Software Engineer II, Fullstack (Repayment UX)

Affirm, Inc.; Comunidad de Madrid; Remote; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Visa sponsorship

Remote-first

Health coverage

Employee stock purchase plan

Job summary

Affirm, Inc. is seeking a Software Engineer II, Fullstack (Repayment UX) to join a Europe-based team focused on reliable, scalable repayment experiences. The role operates from Spain with a remote-first policy, collaborating across product, design and analytics.

Expect on-call rotations and opportunities to impact millions of users with high-scale financial services. You'll contribute to backend and frontend work using Python or Kotlin, React/Vue, and possibly React Native, while growing your

Qualifications

• 1.5+ years of experience as a software engineer.
• Proficient in Python or Kotlin.
• Experience shipping web apps with React or Vue.
• Experience with mobile apps using React Native is a bonus.
• Comfortable navigating a large code base and giving feedback via code reviews.
• Demonstrated ownership and proactive growth.
• Strong verbal and written communication for global collaboration.

Responsibilities

• Break down projects into tasks and deliver in phases with timely delivery.
• Collaborate with product, design and analytics on feasibility and constraints.
• Support operations by creating metrics and maintaining on-call readiness.
• Foster team growth through participation in interview processes.
• Participate in on-call rotation as part of the role.

Skills

Python

Kotlin

React

Vue

React Native

Code reviews

Ownership

Communication

Job description

Software Engineer II, Fullstack (Repayment UX)

Remote Spain

At affirm, we exist for the moments that matter-giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.

The Repayment UX Engineering team is growing, and we're looking for a Full-Stack Software Engineer. We're a full-stack team located entirely in Europe within the same time zone, but culturally rooted in Silicon Valley. We directly improve the financial lives of over 20 million people. We build and own user journeys that enable them to pay back loans worth collectively over $40B each year. Our team exists to make these moments the most reliable and transparent in world-class consumer finance.

Our work is agile and fast-paced and we rigorously measure the impact it has on the behavior of our users. This role rewards curiosity, ownership, and a builder's mindset. You'll know exactly what your objectives are, you'll have what you need to hit them, and you'll choose your own path to get there. You'll learn quickly from experienced teammates and grow your craft on problems that matter at scale.

If you want to build something new and operate it at scale - come join us!

What You'll Do

• With the support of your team’s tech lead and manager, you will break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work.
• You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.
• You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting keep the lights on & on-call efforts.
• You will contribute to a sense of community on your team by engaging in growth and development activities such as participation in the interview process.
• On-Call Rotation - There would be an on-call rotation for this role as a requirement.

What We Look For

• You have a total of 1.5+ years of experience as a software engineer.
• You have experience designing, developing and launching backend systems and are proficient in one of Python or Kotlin.
• You have experience shipping web apps using declarative UI frameworks like React or Vue
• Experience developing and architecting mobile applications, preferably using declarative UI frameworks like React Native is a bonus.
• You are comfortable navigating a large code base, debugging others' code, and providing feedback to other engineers through code reviews.
• You have mastered taking a simple problem or business scenario into a solution that interacts with multiple software components, and executing on it by writing clear, easily understood, well tested and extensible code.
• Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders.
• You have strong verbal and written communication skills that support effective collaboration with our global engineering team.

Compensation and Benefits

Base Pay Grade - L

Equity Grade - Spain 3

Employees new to affirm typically come in at the start of the pay range. affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors, including location, experience and job-related skills.

Base pay is part of a total compensation package that may include monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). In addition, the employees may be eligible for equity rewards offered by affirm holdings, inc. (parent company).

Additional benefits include:

• Type of employment: Contract of Employment
• Flexible Spending Wallets for tech, food and lifestyle
• Away Days - wellness days to take off work and recharge
• Employee Resource & Community Groups

Location

Remote Spain

We are able to offer visa sponsorship for this role, but do require that someone is based in Spain for the role.

Remote-first with flexibility built in

affirm is proud to be a remote-first company. Most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an affirm office, and a few are office-based due to the nature of the work. All new hires will be invited to attend an in-person onboarding experience.

Benefits designed for you

• Health coverage at no cost: We cover 100% of premiums for employees and their dependents.
• Spending stipends: Monthly stipends support your tech setup, and the ability to choose health and wellness options that are right for you.
• Time off to recharge: Flexible time off and generous holiday calendars help you rest when you need to.
• Own a piece of what you build: Our employee stock purchase plan (ESPP) lets you buy affirm stock at a discount.

We're committed to providing an inclusive interview process, including accommodations for candidates with disabilities. If you need support, we're happy to help.

For positions based in San Francisco or Los Angeles: affirm considers qualified applicants with arrest and conviction records, as required by law.