Senior Full-Stack Engineer (Node.js/React) - Remote LATAM

About the role

Inallmedia is a global technology and design firm that builds digital solutions with remote, distributed teams across LATAM. This Senior Full-Stack Engineer position sits in the Unified CMS team, working on backend services, API orchestration and content management infrastructure. The role is fully remote, permanent and full-time, with time-zone alignment to Central Time (CT) / Eastern Time (EST).

Key responsibilities

• Build, optimize and maintain backend services, Node.js microservices, REST APIs and GraphQL or gRPC integrations for headless CMS platforms.
• Develop reusable, accessible UI components, content blocks and dynamic forms with React, CSS-in-JS libraries (e.g. Emotion) and enterprise design systems.
• Design and optimize SSR and SSG workflows in Next.js, and define content schemas in headless CMS platforms such as Contentstack.
• Implement A/B testing infrastructure, experiment tracking and user personalization engines.
• Integrate third-party APIs (e.g. Redis caching, mapping services) and optimize web vitals and caching.
• Write unit, integration and E2E tests with Jest, Playwright or React Testing Library, and enforce code quality with ESLint and Prettier in CI/CD pipelines.
• Use AI coding assistants (e.g. Cursor, Claude Code, Copilot) to speed up development, debugging and refactoring.

Required profile

• 4-5+ years of professional software development experience (mid-senior level).
• Ability to collaborate with teams in Central/Eastern time zones, with overlap during North American business hours.
• All communication in English.

Required skills

• JavaScript, TypeScript and Node.js.
• Advanced React and Next.js (or equivalent SSR/SSG framework).
• REST APIs, GraphQL or gRPC, and headless CMS platforms (Contentstack, Contentful, Strapi).
• Jest, Playwright or React Testing Library, Git and CI/CD.
• A/B testing and personalization engines.
• Emotion, CSS-in-JS, Storybook/Chromatic and component design systems.
• Koa or Express.js and Redis caching.
• Google Maps API integrations and web accessibility testing (a11y).