Full-Stack Developer

Qualifications and requirements

• Proficiency with Next.js
• Strong foundation in software engineering principles (data structures, algorithms, testing, system architecture).
• Experience with AWS /PostgreSQL
• Familiarity with API development, integration, and managing distributed systems.
• Comfortable with RESTful APIs, Git version control, and web services.

Projects

BuildWithin is a workforce development technology company. Our software supports government agencies, employers, and training providers deliver results at scale by connecting people to opportunity through intelligent, AI-driven, skills-based systems.
We are on a mission to build the best engineering team.
Our ideal candidate is proficient in NextJs, and has a deep understanding of building scalable applications, a strong sense of ownership, and enjoys driving projects from inception to scaling them in production.
We value lifelong learning and curiosity.

Role and Responsibilities

As a Full-Stack Engineer at BuildWithin you’ll design, build, and maintain production-grade web applications using Next.js, React, and TypeScript. You’ll own features end-to-end—developing responsive, accessible UIs, integrating with secure backend APIs, and working with relational and NoSQL databases. You’ll implement authentication/authorization flows, optimize performance through SSR/SSG, and ensure code quality with automated testing and CI/CD pipelines. Your work will span the full stack, including styling frameworks (e.g., Tailwind), state management tools, deployment on cloud platforms like AWS, and ongoing monitoring with analytics and error tracking tools. You’ll collaborate closely with product, design, and other engineers to deliver secure, scalable, and high-performing SaaS features that meet real-world user needs.

• Design, develop, and maintain scalable, modern web applications using React and Next.js as core technologies, supporting Buildwithin’s platform growth and evolving user needs.
• Architect, code, test, and deploy high-performance, reliable systems in a distributed, cloud-based environment, ensuring seamless integration with internal and third-party services.
• Drive continuous improvement of Buildwithin’s software products by refining user-facing features, optimizing code for speed and scale, and ensuring robust operations and system uptime.
• Partner with business stakeholders to deliver solutions tailored to domains such as onboarding, training, partnership management, or analytics.
• Write clear documentation and contribute to a culture of knowledge-sharing and onboarding within the engineering team.

Conditions

15 days of vacation plus holidays
Bonuses for performance

Desirable skills

LangGraph experience
Documentation and testing skills
Understanding of basic English. We have a bilingual team so English is not a required skill. El inglés no es un requisito.