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Mid-Level Backend Engineer

Mid-Level Backend Engineer to design and maintain scalable backend services.
Supra
Remote
Switzerland
Undisclosed salary
Job Description
Supra, a pioneering company in decentralized data solutions, is seeking a Mid-Level Backend Engineer to join their remote-first team. The ideal candidate will be passionate about solving complex problems and contributing to innovative solutions in the web3 space. This role involves working on SupraScan, a blockchain-native explorer built on the Supra network, providing fast and reliable access to on-chain data.Supra values trust, kindness, honesty, and a commitment to ethical, decentralized technologies, fostering a supportive environment for personal and professional growth.What this role involves:
  • Designing and maintaining scalable backend services in TypeScript.
  • Working with PostgreSQL and exploring non-relational databases.
  • Optimizing APIs and background jobs for high throughput and parallel processing.
  • Handling RPC calls and implementing rate limiting, batching, and caching strategies.
  • Building and maintaining modular, reusable indexing pipelines for on-chain data.
  • Designing systems that gracefully handle blockchain forks and reorgs.
  • Collaborating with a cross-functional team to ship features quickly.
  • Contributing to improving architecture, developer workflows, and system observability.
  • Continuously profiling and optimizing memory/resource usage for long-running services.
Requirements:
  • Proficiency in TypeScript (Node.js).
  • Strong understanding of system design and object-oriented programming.
  • Experience in high-concurrency environments and background job processing.
  • Solid knowledge of relational databases (e.g., PostgreSQL).
  • Experience with worker queues (e.g., BullMQ, RabbitMQ).
  • Familiarity with handling API rate limits, batching, and caching strategies.
  • Understanding of memory management and tools for diagnosing memory leaks.
  • Comfortable working within the members UTC +7 to +9(Asia Timezone), UTC -5 to -8 (US Timezone)
  • Self-driven, proactive, and eager to learn post-onboarding.
What Supra offers:
  • Competitive compensation packages aligned with market standards.
  • Flexible paid time off, sick leave, and other time-off options.
  • Comprehensive health coverage options, including medical, dental, and vision benefits (where applicable).
  • Fully remote environment with adaptable working hours.
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