Full-Stack Developer (Web/Back-end Focus)

Worldwide | Oct. 19, 2026

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Company: WiTi

Country: Worldwide

Type: Remote

Employment: Full-time

Description: WiTi, Technology to innovate.

At WiTi we connect the best technological talent with high-impact projects in Latin America. We are a company specialized in technology services that transforms technological challenges into innovative solutions. Since 2017, we have operated in Chile, Uruguay and Colombia, offering Talent as a Service, Software Factory and Comprehensive IT Consulting in areas such as cloud, DevOps and AI/ML. 

 The QA Automation Engineer will join the quality team for an enterprise advertising management platform, with a monorepo that groups more than 12 applications within the product ecosystem. We seek to strengthen the quality strategy, promote test automation, integrate CI/CD pipelines and explore AI tools applied to testing for early error detection. We will work with development, architecture and DevOps to define quality standards, expand test coverage and ensure stability in frequent deployments.

• Degree or graduate in Computer Execution Engineering, Computer Programming Technician or related career.
• Solid mastery in the design and construction of server architectures with Node.js (Express / NestJS) or Python (Django / FastAPI).
• Advanced management of relational databases (PostgreSQL, MySQL) and/or non-relational databases (MongoDB): modeling, queries and optimization.
• Experience in design, development and documentation of RESTful services.
• Experience in frontend development with React.js, Angular or Vue.js along with HTML5, CSS3/SASS and JavaScript/TypeScript.
• Knowledge and management of GitHub Actions for CI/CD flows.
• Advanced use of Git.
• Experience working under methodologies agile (Scrum / Kanban).

At WiTi we connect technological talent with high-impact projects in Latin America. We work as a strategic partner of large organizations, developing digital solutions with a focus on quality, scalability and results.

We are looking for a Full Stack Developer with a strong focus on Backend to join the software engineering team of a Regional Retail Media platform, being a key player in the design, development and implementation of high-impact platforms and web applications.

Your focus will be on the business logic and backend architecture, ensuring that the server services efficiently support the interface of the frontend.

• Design, build and maintain robust business logic in the backend, ensuring availability, performance and scalability of services.
• Develop and integrate complete end-to-end web features, from user interface components to complex data models.
• Build clean and modular code, optimizing database queries to ensure application loading speed.
• Collaborate closely with DevOps engineers, QA and other developers to ensure successful deployments.
• Actively participate in code reviews with a focus on security and server-side performance.
• Design and document RESTful APIs that support the growth and evolution of digital products.
• Participate in agile ceremonies and contribute to the continuous improvement of the team's development processes.

At WiTi we promote a collaborative environment where the culture of learning is a fundamental part. Among our benefits are:

• Personalized career plan for professional development.
• Certifications to continue growing in your career.
• Language courses, supporting personal and professional development.

• Knowledge in GraphQL.
• Experience in retail projects, ecommerce or high-traffic digital platforms.
• Experience with microservices architectures.
• Knowledge in good security practices in web applications.

Apply here:

Web: Apply here

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