Vacancy title:
Mid-Level Backend Engineer

[Type: FULL_TIME, Industry: Professional Services, Category: Science & Engineering]

Jobs at:
Supra

Deadline of this Job:
Thursday, July 31 2025

Duty Station:
Kenya | Nairobi | Kenya

Summary
Date Posted: Monday, July 21 2025, Base Salary: Not Disclosed

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JOB DETAILS:

SupraScan is a blockchain-native explorer built on the Supra network. We provide fast, reliable, and developer-friendly access to on-chain data. As we scale, we’re looking for a sharp backend engineer who thrives in a fast-moving, web3-native team.

What You’ll Do

• • Design and maintain scalable backend services in TypeScript
  • Work with PostgreSQL and explore non-relational databases where needed
  • Optimize APIs and background jobs to handle high throughput and parallel processing
  • Efficiently handle RPC calls and implement rate limiting, batching, and caching strategies
  • Build and maintain modular, reusable indexing pipelines for on-chain data
  • Design systems that gracefully handle blockchain forks and reorgs
  • Write clean, maintainable, and extensible code using object-oriented programming principles
  • Collaborate with a cross-functional team to ship features quickly
  • Contribute to improving architecture, developer workflows, and system observability
  • Continuously profile and optimize 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 (e.g., Node.js heap snapshots, pprof)
  • 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

  Nice to Have

  • Experience with blockchain concepts, especially forks and chain reorgs
  • Background in real-time or streaming data processing (Kafka, Flink, GraphQL subscriptions)
  • Familiarity with Docker, GraphQL, or microservices architecture
  • Exposure to monitoring tools and practices (e.g., Prometheus, Grafana)
  • Knowledge of non-relational databases (e.g., Redis, MongoDB)
  • Open to learning Rust or Go is a plus

What's In It For You

Joining Supra means joining a fast-growing startup with a diverse and dynamic team. Every role is impactful, allowing you to engage in meaningful work that contributes to our success.

You will enjoy the flexibility of a fully remote environment with adaptable working hours, enabling you to work from anywhere globally.

• Competitive Compensation: We offer competitive compensation packages aligned with market standards.
• Work-Life Balance: Eligible team members have access to flexible paid time off, sick leave, and other time-off options, adjusted in line with local regulations.
• National Holidays: We recognize national holidays specific to each team member’s country and provide paid leave in accordance with local guidelines.
• Health Benefits: Comprehensive health coverage options, including medical, dental, and vision benefits, are available to full-time employees where applicable.

Getting Started with Supra

We believe in giving you the space to settle in. Your first month is about orientation and learning:

• Engage with your team to understand our business, vision, mission, and strategic goals.
• Enhance your skills to navigate the evolving DeFi landscape.
• Absorb our core values and establish connections with your colleagues through one-on-one meetings.
• Familiarize yourself with the tools and processes vital to our operations.
• Analyze our product offerings and contribute to discussions that shape our future.

We're here to support your integration and ensure you have the resources you need!

Work Hours: 8

Experience in Months: 12

Level of Education: bachelor degree

Job application procedure

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