Junior Software Engineer

🏢 Summary: Senior Java Microservices Developer role focused on building and integrating enterprise-grade microservices for an AI-powered financial platform. The position involves designing, developing, and supporting scalable services while embedding security, CI/CD, and quality engineering best practices. Hybrid work model with strong emphasis on GenAI-enabled engineering and cloud-based solutions. 🗂️ Requirements: 4+ years of experience building Java microservices in enterprise environments, Strong expertise with RDBMS (Oracle or PostgreSQL) including schema design and performance tuning, Experience with unit and integration testing frameworks (JUnit, Mockito, Testcontainers), Solid understanding of CI/CD tools (Jenkins, GitLab), code quality gates, and security practices, Knowledge of API design, REST, messaging/eventing, and versioning strategies, Practical experience with GCP cloud environments, Familiarity with GenAI concepts including LLMs, RAG, and agent workflows, Fluent English, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Oracle, PostgreSQL, JUnit, Mockito, Testcontainers, Jenkins, GitLab, Sonar, REST, GCP, LLM, RAG, Kubernetes, Containers 🏢 Description: Unleash innovation in financial technology — drive AI-powered transformation with cutting-edge microservices! Krakow-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Java Microservices Developer , you will be working for our client, a leading financial technology company delivering global collateral and facility management solutions. This role focuses on building and integrating enterprise-grade microservices for a transformative platform that leverages AI to optimize processes, reduce costs, and enhance delivery speed. Join a forward-thinking team committed to engineering excellence and digital innovation. Your main responsibilities: Build, test, release, and support Java microservices and related components for multiple product areas/services. Contribute to solution design for microservices and integration patterns, ensuring alignment with architecture and non-functional requirements. Identify and resolve technical risks, dependencies, and delivery blockers in collaboration with cross-functional teams. Follow and promote engineering standards including coding practices, CI/CD pipelines, and testing strategies. Develop comprehensive unit, integration, and contract tests to ensure high-quality deliverables. Engage in technical reviews and address findings promptly. Utilize AI-assisted tooling responsibly to accelerate development while safeguarding code quality, security, and intellectual property. Contribute to GenAI-enabled engineering patterns, including LLMs, RAG, and agent workflows. Embed security-by-design principles and ensure compliance with internal controls. Support release activities, environment readiness, and seamless cutovers. Collaborate closely with technical leads, engineers, QA, operations, and system owners to promote best practices. Foster a culture of continuous improvement, teamwork, and shared accountability. You're ideal for this role if you have: 4+ years of hands-on experience building Java microservices (e.g., Spring Boot) in enterprise environments. Strong expertise with RDBMS such as Oracle or PostgreSQL, including schema design and performance tuning. Proven experience with unit and integration testing frameworks like JUnit, Mockito, Testcontainers. Solid understanding of CI/CD tools (Jenkins, GitLab), quality gates (Sonar), and security practices. Knowledge of API design, REST, messaging/eventing, and versioning strategies. Practical experience in cloud environments (GCP). Familiarity with GenAI concepts, tools, and governance including LLMs, RAG, and agent workflows. Ability to contribute to technical design and make pragmatic decisions under delivery pressure. It is a strong plus if you have: Experience in delivering regulated financial services platforms, with audit and control requirements. Exposure to cloud-native patterns (containers, Kubernetes, service mesh). Familiarity with performance engineering and resilience testing. Hands-on experience with AI-enabled SDLC practices and governance. Practical knowledge of GenAI prototyping, RAG pipelines, or prompt management. Language Required for the role: Fluent English (command of the language 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: Senior Java Developer role focused on building scalable, cloud-native applications for an AI-driven platform in the financial services domain. The position involves designing and implementing distributed systems, RESTful APIs, and secure integrations while collaborating with cross-functional teams. The role includes architectural leadership, code reviews, and delivering business-critical solutions using modern technologies. 🗂️ Requirements: 3+ years of software development experience, Proficiency in Java 18+, Strong experience with Spring Boot, Experience in RESTful API development using OpenAPI/Swagger, Knowledge of PostgreSQL or Oracle databases, Experience with Hibernate or JPA, Familiarity with CI/CD tools such as Jenkins or GitLab CI/CD, Hands-on experience with Azure cloud platform, Experience with monitoring tools like Prometheus or Splunk, Proficiency in testing frameworks such as JUnit, TestNG, Mockito, or JBehave, Experience with Kafka or REST integrations, Knowledge of security protocols including OAuth2, JWT, Spring Security, English proficiency at B2 level or higher 📃 Skills: Java, Spring, SpringBoot, REST, OpenAPI, Swagger, PostgreSQL, Oracle, Hibernate, JPA, Jenkins, GitLab, Azure, Prometheus, Splunk, JUnit, TestNG, Mockito, JBehave, Kafka, OAuth2, JWT, SpringSecurity 🏢 Description: We are seeking a Senior Java Developer to join our innovative AI platform team at a leading global investment bank. Collaborate with data scientists, software engineers, and business analysts to create advanced solutions leveraging machine learning and generative AI in a cloud-native environment. Play a pivotal role in driving digital transformation in financial services while contributing to impactful projects on a global scale. Responsibilities Design and build highly scalable and distributed cloud applications Provide technology solutions addressing business challenges in digital financial services Design and implement sustainable solutions using modern technologies Apply advanced concepts to develop business-critical solutions Implement proofs of concept and application skeletons for team collaboration Lead and participate in architecture and design reviews with peers and stakeholders Conduct code reviews and test software across SDLC phases Requirements 3+ years of experience in software development Proficiency in Java (18+) and Spring Boot Expertise in RESTful API development using OpenAPI/Swagger Knowledge of databases like PostgreSQL or Oracle and ORM frameworks such as Hibernate or JPA Familiarity with CI/CD tools including Jenkins or GitLab CI/CD Hands-on experience with Azure cloud platform Background in monitoring tools like Prometheus or Splunk Competency in testing frameworks such as JUnit, TestNG, Mockito, or JBehave Experience in messaging and integration with technologies like Kafka or REST Capability in security protocols (OAuth2, JWT, Spring Security) English proficiency at B2 level or higher Nice to have Experience in the financial services industry Certification in Azure or related cloud platforms Understanding of Agile methodologies or DevOps practices Familiarity with other programming languages or frameworks We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Krakow-based hybrid opportunity for a Senior Java Microservices Developer to build AI-enabled financial platforms in the financial services sector. The role focuses on designing and delivering secure, scalable Java microservices with GenAI enhancements to support global collateral and facility management solutions. You will contribute to architecture, CI/CD, security-by-design, and cloud-native deployments in an enterprise environment. 🗂️ Requirements: 4+ years of experience building Java microservices with Spring Boot in enterprise environments, Strong expertise in RDBMS (Oracle or PostgreSQL), schema design, performance tuning, transactional integrity, Experience with unit and integration testing (JUnit, Mockito, Testcontainers, API/contract testing), Experience with CI/CD pipelines and quality gates (Jenkins, GitLab, Sonar, SAST/DAST, dependency scanning), Understanding of REST, messaging/eventing, API design, versioning strategies, Hands-on experience with GCP, Practical knowledge of GenAI concepts, LLMs, RAG, agent patterns, and governance, Fluent English (verbal and written), Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Oracle, PostgreSQL, SQL, JUnit, Mockito, Testcontainers, REST, API, Jenkins, GitLab, Sonar, SAST, DAST, GCP, GenAI, LLM, RAG, Kubernetes, Docker 🏢 Description: Unleash innovation — develop AI-enabled financial platforms that redefine operational excellence. Krakow-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Java Microservices Developer , you will be working for our client in the financial services industry, delivering cutting-edge collateral and facility management solutions. You will contribute to building scalable, secure, and resilient microservice architectures that incorporate AI-driven enhancements, supporting global financial operations and innovation. Your main responsibilities: Build, test, release, and support Java microservices (Spring Boot) in enterprise environments, ensuring high standards of security, performance, and operational resilience. Contribute to solution design for microservices and integration patterns, aligning with target architecture and non-functional requirements. Identify and resolve technical risks, dependencies, and delivery blockers collaboratively with delivery teams. Follow and enhance engineering standards, including CI/CD practices, testing strategies, and security protocols. Participate in technical reviews such as design, code, and security reviews, remediating findings efficiently. Use AI-assisted tooling (e.g., Copilot) responsibly to accelerate delivery while maintaining code quality and security. Apply GenAI techniques (LLMs, RAG, agent workflows) in development and architecture, adhering to governance and controls. Embed security-by-design principles, vulnerability management, and compliance into everyday development. Support deployment activities, environment readiness, and smooth release cycles. Collaborate closely with cross-disciplinary teams including architects, QA, SRE, and system owners. Foster a culture of continuous improvement, inclusive collaboration, and shared accountability. You're ideal for this role if you have: 4+ years of experience building Java microservices (Spring Boot) within enterprise environments. Solid expertise with RDBMS (Oracle/PostgreSQL), schema design, performance tuning, and transactional integrity. Proven experience with unit and integration testing (JUnit, Mockito, Testcontainers, API/contract testing). Familiarity with CI/CD pipelines and quality gates (Jenkins, GitLab, Sonar, SAST/DAST, dependency scanning). Good understanding of REST, messaging/eventing, API design, and versioning strategies. Hands-on experience with cloud platforms, specifically GCP. Practical knowledge of GenAI concepts, LLMs, RAG/agent patterns, and related governance. Ability to design pragmatic solutions under delivery pressure. It is a strong plus if you have: Experience delivering regulated financial services platforms with focused audit and control requirements. Exposure to cloud-native patterns (containers, Kubernetes, service mesh) and modern observability tooling. Background in performance engineering and resilience testing. Prior experience implementing AI-enabled SDLC practices for measurable productivity. Language Required for the role: Fluent English (verbal and written). 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: Mid-Level Java Microservices Developer role focused on building AI-enabled microservices for a global collateral and facility management platform in the financial sector. The position involves designing, developing, testing, and securing scalable cloud-based solutions using modern engineering and GenAI practices. Hybrid work model based in Krakow. 🗂️ Requirements: 4+ years experience developing Java microservices, Experience with Spring Boot in enterprise environments, Strong knowledge of RDBMS and SQL performance tuning, Experience with unit and integration testing, Experience with CI/CD pipelines and quality gates, Knowledge of REST APIs and event-driven architectures, Experience with cloud platforms, particularly GCP, Familiarity with GenAI concepts including LLMs and RAG, Communicative English, Legal right to work in the EU 📃 Skills: Java, Spring, SpringBoot, SQL, Oracle, PostgreSQL, JUnit, Mockito, Testcontainers, Jenkins, GitLab, Sonar, SAST, DAST, REST, GCP, LLM, RAG, Kubernetes, Docker 🏢 Description: Ignite innovation in financial technology — develop AI-enabled microservices that transform the banking landscape! 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 leading financial technology firm. You will play a pivotal role in delivering a cutting-edge global collateral and facility management platform aimed at reducing costs and accelerating delivery through an AI-enabled SDLC. Join a forward-thinking team dedicated to redefining financial services with innovative solutions, AI integration, and best engineering practices to elevate the industry’s future. Your main responsibilities: Build, test, and support Java microservices (Spring Boot) and related components to ensure scalable, secure, and resilient solutions. Contribute to designing solutions for microservices integrations, aligning with architecture and operational requirements. Identify, escalate, and resolve technical risks, dependencies, and delivery blockers in collaboration with cross-functional teams. Follow and enhance engineering standards: coding practices, CI/CD pipelines, testing strategies, and security protocols. Deliver comprehensive unit, integration, and contract testing to meet quality standards. Participate in technical reviews, security assessments, and remediation efforts. Use AI-assisted tooling responsibly to accelerate development while maintaining code quality, security, and compliance. Apply guardrails for AI-generated code, ensuring strong review discipline and traceability. Contribute to GenAI-enabled engineering patterns such as RAG, LLMs, and agent workflows. Embed security-by-design principles and build observability into production services for operational readiness. Support release activities, environment setups, and cutover planning. Collaborate closely with diverse teams—including Tech Leads, architects, QA, platform specialists, and SREs—to deliver integrated outcomes. Foster a culture of continuous improvement and shared accountability. You're ideal for this role if you have: 4+ years of hands-on experience developing Java microservices (preferably with Spring Boot) in enterprise environments. Strong understanding of RDBMS, such as Oracle or PostgreSQL, including schema design and performance tuning. Experience with unit and integration testing frameworks (JUnit, Mockito, Testcontainers). Proficiency with CI/CD pipelines and quality gates (Jenkins or GitLab, Sonar, SAST/DAST). Good knowledge of REST APIs, messaging, event-driven patterns, and API versioning. Practical experience working on cloud platforms, particularly GCP. Familiarity with GenAI concepts, tools, and governance, including LLMs and retrieval-augmented generation. Ability to contribute to technical design and make pragmatic trade-offs under delivery pressure. It is a strong plus if you have: Experience in delivering regulated financial services platforms with audit and compliance requirements. Exposure to cloud-native architectures like containers, Kubernetes, and service meshes. Knowledge of observability tooling and resilience testing. Experience prototyping or integrating GenAI capabilities within software solutions. Language required for the role: Communicative English — capable of collaborating effectively in a multicultural team environment. Eligibility to work in Europe: 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: B2B Senior Full-Stack Software Engineer role focused on building Java-based enterprise applications with strong integration of Agentic AI tools to enhance development workflows. The position involves end-to-end development, CI/CD pipeline design, automated testing, security implementation, and containerized deployments in an Agile environment. The role combines backend, frontend, DevOps, and AI-assisted engineering practices. 🗂️ Requirements: Minimum 5 years of hands-on Java development experience, Strong experience with Spring Boot and Spring Security, Solid knowledge of Hibernate / JPA and ORM concepts, Experience with relational databases (MySQL, PostgreSQL, or Oracle), Proficiency in HTML5, CSS3, JavaScript and one modern frontend framework (React, Angular, or Vue.js), Hands-on experience with JUnit, Mockito, Cucumber and integration testing, Practical experience designing and maintaining Jenkins CI/CD pipelines, Understanding of cryptographic principles and secure key management, Experience with Docker and Kubernetes, Experience designing and implementing RESTful APIs, Understanding of software architecture patterns and design principles, Experience working in Agile/Scrum environments 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, Hibernate, JPA, MySQL, PostgreSQL, Oracle, HTML5, CSS3, JavaScript, React, Angular, Vue, JUnit, Mockito, Cucumber, Jenkins, Docker, Kubernetes, REST, Cryptography, GitHubCopilot, ChatGPT, Claude, Cline 🏢 Description: Senior Software Engineer (Full-Stack, Agentic AI Focus) Warsaw, hybrid 1 day/week B2B contract We are looking for a talented Senior Software Engineer to join our dynamic development team. This role focuses on full-stack development , with a strong emphasis on leveraging Agentic AI tools and technologies to drive efficiency, innovation, and smarter development workflows. The ideal candidate brings solid experience with Java-based enterprise applications , a strong engineering mindset, and a passion for using cutting-edge AI technologies to enhance productivity, code quality, and collaboration across the development lifecycle. Key Responsibilities 1. Development & Engineering Design, develop, and maintain full-stack applications using Java and modern web technologies. Build robust backend services using the Spring Framework (Spring Boot, Spring Security). Develop and optimize database interactions using Hibernate ORM . Create responsive, intuitive, and user-friendly frontend interfaces. Integrate Agentic AI tools and technologies to improve development efficiency and code quality. Participate in the entire software development lifecycle , from requirements analysis to deployment. Implement cryptographic solutions and security protocols to ensure safe handling of sensitive data. 2. CI/CD & DevOps Design, build, and maintain Jenkins CI/CD pipelines for automated build, testing, and deployment. Configure and optimize continuous integration workflows to ensure high code quality and rapid delivery. Implement automated testing integration within CI/CD pipelines. 3. Agentic AI Tools & Technology Integration Leverage AI-powered development tools (GitHub Copilot, ChatGPT, Claude, Cline, etc.) to accelerate coding, troubleshooting, and problem-solving. Utilize AI tools for code review, automated testing, and documentation generation . Stay up to date with emerging Agentic AI technologies and assess their potential to enhance development workflows. Share knowledge and best practices for AI-assisted development across the team. 4. Testing & Quality Assurance Write comprehensive unit tests using JUnit, Mockito, and other testing frameworks. Develop and execute integration tests to ensure system reliability and stability. Implement automated testing strategies and maintain strong test coverage standards . Participate in code reviews and uphold high coding and quality standards. Debug and troubleshoot complex technical issues . 5. Collaboration & Process Work closely with cross-functional teams including product managers, designers, and QA engineers. Actively participate in Agile/Scrum development processes . Contribute to technical documentation and internal knowledge sharing. Continuously improve development processes, tools, and team efficiency . Required Qualifications Technical Skills Java Expertise: Minimum 5 years of hands-on experience in Java development. Spring Framework: Strong experience with Spring Boot and Spring Security . Hibernate / JPA: Solid knowledge of ORM concepts, entity mapping, and database optimization. Database Technologies: Experience with relational databases such as MySQL, PostgreSQL, or Oracle . Frontend Technologies: Proficiency in HTML5, CSS3, JavaScript , and modern frameworks (React, Angular, or Vue.js). Testing Frameworks: Hands-on experience with JUnit, Mockito, Cucumber , and integration testing tools. CI/CD Tools: Practical experience designing and maintaining Jenkins pipelines . Cryptography: Understanding of cryptographic principles including encryption/decryption, digital signatures, and secure key management. Containerization: Experience with Docker and Kubernetes . API Development: Experience designing and implementing RESTful APIs . Architecture Knowledge: Understanding of software architecture patterns and design principles . Agile Methodologies: Experience working within Agile/Scrum environments . Preferred Qualifications Bachelor’s degree in Computer Science, Software Engineering, or a related field. Payment industry experience: 2+ years of experience working within payment systems or financial platforms.

🏢 Summary: The offer is for a Java SRE Engineer responsible for ensuring reliability, scalability, and performance of mission-critical fintech systems in a cloud-native environment. The role combines Java development with Site Reliability Engineering practices, focusing on automation, observability, and production support. You will work with modern cloud, container, and AI-powered tools to improve operational excellence and system resilience. 🗂️ Requirements: 5+ years of experience in Java development or Site Reliability Engineering, Strong knowledge of Java, Spring Boot, REST APIs, Microservices, Experience managing production systems in high-availability environments, Strong understanding of monitoring, observability, incident management, root cause analysis, performance tuning, reliability engineering, Experience with Prometheus, Grafana, ELK or OpenSearch, Hands-on experience with Kubernetes and Docker, Experience with at least one cloud platform: AWS, Azure or GCP, Experience with Jenkins and CI/CD pipeline development, Experience with infrastructure automation and scripting, Experience with PostgreSQL, MySQL or Oracle, 2+ years of experience in fintech, payments or financial services, Knowledge of PCI DSS and security/compliance standards 📃 Skills: Java, Spring, SpringBoot, REST, Microservices, SRE, Prometheus, Grafana, ELK, OpenSearch, Splunk, Kubernetes, Docker, AWS, Azure, GCP, Jenkins, CI/CD, PostgreSQL, MySQL, Oracle, Terraform, Ansible, Linux, PCI-DSS 🏢 Description: 🚀 Java SRE Engineer 📍 Hybrid | 2 days from the office in Warsaw Are you passionate about reliability, automation, cloud technologies, and building resilient systems at scale? We're looking for a Java SRE Engineer to join our growing team and help ensure the stability, security, and performance of mission-critical applications within the fintech and payments domain. As part of our engineering organization, you'll combine software engineering expertise with Site Reliability Engineering practices to improve platform reliability, automate operations, and drive operational excellence. You'll also leverage modern AI-powered tools to enhance troubleshooting, automation, and engineering productivity. 💡 Your Mission ⚙️ Site Reliability Engineering Ensure the availability, reliability, scalability, and performance of critical production systems. Design and implement monitoring, alerting, and observability solutions. Manage incident response, root cause analysis, and post-mortem activities. Establish and monitor Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Service Level Agreements (SLAs). Drive reliability improvements through automation and engineering best practices. ☕ Software Engineering Develop and maintain automation tools and platform services using Java. Improve system resilience, performance, and operational efficiency. Collaborate with development teams to build highly reliable applications. Support production environments and participate in on-call rotations when required. ☁️ Cloud & Infrastructure Design and maintain cloud-native infrastructure. Manage containerized environments using Docker and Kubernetes. Implement Infrastructure as Code (IaC) practices. Optimize platform scalability, security, and cost efficiency. 🤖 AI-Powered Engineering Utilize tools such as GitHub Copilot, ChatGPT, Claude, and Cline to improve automation and operational efficiency. Explore AI-driven approaches to incident management, monitoring, and system optimization. Promote best practices for AI adoption within engineering teams. 🔐 Security & Compliance Support implementation of security controls and operational best practices. Assist with compliance requirements and operational audits. Ensure secure handling of sensitive financial and customer data. 🤝 Collaboration Partner closely with Software Engineers, DevOps Engineers, Security Teams, and Product Owners. Participate in Agile ceremonies and reliability planning sessions. Contribute to technical documentation and knowledge-sharing initiatives. 🎯 Must-Have Skills Backend & Automation ✔️ 5+ years of experience in Java development or Site Reliability Engineering ✔️ Strong knowledge of: Java Spring Boot REST APIs Microservices architecture SRE & Operations ✔️ Experience managing production systems in high-availability environments ✔️ Strong understanding of: Monitoring and observability Incident management Root cause analysis Performance tuning Reliability engineering principles ✔️ Experience with: Prometheus Grafana ELK Stack or OpenSearch Splunk (nice to have) Cloud & Containers ✔️ Hands-on experience with: Kubernetes Docker ✔️ Experience with cloud platforms: AWS Azure GCP CI/CD & Automation ✔️ Jenkins ✔️ CI/CD pipeline development and maintenance ✔️ Infrastructure automation and scripting Databases ✔️ Experience with: PostgreSQL MySQL Oracle ⭐ Nice to Have Experience with Terraform, Ansible, or Infrastructure as Code tools Experience supporting fintech or payment platforms Knowledge of Linux system administration Experience with distributed systems and event-driven architectures Open-source contributions Technical blogging or community involvement 💳 FinTech & Payments Experience 2+ years of experience in fintech, payments, or financial services Knowledge of PCI DSS requirements Familiarity with payment processing systems and financial transaction platforms Understanding of security and compliance standards within regulated industries 🎁 What You'll Get ✨ Opportunity to work on large-scale, business-critical systems ✨ Modern cloud-native technology stack ✨ Exposure to AI-powered engineering and automation tools ✨ Hybrid work model (Gdańsk or Warsaw) ✨ Collaborative engineering culture focused on innovation and reliability ✨ Influence on platform architecture and operational excellence ✨ Continuous learning and career development opportunities 🚀 Ready to build reliable, scalable systems that power the future of fintech? Join us and help create highly available platforms where engineering excellence, automation, and innovation come first.

🏢 Summary: Mid-level role focused on building and maintaining scalable, AI-enabled Java microservices for a global collateral and facility management platform in the financial sector. The position involves end-to-end development, testing, CI/CD, security-by-design, and cloud deployment within a hybrid Krakow-based setup. It emphasizes high engineering standards, observability, and collaboration in a regulated enterprise environment. 🗂️ Requirements: 4–8 years experience with Java microservices development, Hands-on experience with SpringBoot, Strong knowledge of RDBMS, Experience with Oracle or PostgreSQL, Experience with unit and integration testing, Knowledge of JUnit and Mockito, Experience with Testcontainers, Experience with CI/CD pipelines, Knowledge of Jenkins or GitLab, Experience with Sonar and SAST or DAST tools, Knowledge of REST and API design, Hands-on experience with GCP, Understanding of messaging or eventing systems, Familiarity with GenAI concepts and tools, Fluent English, Legal right to work in Europe 📃 Skills: Java, SpringBoot, Microservices, Oracle, PostgreSQL, JUnit, Mockito, Testcontainers, Jenkins, GitLab, Sonar, SAST, DAST, REST, API, GCP, GenAI, RAG, Messaging, CICD 🏢 Description: Unleash Innovation in Financial Technology — Build Scalable, AI-Driven Microservices! Krakow-based opportunity with hybrid work model As a Mid-Level Java Microservices Developer , you will be working for our client, a leading technology provider in the financial services industry. You will contribute to the development of a cutting-edge, AI-enabled global collateral and facility management platform, helping to reduce costs and accelerate delivery through innovative engineering practices. This role offers a unique chance to shape the future of banking technology and advance your career in a thriving digital landscape. Your main responsibilities: Build, test, release, and support Java microservices and related components for complex product areas Contribute to solution design, ensuring alignment with target architecture and non-functional requirements Identify and resolve technical risks, dependencies, and delivery blockers collaboratively with cross-functional teams Follow and uphold high engineering standards, including secure coding, CI/CD practices, and quality gates Deliver comprehensive unit, integration, and contract testing with measurable coverage and quality Responsibly leverage AI-assisted tools (e.g., Copilot, GenAI techniques) to accelerate delivery while ensuring code integrity, security, and traceability Embed security-by-design principles, including vulnerability management and compliance measures Build production-ready services with strong observability, performance testing, and incident management readiness Work closely with technical leads, architects, QA, SREs, and system owners to ensure seamless integration and operational excellence You're ideal for this role if you have: 4–8 years of hands-on experience developing Java microservices (e.g., Spring Boot) in enterprise environments Strong expertise with RDBMS like Oracle or PostgreSQL, including schema design and performance tuning Solid understanding of unit and integration testing frameworks (JUnit, Mockito, Testcontainers, API/contract testing) Practical experience with CI/CD pipelines and quality gates (Jenkins, GitLab, Sonar, SAST/DAST) Knowledge of REST, messaging/eventing, API design, and versioning strategies Hands-on cloud experience on GCP Familiarity with GenAI concepts, tools, RAG/agent patterns, and associated governance/controls It is a strong plus if you have: Experience working on regulated financial services platforms with audit and operational controls Exposure to cloud-native patterns (containers, Kubernetes, service mesh) and modern observability tools Background in performance engineering, resilience testing, and AI-enabled SDLC practices Language Required for the role: Fluent English (spoken and written) Eligibility for the role: Only candidates with an existing legal right to work in Europe 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: Senior Full Stack Engineer role focused on building enterprise-grade Java applications with end-to-end ownership across backend, frontend, security, and CI/CD. The position requires daily commercial use of Agentic AI tools to accelerate development, testing, and code quality. You will design secure, scalable systems using modern Java frameworks and DevOps practices. 🗂️ Requirements: 5+ years commercial experience with Java, Proven commercial experience using AI-powered development tools, Strong proficiency in Spring Boot, Strong proficiency in Spring Security, Strong proficiency in Hibernate or JPA, Experience with HTML5, CSS3, and JavaScript frameworks, Hands-on experience with React, Angular, or Vue, Strong experience designing and maintaining Jenkins CI/CD pipelines, Experience with Docker and Kubernetes, Experience designing RESTful APIs, Solid understanding of cryptography and secure key management, Experience with JUnit and Mockito for automated testing 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, JPA, SQL, MySQL, PostgreSQL, Oracle, JavaScript, HTML5, CSS3, React, Angular, Vue, Jenkins, Docker, Kubernetes, REST, GitHubCopilot, ChatGPT, Claude, Cline, JUnit, Mockito, Cucumber, Cryptography, CI/CD, Agile, Scrum 🏢 Description: We are seeking a Senior Full Stack Engineer to join our development team, focusing on building robust Java-based enterprise applications while heavily leveraging Agentic AI tools to drive efficiency and innovation. In this role, you will be responsible for the end-to-end software development lifecycle, from backend services and database optimization to user-friendly frontend interfaces and secure CI/CD pipelines. A crucial aspect of this position is the daily, hands-on integration of AI-powered development tools to accelerate coding, code review, and problem-solving. Tech Stack: Java, Spring Boot, Spring Security, Hibernate ORM, SQL (MySQL/PostgreSQL/Oracle), JavaScript (React/Angular/Vue.js), Jenkins, Docker, Kubernetes, RESTful APIs, Agentic AI (GitHub Copilot, ChatGPT, Claude, Cline) Responsibilities: Design, develop, and maintain full-stack applications using Java and modern web technologies. Integrate Agentic AI tools (like GitHub Copilot, ChatGPT, Claude, and Cline) into daily development workflows to accelerate coding, code reviews, testing, and documentation. Design, build, and maintain Jenkins CI/CD pipelines to optimize automated builds, tests, and deployments. Implement robust cryptographic solutions and security protocols to protect sensitive data. Write comprehensive unit and integration tests using JUnit, Mockito, and Cucumber to ensure high reliability. Share best practices for AI tool usage across the team and continuously evaluate emerging Agentic AI technologies. Debug complex technical issues, participate in code reviews, and collaborate closely with product, design, and QA partners within an Agile/Scrum framework. Min requirements: COMMERCIAL EXPERIENCE WITH AI TOOLS IS OBLIGATORY: You must have proven, commercial experience using AI-powered development tools (e.g., GitHub Copilot, ChatGPT, Claude, Cline) to accelerate software delivery. 5+ years of hands-on software development experience with Java . Strong proficiency in Spring Boot , Spring Security , and Hibernate/JPA . Solid experience with frontend technologies (HTML5, CSS3, JavaScript, and frameworks like React, Angular, or Vue.js). Strong, hands-on experience designing and maintaining Jenkins CI/CD pipelines . Solid understanding of cryptography (encryption/decryption, digital signatures, and secure key management). Experience with containerization (Docker, Kubernetes) and designing RESTful web services. Strong background in automated testing (JUnit, Mockito). Would be a plus: 2+ years of experience in payment processing, fintech, or financial services. Knowledge of payment protocols (ISO 8583, EMV), PCI DSS compliance, and financial regulations. Experience with HSMs (Hardware Security Modules) and payment-industry cryptographic standards. Experience with microservices, distributed systems, and cloud platforms (AWS, Azure, or GCP). Knowledge of Android or iOS app development. Contributions to open-source projects or active technical blogging. We offer: Opportunity to work on bleeding-edge projects Work with a highly motivated and dedicated team Competitive salary Flexible schedule Benefits package - medical insurance, sports Corporate social events Professional development opportunities Well-equipped office About us: Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI , supported by profound expertise and ongoing investment in data , analytics , cloud & DevOps , application modernization and customer experience . Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

🏢 Summary: Mid-level role focused on building and maintaining AI-enabled Java microservices for critical financial systems in a hybrid Krakow-based setup. The position involves developing secure, scalable, and production-ready services with strong emphasis on cloud, CI/CD, testing, and observability. You will contribute to solution design, integrate AI components, and ensure high standards of security and operational resilience. 🗂️ Requirements: 4–8 years of experience developing Java microservices in enterprise environments, Strong expertise in relational databases, schema design, and performance optimization, Experience with unit and integration testing, Proficiency in CI/CD pipelines and automation, Knowledge of API design and integration patterns, Hands-on experience with GCP cloud platform, Practical exposure to GenAI, LLMs, and RAG or agent patterns, Ability to contribute to technical design decisions, Fluent English, Legal right to work in Poland 📃 Skills: Java, Microservices, SQL, GCP, CI/CD, GenAI, LLM, RAG, APIs, Testing, Git, Docker, Kubernetes, Observability 🏢 Description: Ignite innovation in financial technology — develop AI-enabled microservices that redefine risk, security, and operational excellence. Krakow-based opportunity with hybrid work model. As a Mid-Level Java Microservices Developer , you will be working for our client, a leader in delivering advanced collateral and facility management capabilities within the financial sector. With a focus on using AI to accelerate and streamline solution development, you will play a key role in building scalable, secure, and production-ready microservices that support critical financial operations. This is a unique chance to contribute to groundbreaking digital transformation initiatives and expand your expertise in cloud and AI-driven engineering. Your main responsibilities: Build, test, release, and support Java microservices for key product areas, ensuring high standards of design, security, and operational resilience Contribute to solution design, aligning with architecture and non-functional requirements, including AI integration aspects Identify and resolve technical risks, dependencies, and delivery blockers collaboratively with cross-functional teams Follow and promote engineering standards: coding practices, CI/CD pipelines, testing strategies, and definition of done Develop comprehensive unit, integration, and contract tests to guarantee code quality and reliability Participate actively in technical reviews, providing constructive feedback and remediation plans Apply AI-assisted tooling responsibly to enhance development efficiency while safeguarding code quality, security, and intellectual property Embed security-by-design principles: secure coding, vulnerability management, secrets handling, and compliance with internal controls Build production-ready services with strong observability, performance testing, and incident readiness measures Collaborate closely with Tech Leads, architects, QA, platform teams, and system owners to ensure seamless integration and deployment You're ideal for this role if you have: 4–8 years of proven experience developing Java microservices in enterprise environments Strong expertise with relational databases, including schema design, performance optimization, and transactional consistency Solid experience with unit and integration testing practices Proficiency with CI/CD pipelines, automation, and quality gates Good understanding of API design, integration patterns, and versioning strategies Hands-on cloud experience, particularly on GCP Practical exposure to GenAI concepts, tools, LLMs, and RAG/agent patterns in software engineering Ability to contribute to technical design decisions and manage pragmatic trade-offs under delivery deadlines It is a strong plus if you have: (optional) Experience delivering regulated financial platforms with rigorous audit and operational controls Familiarity with cloud-native architectures and modern observability tools Experience in performance engineering and resilience testing Background in implementing AI-enabled SDLC practices with governance and productivity tracking Hands-on experience prototyping or integrating GenAI functionalities in controlled environments Language Required for the role: Fluent English command Eligibility for the role: Only candidates with an existing legal right to work in Europe (specifically Poland) 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: Senior Full Stack Java Developer role focused on building secure, scalable enterprise applications in the fintech and payments domain. The position covers full-stack development, AI-assisted engineering, and CI/CD automation within a modern microservices architecture. The role involves end-to-end delivery from design to deployment in a hybrid work model. 🗂️ Requirements: 5+ years commercial experience with Java, Strong expertise in SpringBoot, Strong expertise in SpringSecurity, Strong expertise in Hibernate and JPA, Experience building REST APIs, Experience with microservices and distributed systems, Solid knowledge of HTML5 CSS3 JavaScript, Hands-on experience with React Angular or Vue, Experience with Jenkins pipelines, Experience with Docker and Kubernetes, Experience with MySQL PostgreSQL or Oracle, Knowledge of software architecture and design patterns, Experience working in Agile Scrum, Understanding of cryptography encryption digital signatures and key management, Experience writing unit and integration tests using JUnit and Mockito 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, JPA, REST, Microservices, HTML5, CSS3, JavaScript, React, Angular, Vue, Jenkins, Docker, Kubernetes, MySQL, PostgreSQL, Oracle, JUnit, Mockito, CICD, Agile, Scrum, Cryptography, Encryption, DigitalSignatures, KeyManagement, DesignPatterns 🏢 Description: 🚀 Senior Full Stack Java Developer 📍 Hybrid | 1 day from the office in Gdańsk or Warsaw Are you an experienced Full Stack Developer passionate about building secure, scalable applications and leveraging the latest AI-powered development tools? Join our team and help shape innovative solutions within the payments and fintech space. We're looking for a Senior Software Engineer who combines strong Java expertise with a modern engineering mindset and enthusiasm for Agentic AI technologies such as GitHub Copilot, ChatGPT, Claude, and Cline. 💡 Your Mission As a Senior Full Stack Java Developer, you will: 🔧 Development & Engineering Design, develop, and maintain enterprise-grade full-stack applications. Build scalable backend services using Java, Spring Boot, and Spring Security. Develop modern, responsive user interfaces using React, Angular, or Vue.js. Optimize database interactions using Hibernate/JPA. Design and implement secure solutions for handling sensitive financial data. Participate in the full software development lifecycle—from concept to deployment. 🤖 AI-Powered Development Utilize Agentic AI tools to accelerate development and improve code quality. Apply AI solutions for coding, testing, documentation, and troubleshooting. Explore and adopt emerging AI technologies to enhance engineering efficiency. Share AI best practices and drive innovation within the team. ⚙️ CI/CD & DevOps Build and maintain Jenkins CI/CD pipelines. Automate testing, deployment, and release processes. Improve development workflows and delivery speed. ✅ Quality & Testing Create and maintain unit and integration tests using JUnit and Mockito. Participate in code reviews and quality assurance initiatives. Debug and solve complex technical challenges. 🤝 Collaboration Work closely with Product Managers, QA Engineers, Designers, and fellow Developers. Participate in Agile/Scrum ceremonies. Contribute to technical documentation and knowledge sharing. 🎯 Must-Have Skills Backend ✔️ 5+ years of commercial Java development experience ✔️ Strong expertise in: Java Spring Boot Spring Security Hibernate/JPA ✔️ Experience building RESTful APIs ✔️ Experience with microservices and distributed systems Frontend ✔️ Solid knowledge of: HTML5 CSS3 JavaScript ✔️ Hands-on experience with: React Angular Vue.js DevOps & Infrastructure ✔️ Jenkins CI/CD ✔️ Docker & Kubernetes ✔️ MySQL, PostgreSQL, or Oracle Engineering Practices ✔️ Software architecture and design patterns ✔️ Agile/Scrum methodologies ✔️ Understanding of cryptography, encryption, digital signatures, and key management ⭐ Nice to Have Experience with AWS, Azure, or GCP Android or iOS development experience Open-source contributions Technical blogging or community involvement 💳 FinTech & Payments Experience 2+ years in fintech, payments, or financial services will be great (nice to have) Knowledge of ISO 8583, EMV, and PCI DSS Experience with HSMs and key management systems Familiarity with tokenization and real-time payment systems Understanding of financial compliance and regulations 🎁 What You'll Get ✨ Opportunity to work on innovative fintech products ✨ Exposure to cutting-edge AI-powered development practices ✨ Hybrid work model (Gdańsk or Warsaw) ✨ Collaborative and supportive engineering culture ✨ Influence on architecture and technical decisions ✨ Continuous learning and professional growth opportunities 🚀 Ready to build the future of fintech with AI-enhanced engineering? Apply now and join a team where modern technology, innovation, and engineering excellence come together.