Full Stack Engineer, Multichain Trading & Observability

Full Stack Engineer, Multichain Trading  & Observability

Polychain is looking for a Full Stack Engineer, Multichain Trading & Observability, who will be pivotal in developing a first of its kind infrastructure for institutional access to liquid markets. The role involves building a full suite of software to securely acquire tokens via onchain and offchain methodologies, build out robust controls, and visualize and monitor portfolios of liquid tokens.

Key Responsibilities:

Front-End Development

User Interfaces:

Build intuitive and performant UI components for:

• Quick trade execution.
• Portfolio dashboards for real-time PnL data.
• Risk management tools for setting robust controls.
• Real time alerting for risk breaches, market volatility or position concentration.

Cross-Chain Trading Integration:

• Ability to interact with the Ethereum ecosystem (L1 & L2).
• Ability to interact with other major L1s.

Visualization & Reporting:

• Implement dynamic charts, heat maps and real-time PnL reporting, transaction history, and risk metrics.
  
  

Back-End & API Development

Order Execution:

• Develop APIs and services to communicate with CEXs, DEXs, and aggregators enabling advanced order types and rapid execution.
• Develop APIs to inform optimal trading avenues based on real-time market metrics.
• Develop APIs for chain abstraction to implement uniform interfaces that allow for seamless execution across multiple networks.

Risk & Compliance Checks:

• Pre-Trade Risk Checks: Enforce pre-trade risk checks at a transaction level.
• On-chain Verification: Verify smart contract code and interactions where necessary to avoid faulty or malicious execution paths.
• Automate position exits: Enable Risk Managers and Analysts to automate partial or full position exits based on predefined triggers.

Observability:

• Record a transparent audit trail for every trade, deposit, withdrawal, and bridging event, accessible in real time by Risk and Portfolio Managers.
• Build robust monitoring systems that trigger alerts on order failures, missed confirmations, or unusual trade flows, facilitating quick incident response by both the Portfolio Manager and the Security team.
• Build granular PnL dashboards with the ability to view metrics for any analyst, chain, or wallet address.

Infrastructure & DevOps:

• Design cloud-based, containerized infrastructure with an emphasis on secure software development.
  
  

Cross-Functional Collaboration:

• Take ownership of implementing the Hedge Fund team’s product roadmap while actively collaborating with other stakeholders to ensure their needs are met and the overall solution is successful.

Requirements

• Bachelor’s/Master’s degree in Computer Science.
• Expert-level experience with modern backend technologies (GO, node.js, Python).
• Full stack proficiency with front-end frameworks (React, Vue, or Angular).
• Proven track record of working with Ethereum and other L1s with a demonstrated understanding of DEX and aggregator architecture and familiarity with cross-chain bridging.
• Strong experience with designing REST/GraphQL APIs and integrating with third-party services.
• Experience with SQL/NoSQL database, real-time data streaming and event driven architectures.
• Strong understanding of cryptographic primitives around key management lifecycle.
• Security first mindset in building systems that are secure by design and secure by default.
• Familiarity with modern clouds (GCP, AWS), containerization (Docker, Kubernetes), CI/CD, logging and observability stack (Prometheus, Grafana, AWS Cloud watch)
• Familiarity with smart contracts.
• Preferred background with financial risk management infrastructure development.
• 3-5 years of experience.
• A genuine passion for cryptocurrency and blockchain technology. 
• Resourceful and solutions-oriented thinker; comfortable operating in an environment of ambiguity and little structure.

Competitive Compensation:  $150,000 - $170,000 annual salary (dependent on experience) plus eligibility for discretionary annual performance bonus.

Polychain is an equal opportunity workplace and is an affirmative action employer. Polychain does not make hiring or employment decisions on the basis of race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other basis protected by applicable local, state or federal law. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law.