Fullstack Developer

Developer Full Stack ReactJS

Company

Minswap Labs

Salary

$800 - 1,200

Location

Hanoi

Vacancies

2 person(s)

Benefit

Work-from-home

Travel/company trips

Laptop/desktop for works

Performance bonus

Free lunch and Snacks

Extra health insurance

13th month salary

Yearly salary review

Job Overview And Responsibility

Design and implement robust GraphQL/RESTful APIs while building intuitive, high-performance front-end interfaces in collaboration with product and design teams. Develop and maintain custom indexers (Cardano and Sui) to transform on-chain data into optimized PostgreSQL databases and interact directly with smart contracts. Optimize system-wide performance using Redis caching, high-efficiency SQL execution, and front-end refinements for accessibility and responsiveness. Write and maintain ETL code to build out the data platform, ensuring seamless data flow from blockchain protocols to OLTP environments. Further optimize the front-end for performance, compatibility, accessibility and responsiveness. Write clean, maintainable code and lead peer code reviews to ensure high engineering standards across the full stack.

Required Skills and Experience

- Education: Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience). - Frontend Experience: 2+ years of experience building web applications with modern JavaScript frameworks, with a strong emphasis on React.js. OR - Backend Experience: 2+ years of experience in at least one back-end programming language (e.g., TypeScript, Java, Go, Rust, Python) and working with SQL databases. Core Technical Skills - Deep understanding of JavaScript fundamentals, including ES6+ syntax and features. - Experience in server-side JavaScript/TypeScript using Node.js (e.g., Express, NestJS, or Fastify), asynchronous programming and event-driven architecture. - Seasoned in TypeScript, focusing on type safety and code maintainability. - Experience with message brokers, caching, or event streaming platforms (e.g., Redis, Kafka, RabbitMQ). - Experience with relational database architecture and data modeling, specifically working with PostgreSQL. - Experience with Next.js and Server-Side Rendering (SSR) techniques. - Experience with web security best practices, common vulnerabilities, and optimizing web applications for performance and accessibility. - Experience with testing frameworks and methodologies (e.g., Jest, React Testing Library). - Familiarity with build tools (e.g., Webpack, Parcel, Rollup) as well as CI/CD pipelines and deployment workflows. Soft Skills - Language: Ability to communicate and work effectively in English. - Problem-Solving: Strong critical thinking and creative problem-solving skills. - Teamwork: Excellent communication and collaboration skills, with the ability to work both independently and as part of a team.