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Addi is seeking a Backend Software Engineer to join the Lending team. You will design, develop, and maintain scalable services that power purchases and instant payments.
You’ll work with product and other engineers to integrate features and improve performance, while contributing to architecture decisions and daily production releases. You will implement robust tests, collaborate across teams, and participate in on-call rotations.
We are a leading financial platform, building the future of payments, shopping, and banking—a world where consumers and merchants can transact effortlessly, grow together and where we create abundance and generate pride in them. Today, we serve over 2 million customers and partner with more than 20,000 merchants, making Addi Colombia’s fastest-growing marketplace.
We provide banking solutions (deposits, payments, unsecured credit) and commerce services (e-commerce, marketing) using state-of-the‑art technology, 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.
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.
The backend software engineer will be responsible for designing, developing, and maintaining scalable and reliable solutions that support our both our business and technical objectives. Specifically, they will work within the Lending team , which is responsible for ensuring users can successfully make purchases through any of our journeys, using our instant payments product, or any of our lending ones. Over the next 12 months, this engineer will collaborate with product, business, and other engineering teams teams to integrate new features, improve system performance, and enhance the reliability of the services that enable seamless user transactions.
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 resilient and scalable components leveraging our architectural styles and patterns.
Develop new features using our JVM stack.
Develop unit/component/integration/automation tests that guarantee the reliability of the features that you build.
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 junior folks 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.
Proven software development experience
Strong Technical Proficiency
Adaptability and resilience in dynamic startup - product environments:
Strong business acumen
Outstanding cross functional collaboration
Demonstrates exceptional initiative
AI and Technical Innovation
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.
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)
Step 2: Initial Interview (45 min)
Step 3: Take Home Challenge (1 week)
Step 4: Deep Dive Interview (60 min)
Step 5: Co-Founder Interview (30 min)
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.