Senior Frontend Developer

4 semanas atrás


Brazil 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).



  • Brazil Alexander Daniels Global Tempo inteiro

    🚀 Senior Frontend Developer (Brazil-Based)Permanent or freelance contractWe’re hiring on behalf of an innovative client building a cutting-edge platform that streamlines and automates data workflows for enterprise teams. Their product is designed to simplify complex data pipelines, making it easier for teams to collaborate, deploy, and scale data-driven...


  • Brazil Alexander Daniels Global Tempo inteiro

    Senior Frontend Developer (Brazil-Based) Permanent or freelance contract We’re hiring on behalf of an innovative client building a cutting-edge platform that streamlines and automates data workflows for enterprise teams. Their product is designed to simplify complex data pipelines, making it easier for teams to collaborate, deploy, and scale data-driven...

  • Frontend Developer

    4 semanas atrás


    Brazil 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...

  • Developer frontend

    1 semana atrás


    Brazil 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 Profissional ...

  • Frontend Developer

    2 semanas atrás


    Brazil OSF Digital Tempo inteiro

    We are looking for a skilled Front-End Developer to join our dynamic team. The ideal candidate will have a strong background in ReactJS and a passion for creating efficient, scalable, and user-friendly applications. If you thrive in a collaborative environment and are eager to contribute to innovative projects, we would love to hear from you....

  • Frontend Developer

    3 semanas atrás


    Brazil, BR OSF Digital Tempo inteiro

    We are looking for a skilled Front-End Developer to join our dynamic team. The ideal candidate will have a strong background in ReactJS and a passion for creating efficient, scalable, and user-friendly applications. If you thrive in a collaborative environment and are eager to contribute to innovative projects, we would love to hear from...

  • Frontend Developer

    2 semanas atrás


    Brazil OSF Digital Tempo inteiro

    We are looking for a skilled Front-End Developer to join our dynamic team. The ideal candidate will have a strong background in ReactJS and a passion for creating efficient, scalable, and user-friendly applications. If you thrive in a collaborative environment and are eager to contribute to innovative projects, we would love to hear from...

  • Frontend Developer

    2 semanas atrás


    Brazil Croct Tempo inteiro

    Excellent code begins with incredible people 🤓If you are a React developer looking for a startup with global potential, you'll like what we are offering.As a Frontend Developer, you'll deal with challenges like implementing a good design and learning new technologies to guarantee the best user experience. You'll work directly with Croct's founders and...

  • Frontend Developer

    3 semanas atrás


    Brazil Croct Tempo inteiro

    Excellent code begins with incredible people If you are a React developer looking for a startup with global potential, you'll like what we are offering. As a Frontend Developer, you'll deal with challenges like implementing a good design and learning new technologies to guarantee the best user experience. You'll work directly with Croct's...

  • Senior Full-Stack Developer

    3 semanas atrás


    Brazil 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...