April 8, 2026
👉Senior Java Developer
Senior • Remote
18,000 - 28,000 PLN
Wroclaw, Poland
🟣You will be:
designing, developing, and maintaining high-performance backend systems using Java and Spring Boot,
working on transaction, payment, and cashier-related functionalities within a complex trading platform,
building and maintaining RESTful and RPC APIs (e.g. using Apache Dubbo),
developing solutions capable of handling high-volume traffic, high concurrency, and multi-threaded environments,
processing and optimizing large volumes of data within distributed systems,
collaborating with cross-functional teams to deliver scalable and reliable systems,
integrating backend services with third-party applications and external systems,
-
troubleshooting, debugging, and optimizing system performance in production environments.
🟣 Your profile:
5+ years of professional experience in Java backend development,
strong experience with Java (8+) and Spring Boot,
experience in business product development within fintech environments,
experience working on B2B products,
hands-on experience with high-concurrency systems, multi-threading, and high-volume traffic environments,
proven experience working with large-scale data processing systems,
solid knowledge of technologies such as MyBatis, Redis, and message queue systems,
experience working with relational databases such as MySQL, including writing complex queries and performance tuning,
experience working with Elasticsearch and big data technologies such as Hadoop,
experience with messaging systems (queues) and event-driven architectures,
experience with unit and integration testing,
experience integrating with third-party services and APIs,
strong debugging and problem-solving skills,
solid understanding of software design patterns and backend architectures,
practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery,
good communication skills and ability to work in a team environment,
immediate availability or a short notice period is preferred.
Work from the European Union region and a work permit are required.
🟣 Nice to have:
familiarity with RPC frameworks such as Apache Dubbo,
experience working with systems serving large-scale user bases,
understanding of distributed systems and microservices architecture,
experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work,
interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.
🟣 Recruitment Process:
CV review – HR call – Technical Interview – Client Interview – Decision
🎁 Benefits 🎁
✍ Development:
development budgets of up to 6,800 PLN,
we fund certifications e.g.: AWS, Azure,
access to Udemy, O'Reilly (formerly Safari Books Online) and more,
events and technology conferences,
technology Guilds,
internal training,
Xebia Upskill.
🩺 We take care of your health:
private medical healthcare,
multiSport card - we subsidise a MultiSport card,
mental Health Support.
🤸♂️ We are flexible:
B2B or employment contract,
contract for an indefinite period.
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Remote
Limassol, Cyprus
🏢 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!
Technology
Motorola Solutions
Senior Java/ Full Stack Engineer
Senior
Hybrid
Kraków, Poland
18,000 - 21,000 PLN
🏢 Summary: Backend-focused software engineering role responsible for designing and implementing scalable, high-performance Java applications. The position involves enhancing system architecture, performance, and resilience while developing new features and maintaining backend services. You will work in an Agile team environment, emphasizing clean code, testing, and database optimization. 🗂️ Requirements: 5+ years backend software development experience, Strong knowledge of core Java and JDK, Experience designing high-performance multithreaded systems, Solid understanding of software architecture and design patterns, Experience writing automated tests with JUnit, Advanced debugging and performance profiling skills, Strong knowledge of relational databases, Experience with PostgreSQL, Experience with Hibernate or JPA, Ability to work in Agile environment 📃 Skills: Java, JDK, JUnit, PostgreSQL, Hibernate, JPA, SQL, JAX-RS, Spring, Agile, Multithreading 🏢 Description: You will join a high-performing team of software engineers, with the ability to work on the backend or full stack, but primarily working on the backend, and taking responsibility for implementing a range of new application features, as well as improving the architecture, performance, scalability, and resilience of the existing product. Responsibilities Design and implement clean, modular, scalable, and testable code for the Java backend. Conducting performance analysis and profiling for backend systems and databases, ensuring the system’s scalability and high performance. Apply advanced testing and debugging methods to resolve complex software issues. Work collaboratively with local and distributed teams in an Agile environment to continuously enhance product functionality. Required skills and qualifications 5+ years of hands-on backend software development, with an in-depth knowledge of core Java/JDK. Solid understanding of software architecture, design patterns, and core software engineering principles. (Experience designing and implementing high-performance, multithreaded, state-driven systems. Proficiency in creating meaningful automated tests (we use JUnit) and applying advanced testing and debugging techniques. In-depth knowledge of relational databases (we use Postgres) and ORM technologies such as Hibernate/JPA. Strong communication skills with the ability to effectively interface with stakeholders. Excellent problem-solving skills with a strong capacity for independent work. Ability to work both independently and collaboratively as part of a team in an Agile environment. Communicative English Preferred skills and qualifications Bachelor's or Master's degree in Computer Science, Engineering, or a related subject. Experience developing REST APIs using JAX-RS, Spring, or similar technologies. 2+ years of experience with Angular or similar modern frontend frameworks. Experience with E2E testing frameworks such as Playwright or Cypress. Mentorship, coaching, or leadership experience or demonstrable aptitude. In return for your expertise, we’ll support you in this new challenge with coaching & development every step of the way. Also, to reward your work, you’ll get the following: Contract of Employment (UoP) Private medical coverage, Multisport Life insurance (two annual incomes), Employee Stock Purchase Plan – 15% discount for buying Motorola’s Stock units, Employee Pension Plan – 3,5 % of the month’s salary gross, which goes to the retirement account IP Tax Relief (up to 80%) Yearly salary increase (depends on individual performance) Yearly bonus (depends on company performance) Flexible working hours (usually the day starts between 7-10), 8 hours working day (30 minutes lunch break included). Hybrid work mode