Frontend Engineer (React JS / React Native)

This is where you come in. Below, you’ll find what this role is all about—the impact you’ll drive, the challenges you’ll tackle, and what it takes to thrive at Addi. If you’re ready to be part of something big, keep reading.

What we’re looking for

• Technical Expertise

  • Experience building user interfaces using well-structured HTML, CSS, and modern JavaScript frameworks, specifically React JS and React Native.

  • Experience in developing components with Typescript.

  • Proven ability to build, develop, and maintain unit, component, and end-to-end tests to ensure feature reliability.

  • UX/UI Design Foundations: Good understanding of UX/UI design principles like user centered design, responsive design, consistency, simplicity, etc.

  • Familiarity with integrating AI/ML APIs (e.g., OpenAI, LLMs, recommendation engines) into frontend applications. Understanding of how to consume and optimize AI-driven features within modern JS frameworks (React, Vue, etc.).

  • Strong grasp of frontend architecture patterns (component-driven design, micro-frontends, state management at scale). Deep knowledge of performance optimization, code splitting, and building maintainable, scalable codebases.

• Curiosity and Continuous Learning Mindset

  • Strong desire to learn and stay updated with new technologies, tools, and best practices.

  • Active participation in self-learning and problem-solving on their own.

  • Interest in exploring new approaches or techniques, especially in a dynamic environment.

• Demonstrates exceptional initiative

  • Takes responsibility for delivering impactful projects end-to-end, from conception to post-deployment support.

  • Deliver high-quality, creative solutions at lightning speed.

  • Anticipated technical challenges and proposed effective solutions.

• Effective Communication

  • Ability to communicate technical ideas clearly to both technical and non-technical team members.

  • Strong listening skills to understand the needs and requirements of other teams, such as product or UX.

• Adaptability and resilience in a dynamic startup-product environments:

  • Outstanding ability to thrive in a fast-paced, constantly changing environment, balancing immediate results with long-term strategic planning.

  • Ability to adapt to changes in project requirements or team needs.

  • Willingness to learn and adopt new technologies or tools as the team or company requires.

• Outstanding cross-functional collaboration (nice to have)

  • Ability to collaborate effectively with other engineers, product managers, and designers to align technical solutions with user needs and business strategy.

  • Adaptability to work on projects with different approaches, technologies, and workflows.

• Strong product/business acumen (nice to have)

  • Understanding the importance of creating solutions that provide real value to the end user.

  • Deep understanding of business goals and how technical solutions align with and drive these objectives.

  • Ability to prioritize work effectively to deliver the highest impact for users and stakeholders.

Why join us?

• Work on a problem that truly matters – We are redefining how people shop, pay, and bank in Colombia, breaking down financial barriers and empowering millions. Your work will directly impact customers' lives by creating more accessible, seamless, and fair financial services.

• Be part of something big from the ground up – This is your chance to help shape a company, influencing everything from our technology and strategy to our culture and values. You won’t just be an employee—you’ll be an owner.

• Unparalleled growth opportunity – The market we’re tackling is massive, and we’re growing faster than almost any fintech lender at our stage. If you’re looking for a high-impact role in a company that’s scaling fast, this is it.

• Join a world-class team – Work alongside top-tier talent from around the world, in an environment where excellence, ownership, and collaboration are at the core of everything we do. We care deeply about what we build and how we build it—and we want you to be a part of it.

• Competitive compensation & meaningful ownership – We believe in rewarding our talent. You’ll receive a generous salary, equity in the company, and benefits that go beyond the basics to support your growth.