[Job-30841] Senior web software engineer, Brazil

Job description

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy. We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day. We are looking for an experienced **Senior Web Software Engineer** to build and deliver enterprise-grade digital solutions as part of a CMS modernization and migration initiative. This is a hands-on development role focused on modern web technologies, particularly **JavaScript, TypeScript, React, and Next.js**, with familiarity with PHP-based systems to support the migration. The engineer will also be expected to apply **AI-assisted development practices** to accelerate delivery across the software development lifecycle. ### **Key Responsibilities** Build, test, and deliver enterprise-grade web solutions using modern technologies such as **JavaScript, TypeScript, React, and Next.js**, contributing directly to a CMS modernization and migration initiative. Work with CMS platforms, APIs, integrations, and existing PHP-based applications as needed to understand current implementations and support a successful transition to the new solution. Collaborate with architects and engineering teams to translate requirements into maintainable technical solutions, applying strong software engineering practices around code quality, testing, performance, and security. Use **AI-assisted development tools and agentic workflows** throughout the SDLC to accelerate coding, testing, debugging, documentation, and technical analysis. ### **Required Skills & Experience** - Strong hands-on experience with modern web application development. - Strong experience with **JavaScript and TypeScript**. - Hands-on experience with **React and Next.js**, or directly comparable modern web frameworks. - Solid understanding of software engineering principles, programming logic, clean code, testing, debugging, and maintainability. - Experience with **CMS concepts**, including content modeling, APIs, integrations, and modern CMS architectures. - Familiarity with **PHP-based applications** and the ability to read, understand, debug, and navigate an existing PHP codebase. Deep PHP specialization is not required. - Experience analyzing functional and non-functional requirements and contributing to technical implementation decisions. - Practical experience using **AI coding assistants or AI-enabled development tools** as part of the software development lifecycle. - Ability to design and document technical solutions, integrations, application workflows, and data flows. - **Advanced English communication skills** for technical discussions, collaboration, and documentation. #LI-BM2