JavaScript Front-End Developer | Mid
Posted November 11, 2026
Job Description
- This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a JavaScript Front-End Developer | Mid based in Brazil. As a Mid-Level JavaScript Front-End Developer, you will contribute to the development and continuous improvement of software applications in an agile, collaborative environment. You will work across the software development lifecycle, from requirements analysis and solution design to implementation, integration, and testing. Your focus will be on building responsive, user-friendly interfaces based on UX/UI designs while ensuring reliable integration between front-end and back-end systems. You will collaborate with multidisciplinary development teams, contribute to API and microservices-based solutions, and uphold established architecture and code quality standards. You will also participate in sprint planning and other agile ceremonies, taking ownership of your deliverables and helping drive continuous product improvement. This remote opportunity offers the chance to work with a broad technology stack and enterprise integration practices.
- Accountabilities Contribute to the development team by taking ownership of assigned work items and delivering them within each Sprint. Develop software solutions throughout the analysis, design, programming, and testing stages. Integrate front-end and back-end components, ensuring alignment with functional and non-functional requirements. Implement application interfaces based on layouts and specifications provided by the UX/UI team. Write clean, reliable, and maintainable code in accordance with project quality standards, development best practices, and established architecture. Participate actively in agile ceremonies and collaborate with the team to support continuous product improvement. Manage individual deliverables and promptly communicate delays, risks, and blockers to the team. Contribute to the development and evolution of applications built on microservices, APIs, and enterprise integrations. Ensure delivery quality by executing and automating tests throughout the software development lifecycle. Requirements Professional experience working with Oracle databases. Experience with JavaScript, ECMAScript 5/6+, AJAX, jQuery, AngularJS, HTML5, CSS3, XML, and Bootstrap. Familiarity with agile methodologies, including Scrum, Kanban, Extreme Programming (XP), and the principles of the Agile Manifesto. Knowledge of gathering and analyzing functional, non-functional, and agile requirements. Experience with architectural and design concepts, including Enterprise Integration Patterns, Design Patterns, Service-Oriented Architecture (SOA), and microservices. Knowledge of relational data modeling and SQL query development. Experience with three-tier application architecture and the Model-View-Controller (MVC) pattern. Experience developing responsive interfaces and Progressive Web Applications (PWAs). Knowledge of system integration technologies and approaches, including REST, Web Services, JMS, EJB 3, and service buses. Experience developing and consuming APIs. Experience with Continuous Integration and Continuous Delivery (CI/CD), particularly using Jenkins. Knowledge of test automation tools and frameworks, including JUnit, Selenium WebDriver, Protractor, and JMeter. Experience with static code analysis using SonarQube. Familiarity with version control systems, including Git and ClearCase. Ability to collaborate effectively in an agile development team, manage assigned work independently, and communicate technical challenges clearly. Benefits Food and/or meal vouchers. Medical and dental insurance. Pet health insurance. Home-office allowance for remote employees. Welcome kit during onboarding. Life insurance. Access to Zenklub, including psychological and nutritional support. TotalPass fitness and wellbeing benefits. Continuous learning and certification programs through partners such as Adobe, Anthropic, AWS, Google, Microsoft, and Salesforce. Partnerships and discounts to support professional development. Access to UOL digital content. Maternity welcome kit. Extended maternity and paternity leave. Employee referral program.
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