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BlackStone eIT

Senior Backend Developer - Node.js

BlackStone eIT Berlin, Germany

IT Services and IT Consulting · 1,001-5,000 employees

6 h ago
Remote nodejs Senior (5-10 yrs) Full-time Germany
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About the role

Design, develop, and maintain scalable backend microservices using Node.js and TypeScript while supporting RESTful and GraphQL APIs. Investigate and resolve complex production incidents across workflows, messaging systems, databases, and external integrations.

What they look for

Node.js TypeScript Microservices RESTful APIs GraphQL Camunda RabbitMQ Azure Service Bus Git GitLab Java Spring Boot Oracle Database Troubleshooting Root cause analysis Production support

Requirements

Requires 6-7 years of hands-on experience in backend development with strong expertise in microservices architecture and messaging platforms. Proficiency in Node.js, TypeScript, and database management is essential, with a preference for Java/Spring Boot and Camunda experience.

Full description

Job Summary

We are seeking a Senior Backend Developer with 6-7 years of experience in backend development using Node.js and TypeScript. The ideal candidate will have strong expertise in developing scalable microservices, enterprise integrations, API development, and production support. The role requires excellent troubleshooting and problem-solving capabilities to investigate and resolve complex issues across microservices, workflows, messaging systems, databases, and external integrations.

Key Responsibilities

  • Design, develop, and maintain backend applications and microservices using Node.js and TypeScript.
  • Build, enhance, and support RESTful APIs and GraphQL services.
  • Develop, maintain, and troubleshoot Camunda workflows (Camunda experience is a plus but not mandatory; training will be provided).
  • Investigate and resolve workflow execution issues, stuck processes, worker failures, and production incidents.
  • Develop and support messaging integrations using RabbitMQ and Azure Service Bus.
  • Diagnose and resolve production issues across APIs, microservices, workflows, messaging queues, databases, and third-party integrations.
  • Conduct root cause analysis and implement long-term technical solutions.
  • Manage source code using Git/GitLab, including branching, merging, rebasing, cherry-picking, conflict resolution, and release management.
  • Understand, support, and troubleshoot existing Java/Spring Boot services.
  • Participate in code reviews, deployments, production support activities, and critical incident resolution.
  • Collaborate closely with DevOps, Infrastructure, QA, and Integration teams to deliver high-quality solutions.
  • Work with Oracle Databases and troubleshoot database performance and application-related issues.

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6-7 years of hands-on experience in backend software development.

Strong expertise in Node.js, TypeScript, and microservices architecture.

Experience developing and supporting REST APIs and GraphQL APIs.

Hands-on experience with RabbitMQ, Azure Service Bus, or similar messaging platforms.

Strong production support, troubleshooting, and problem-resolution skills.

Experience with Git/GitLab version control and release management practices.

Good understanding of database concepts and experience with Oracle Database.

Ability to investigate issues across distributed systems and enterprise integrations.

Experience with Java/Spring Boot support and troubleshooting is highly preferred.

Experience with workflow engines such as Camunda is a plus.

Strong analytical, communication, and problem-solving skills.

Arabic language proficiency is mandatory.

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