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CommIT

Senior Backend Engineer (Node.js)

CommIT Tel-Aviv, Tel-Aviv District, Israel

Software Development · 501-1,000 employees

13 h ago
nodejs Senior (5-10 yrs) Full-time Israel
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About the role

Design and maintain scalable, high-availability backend services in cloud-native environments with end-to-end ownership. Collaborate with product teams to translate business requirements into technical solutions while mentoring other engineers.

What they look for

Node.js TypeScript Backend Development Microservices Event-driven Architecture AWS NoSQL MongoDB Redis Docker System Architecture API Design Data Modeling Cloud-native Software Design

Requirements

Requires 5+ years of experience building scalable backend systems and web applications using Node.js and TypeScript. Candidates must have expertise in microservices, event-driven flows, cloud environments, and NoSQL databases.

Full description

The company is a leading direct-to-consumer platform for app publishers, processing more than $1B annually. As a Senior Backend Engineer you will build and evolve core backend systems — high-scale, cloud-native services that power critical business flows — with end-to-end ownership from design and architecture to production, monitoring, and continuous improvement.

Responsibilities:

  • Design and maintain scalable, high-availability backend services in cloud-native environments.
  • Own features end-to-end: design, implementation, deployment, monitoring, and optimization.
  • Contribute to system architecture, API design, data modeling, and event-driven flows.
  • Write maintainable code and participate in design/code reviews.
  • Optimize performance, reliability, and resource usage.
  • Collaborate with Product on translating business requirements into technical solutions.
  • Mentor other engineers and improve engineering standards.

Requirements

Requirements (must-have):

  • 5+ years building scalable backend systems and end-to-end web applications.
  • Strong Node.js/TypeScript backend development.
  • Microservice architecture design and implementation; event-driven flows.
  • Cloud-based environments (AWS preferred).
  • NoSQL databases (MongoDB) and caching solutions (Redis).
  • Docker containerization experience.
  • Production-grade system architecture and software design knowledge.
  • Ownership mindset, strong problem-solving; startup experience valued.

Nice to have:

  • Kubernetes experience.

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