Senior Backend Engineer

Justt Israel

About The Position

Justt’s smart technology and in-house expertise successfully resolves chargebacks for merchants, automatically reuniting them with their revenue. Justt’s proprietary AI pulls the best evidence to build merchants’ most compelling defense and keeps getting smarter with time, so win rates continue to grow, outperforming all other alternatives.

Our technology ensures merchants can focus on building their business and strengthening customer relationships instead of wasting time on complex payment disputes.

As a Senior Backend Engineer, you’ll be a significant part of leading our technology evolution. You’ll design, implement and restructure complex scalable systems.

What you’ll be doing:

  • Responsible for implementing business functionality in a microservices based system from planning to production
  • Take part of all aspects of agile software development including design, implementation, testing and deployment
  • Responsible for the end-to-end lifecycle of new product features / components
  • Ensuring compliance with various quality attributes, such as performance, availability, scaleability, etc., while maintaining high standards of code quality and thoughtful application design
  • Work with a small, cross-functional team on products and features that drive growth
  • Research, suggest, and integrate new technologies to boost our products impact
  • Drive the product development by making important technical decisions, influencing the system architecture, development practices and more


  • 6+ years experience in backend software development in Node.js, Python or similar 
  • Experience in designing, implementing, deploying and maintaining a high scale, production-grade system
  • Experience with event-driven microservices systems
  • Hands-on experience implementing RESTful/RPC APIs and message-based inter-service communication
  • Strong OOP/OOD and design patterns
  • Hands-on experience with SQL & NoSQL databases such as MongoDb, Redis, DynamoDB, or similar data stores
  • Prior experience with Cloud Services and Cloud Computing platforms (e.g. AWS, GCP, Azure) and working in microservices distributed environments (Docker / Swarm, Kubernetes)
  • Solid system design/architecture skills and a technological expertise
  • Drive to promote quality and lead continuous improvements in your team’s ways of work
  • Bachelor degree in Computer Science, Software Engineering, or a related field

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