Backend JVM Software Engineer | IC3

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

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.

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 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.

What we’re looking for

Proven software development experience

8 years of experience in backend development, specifically with JVM-based technologies such as Java, Kotlin, or Scala.

Proven track record of delivering scalable, high-performance backend systems in a production environment.

Experience working in software development teams, contributing to sprints, standups, and retrospectives.

Strong Technical Proficiency

Hands-on experience with backend languages (e.g., Java 11, Kotlin, Scala) and backend frameworks such as Spring Boot