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Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates extensive experience in building and maintaining backend services using Go and TypeScript, along with frontend development in React. Proficient in smart wallet integration, API design, and ensuring security in blockchain applications.
Highest-signal resume keywords
Go ProgrammingTypeScript DevelopmentReact Frontend DevelopmentSmart Wallet IntegrationAPI Design
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Commercial Software DevelopmentDApps DevelopmentProduction Services ExperienceAsynchronous MessagingEvent-Driven DesignPostgreSQLRedisREST APIsGRPC APIsUnit Testing
Tools & Technologies
DockerKubernetesKafkaRabbitMQNATSDatadogAI Coding Tools
Industry Keywords
Smart ContractsWeb Security FundamentalsEVMUserOperationsERC-1271Wallet SignersOn-Chain EventsCode ReviewCI/CDObservability
Tech Stack
Tools & technologiesDockerGRPCJavaScriptKafkaKubernetesNode.jsOraclePostgresRabbitMQReactRedisSoliditySwitchingTypeScriptGo
About the role
Key responsibilities & impact- Build backend services in Go and TypeScript for chain indexing, transaction relaying, event processing, and APIs for dApps and SDKs
- Build infrastructure backend services for tokenizing in-game items and currencies
- Build dApp frontends in React, including wallet connection, transaction signing, and on-chain state in the UI
- Integrate smart wallets into products, including accounts, paymasters, and bundlers
- Develop SDKs used by game studios and partners
- Monitor services and contracts in production and participate in on-call rotation
- Review code
- Set up and maintain AI tooling in repositories
- Own features end to end across backend, frontend, and production
- Own on-chain/off-chain product architecture and document technical decisions
- Ensure security and correctness for signing flows, user-asset contracts, keys, and secrets
Requirements
What you’ll need- 5+ years of commercial software development
- Senior-level production experience across backend and frontend
- dApps shipped to production and maintained
- Production experience with viem and wagmi
- Knowledge of wallet signers, EOAs, browser and embedded wallets, smart accounts, personal_sign, EIP-191, EIP-712, EIP-1193, and network switching
- Hands-on experience with smart wallets, UserOperations, paymasters, and ERC-1271
- Production services experience with Go and TypeScript (Node.js)
- Experience processing on-chain events, including idempotency, reorg handling, and retries
- Experience with asynchronous messaging and event-driven design using Kafka, RabbitMQ, or NATS
- Experience with PostgreSQL and Redis
- Experience designing REST and gRPC APIs
- React and TypeScript knowledge
- Web security fundamentals including XSS, CSRF, and CSP
- Ability to read and understand Solidity contracts and the EVM
- Knowledge of smart contract vulnerabilities including reentrancy, front-running/MEV, oracle manipulation, and signature replay
- Docker and Kubernetes experience
- Observability experience with Datadog or comparable tools
- Unit, integration, and E2E testing experience
- Git and CI/CD experience
- Daily hands-on use of AI coding tools such as Claude Code, Codex, or Cursor
- Spoken English at B2 level or higher
Benefits
Comp & perks- Medical, dental, and vision coverage
- PTO
- Personalized career roadmap for each employee
- Training and educational opportunities for professional development
- Flexible schedule
- Employment agreement with entity or EOR arranged per candidate location