Backend JVM Software Engineer | IC3

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

  • 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.

  • Proven experience with distributed system like SQS or RabbitMQ

  • Knowledge in Kafka for handling event-driven systems

  • Knowledge in containerization (Docker) and orchestration (Kubernetes).

  • Nice to have: Proficiency in CI/CD pipelines, and deployment strategies.

  • Nice to have: Proficiency in reactive programming

• 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

• AI and Technical Innovation

  • Continuously learns and applies emerging AI technologies to accelerate development, enhance technical investigation, and creatively solve problems.

  • Shares insights about AI tools and practices with the team, encouraging thoughtful experimentation and incremental adoption to improve workflows, and helps foster a culture of innovation.

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.

• Step 1: People Interview (30 min)

  Meet with our recruiter for a 30-minute video chat. We will get to know you better, understand what you’re looking for, and answer any questions you might have about ADDI.

• Step 2: Initial Interview (45 min)

  Meet with one backend software engineer for a 45-minute video chat interview. Here, we will ask you questions about your technical background and basic computer science concepts. You will be able to ask any questions about the culture and how we work at ADDI.

• Step 3: Take Home Challenge (1 week)

  Complete a simple take-home challenge within a 1-week window. With this technical challenge, we want to see your technical expertise solving a real-world problem. We expect that you invest 5 hours or less in developing a working solution.

• Step 4: Deep Dive Interview (60 min)

  Meet with a backend software engineer and the engineering manager for a 45-minute chat to talk about your take-home exercise submission and any questions you might have.

• Step 5: Co-Founder Interview (30 min)

  Meet onsite with one of our founders for a 30-minute chat to talk about the vision of the company, what we are building and how you will contribute to our product.