Senior Full-Stack Developer

Posted 81ds ago

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Job Description

Senior Backend Developer designing and implementing robust server-side systems for fintech. Contributing to high-performance APIs and collaborating with frontend engineers in a remote setting.

Responsibilities:

  • Design and implement server-side services using Kotlin, Java, and Spring WebFlux
  • Build and maintain fault-tolerant, high-throughput data pipelines
  • Develop and maintain high-performance APIs
  • Collaborate closely with frontend engineers to integrate user-facing features
  • Contribute to PostgreSQL schema design and optimization
  • Improve system throughput and reliability through profiling, tuning, and performance testing
  • Scale services horizontally in a cloud-native environment
  • Integrate performance and reliability checks into CI pipelines
  • Participate in weekly standups, code reviews, and architectural discussions

Requirements:

  • Strong proficiency in Kotlin and/or Java
  • Solid experience with Kotlin coroutines and flows
  • Deep understanding of Spring WebFlux, Reactive Streams, and backpressure
  • Experience building distributed, fault-tolerant systems
  • Strong problem-solving and analytical skills
  • Comfortable working asynchronously across time zones
  • Excellent communication skills (Slack, Loom, async collaboration)
  • Hands-on experience with: PostgreSQL
  • AWS and cloud-native architectures
  • Docker and Kubernetes
  • Strong grasp of the testing pyramid (unit, integration, E2E)
  • Willingness to actively participate in code reviews and technical discussions.

Benefits:

  • Health insurance
  • Remote work options