Senior Full Stack Developer

Description

Job Summary: We are looking for a web full stack developer to serve as a technical reference, defining architectures and mentoring the team, with a focus on scalability and maintainability. Key Highlights: 1. Join an AAA team with an excellent work environment. 2. Take ownership of your career through challenging and impactful projects. 3. A highly challenging and collaborative environment with accelerated learning. We seek a web full stack developer to serve as a technical reference within the development team, ensuring our solutions are not only functional but also scalable, maintainable, and secure. You will have autonomy to define architectures on both backend and frontend, as well as mentor less experienced developers, raising the team’s technical bar. Every day, we work alongside highly talented people united by the same purpose: making the world a more accessible and fair place for everyone. We value collaboration and foster a strong team spirit—even remotely, we maintain close connections with all team members. Come share knowledge and impact the lives of thousands of people across Brazil and around the globe. Join us as a HandTalker! If you want to be part of this mission—to break down communication barriers between Deaf and hearing people worldwide through technology—join us and learn more about Hand Talk! * Join an AAA team. * Enjoy an excellent work environment with just the right touch to deliver a great experience :) * Work side-by-side with some of the most recognized social entrepreneurs in Brazil and globally. * Take ownership of your career in an environment filled with challenging projects. * A highly challenging and collaborative environment. * Opportunities for accelerated learning and growth, including implementing projects destined to become digital success stories. Visit our blog, YouTube channel, social media, or simply Google “Hand Talk” to discover many exciting things about us! **Responsibilities and Duties** **Main Responsibilities:** * Design and implement complex end\-to\-end features with a focus on scalability. * Act as guardian of the NestJS and React architectures, ensuring loose coupling and maintainability. * Mentor Junior and Mid-level developers through educational code reviews. * Identify and resolve performance bottlenecks (database and rendering). * Define testing strategies and ensure application observability in production. **Requirements and Qualifications** **Technical Skills:** * 5\+ years of experience in web full stack development (with emphasis on JavaScript/TypeScript). * Proficiency in JavaScript and TypeScript. * Advanced NestJS (Dependency Injection, Modules, Decorators, Guards). * Modern React (Hooks, Context API, Rendering Optimization). * Non-relational databases. * Software Engineering (SOLID, Clean Architecture, Design Patterns). * AWS ecosystem (Serverless architecture, Lambda, SQS/SNS, S3\). * DevOps and Containerization (Docker, CI/CD). * Advanced English (technical reading and written communication). **Behavioral Skills:** * Diversity * Autonomy * Resilience * Efficiency * Impact * Ability to elevate the team’s technical level via code reviews and mentoring. * Product Vision: Ability to negotiate technical trade\-offs (technical debt vs. delivery) with Product Owners. * Communication: Clarity when explaining complex technical concepts to stakeholders. **Nice-to-Haves:** * Automated Testing Strategies (Unit and Integration). * Knowledge of Vue.js (framework versatility). * Performance and Real\-time (Redis, WebSockets, WebRTC). * Web Accessibility (WCAG). **Additional Information** **OUR BENEFITS:** * **CLT Contract:** Your security and full labor rights guaranteed from day one. * **CAJU Benefits Card (R$ 1\.160,00\):** Flexibility to use your balance however you prefer: meals, groceries, remote work, culture, and mobility! * **Remote Work — From Anywhere!** Enjoy the freedom to work from anywhere in Brazil, with flexibility and comfort. * **SulAmérica Health Insurance** * **SulAmérica Dental Insurance** * **SulAmérica Life Insurance** * Online consultations with specialists at your fingertips via **Conexa Saúde** – telemedicine. * **Wellhub:** To always help you perform at your best! * **Extended Year-End Break:** Celebrate the holidays with greater peace of mind! Enjoy an extended period to recharge with family and friends. * **Birthday Day Off:** Enjoy a special rest day during your birthday month! * **Extended Parental Leave:** Support and quality time for those building or growing their families. * **Continuous Professional Development:** Access cutting-edge platforms such as **CS Academy and LinkedIn Learning**, plus an **annual training allowance** for courses and certifications in your field. Invest in yourself! * **University Partnerships:** Support to go further through discounts and raffles! * **Brazilian Sign Language (Libras) Training:** Learn this vital language for our community! * **English Language Learning:** Through partnerships, we encourage learning a new language! * Work equipment sent directly in your Onboarding Kit. **Our mission is to break down communication barriers between Deaf and hearing people worldwide through technology.** With the help of our friendly virtual translators, **Hugo and Maya**, our HandTalkers team helps build more accessible digital spaces for millions of people with disabilities. Our award-winning **Super App**, recognized globally—including by the UN—has surpassed 9 million downloads and delivers an effective and fun learning journey, encouraging communication between Deaf and hearing people. The **Hand Talk Plugin**, meanwhile, brings together an ecosystem of innovative assistive solutions that connect people and companies through digital accessibility. We’re just getting started! In 2025, we took an even bigger leap by joining **Sorenson Communications**, the global leader in communication solutions for Deaf and hard-of-hearing individuals. We are now part of the world’s largest sign language communication ecosystem! Click here to check out some of our success stories with clients! More information about us—and how we’re transforming the world through accessibility—is available on our YouTube channel. **Our impact is now global—and you can be part of it!** **\#SomosTodosSorenson**