CD tools like Jenkins or GitLab, including quality and security gates Solid knowledge of RESTful API design, messaging, and event-driven architecture Practical experience working on cloud platforms, specifically GCP Familiarity with GenAI concepts, LLMs, and governance related to RAG/agent patterns It is a strong plus if you have: Delivered regulated financial services platforms with audit and control requirements Exposure to cloud-native patterns (containers, Kubernetes, service mesh) and observability tools Experience in performance and resilience engineering Hands-on involvement with AI-enabled SDLC practices and governance Language Required for the role: Fluent English (good command required) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Java Developer role focused on designing and maintaining scalable microservices-based backend systems using Spring technologies. The position involves building high-performance RESTful services, improving existing systems, and collaborating closely with cross-functional teams in a hybrid work model. 🗂️ Requirements: Minimum 2 years of experience with Java, Hands-on experience with microservices architecture, Experience with Spring and Spring Boot, Knowledge of REST APIs and integration patterns, Ability to work onsite in Warsaw 2 days per week 📃 Skills: Java, Microservices, Spring, SpringBoot, REST, Kubernetes, AWS, Azure, GCP, Kafka, RabbitMQ 🏢 Description: We’re looking for a Java Developers with solid experience in microservices architecture to join our growing team in Łódź. If you enjoy building scalable backend systems and like collaborating face-to-face a couple of days a week, this role is for you. Responsibilities Design, develop, and maintain Java-based microservices Build scalable, high-performance backend solutions Collaborate with product owners, architects, and other developers Write clean, testable, and well-documented code Participate in code reviews and technical discussions Support and improve existing systems Requirements Experience with Java minimum 2 years + Hands-on experience with microservices architecture Experience with Spring / Spring Boot Knowledge of REST APIs and integration patterns Ability to work onsite in Warsaw 2 days per week Nice to Have Experience with Kubernetes Cloud experience (AWS, Azure, or GCP) Knowledge of messaging systems (Kafka, RabbitMQ) Experience working in Agile/Scrum teams What We Offer Hybrid work model (2 days onsite in Warsaw) Competitive salary and benefits Modern tech stack and real impact on products Friendly, collaborative team culture Opportunities for learning and professional growth

🏢 Summary: Mid-level Software Engineer role focused on building cloud-native solutions that support the energy transition and solve complex engineering challenges. The position involves working with modern technology stacks, distributed systems, and international clients in a collaborative environment. It offers hands-on experience with cloud architectures and opportunities for technical growth. 🗂️ Requirements: Mid-level commercial experience in software development, Experience with one ecosystem: Java 17+ with Spring/Spring Boot or C# with .NET/ASP.NET Core or TypeScript with Node.js, Basic knowledge of AWS, Azure, or GCP, Knowledge of HTTP and REST API design, Understanding of programming principles and design patterns, Experience with unit or integration testing, Working knowledge of SQL databases, English proficiency minimum B2 (written and spoken) 📃 Skills: Java, Spring, SpringBoot, C#, .NET, ASP.NET, TypeScript, Node.js, AWS, Azure, GCP, HTTP, REST, SQL, UnitTesting, IntegrationTesting 🏢 Description: Join a team building software that supports the energy transition and tackles real engineering challenges. We’re looking for a mid-level engineer who values code quality, enjoys learning new domains, and wants to grow while working with modern cloud technologies. Requirements: Mid-level commercial experience in software development Familiarity with Java 17+ and the Spring ecosystem (Spring / Spring Boot) as the primary technology stack, along with at least one additional technology ecosystem, such as: TypeScript with Node.js C# with .NET / ASP.NET Core Knowledge of the additional technology ecosystem does not need to come from commercial experience; personal projects, open-source contributions, or academic experience are also welcome. Knowledge of AWS and serverless/cloud-native architectures HTTP protocol knowledge of REST API design Knowledge of programming principles and design patterns Experience with unit and/or integration testing Working knowledge of SQL databases Strong English communication skills (minimum B2), both written and verbal. You'll be working directly with international clients and cross-functional teams, so clear communication is essential Nice to have: Experienced in using AI tools in day-to-day workflow understanding of asynchronous communication and messaging systems (e.g. RabbitMQ, Kafka, or cloud-native solutions) Familiarity with Docker and containerized applications Exposure to Kubernetes Experience with NoSQL databases CI/CD pipelines knowledge What We Offer: Real, meaningful work. Our projects directly support the energy transition, and the engineering challenges that come with them are anything but trivial. An environment for ambitious engineers. You’ll be challenged and supported in equal measure, with a clear development path and regular feedback to keep you growing. Mentorship from experienced engineers and consultants who've been where you're heading. Hands-on exposure to modern cloud architectures, distributed systems, and complex integrations from day one. A collaborative team that shares knowledge openly and genuinely cares about collective success. What we value just as much as technical skills is an engineering mindset: You care about code quality and maintainability, but you also know when to move fast and when to slow down and get it right. You Are comfortable with change and ambiguity and can navigate new domains. You enjoy working across different stacks and client contexts, and can jump into unfamiliar territory and figure things out. You have a client-first mindset and can build long-term partner relationships, not just deliver features. You take initiative: mentoring a teammate, shaping a technical decision, or improving how we work. You naturally share knowledge and learn from others. About Codibly Codibly is a technology & consulting company focused on custom software and product development. We are a community of thinkers and innovators - people who want to code the difference and constantly develop their skills. Our industrial expertise is centered around the energy & utility sector, but we have collaborated with companies from fintech, healthcare, HR, and other industries. Be here. Be charged up.

🏢 Summary: Development and modernization of a corporate banking platform, transforming a legacy monolith into a microservices-based architecture. The role focuses on building and integrating REST APIs, refactoring legacy systems, and supporting migration using modern engineering practices in an Agile/SAFe environment. You will work across monolithic and microservices architectures, contributing to backend development and system integration. 🗂️ Requirements: Proficiency in Java, Experience with Spring Framework and Hibernate, Strong knowledge of SQL, Experience in REST API development, Understanding of microservices architecture, Experience with Cucumber and Jasmine, Ability to refactor legacy systems, Experience with system integration, English proficiency for technical communication 📃 Skills: Java, Spring, Hibernate, SQL, REST, Microservices, Cucumber, Jasmine, Angular, Git, DDD, Hexagonal, WebFlux, Reactor, SAFe, Agile 🏢 Description: About the Project Join an international team responsible for the development and modernization of a key corporate banking platform. The project focuses on transforming a legacy monolithic system into a modern architecture based on microservices while building new APIs that support the platform's future growth. You will work in an Agile/SAFe environment, leveraging modern engineering practices and architectural patterns. Responsibilities Design and develop REST APIs Build and maintain backend applications using Java and Spring Framework Integrate systems and support system-to-system communication Refactor legacy applications and extract business logic into microservices Contribute to the modernization and migration of existing systems Develop solutions across both monolithic and microservices architectures Work with reactive programming technologies and frameworks Support frontend integration with Angular-based applications Create and maintain unit and BDD tests Participate in code reviews and ensure high code quality standards Collaborate with cross-functional teams and stakeholders Produce and maintain technical and API documentation Requirements Must-Have Skills Java Spring Framework / Hibernate SQL REST API development Microservices architecture Cucumber Jasmine Strong English communication skills Nice to Have Angular Technology Stack Java Spring Boot Hibernate SQL REST APIs Microservices Angular Cucumber Jasmine Git Domain-Driven Design (DDD) Hexagonal Architecture (Ports & Adapters) WebFlux / Project Reactor SAFe Agile

🏢 Summary: Mid-Level Kotlin/Java Developer role focused on building and enhancing a microservices-based Developer Experience platform in the fintech domain. The position involves designing and implementing web applications and APIs, improving compliance and automation through scalable cloud-integrated solutions. The role follows a hybrid model in Krakow and emphasizes Agile delivery and high-quality code practices. 🗂️ Requirements: 3+ years experience with Java or Kotlin, Experience in API development, Experience with SQL databases, Knowledge of HTML, Knowledge of JavaScript, Understanding of microservices architecture, Experience working in Agile environments, Experience with Jira and Confluence, Strong troubleshooting skills, English B2+ level, Legal right to work in the EU 📃 Skills: Java, Kotlin, SQL, HTML, JavaScript, Microservices, APIs, Agile, Jira, Confluence, CICD, Jenkins, AWS, Azure, GCP, Linux, AIX, WAS, Testing, TestAutomation 🏢 Description: Unleash innovation through code — drive the next evolution of microservices and cloud integration! Krakow-based opportunity with hybrid work model As a Mid-Level Kotlin/Java Developer , you will be working for our client, a leading player in the financial technology industry, focused on building a cutting-edge Developer Experience platform. You will help develop a robust microservice architecture to enhance compliance and streamline development processes, shaping the future of software control and automation. Join us and be part of a transformative journey that fosters innovation and career growth. Your main responsibilities: Collaborate with cross-functional teams to design, develop, and implement web applications and APIs using Kotlin and Java. Build and maintain microservices that address critical business challenges and improve developer experience. Work closely with testers and other developers to ensure high-quality, efficient code delivery. Proactively engage with customers and internal stakeholders to resolve issues and incorporate feature requests. Participate in Agile practices, including peer reviews, automated testing, and continuous integration/deployment workflows. You're ideal for this role if you have: 3+ years of experience in Java, Kotlin, or related development fields. Strong expertise in API development, databases (SQL), and front-end technologies such as HTML/Javascript. Solid troubleshooting skills and experience working within Agile environments using Jira/Confluence. Good understanding of microservice architecture. Excellent communication skills in English (B2+). It is a strong plus if you have: (optional) Cloud technology experience (AWS, Azure, GCP). Knowledge of CI/CD toolchains like Jenkins. Background in Systems Administration across Linux/AIX/WAS platforms. Test Automation skills. Language Required for the role: English (B2+ level) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.