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Backend Engineer
Backend EngineerWavesReach • Vancouver, BC, Canada
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Backend Engineer

Backend Engineer

WavesReach • Vancouver, BC, Canada
30+ days ago
Job type
  • Full-time
  • Quick Apply
Job description

We are looking for a skilled and execution-driven Backend Engineer to design, build, and scale core backend services powering AllScales business. This role requires strong backend engineering fundamentals, hands-on experience with production systems, and the ability to work in high-performance, scalable environments.

Responsibilities

  • Design, develop, and maintain core backend services, including API design, business logic implementation, and system optimization.
  • Build high-performance and scalable backend services using Python (FastAPI, Django, Flask) or Go (Gin, Echo, Fiber).
  • Participate in database schema design, optimization, and maintenance using relational databases (MySQL, PostgreSQL) and NoSQL solutions (MongoDB, etc.) where appropriate.
  • Write and maintain clear API documentation, unit tests, and integration tests to ensure system stability and long-term maintainability.
  • Analyze system performance and address challenges related to high concurrency, high availability, and scalability.
  • Contribute to backend architecture design and refactoring, promoting microservices, modularity, and standardization.
  • Collaborate closely with frontend, product, QA, and DevOps teams to deliver features with high quality and on schedule.
  • Troubleshoot, debug, and resolve production issues to ensure system reliability and uptime.

Requirements

  • Bachelors degree in Computer Science or a related field is preferred.
  • 3+ years of hands-on backend development experience in production environments.
  • Strong proficiency in Python or Go; experience with both is a plus.
  • Practical experience with backend frameworks:
    • Python: FastAPI, Django, Flask
    • Go: Gin, Echo, Fiber, or similar
  • Solid knowledge of relational databases (MySQL, PostgreSQL), strong SQL skills, and experience with query optimization.
  • Experience working with caching systems such as Redis, including understanding common caching challenges (cache penetration, breakdown, avalanche).
  • Familiarity with distributed system concepts: microservices, message queues (Kafka, RabbitMQ, RocketMQ), task queues, and idempotency design.
  • Basic Linux operation skills and familiarity with Docker, Kubernetes, and CI/CD pipelines.
  • Strong coding standards, attention to testing and documentation, and a systematic problem-solving approach.

Nice to Have

  • Hands-on experience with high-concurrency, high-availability, and large-scale data systems.
  • Experience with microservices governance, including service discovery, circuit breaking, rate limiting, and observability (logging, monitoring, tracing).
  • Experience leading or deeply contributing to the design and implementation of complex systems from 0 to 1.
  • Open-source contributions, technical blogging, or public speaking experience.
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Backend Engineer • Vancouver, BC, Canada

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