Software Engineer at Coinpilot

Job Description:

## The RoleWe’re seeking a senior engineer to lead backend trading systems and own DevOps across Docker, GitHub Actions CI/CD, and AWS ECS (Fargate). You’ll partner with founders on product strategy, solve complex distributed systems problems, and treat AI tools as core leverage. Frontend/mobile work is occasional; React Native familiarity is sufficient, deeper expertise is a plus. Experience with our exact stack is preferred.## What You’ll Do- Lead backend development: Architect and build low-latency trading services in TypeScript/Node.js with Redis and MongoDB; deliver reliability, scalability, and strong observability.- Own DevOps: Containerize services with Docker, establish and maintain GitHub Actions CI/CD, and deploy/operate on AWS ECS (Fargate) with safe rollbacks and monitoring.- Design APIs and data models: Define REST and WebSocket API specifications (endpoints, message types, auth, rate limiting), and own schema design, indexing, migrations, and data lifecycle.- Distributed systems: Implement resilience (idempotency, retries, circuit breakers) and event-driven workflows.- Performance and security: Profile hot paths, optimize caches and queries, enforce secure coding, secrets/IAM hygiene, and compliance-minded data handling.- Code quality leadership: Drive reviews, testing strategy, and documentation; mentor peers; raise the engineering bar.- Product strategy: Turn ambiguous requirements into iterative roadmaps; communicate trade-offs; measure outcomes.- AI-native development: Use AI tools for implementation, testing, docs, and propose AI-powered features where valuable.- Frontend collaboration (as needed): Provide guidance or light contributions to React/React Native; basic RN knowledge is acceptable.

Job Requirements:

## What You’ll Bring- 6–10+ years building and operating production backends with end-to-end ownership.- Deep expertise in TypeScript and Node.js in production environments.- Redis proficiency (caching, locks, pub/sub) and strong MongoDB experience (schema/index design, performance, aggregation).- Real-time systems experience: WebSockets/streaming, event-driven patterns, consistency and reliability at scale.- DevOps: Docker; CI/CD (GitHub Actions), AWS ECS (Fargate), environment promotion, blue/green or canary, metrics/alerts, cost awareness.- Security: AuthN/AuthZ, secret management, least-privilege IAM, OWASP awareness.- AI tooling: Proficient with AI coding assistants, test generation, doc automation, and pipeline accelerators; strong prompt craft.- Collaboration: Clear communication, product empathy, high ownership, bias for action## Nice To Have- React Native (TypeScript), mobile CI/CD, store releases.- Financial/trading or crypto experience; low-latency systems.- Exchange API trading experience (e.g., Hyperliquid REST/WS, order signing/nonce management, rate limits, order lifecycle); familiarity with other exchange APIs (e.g., Binance, Bybit) is a plus.- IaC (Terraform or AWS CDK); observability stack (CloudWatch, Sentry).- Monorepo experience with pnpm workspaces and shared packages## Our Stack- Languages/Frameworks: TypeScript, Node.js; React/React Native (familiarity sufficient)- Data/Infra: Redis, MongoDB, AWS ECS (Fargate), Docker- CI/CD: GitHub Actions- Tooling: pnpm workspaces, linting/testing, health checks and logging## How We Work- Ownership: You design solutions and drive them to production.- Quality: Strong standards for code, tests, and documentation.- Fast iteration: Small PRs, frequent deploys, data-informed decisions.- AI-native: AI tools as core leverage to build better, faster.## First 90 Days- Deliver a production backend trading capability with strong reliability and observability.- Establish GitHub Actions CI/CD pipelines and ECS (Fargate) deployments with safe rollbacks and monitoring.- Improve system performance and security posture; document critical paths.- Introduce AI-driven improvements that reduce cycle time and defects.- Optionally provide guidance or small contributions to the mobile app.

Benefits:

flexible working hours, remote, equity/tokens