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Senior Backend Developer (Node.js, NestJS, TypeScript)

Company: Intetics

Job Location: Germany

Job Type: FULL_TIME - (ON_SITE)

Date Posted: April 06, 2025

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Description:
Intetics is looking for a Senior Backend Developer to join our team. The ideal candidate will have 6+ years of experience working with modern backend technologies, particularly in high-load and high-concurrency environments. Experience with message queues/event-driven architecture and a strong understanding of databases, especially MySQL, is essential. The successful candidate will also have experience in the gaming industry.

Primary Responsibilities:

  • Develop and maintain backend systems using Node.js, NestJS, and TypeScript.
  • Implement event-driven architecture using RabbitMQ, Kafka, or AWS SQS.
  • Work with TypeORM for efficient database connection management.
  • Design, develop, and optimize APIs to handle high-concurrency applications.
  • Manage and scale MySQL databases (version 8+) in high-load scenarios.
  • Ensure system reliability and scalability in high-traffic environments.
  • Write unit, load, and E2E tests to ensure code quality.
  • Collaborate with cross-functional teams to deliver complex technical solutions.

6+ years of professional experience in backend development.

Expert-level proficiency in NestJS, Node.js, and TypeScript.

Strong knowledge of TypeORM and connection pools.

Experience with message queues/event-driven architecture (RabbitMQ, Kafka, AWS SQS).

Deep understanding of MySQL (version 8+), high-load scenarios, transactions, grants, and scalability.

Hands-on experience with high-concurrency applications.

Proficiency in unit testing, load testing, and E2E testing (Jest, k6, Cypress, Selenium).

Strong communication skills and team collaboration.

Experience in the gaming industry is preferred.

Engagement Details:

  • Remote position
  • Long-term role (1+ year after a successful 1-month initial period)
  • 190-220 working hours/month (full-time or part-time options available)

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

“Albert Schweitzer”
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