Full Stack Engineer
First seen by Alion on Aug 18, 2026.
About the Role :
We are looking for a Full Stack Engineer with strong problem-solving skills and a solid understanding of modern web technologies. You will work across frontend, backend, APIs, databases, data pipelines, and development infrastructure to build scalable blockchain data systems.
The ideal candidate is product-minded, enjoys solving complex engineering problems, and is excited to work with Web3 and decentralized infrastructure.
Key Responsibilities :
- Build and maintain scalable frontend and backend applications.
- Develop intuitive and high-quality user experiences using React.js / Next.js.
- Build and improve backend services and REST/GraphQL APIs using Node.js and TypeScript.
- Work with relational and NoSQL databases, including PostgreSQL.
- Develop and enhance ETL and blockchain data pipelines.
- Write, test, and deploy Subgraphs / Substreams to production.
- Understand existing architecture and continuously improve system design, performance, and reliability.
- Participate in code reviews and take ownership of production-quality code.
- Contribute to development infrastructure, automation, testing, and CI/CD.
- Troubleshoot issues across infrastructure, middleware, backend, and frontend layers.
- Identify bottlenecks and automate repetitive engineering processes.
- Collaborate with product and engineering teams to deliver scalable solutions.
- Document important technical decisions, systems, and workflows.
Must-Have Skills :
- 2+ years of professional Full Stack / Web Services development experience.
- Strong hands-on experience with JavaScript / TypeScript / ES6+.
- Strong experience with React.js.
- Hands-on experience with Node.js.
- Experience with GraphQL and REST APIs.
- Good understanding of RDBMS / NoSQL databases.
- Hands-on experience with PostgreSQL preferred.
- Experience building APIs/services used by real users at scale.
- Strong problem-solving and debugging skills.
- Experience working with Git/GitHub.
- Familiarity with AWS or any cloud platform.
- Experience working in an Agile development environment.
Good to Have Web3 :
- Understanding of Blockchain / Web3.
- Ethereum / EVM experience.
- Solidity and smart contracts.
- The Graph / Subgraphs / Substreams.
- DeFi, NFTs, DAOs or other Web3 protocols.
- Experience with blockchain data indexing or decentralized infrastructure.
- Rust experience.
What We're Looking For :
- Product-minded engineer who cares about UX and performance.
- Strong ownership and ability to take features from development to production.
- Comfortable working across frontend, backend and infrastructure.
- Curious about blockchain and decentralized technologies.
- Strong communication and collaboration skills.
- Self-driven, detail-oriented and comfortable solving ambiguous problems.
Benefits :
- Mission-focused work environment.
- Competitive compensation.
- Medical insurance.
- Access to Udemy courses.
- Flexible vacation policy.
Skills
Full Stack, Web3.js, Blockchain, React.js, Next.js, REST API, Node.js, TypeScript, NoSQL, Javascript, System Design