Junior Full Stack Software Engineer - Consumer Engineering

About the Role

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. We are seeking a Junior Full Stack Software Engineer to join the Card Acquisition team within the Consumer organization. This role is for an engineer who will contribute to the quality and velocity of full stack development across mobile, web, and backend systems. As a Junior Full Stack Software Engineer, you will play a critical role in shaping the first experience customers have with Affirm—building trust, clarity, and value from the very first interaction.

What You'll Do

• Implement features and participate in technical discussions to enhance the user experience.
• Collaborate with product, design, and engineering teams to build polished, performant, and accessible user experiences that directly impact conversion, retention, and business growth.
• Work on tasks that contribute to the team’s projects and goals, ensuring a balance of speed and quality in your work.
• Engage in growth and development activities to foster a sense of community within your team.
• Participate in an on-call rotation as a requirement of the role.

Requirements

• Previous work or internship experience designing, developing, and launching backend systems at scale.
• Experience with Python or Kotlin, and familiarity with distributed systems technologies such as AWS, MySQL, and Kubernetes.
• Knowledge of modern front-end tech stack including JavaScript, TypeScript, React/React Native/Redux, ES6, Webpack, and CSS3.
• Ability to transform simple problems into solutions that interact with multiple software components, writing clear, well-tested, and extensible code.
• Strong verbal and written communication skills for effective collaboration with our global engineering team.

Nice to Have

• Experience navigating a large code base and providing constructive feedback through code reviews.
• Proactive in seeking feedback and taking ownership of your growth.
• Self-driven and motivated, with a passion for solving complex technical problems.

What We Offer

• Base pay range of €55,000 – €85,000 per year.
• Flexible Spending Wallets for tech, food, and lifestyle.
• Away Days – wellness days to recharge.
• Learning & Development programs.
• Parental benefits and Employee Resource & Community Groups.
• 100% subsidized medical coverage, dental and vision for you and your dependents.