Backend Engineer - Java and Test Automation

🏢 Summary: Expert Java Engineer role focused on building scalable, high-performance financial systems using microservices, cloud-native technologies, and distributed architectures in a hybrid Kraków-based environment. The position involves backend development, architecture contributions, CI/CD and Kubernetes operations, and collaboration with global engineering teams. Candidates with strong Java, cloud, and distributed systems expertise, especially in banking or capital markets, are preferred. 🗂️ Requirements: 5+ years of software engineering experience, Strong Java experience, Experience with REST APIs, Experience with microservices architecture, Experience with messaging systems, Strong SQL knowledge, Hands-on Kubernetes experience, Experience with cloud platforms, Knowledge of NoSQL databases, Experience with distributed systems, Experience with CI/CD pipelines, Experience with Agile methodologies, Understanding of scalability and high-availability architectures, Experience in banking or capital markets domain 📃 Skills: Java, REST, Microservices, RabbitMQ, SQL, Kubernetes, GCP, NoSQL, CI/CD, Agile, Go, Rust, ClickHouse 🏢 Description: We are looking for an Expert Java Engineer to join a global team building and evolving mission-critical financial systems. This role is ideal for an experienced back-end engineer who enjoys designing scalable solutions, influencing architecture, and working on high-performance distributed systems. We offer: 📍 Location: Kraków, Poland (Hybrid – 6–8 office visits per month)* 💰 Rate: Up to 190 PLN/h (B2B) * Hybrid Model Based in Kraków with 6–8 office days per month . Candidates living outside Kraków are welcome to apply. If you are willing to travel to the office, we will cover your travel and accommodation costs . Responsibilities: Design and develop scalable microservices and REST APIs. Build high-performance, highly available back-end applications. Develop and operate cloud-native solutions on Kubernetes and GCP. Contribute to architecture decisions and technical roadmaps. Optimize databases, integrations, and distributed systems. Drive engineering best practices across CI/CD, security, and software quality. Collaborate closely with business stakeholders and global engineering teams. Mentor developers and support technical delivery. We are looking for: 5+ years of professional software engineering experience. Strong hands-on experience with Java. Solid experience with REST APIs and microservices architecture. Experience with messaging systems (RabbitMQ or similar). Strong SQL database knowledge. Hands-on experience with Kubernetes. Experience working with cloud platforms (preferably GCP). Knowledge of NoSQL databases and distributed systems. Experience with CI/CD pipelines and Agile methodologies. Strong understanding of scalability, performance, and high-availability architectures. Experience in the banking or capital markets domain, preferably related to trade lifecycle, post-trade processing, or FX products. Nice to Have Experience with Go or Rust. Experience with ClickHouse or other analytical databases. Front-end development experience. Knowledge of API governance. Experience with large-scale data processing environments. This role is not perfectly suited for you, but you have a friend who would fit? Recommend your friend and get up to 5000 zł! Referral Program: Talent from your network Don't hesitate and apply now! 32/6/2026/r/3612

🏢 Summary: Frontend Engineer role focused on developing and supporting a global payments disbursements platform using modern front-end technologies within a microservices architecture. The position involves building scalable applications, enhancing payment processing capabilities, and automating testing in an Agile environment. Hybrid work model based in Krakow. 🗂️ Requirements: Minimum 4 years experience in payments or disbursements domain, Strong knowledge of React 18, Strong knowledge of Typescript 5, Strong knowledge of Bootstrap 5, Experience with JSP or other legacy UX technologies, Proficiency in Java 8 or higher, Understanding of RESTful microservices and APIs, Experience with databases and SQL, Fluent English, Legal right to work in the European Union 📃 Skills: React, TypeScript, Bootstrap, Java, JSP, REST, Microservices, Spring, SpringBoot, SQL, Databases, Agile 🏢 Description: Unleash the future of digital payments — craft seamless experiences with cutting-edge front-end technology! Krakow-based opportunity with hybrid work model (up to 3 days remote per week). As a Frontend Engineer , you will be working for our client, a leader in the global payments industry. You will contribute to the development and support of the Global Disbursements platform, enabling customers to move funds quickly and securely across borders. Join a team focused on innovation, efficiency, and impactful financial solutions. Your main responsibilities: Build and support microservices and applications (front-end) using ReactJS, Typescript, Bootstrap, and Java 8/11/17 within a microservices architecture. Enhance the Straight-Through-Processing (STP) capabilities, streamlining payment flows and reducing operational costs through interactive tools and observability patterns. Automate testing processes to improve efficiency and reliability of payment services. Maintain legacy UX technologies and develop new interfaces in a fast-paced, Agile environment. Collaborate with stakeholders and solution teams to deliver high-quality payment solutions aligned with business needs. You're ideal for this role if you have: At least 4 years of experience in payments disbursements or related fields. Strong knowledge of React 18, Typescript 5, Bootstrap 5. Experience with legacy UX technologies such as JSP. Proficiency in Java 8+ (Java 17+ is a plus). Working understanding of ReSTful microservices and APIs. Knowledge of Spring/Spring Boot frameworks is desirable. Experience with databases and SQL. It is a strong plus if you have: Certifications or experience in automation testing frameworks. Language Required for the role: Fluent English communication skills. 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: Backend Java Engineer role focused on developing and modernizing a high-load B2B gaming back-office platform processing millions of real-time transactions daily. The position involves building new features, improving scalability and reliability, and evolving a monolithic system toward distributed services. You will contribute to architectural design, performance optimization, and production issue resolution. 🗂️ Requirements: 5+ years of Java development experience, Strong knowledge of backend architecture, Experience with distributed systems, Experience with relational databases and SQL, Experience with message-driven systems, Experience refactoring production systems, Strong debugging and problem-solving skills, Intermediate English or higher 📃 Skills: Java, Spring, MSSQL, SQL, Kafka, Redis, Microservices 🏢 Description: Role Overview: We are looking for an experienced Java Engineer to join the client's backend team, which is working on the back-office platform of a high-load B2B gaming system. Their platform processes millions of transactions daily and supports real-time operations for multiple partners. As the system continues to grow, the engineering team is expanding to improve scalability, performance, and reliability, while gradually evolving parts of the platform from a monolithic architecture toward distributed services. You will work on both new functionality and architectural improvements, helping modernise critical parts of the platform. Technology Stack: Java 8 / Java 17, Spring Framework, MSSQL 2019, Kafka, Redis, distributed services with parts of the system still evolving from a monolithic architecture. Key Responsibilities: Develop new backend functionality for the platform; Improve system performance, scalability, and reliability; Participate in refactoring and modernisation of legacy components; Contribute to architectural discussions and technical design; Investigate and resolve production issues; Assess technical feasibility and complexity of business requirements; Collaborate closely with backend engineers, technical leads, and product teams Required Skills & Experience: 5+ years of Java development experience; Strong understanding of backend architecture and distributed systems; Experience working with relational databases and SQL; Familiarity with message-driven systems (Kafka or similar); Experience in improving or refactoring existing production systems; Strong problem-solving and debugging skills; Comfortable working in collaborative environments with code reviews and shared ownership of the codebase; English level: Intermediate or higher. The company guarantees you the following benefits: Global Collaboration: Join an international team where everyone treats each other with respect and moves towards the same goal; Autonomy and Responsibility: Enjoy the freedom and responsibility to make decisions without the need for constant supervision; Competitive Compensation: Receive competitive salaries reflective of your expertise and knowledge as our partner seeks top performers; Remote Work Opportunities: Embrace the flexibility of fully remote work, with the option to visit company offices that align with your current location; Flexible Work Schedule: Focus on performance, not hours, with a flexible work schedule that promotes a results-oriented approach; Unlimited Paid Time Off: Prioritise work-life balance with unlimited paid vacation and sick leave days to prevent burnout; Career Development: Access continuous learning and career development opportunities to enhance your professional growth; Corporate Culture: Experience a vibrant corporate atmosphere with exciting parties and team-building events throughout the year; Referral Bonuses: Refer talented friends and receive a bonus after they successfully complete their probation period; Medical Insurance Support: Choose the right private medical insurance and receive compensation (full or partial) based on the cost; Flexible Benefits: Customise your compensation by selecting activities or expenses you'd like the company to cover, such as a gym subscription, language courses, Netflix subscription, spa days, and more; Education Foundation: Participate in a biannual raffle for a chance to learn something new unrelated to your job as part of your commitment to ongoing education. Interview process: HR Interview with the Recruiter; Technical interview with the team; A 2-hour Final interview with the team. If you find this opportunity right for you, don't hesitate to apply or get in touch with us if you have any questions!

🏢 Summary: Backend Engineer role focused on developing and maintaining Java-based microservices and automated testing frameworks for a global payments platform. The position involves modernizing legacy systems, improving transaction automation, and ensuring high-quality, high-performance backend services within a DevOps environment. Hybrid work model based in Kraków. 🗂️ Requirements: Strong experience with Java 11+, Advanced experience in test automation and automated test framework design, Solid understanding of RESTful microservices and APIs, Proficiency with Git, Experience with Unix-based systems and command-line, Experience with SQL and databases, Strong knowledge of Spring, Strong knowledge of Spring Boot 📃 Skills: Java, REST, Microservices, API, Git, Unix, SQL, Oracle, Spring, SpringBoot, TDD, Python, Bash 🏢 Description: Backend Engineer (Java & Test Automation) B2B | hybrid work from Kraków Your Career Opportunity: Global Disbursements Platform Join the team behind Global Disbursements , a high-impact payments platform that empowers clients to move funds freely and fast across the globe. From paying suppliers and crediting salaries to direct tax settlements, our platform handles complex financial transfers via multiple global channels. As a Backend Engineer , you will support the delivery of key projects through high-quality analysis, Agile design, and deep technical insight. You will work within a DevOps-aligned environment, using modern tools to ensure our global payment solutions are robust and efficient. What You’ll Do: Develop & Support: Build and maintain high-performance backend services and microservices using Java 11, 17, and 21. Drive Quality: Design, implement, and maintain robust automation testing frameworks to ensure software excellence and reduce testing overhead. Modernize Infrastructure: Help reduce costs and complexity by migrating legacy systems to modern integration layers using APIs and microservice patterns. Optimize Performance: Work on increasing Straight-Through-Processing (STP) capabilities to ensure seamless, automated financial transactions. What You Need to Succeed (Must-have): Java Proficiency: Strong experience with Java 11+ (Java 17+ is highly preferred). Test Automation: Advanced, hands-on experience in software testing, including the design and implementation of automated test frameworks. Microservices: A solid working understanding of RESTful microservices and APIs. Core Tools: Proficiency with Git for version control. Systems & Data: Comfort navigating Unix-based systems and command-line interfaces, plus experience with SQL and database technologies (Oracle preferred). Frameworks: Strong knowledge of Spring and Spring Boot. Nice-to-have: Experience with Test-Driven Development (TDD) methodologies. Knowledge of scripting languages (e.g., Python, Bash ). Prior experience working within a QA team . Understanding of application monitoring tools and practices. Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Backend Engineer role focused on Java EE development, DevOps automation, and infrastructure management for a global mobile wallet platform processing billions of transactions. The position involves building CI/CD pipelines, managing Kubernetes and Docker environments, and improving observability in an agile remote team setup. Candidates will work with modern backend and cloud-native technologies to support large-scale financial services. 🗂️ Requirements: 3+ years of Java development experience, Hands-on experience with Kubernetes, Hands-on experience with Docker, Experience with CI/CD automation, Knowledge of Gradle, Knowledge of Maven, Experience with Apache Kafka, Experience with SQL, Experience with Oracle, English proficiency at B2 level or higher 📃 Skills: Java, JavaEE, Kotlin, Kafka, Docker, Kubernetes, Jenkins, GitLab, Gradle, Maven, SQL, Oracle, OpenTelemetry 🏢 Description: Role Overview: Are you a developer who loves to own the entire lifecycle of an application? We are looking for a Backend Engineer with a strong DevOps mindset to bridge the gap between code and infrastructure for our global Mobile Wallet Platform. Key Responsibilities: Backend development (Java EE) with a focus on automation and deployment . Configuring and managing Docker and Kubernetes environments. Building and maintaining CI/CD pipelines (Jenkins, GitLab CI). Optimizing system observability using OpenTelemetry and logging tools Requirements: 3+ years of experience in Java development. Hands-on experience with Kubernetes and Docker is mandatory. Proficiency in CI/CD automation and Gradle/Maven. Experience with Apache Kafka and SQL/Oracle. Fluent English (B2+). Project Context Scale: Handling billions of transactions globally. Tech Stack: Java EE, Kotlin, Kafka, Docker, Kubernetes, OpenTelemetry. Location: Remote with occasional visits to the Warsaw office (approx. once a month). Team: Agile setup (5-7 people). Impact: Enabling financial inclusion for the unbanked populations worldwide.

🏢 Summary: Backend Engineer role focused on developing and maintaining a global Mobile Wallet Platform, combining Java backend development with DevOps responsibilities. The position involves managing containerized environments, building CI/CD pipelines, and improving system observability in a high-scale transaction system. Remote work with occasional on-site presence in Warsaw. 🗂️ Requirements: 3+ years of Java development experience, Hands-on experience with Kubernetes, Hands-on experience with Docker, Experience with CI/CD automation, Proficiency with Gradle or Maven, Experience with Apache Kafka, Experience with SQL or Oracle databases, English level B2 or higher 📃 Skills: Java, JavaEE, Kotlin, Docker, Kubernetes, Jenkins, GitLabCI, Gradle, Maven, Kafka, SQL, Oracle, OpenTelemetry 🏢 Description: Role Overview: Are you a developer who loves to own the entire lifecycle of an application? We are looking for a Backend Engineer with a strong DevOps mindset to bridge the gap between code and infrastructure for our global Mobile Wallet Platform. Key Responsibilities: Backend development (Java EE) with a focus on automation and deployment . Configuring and managing Docker and Kubernetes environments. Building and maintaining CI/CD pipelines (Jenkins, GitLab CI). Optimizing system observability using OpenTelemetry and logging tools Requirements: 3+ years of experience in Java development. Hands-on experience with Kubernetes and Docker is mandatory. Proficiency in CI/CD automation and Gradle/Maven. Experience with Apache Kafka and SQL/Oracle. Fluent English (B2+). Project Context Scale: Handling billions of transactions globally. Tech Stack: Java EE, Kotlin, Kafka, Docker, Kubernetes, OpenTelemetry. Location: Remote with occasional visits to the Warsaw office (approx. once a month). Team: Agile setup (5-7 people). Impact: Enabling financial inclusion for the unbanked populations worldwide.

🏢 Summary: B2B contract for a Mid to Mid-Senior Java Backend Developer to work in a hybrid model on a high-impact financial/payments project. The role focuses on designing and developing microservices-based backend solutions using Java and Spring technologies, contributing to architecture, implementation, and continuous improvement within Agile teams. 🗂️ Requirements: 3+ years of professional experience in Java backend development, Proficiency in Java 8+ and Spring Boot, Experience building and consuming REST APIs, Experience designing and developing microservices, Knowledge of HTTPS, SFTP, REST and SOAP protocols, Experience with Git/GitHub, GitHub Actions, Maven and Jenkins, Experience with MySQL and SQL databases, Familiarity with Linux operating systems, Understanding of containerization, Knowledge of Agile methodologies 📃 Skills: Java, Spring, SpringBoot, REST, SOAP, HTTPS, SFTP, Microservices, Kafka, Git, GitHub, GitHubActions, Maven, Jenkins, Jira, MySQL, SQL, Linux, Docker, Agile 🏢 Description: Java Backend Developer We’re looking for an experienced Java Backend Developer to join a fast-paced, high-impact project in the financial / payments domain. Contract: B2B Work Mode: Hybrid 2/3 days from Warsaw office Qualifications • Minimum of 3+ years of relevant professional experience • Proficiency in JAVA 8+, building and consuming REST APIs, Spring Boot and Spring Technologies • Good knowledge in creating Microservices along with Kafka background. • Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols • Familiarity with Linux operating systems • Strong grasp of microservices architecture and containerization • Knowledge of Agile frameworks and principles • Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira • Competence with MySQL and SQL databases • Exceptional analytical and problem-solving abilities • Excellent written and verbal communication skills • Demonstrated ability to collaborate effectively with Product, Test, DevOps, and Agile/Scrum teams Mandatory Skills: • Java (Spring), REST APIs, Spring Boot and Spring Technologies • Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols. • Strong grasp of microservices architecture and containerization • Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira • Competence with MySQL and SQL databases Desired Skills: • Exceptional analytical and problem-solving abilities • Excellent written and verbal communication skills • Demonstrated ability to collaborate effectively with Product, Test, DevOps, and Agile/Scrum teams Years of exp needed: 3-4 years (Mid-Level) 5-7 Years (Mid-Senior) Roles and Responsibilities: The following items are in-scope for this Work Order. • Contribute to the technical design and engineering of applications. • Develop deep domain expertise. • Assist in analysing functional and technical requirements, including comprehensive architecture and design specifications. • Collaborate with Architecture and Business teams to deliver industry-leading solutions. • Participate daily in development, design, code review, and implementation activities. • Employ best practices and drive continuous improvement throughout the development lifecycle. The following items are out-of-scope for this Work Order: Create product requirement Work as a scrum master or product owner 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Opportunity for an Expert Java Engineer to design and build scalable, high-performance financial systems within a global team. The role focuses on developing microservices, cloud-native solutions on Kubernetes and GCP, and influencing architectural decisions in mission-critical environments. Ideal for a senior back-end engineer experienced in distributed systems and banking or capital markets domains. 🗂️ Requirements: 5+ years of professional software engineering experience, Strong hands-on experience with Java, Experience with REST APIs and microservices architecture, Experience with messaging systems (RabbitMQ or similar), Strong SQL database knowledge, Hands-on experience with Kubernetes, Experience with cloud platforms (preferably GCP), Knowledge of NoSQL databases and distributed systems, Experience with CI/CD pipelines, Understanding of scalability, performance, and high-availability architectures, Experience in banking or capital markets domain 📃 Skills: Java, REST, Microservices, RabbitMQ, SQL, Kubernetes, GCP, NoSQL, CI/CD, Agile, DistributedSystems 🏢 Description: Expert Java Engineer We are looking for an Expert Java Engineer to join a global team building and evolving mission-critical financial systems. This role is ideal for an experienced back-end engineer who enjoys designing scalable solutions, influencing architecture, and working on high-performance distributed systems. 📍 Location: Kraków, Poland (Hybrid – 6–8 office visits per month)* 💰 Rate: Up to 190 PLN/h (B2B) * Hybrid Model Based in Kraków with 6–8 office days per month . Candidates living outside Kraków are welcome to apply. If you are willing to travel to the office, we will cover your travel and accommodation costs . Responsibilities: Design and develop scalable microservices and REST APIs. Build high-performance, highly available back-end applications. Develop and operate cloud-native solutions on Kubernetes and GCP. Contribute to architecture decisions and technical roadmaps. Optimize databases, integrations, and distributed systems. Drive engineering best practices across CI/CD, security, and software quality. Collaborate closely with business stakeholders and global engineering teams. Mentor developers and support technical delivery. We are looking for: 5+ years of professional software engineering experience. Strong hands-on experience with Java. Solid experience with REST APIs and microservices architecture. Experience with messaging systems (RabbitMQ or similar). Strong SQL database knowledge. Hands-on experience with Kubernetes. Experience working with cloud platforms (preferably GCP). Knowledge of NoSQL databases and distributed systems. Experience with CI/CD pipelines and Agile methodologies. Strong understanding of scalability, performance, and high-availability architectures. Experience in the banking or capital markets domain, preferably related to trade lifecycle, post-trade processing, or FX products. Nice to Have Experience with Go or Rust. Experience with ClickHouse or other analytical databases. Front-end development experience. Knowledge of API governance. Experience with large-scale data processing environments. This role is not perfectly suited for you, but you have a friend who would fit? Recommend your friend and get up to 5000 zł! Referral Program: Talent from your network Don't hesitate and apply now! Nr ref.: 32/6/2026/r/3612

🏢 Summary: Backend Engineer role focused on building an API-first, event-driven payments platform based on Java microservices running on AWS and Kubernetes. The position covers full lifecycle development, including design, implementation, and production deployment of scalable, secure, and high-performance payment services. The platform emphasizes strong contracts, Kafka-based event streaming, and robust PostgreSQL persistence. 🗂️ Requirements: Minimum 6 years backend development experience, Strong experience building Java microservices, Experience in payments engineering (transaction lifecycle, settlement, reconciliation), Solid understanding of event-driven architecture and Kafka, Knowledge of reactive patterns, at-least-once delivery, idempotency, Strong experience with relational databases and PostgreSQL, Experience with SQL, data modeling, migrations, query optimization, Hands-on experience with Kubernetes and AWS, Experience with CI/CD and GitOps, Experience with API Gateway (routing, versioning, authentication, rate limiting) 📃 Skills: Java, Kafka, PostgreSQL, AWS, Kubernetes, SQL, Flyway, Terraform, GitLab, FluxCD, OpenAPI, XRay, CloudWatch, OpenTelemetry, Python 🏢 Description: About the Company Autopay Global is the newest member of the Autopay family — a project created to bring our advanced payment integration and payment data technologies to international markets. We build solutions that connect with local PSPs, support multi-currency flows, and ensure compliance with regional regulations. We think boldly, act responsibly, and believe that the best ideas arise where creativity meets modern technology. If you want to shape the future of payment products and have a real influence on technical decisions — join us. About the role As a Backend Engineer, you will contribute to building the Autopay Payments Platform as a fully API‑first product- including Merchant APIs, PSP/Rail APIs, event streams, and microservices running on Kubernetes/AWS. We focus on event‑driven architecture, strong contracts, determinism, idempotency, and interoperability. Our ambition is to make the platform Agentic‑Ready: secure, predictable, high‑performance, and optimized for automation at scale. This is a hands‑on role that spans design, development, and production deployment. You will work across a broad engineering stack. Your day‑to‑day responsibilities will include: designing, coding, testing, and shipping Java microservices — domain logic, workflows/state machines, adapters, and stream processors powering payment flows, using contract‑first development (OpenAPI) to build a versioned, API‑first service layer compatible with an API Gateway, creating agentic‑ready endpoints — asynchronous where applicable, highly performant, and robust, implementing event‑driven architecture with Kafka: topic design, message contracts, retries/DLQs, ordering, idempotent consumers, and replay handling, building PostgreSQL persistence: schema design, migrations, constraints, indexing, tuning, and high‑volume data integrity, deploying and operating services on AWS + Kubernetes, provisioning with Terraform and delivering through CI/CD, implementing observability by default — metrics, logs, traces, dashboards, and alerting integrated with AWS‑centric monitoring. What tools will you be working with? Technology: Java, Kubernetes, Kafka, PostgreSQL, AWS Nice to have: knowledge of Python and tooling, experience with observabiloty platforms (Dynatrance, Datadog, New Relic), understanding of Terraform and IaC solutions, Familiarity with Mulesoft Anypoint Platform If any technical concepts are unfamiliar to you, don’t worry. We’ll be happy to help and teach you everything you need. Requirements and skills we are looking for in a person hired for this role: at least 6 years of experience as a backend developer, exposure to payments engineering - transaction lifecycle, settlement, reconciliation, strong backend engineering trackt record building microservices in Java, solid understanding of event-driven architecture (Kafka, queues, topics), reactive patterns, at-least-once delivery and indempontency, fluency in relational databases (ideally PostgreSQL), data modelling, SQL, migrations (preferably Flyway) and query optimization, hands-on experience deploying, running and troubleshooting applications in Kubernetes (preferbaly EKS) and AWS tools (X-Ray, CloudWatch, Open/Telemetry), familiarity with GitOps and CI/CD (GitLab CI/CD, Flux CD), API Gateway experience - routing, policies, versioning, authentication, rate limiting, proven experience working in Scrum teams, growth mindset and willingness to adopt new technologies (e.g.GenAI-assisted coding), strong communication and collaboration skills. What we are offer? being a part of fast-growing global fintech, opportunities to work with cutting-edge tools and technologies, flexible working model with international exposure, supportive work environement, strong team culture, no dress code. Join us and let's head together where no one has gone before !

🏢 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.