Senior Software Engineer (Java or Node.js)

170 - 180 PLNNet per hour - B2B

Senior Software Engineer (Java or Node.js)

Java

-, Warszawa +4 Locations

Link Group

170 - 180 PLN
Net per hour - B2B
Full-time
B2B
Senior
Remote

Tech stack

    Java

    advanced

    Node.js

    advanced

    MuleSoft

    advanced

    API

    advanced

    AWS

    advanced

    REST

    advanced

    SOAP

    advanced

    DevOps

    advanced

    Git

    advanced

    CI/CD

    advanced

Job description

Key Responsibilities

  • Design, develop, and maintain APIs, backend services, and integrations using MuleSoft Anypoint.

  • Build scalable and secure backend applications in Java or Node.js.

  • Collaborate with product, architecture, and cross-functional teams to deliver end-to-end integration solutions.

  • Ensure seamless connectivity between enterprise applications, third-party systems, and cloud services.

  • Contribute to solution design, technical roadmaps, and best practices for API-led connectivity.

  • Optimize system performance, security, and reliability.


Qualifications

  • 5+ years of professional software engineering experience.

  • Strong experience in backend development with Java or Node.js.

  • Proven expertise with MuleSoft Anypoint Platform (API design, implementation, deployment).

  • Hands-on experience with AWS Cloud services (e.g., Lambda, API Gateway, S3, ECS, RDS).

  • Solid understanding of API design principles (REST, SOAP, microservices).

  • Strong problem-solving skills and ability to design scalable solutions.

  • Excellent communication and collaboration skills.


Nice to Have

  • Familiarity with DevOps tools (Git, CI/CD pipelines, automated testing).

  • Knowledge of containerization (Docker, Kubernetes).

  • Exposure to other integration platforms or middleware solutions.

Published: 21.08.2025

Meet the company

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!

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