Senior Frontend Developer

3 semanas atrás

Brasília, Brasil Mojo Trek Tempo inteiro

Mojo Trek, an Inc. 5000 company, delivers an unparalleled technology recruitment experience, grounded in transparency and integrity. From midsize technology innovators to Fortune 50 powerhouse corporations, we build technology teams that make a difference. Joining Mojo Trek means being part of a team that influences the tech landscape on a global scale.
We are seeking a highly skilled Senior Front End Developer with deep expertise in HTML, JavaScript, and CSS to join our growing technology team. This role is ideal for someone who is passionate about building clean, responsive, and user-centric web applications. You will collaborate closely with designers, back-end engineers, and product managers to deliver seamless digital experiences at scale.

*This is a 6+ month contract.

Key Responsibilities
Lead the development and implementation of user-facing features using HTML5, modern JavaScript (ES6+), and CSS3.
Collaborate with UI/UX designers to translate wireframes and mockups into responsive, pixel-perfect interfaces.
Ensure web applications are optimized for speed, performance, accessibility, and cross-browser compatibility.
Mentor junior developers and provide code reviews to maintain high coding standards.
Partner with back-end engineers to integrate APIs and ensure smooth data flow between front-end and server-side systems.
Implement best practices in front-end architecture, reusable components, and modular design patterns.
Stay up to date with emerging front-end technologies, frameworks, and industry trends.
Troubleshoot, debug, and resolve front-end issues across different environments and devices.

Qualifications
6-8+ years of professional front-end development experience.
Strong expertise in HTML5, CSS3 (including preprocessors like SASS/LESS), and modern JavaScript (ES6/ES7).
Experience with responsive design, grid systems, and mobile-first development.
Proficiency in debugging and optimizing front-end performance.
Knowledge of version control systems (Git) and collaborative development workflows.
Familiarity with front-end build tools (Webpack, Babel, npm, etc.).
Understanding of accessibility standards (WCAG, ARIA) and SEO best practices.
Excellent problem-solving skills, attention to detail, and ability to work in a fast-paced Agile environment.

Nice to Have
Experience with modern frameworks/libraries such as React, Vue, or Angular.
Exposure to TypeScript and component-driven development.
Background in design systems and style guide implementation.
Understanding of CI/CD pipelines and automated testing (Jest, Mocha, Cypress).

  • Frontend Developer

    3 semanas atrás

    Brasília, Brasil Digalyze Tempo inteiro

    Using React, Node.js, TypeScript, HTML, and CSS, this candidate will be able to translate user and business needs into functional frontend & backend design. Responsibilities Designing, developing, and testing UI for mobile and web applications Build reusable code and libraries for future use Accurately translate user and business needs into functional...

  • Frontend Developer

    3 semanas atrás

    Brasília, Brasil Digalyze Tempo inteiro

    Using React, Node.js, TypeScript, HTML, and CSS, this candidate will be able to translate user and business needs into functional frontend & backend design.ResponsibilitiesDesigning, developing, and testing UI for mobile and web applicationsBuild reusable code and libraries for future useAccurately translate user and business needs into functional frontend...

  • Developer Frontend

    3 semanas atrás

    Brasília, Brasil SIS Innov & Tech Tempo inteiro

    Há mais de 20 anos mercado, somos uma consultoria estratégica de Inovação e Transformação Digital. Nossa especialidade é impulsionar as demandas de nossos clientes, integrando processos, pessoas e tecnologia de alta performance. Estamos com uma oportunidade para o nosso time corporativo para: Developer Frontend Experiência...

  • Experienced Frontend Developer Wanted

    3 semanas atrás

    Brasília, Brasil beBeefrontend Tempo inteiro

    Key Skills and Responsibilities: We are looking for a skilled Frontend Developer who will be responsible for designing and developing functional frontend solutions. Main Responsibilities: Designing user interface (UI) for mobile and web applications Building reusable code and libraries Translating user needs into functional frontend code Necessary...

  • Senior Full-Stack Developer

    2 semanas atrás

    Brasília, Brasil Indigo Beam Consulting Tempo inteiro

    For Brazil Only, PJ contract, Fluent English Position: Senior Full-Stack Developer Location: Brazil (Remote) Work Hours: Must have overlap with U.S. Central Time Start Date: Immediate Contract Type: PJ (Pessoa Jurídica) Language Requirement: Fluent English required ( U.S.-based company) Overview: We are seeking a highly skilled Senior...

  • Senior Frontend Developer for CMS/DXP platforms, Brazil

    3 semanas atrás

    Brasília, Brasil CI&T Software S.A. Tempo inteiro

    Senior Frontend Developer for CMS/DXP platforms, BrazilWe are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions. With over 7.400 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality. We are actively seeking a...

  • Senior Frontend Developer for CMS/DXP platforms, Brazil

    3 semanas atrás

    Brasília, Brasil CI&T Software S.A. Tempo inteiro

    Senior Frontend Developer for CMS/DXP platforms, Brazil We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions. With over 7.400 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality. We are actively seeking a...

  • Senior Frontend Developer

    2 semanas atrás

    Brasília, Brasil Caderno Nacional Tempo inteiro

    Overview Segmento: Não Informado Atividades: This pivotal role involves creating engaging user interfaces for mobile and web applications, fostering a seamless experience for end-users. Responsibilities Desiging and developing UI components that are both aesthetically pleasing and functional Implementing robust coding practices to ensure maintainability and...

  • Frontend Developer

    3 semanas atrás

    Brasília, Brasil Smart Consulting Tempo inteiro

    We’re looking for a hands-on Frontend Developer passionate about building modern web and mobile applications. You’ll work with Flutter for cross-platform mobile, and a web stack that includes React, Next.js, Tailwind CSS, Redux, and Mapbox, all managed in a monorepo setup with NX. If you enjoy creating fast, scalable, and visually engaging user...

  • Senior Full-Stack Developer

    Há 5 dias

    Brasília, Brasil Indigo Beam Consulting Tempo inteiro

    For Brazil Only, PJ contract, Fluent English Position:Senior Full-Stack Developer Location:Brazil (Remote) Work Hours:Must have overlap with U.S. Central Time Start Date:Immediate Contract Type:PJ (Pessoa Jurídica) Language Requirement:Fluent English required ( U.S.-based company)Overview: We are seeking a highly skilled Senior Full-Stack Developer to join...