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Klimb.io

Backend Developer

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Description

As a Backend Developer, you will own the development and scaling of our backend platforms and microservices. You will collaborate closely with frontend engineers, product managers, and architects to deliver robust, high-performing, and delightful experiences to our users. This role requires deep ownership, strong technical judgment, and a passion for building world-class consumer-facing server systems. The candidate is expected to work from the office for 5 days a week.


Requirements:

  • 3-6 years of experience in backend/system development.
  • Strong proficiency in Java, Spring Boot, and Spring JPA.
  • Solid understanding of microservice architecture and its design patterns.
  • Understanding of containerization and orchestration tools like Docker, AWS ECS, etc.
  • Deep experience with relational databases (PostgreSQL/MySQL RDBMS design, performance tuning, SQL).
  • Practical experience with Redis for caching and data structure handling.
  • Expertise in designing and integrating RESTful APIs in scalable systems.
  • Solid understanding of version control Git and code quality practices.
  • Familiarity with AWS EC2 S3 RDS, Lambda, ECS, etc.
  • Experience with asynchronous/event-driven architectures: Kafka/RabbitMQ/SQS.
  • Good debugging skills and a disciplined approach to testing and system monitoring.
  • Must have an AI-first approach. If you are not using Claude Code (or something similar) day in and day out, this is not the job for you.
  • Must understand the nuances of working in an early-stage startup.
  • Must be able to operate in a setting of chaos and ambiguity.
  • Must be able to context-switch often.

Skills

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