[Hiring] Backend JVM Software Engineer @Addi

Role Description

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 both our business and technical objectives.
• Work within the Lending team, ensuring users can successfully make purchases through any of our journeys, using our instant payments product or any of our lending ones.
• Collaborate with product, business, and other engineering teams to integrate new features, improve system performance, and enhance the reliability of services that enable seamless user transactions over the next 12 months.

What you will do

• Take end-to-end 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, rotating to distribute knowledge and experience.
• Contribute to our Architecture Decision Records, proposing new techniques, patterns, and tools for our evolving platform.

Qualifications

• Proven software development experience.
• 5 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.

Requirements

• 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 systems 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.
• Outstanding ability to thrive in a fast-paced, constantly changing environment, balancing immediate results with long-term strategic planning.
• 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.
• Proven ability to collaborate effectively with product managers and designers to align technical solutions with user needs and business strategy.
• Takes responsibility for delivering impactful projects end-to-end, from conception to post-deployment support.
• 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.

Benefits

• Work on a problem that truly matters—redefining how people shop, pay, and bank in Colombia, breaking down financial barriers and empowering millions.
• Be part of something big from the ground up, helping shape a company and influencing everything from technology and strategy to culture and values.
• Unparalleled growth opportunity in a fast-scaling fintech lender.
• Join a world-class team, working alongside top-tier talent from around the world.
• Competitive compensation, including a generous salary, equity in the company, and benefits that support your growth.

How the hiring process looks like

• Step 1: People Interview (30 min) - Meet with our recruiter for a 30-minute video chat.
• Step 2: Initial Interview (45 min) - Meet with one backend software engineer for a 45-minute video chat interview.
• Step 3: Take Home Challenge (1 week) - Complete a simple take-home challenge within a 1-week window.
• Step 4: Deep Dive Interview (60 min) - Meet with a backend software engineer and the engineering manager for a 45-minute chat.
• Step 5: Co-Founder Interview (30 min) - Meet onsite with one of our founders for a 30-minute chat.