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  • Senior Backend Engineer (Java, Spring Boot, AWS)
    New

    Senior Backend Engineer (Java, Spring Boot, AWS)

    Warszawa
    130 - 160 PLN/hNet per hour - B2B
    Type of work
    Full-time
    Experience
    Senior
    Employment Type
    B2B
    Operating mode
    Remote
    Link Group

    Link Group

    Hundreds of IT opportunities are waiting for you—let’s make it happen! Since 2016, our team of tech enthusiasts has been building exceptional IT teams for Fortune 500 companies and startups worldwide. Join impactful projects in BFSI, CPG, Industrial, and Life Sciences & Healthcare industries. Work with cutting-edge technologies like Cloud, Business Intelligence, Data, and SAP. Unlock your potential, grow your skills, and collaborate with top global clients. Ready for your next big career move? Let’s link with us!

    Company profile

    Tech stack

      AWS

      advanced

      PostgreSQL

      advanced

      OpenAPI

      advanced

      Hibernate

      advanced

      Kubernetes

      advanced

      Java

      advanced

      SQL

      advanced

      GraphQL

      advanced

      Spring Boot

      advanced

      RESTful

      nice to have

    Job description

    About the Role

    We are looking for an experienced Backend Engineer with strong Java development skills to join our engineering team. You will play a key role in developing technical solutions for complex business challenges in purchasing and supply chain management. This position offers the opportunity to work on scalable microservices, collaborate across teams, and take ownership of core product features.


    Responsibilities

    • Develop and maintain backend services using Java (8+), Spring Boot (3+), and Hibernate
    • Design and implement scalable RESTful and GraphQL APIs, ensuring compliance with OpenAPI standards
    • Optimize and manage relational databases (PostgreSQL), including advanced SQL query tuning and JPA persistence
    • Deploy and manage applications on AWS (ECR, ECS, SQS, RDS)
    • Utilize Docker for containerization and orchestration in Kubernetes environments
    • Ensure high-quality code, adhering to best practices in software security, maintainability, and scalability
    • Collaborate in Agile teams, using Git, GitHub, and CI/CD pipelines


    Requirements

    ✅ 8+ years of experience with Java, Spring Boot, and Hibernate

    ✅ Strong knowledge of data structures, algorithms, OOP, and distributed systems

    ✅ 5+ years of experience working with PostgreSQL, SQL, and JPA

    ✅ Expertise in REST APIs and service-oriented architecture

    ✅ Hands-on experience with AWS services (ECR, ECS, SQS, RDS) and Docker/Kubernetes

    ✅ Proficiency in CI/CD processes and version control (Git, GitHub)

    ✅ Excellent problem-solving skills and attention to detail


    Nice to Have

    ➕ Basic knowledge of JavaScript, React

    ➕ Experience with Agile methodologies and open-source contributions

    130 - 160 PLN/h

    Net per hour - B2B

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