JavaScript FullStack Developer
This position is posted by Jobgether on behalf of a partner company. We are currently looking for a JavaScript FullStack Developer in Brazil.
In this role, you will join a collaborative and fast-paced engineering environment focused on building scalable, high-performance web applications. You will work closely with tech leads, backend engineers, and stakeholders to design and develop modern digital solutions that integrate multiple services and APIs. The position involves building responsive and efficient user interfaces while ensuring strong backend communication and system reliability. You will contribute to architectural decisions, code quality, and performance optimization across the full stack. The environment is highly technical, agile, and oriented toward continuous improvement and innovation. This is an opportunity to work on complex systems that directly impact user experience and business performance at scale, while collaborating with experienced global teams.
Accountabilities
In this role, you will be responsible for developing and maintaining scalable fullstack web applications, contributing to both frontend and backend evolution. You will define technical specifications, build reusable components, and ensure system performance and reliability across applications. You will also collaborate with cross-functional teams to deliver high-quality digital solutions.
- Design, develop, and maintain complex web applications and features across the full stack
- Build reusable components, libraries, and scalable code structures for long-term use
- Optimize applications for speed, performance, and scalability
- Analyze code quality, system requirements, risks, and software reliability
- Collaborate closely with backend developers, tech leads, and stakeholders to improve system architecture and delivery
- Proven experience in fullstack web development
- Strong expertise in JavaScript, HTML5, CSS3, and AJAX
- Experience with Angular (version 4+), React, or similar frameworks
- Knowledge of Node.js and Next.js
- Familiarity with additional JS frameworks and tools (e.g., Electron)
- Experience with AWS Amplify or cloud-based frontend/backends
- Ability to analyze system requirements, code quality, and performance risks
- Strong collaboration and communication skills in agile environments
- Fully remote work model within Brazil
- Full-time permanent position
- Opportunity to work on large-scale, modern digital engineering projects
- Collaboration with global teams and experienced technical experts
- Exposure to advanced technologies and cloud-based ecosystems
- Agile and innovation-driven work environment
- Inclusive and skills-based culture focused on professional growth
Requirements
This position requires solid experience in fullstack web development, with strong command of modern JavaScript ecosystems and frameworks. You should be comfortable working across frontend and backend layers, contributing to scalable architecture and high-quality user experiences. Strong analytical thinking, collaboration skills, and attention to performance are essential.
Benefits
How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #LI-CL1