Backend Engineer IC2

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 2 million customers and partner with more than 20,000 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.

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.

• →

  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 tests that guarantee the reliability of the features that you build.

• →

  Review pull requests daily, transferring your knowledge to 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 daily 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

  • 2 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

  • Proficiency in building and database management, like SQL (must), PostgreSQL ,and Redis.

  • Strong experience with automated testing

  • Strong ability to design, implement, and maintain scalable and secure APIs.

  • Knowledge of Kafka for handling event-driven systems

  • Proficiency in CI/CD pipelines and deployment strategies.

  • Nice to have: Proficiency in reactive programming

  • Nice to have: Knowledge in containerization (Docker) and orchestration (Kubernetes).

• Adaptability and resilience in dynamic startup - product environments:

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

• Strong business acumen

  • 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.

  • Ideally, experience in fintech or product companies

• Outstanding cross-functional collaboration

  • Proven ability to collaborate effectively with product managers and designers to align technical solutions with user needs and business strategy.

• 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 backend solutions

You’ll present your take-home exercise and walk us through your implementation. We’ll discuss your design choices, testing, and error handling, while also exploring how you communicate your ideas and respond to feedback in real time.

In this final stage, you’ll meet a member of our leadership team to talk about Addi’s values, culture, and mission. It’s an opportunity to ensure that our goals and vision align, and that this role feels like the right next step for you.

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.