Frontend Software Engineer (Mobile) | L3

About Addi

We are a leading financial platform, building the future of payments, shopping, and banking—a world where consumers and merchants can transact effortlessly and grow together. Today, we serve over 3.6 million customers and partner with more than 55,000 merchants, making Addi Colombia’s fastest-growing marketplace.

With a state-of-the-art, technology-first approach, we provide banking solutions (deposits, payments, unsecured credit) and commerce services (e-commerce, marketing), bridging the financial gap for millions and redefining how people experience financial freedom. As the country’s leading Buy Now, Pay Later provider, we have secured regulatory approval to operate as a bank, unlocking even greater opportunities for our customers. In the past year, we have also achieved profitability, reinforcing the strength of our business model and our ability to scale sustainably.

Our mission has earned the trust of world-class investors, including Andreessen Horowitz, Architect Capital, GIC, Goldman Sachs, Greycroft, Monashees, Notable Capital, Quona Capital, Union Square Ventures, Victory Park Capital, and more, who back our vision for the future. With their support, we are not just growing—we are transforming Latin America’s financial ecosystem and shaping the next generation to shop, pay, and bank in Colombia.

But what truly sets us apart is how we build. We are a conscious company, driven by deep experience in scaling technology, services and products, and we live by our values every day.

About the Role

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’s the mission you’ll drive

You will be responsible for developing and maintaining world-class user interfaces for our Marketplace, including features like search and filters, add to the favorites, Shopping Cart, orders management, etc on mobile and web. Over the next 12 months, you'll work closely with designers, engineers, and product owners to create seamless, efficient, high-performing user experiences that deliver outstanding value for our customers and merchants.

What you will do

• Take e2e ownership and operate the software that you design, develop, test and release into production.

• Work closely with designers, engineers, and product owners to build great products and experiences for our clients and allies.

• Architect and develop world-class user interfaces which combines usability, maintainability, and performance.

• Develop software on a daily basis using our frontend technical stack based on Typescript, Storybook, React, and React Native (must have).

• Review pull requests on a daily basis transferring your knowledge with your team.

• Receive mentorship from everyone on the team, from more experienced members to people who are just starting.

• Deploy new features to production on a daily basis using our CI/CD pipeline.

• Be on-call occasionally. We rotate to distribute our knowledge and experience.

• Contribute to our Architecture Decision Records where you will be able to propose new techniques, patterns, and tools for our evolving platform.

What we’re looking for

• You have 5+ years of full-time technical work experience as a software engineer. We will adjust the seniority of the role accordingly.

• Previous experience working with React Native building mobile applications its a must

• Great communication abilities with technical and non-technical stakeholders.

• Willingness to work with a distributed team.

• Good foundations in UX/UI design.

• Strong expertise building user interfaces using well-structured HTML and CSS code.

• Experience with modern JavaScript libraries and tools.

• Awareness of web performance optimization techniques.

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.

How the hiring process looks like

We believe in a fast, transparent, and engaging hiring experience that allows both you and us to determine if there's a great fit. Here’s what our process looks like:

• Step 1: People Interview (30 min)
  A conversation with a recruiter to get to know you, your experience, and what you're looking for. We’ll also share more about Addi, our culture, and the role.

• Step 2: Initial Interview (45-60 min)
  A more in-depth conversation with the engineering manager, where we explore your skills, experience, and problem-solving approach. The interview has a system design approach so prepare your self for it! We want to understand how you think and work.

• Step 3: Take Home Challenge (1 week)
  We'll send you a practical case, you'll have 1 week to develop the best code you can, using best practices to show all your skills and potential. We would love to see how you interact with the code and your ability to understand the business need and apply it into your solution.

• Step 4: Deep Dive Interviews (60 min each)
  You'll meet future colleagues and cross-functional team members to get a feel for how we work together. We’re looking for strong contributors and cultural fits, so bring your questions, too!

• Step 5: Co-Founder Interview
  If there’s a strong match, you’ll have a final conversation with our Founder to align on expectations, cultural fit and ensure mutual excitement. From there, we’ll move quickly to an offer and discuss next steps.

We value efficiency and respect for your time, so we aim to complete the process as quickly as possible. Our goal is to make this experience insightful and exciting for you, just as much as it is for us. Regardless of the outcome, we are committed to always providing feedback, ensuring that you walk away with valuable insights from your experience with us.