Summary: Seeking a highly skilled Senior Fullstack Engineer to build end-to-end product features in a modern, cloud-based environment, requiring strong technical expertise and a \ Highlights: 1. Build end-to-end product features across the full stack 2. Translate UI/UX designs into pixel-perfect, accessible interfaces 3. Develop, consume, and maintain RESTful APIs **Important Information** **Role:** Senior Software Engineer – Fullstack **Tech Stack:** TypeScript, React, Node.js, AWS **Location:** Colombia **Job Summary** We are seeking a highly skilled **Senior Fullstack Engineer** with deep experience in **React, TypeScript, and Node.js (19730\)** to build end\-to\-end product features in a modern, cloud‑based environment. This role requires strong technical expertise, a "pixel‑perfect" mindset for UI, and the ability to design scalable backend services while collaborating across functional teams. You will work across the full stack—from UI components to backend APIs—delivering high\-quality, secure, and production\-ready software in an AWS environment. **Responsibilities and Duties** * Build end‑to‑end product features using **TypeScript, React, and Node.js**, delivering UI, backend logic, and production\-ready deployments. * Translate UI/UX designs into **pixel\-perfect, accessible, and responsive** interfaces that elevate the customer experience. * Develop, consume, and maintain **RESTful APIs** to ensure seamless communication across the application stack. * Ensure strong **data integrity, security, and performance** across front‑end and back‑end systems. * Diagnose and resolve **performance bottlenecks**, reliability issues, and UX inconsistencies in a proactive and iterative manner. * Write and maintain **unit, integration, and end‑to‑end tests** with tools like Vitest, Mocha/Chai, or Playwright. * Support and improve **CI/CD workflows**, including automation of testing and deployment pipelines. * Communicate clearly about technical decisions, trade\-offs, and implementation strategies to cross‑functional teams. **Qualifications and Skills** * **5\+ years** of proven experience as a Fullstack Developer building web applications using **TypeScript, React, and Node.js**. * Strong experience working within an **AWS environment**. * Experience designing and implementing **REST APIs**. * English conversational skills * A strong "**pixel\-perfect**" mindset with exceptional attention to UI detail (spacing, states, responsiveness, accessibility). * Comfort with modern testing frameworks such as **Jest, Mocha/Chai, Cypress, or Playwright**. * Advanced understanding of: + API design + Data modeling fundamentals + Performance optimization + Reliability patterns + Security best practicesAbility to break down ambiguous problems, propose sound technical solutions, and execute effectively. **Nice to Have** * Experience with **Nest.js** and modern frontend best practices. * Familiarity with AI‑powered development tools such as **Copilot, Claude Code, Codex, Cursor**, or similar. * Experience working on **Cybersecurity** projects or platforms. **About Encora** Encora is a global company that offers Software and Digital Engineering solutions. Our practices include Cloud Services, Product Engineering \& Application Modernization, Data \& Analytics, Digital Experience \& Design Services, DevSecOps, Cybersecurity, Quality Engineering, AI \& LLM Engineering, among others. **At Encora, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.**