Applications Engineer
Key To Web3 · Austin, USA ·
- Work mode
- Remote
- Category
- Industrial engineering
- Experience
- 4+ years
Applications Engineer
We are hiring an Applications Engineer to help develop and optimize high-performance web and backend systems across compute infrastructure.
Key Responsibilities:
- Build and maintain web applications using TypeScript, React, and modern frameworks.
- Develop and maintain APIs using Fastify, tRPC, GraphQL, gRPC, and REST.
- Participate in architecture discussions and propose scalable, secure solutions.
- Write modular, testable code focused on long-term maintainability.
- Create and run test plans to ensure software quality.
- Monitor system performance and address bottlenecks.
- Document architecture, APIs, and internal processes.
- Contribute to feature development and iterative product improvements.
- Work cross-functionally with design, product, and engineering teams.
- Participate in Agile workflows (sprint planning, standups, retrospectives).
Key Requirements:
- Proficiency in TypeScript, NextJS, Fastify, tRPC, Drizzle, REST, and PostgreSQL.
- Experience building backend microservices with NodeJS.
- Solid understanding of API architecture and server-side development.
- Strong database skills with query optimization and performance tuning.
- 4+ years of experience in software engineering.
- Experience delivering production-scale systems.
- Bachelor's degree in computer science or related field—or equivalent experience.
- Familiarity with Agile development practices.
- Experience working in early-stage or scaling environments.
- Interest in building user-friendly and accessible interfaces.
- Ability to write clean, maintainable code and follow engineering best practices.
- Strong collaboration skills with cross-functional teams.
- Proactive in identifying technical and process improvements.