Mid-Level Backend Engineer
Offer summary
Qualifications:
Proficiency in TypeScript (Node.js) and strong understanding of system design., Experience in high-concurrency environments and background job processing., Solid knowledge of relational databases, particularly PostgreSQL., Familiarity with API rate limits, batching, and caching strategies..Key responsabilities:
- Design and maintain scalable backend services and optimize APIs for high throughput.
- Build and maintain modular indexing pipelines for on-chain data.
- Collaborate with a cross-functional team to quickly ship features and improve architecture.
- Continuously profile and optimize memory/resource usage for long-running services.
Job description
Who We Are
Supra is pioneering the future of information services in global markets. As an exciting, ambitious, and well-funded startup with unique technical capabilities, we aim to be a future leader in decentralized data. Our team includes professionals, academics, and advisors with experience from leading institutions such as Purdue University, University of Cambridge, University of Pennsylvania, Columbia University, and University of Oxford. Additionally, our industry experience includes prestigious companies like JPMorgan Chase & Co., Qualcomm, ConsenSys, and Binance. Based in Switzerland with a remote-first policy, our globally distributed team spans over 35 countries. We are dedicated to solving the Oracle Dilemma through innovative solutions in consensus mechanisms, real-time data services, decentralized finance (DeFi), and Layer 1 (L1) technologies.
Trust, kindness, honesty, and a commitment to ethical, decentralized technologies are the cornerstones of our culture.
Who You Are
Are you an experienced engineer who is passionate about solving complex problems and seeing your solutions come to life? Do you possess a strong work ethic and a lifelong learning mindset? If so, we would love to have you on our team!
At Supra, we understand that your job does not end with the deployment of code. We are committed to creating a supportive environment that encourages personal and professional growth. We believe in empowering our staff to venture into uncharted territories and to adjust their opinions based on new information.
We value clear and reflective communication, and we challenge our team members to be the most authentic and genuine versions of themselves.
With years of experience refining your engineering skills, you are now ready to make a positive impact on the world. Supra is the perfect place for you to do just that.
Join us and work alongside a team of like-minded individuals who share your passion for building innovative solutions.
Take pride in being part of a culture that aligns with your values, and help us build a team that you genuinely enjoy working with. Apply today and become part of something truly special at Supra!
About the product you will be working on: SupraScan
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!
Looking Ahead
Regular check-ins with your manager will help align your priorities with our team and company goals, setting you up for success. At Supra, you're not just joining a company but embarking on a journey to enhance blockchain technology with a team of exceptional individuals.
Required profile
Experience
Hard Skills
Other Skills
- Proactivity
- Teamwork
- Communication
- Problem Solving
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