Careers

Frontend Engineer

Location
Lisboa
Experience
Min. 5 years

Skills

JavaScript CSS3 HTML5 Redux
Description

About Us

BySix Engineers the future and drives innovation. We are more than just a standard software engineering company, we believe that true impact comes from combining technical expertise with human values. That's why we reflect that in our approach - technology is not the end goal, but the enabler.

Why Us?

🫸 Multidisciplinary team 📒 Training on demand 💴 Attractive salary and benefits package 📈 Career progression plans 👌 And amazing get together events

What are we looking for?

We are looking for an Front-end Engineer with:

  • 5+ years of professional experience in modern web development, with a focus on React and TypeScript;
  • Strong understanding of JavaScript (ES2015+), HTML5, and CSS3, as well as modern web development workflows;
  • Experience working with RESTful APIs and integrating frontend applications with backend services;
  • Solid understanding of state management concepts and hands-on experience with tools such as Jotai, Zustand, or Redux;
  • Familiarity with automated testing, including React Testing Library, Vitest, and Playwright;
  • Experience with Next.js and CSS Modules for styling and SSR/SSG;
  • Bachelor's or Master’s degree in Computer Science, or equivalent professional experience;
  • Comfortable with CI/CD pipelines and Agile methodologies;
  • Strong knowledge of software design patterns, frontend architectural principles, and user-centered design;
  • Excellent problem-solving, communication, and collaboration skills.

What do we expect from you?

  • Design, develop, and maintain high-quality, scalable web applications that align with both user expectations and business needs;
  • Collaborate with cross-functional teams to define product requirements, user stories, and acceptance criteria;
  • Write clean, maintainable, and efficient code using best practices, modern standards, and scalable architecture;
  • Lead and participate in code reviews, offering actionable feedback and mentoring junior developers to uphold code quality;
  • Optimize application performance, reliability, and security through thorough profiling, debugging, and testing;
  • Contribute to technical design and architecture discussions, producing specifications and documentation as needed;
  • Stay current with industry trends, emerging technologies, and frontend best practices, sharing knowledge with the wider team.

Are you ready?

If you're ready to make a real impact by leveraging cutting-edge technology and fostering human-centric solutions, BySix is the place for you. Together, we'll drive innovation and create lasting business value.

Note: BySix is an equal opportunity employer. All applicants will be considered and analyzed regardless of ethnicity, religion, gender identity, sexual orientation, national origin, age, or disability status.

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Introduction
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Beginner - Basic understanding. Limited ability to use the technology without guidance.
Basic - Able to perform simple tasks and apply foundational concepts with occasional support.
Intermediate - Competent in using the technology for regular tasks. Can troubleshoot common issues independently.
Advanced - Strong proficiency. Capable of handling complex tasks and optimizing workflows effectively.
Expert - Complete mastery. Able to teach, innovate, and implement advanced solutions with the technology.
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