Senior Developer

About OpenVector

We build at the intersection of Web3, AI, fintech, and security, creating secure and scalable infrastructure and applications for the next generation of decentralized products.

We're looking for a Senior Full Stack Web3 Developer to take ownership of critical product initiatives across frontend, backend, and blockchain systems. You will help drive technical decisions, build scalable infrastructure, and contribute to the development of secure Web3 products.

What You’ll Do

Lead the development and delivery of end-to-end product features across frontend, backend, and blockchain integrations

Architect and implement wallet, dApp, and Web3 infrastructure components

Design and maintain scalable RESTful and/or GraphQL APIs

Collaborate cross-functionally with product, design, and security

Own the deployment lifecycle from development to production

Review code, improve engineering standards, and mentor junior developers

Contribute to architecture decisions with a security-first mindset

Must Have

Strong proficiency in C/C++, understanding of API design, distributed systems, and backend architecture

Strong proficiency in JavaScript, TypeScript, and modern software engineering practices

Strong understanding of data structures, system design, and backend problem solving

Experience with Docker and containerized deployment workflows

Experience workinng with MongoDB, PostgreSQL, or similar databases

Understanding of Web3 fundamentals including wallets, smart contracts, and blockchain transactions

Hands-on Web3 development experience in production environments

Good to Have

Rust, Kubernetes, WebAssembly, GraphQL

Exposure to crypto wallets, key management, or security-sensitive applications

Exposure to security reviews, audits, or security-focused development practices

Testing experience using Jest, Playwright, Cypress, or equivalent frameworks

Benefits

Flexible work environment (hybrid)

In-office meals and refreshments

Health Insurance