Full Stack Engineer, Reporting Systems

Summary

Join Polychain as a versatile Full Stack Engineer to design and build data pipelines, APIs, and user interfaces for our reporting systems. You will work across the entire stack, from ingesting cryptocurrency data to creating dashboards for portfolio managers. Key responsibilities include backend API development, data normalization and storage, frontend development, systems integration, and cross-functional collaboration. You will also ensure compliance and security. The ideal candidate will have a Bachelor's or Master's degree in a related field, 3-5 years of full-stack engineering experience, and proficiency in various technologies. Competitive compensation is offered.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Data Science, or related field
• 3–5 years of professional full-stack engineering experience
• Backend proficiency with Go, Node.js, or Python
• Frontend expertise with React and TypeScript (or equivalent)
• Proven experience designing, building, and consuming APIs at scale, ideally involving crypto or fintech data
• Advanced SQL skills and comfort working with Postgres, BigQuery, or similar
• Experience visualizing data using tools like D3, Recharts, or Plotly
• Solid understanding of blockchain fundamentals: on-chain transactions, smart contract events, and DeFi protocols
• Strong communication skills and ability to collaborate across technical and non-technical teams
• Comfortable working in ambiguity and iterating quickly in a fast-paced environment

Responsibilities

• Design, implement, and secure REST/GraphQL endpoints for both on-chain and off-chain data
• Automate data ingestion from exchanges, DeFi protocols, custodians, and OTC counterparties
• Optimize data pipelines for reliability, low latency, and secure transmission
• Normalize diverse crypto data types (trades, transfers, vesting events, price feeds)
• Manage both relational and NoSQL databases; fine-tune indexing and partitioning strategies
• Write performant queries to power real-time dashboards and analytics
• Build and maintain accounting dashboards using React and TypeScript (or similar frameworks)
• Translate complex datasets into intuitive visualizations—tables, charts, KPIs
• Follow best practices in state management, testing, and accessibility
• Integrate internal microservices, third-party APIs, and on-chain data sources
• Extend or maintain low-code tooling (e.g., Retool) when it accelerates delivery
• Work closely with teams across Asset Operations, Finance, and Investments to gather requirements and iterate on solutions
• Document APIs, data models, and UI components to support easy handoffs and team scaling
• Uphold data privacy principles and enforce crypto-specific security best practices
• Participate in code reviews and contribute to threat modeling and secure architecture

Benefits

$150/hour (dependent on experience)