React jobs in United States

Company DescriptionWith 18 years of experience in technology, DEVELL has delved into the field of Generative Artificial Intelligence since its inception, positioning itself as a significant player in a market full of endless possibilities.

Our deep understanding and practical application of Generative AI make us the ideal partner for companies looking to explore and maximize the potential of this revolutionary technology.

At DEVELL, we convert emerging opportunities into tangible solutions that drive innovation and growth.

We are looking for a Senior Full Stack Engineer (TypeScript) to join our growing engineering team.

You will work on high-impact projects, contributing to front‑end and back‑end solutions that demand scalability, maintainability, and architectural elegance. This is not just about coding – we want someone who can design abstract solutions, implement complex features, and influence technical decisions that shape our platform for years to come.

• Architect, design, and implement scalable full‑stack applications using TypeScript.
• Build and maintain back‑end services with NestJS.
• Contribute to front‑end development using at least two frameworks among Angular, React, Svelte, or Vue.
• Design modular and abstract solutions that reduce complexity and improve maintainability across projects.
• Collaborate with cross‑functional teams (AI, product, design, and infrastructure) to deliver robust solutions.
• Review code, mentor peers, and promote best practices in software engineering.
• Take ownership of complex features from concept to production.

• Mandatory: Strong proficiency in TypeScript.
• Mandatory: Proven experience with NestJS.
• Mandatory: Experience in at least two front‑end frameworks among Angular, React, Svelte, Vue.
• Solid understanding of software architecture patterns (DI, modularization, micro frontends, event‑driven, etc.).
• Experience building and maintaining complex, scalable systems.
• Strong grasp of CSS, HTML5, responsive design, and UI performance optimization.
• Strong problem‑solving and analytical thinking.
• Excellent communication skills in English and ability to collaborate in remote‑first teams.
• A mindset for clean code, testing, and maintainability.

• Experience with microservices or event‑driven architectures.
• Familiarity with CI / CD pipelines, cloud providers (AWS, GCP, Azure), and containerization (Docker / Kubernetes).
• Knowledge of design systems and component‑driven development.
• Experience with AI‑powered applications.
• Experience managing internal packages using private registries (npm, Verdaccio, GitLab, etc.).
• Hands‑on experience with bundlers (Webpack, Vite, esbuild, Nx).