React Developer (Mid-Level)
EU
August 20, 2026 at 3:40 PM
✨ AI summary
Location
- Lisbon, Portugal
Languages
- JavaScript (ES6+)
- Kotlin (optional)
Frameworks
- React
Experience Level
- Mid-Level (2-4 years frontend development)
There's no secret to become number-one, it takes willingness to improve and determination to pursue it. At GRiT®, it’s all about the journey getting there. We trust talent and intelligence are important, yet passion and perseverance are key to achieving any goal.
We are Tech Passionate People with a Purpose, delivering solutions while building strong long-term relations.
Recognizing each person’s unique contribution to our collective success, we embrace inclusion and diversity, committed to creating a respectful and socially responsible environment.
People. Technology. Innovation. All-around it.
Are you GRiTTY enough to be part of our journey? Take the first step by applying now and let’s create our future together. 🌟
Job Description
We are looking for a Frontend Developer (Mid-Level) to join a digital product team focused on learning & experience, with strong focus on innovation and AI-driven features.
You will work mainly on the frontend using React, while also collaborating with backend services and contributing to product evolution in an agile, fast-paced environment.
This is a product-oriented team where you will have autonomy, exposure to continuous feature development, and the opportunity to work closely with AI-enabled systems.
Must-Have
We are Tech Passionate People with a Purpose, delivering solutions while building strong long-term relations.
Recognizing each person’s unique contribution to our collective success, we embrace inclusion and diversity, committed to creating a respectful and socially responsible environment.
People. Technology. Innovation. All-around it.
Are you GRiTTY enough to be part of our journey? Take the first step by applying now and let’s create our future together. 🌟
Job Description
We are looking for a Frontend Developer (Mid-Level) to join a digital product team focused on learning & experience, with strong focus on innovation and AI-driven features.
You will work mainly on the frontend using React, while also collaborating with backend services and contributing to product evolution in an agile, fast-paced environment.
This is a product-oriented team where you will have autonomy, exposure to continuous feature development, and the opportunity to work closely with AI-enabled systems.
Must-Have
- Bachelor’s degree in Computer Science, Engineering, or related discipline (mandatory)
- 2-4 years of experience in frontend development
- Strong experience with React
- Solid understanding of JavaScript (ES6+) and browser APIs
- Experience integrating REST APIs
- Familiarity with Git (GitHub or GitLab)
- Ability to write clean, maintainable code
- English level B2 (Portuguese required)
- Exposure to backend development with Kotlin (product/AI context – valued)
- Experience in digital product environments with continuous feature delivery
- Understanding of service-oriented architectures
- Experience with CI/CD pipelines
- Familiarity with AI-driven or data-centric products
- Experience working in Agile teams (Jira or similar)
- Continuous Training and Certifications
- GRiT Prizes: GRiT Baby Gift, GRiT Birthday Prize, GRiT Recommendation Prize
- Exclusive Partnerships/Discounts: (Gym, Health, Well-being, Lifestyle, Financial, etc…)
- Unique Events
- Welcoming Office (Fruit, Coffee, Pool Table, etc.)
- Competitive Compensation
- Pay for Performance