Join Affirm as a Full-Stack Software Engineer to enhance repayment experiences for millions in a remote-first team.
Posted by employer 4 days ago
First seen on Joblaze 3 days ago
Last verified on the company career page 4 hours ago
Skills & Technologies
What you'll build
- Break down larger projects into individual tasks
- Collaborate with product management and design
- Create and monitor metrics for team artifacts
- Engage in growth and development activities
- Participate in on-call rotation
Must have
- 1.5+ years of experience as a software engineer
- Experience designing and launching backend systems
- Proficient in Python or Kotlin
- Experience shipping web apps using React or Vue
- Strong verbal and written communication skills
Nice to have
- Experience developing mobile applications using React Native
Practical constraints
- On-call rotation required
- Must be based in Spain for the role
Requirements
- Experience
- 1+ years
- Visa
- Sponsorship available
Benefits
Joblaze summary
In this role, the Full-Stack Software Engineer II will focus on breaking down larger projects into manageable tasks and collaborating with cross-functional teams to ensure timely delivery. Proficiency in backend development using Python or Kotlin, along with experience in web applications using frameworks like React or Vue, is essential. This position is suited for engineers with at least 1.5 years of experience who are comfortable navigating complex codebases and are proactive in their professional growth. The team operates in an agile environment, emphasizing community engagement and continuous learning.
Joblaze insights
- Listed 3 days ago — first seen on Joblaze October 28, 2026. Last confirmed on Affirm's careers page October 31, 2026.
- This exact title is also open at 1 other location at Affirm: Remote Poland.
- Starts above 3% of 115 comparable mid fullstack roles we track (median $130,000 across 58 companies).
Quick facts
- Is the Software Engineer II, Fullstack (Repayment UX) role remote?
- Yes — Affirm lists this as a fully remote position.
- What's the salary range?
- Affirm lists €73,000–€109,000 for this role.
- How much experience is required?
- At least 1 year of relevant experience for this Software Engineer II, Fullstack (Repayment UX) role.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: Kotlin, Python, React, React Native, Vue.
- Does Affirm sponsor work visas for this role?
- Yes — the posting indicates visa sponsorship is available for the right candidate.
- What seniority level is this role?
- Affirm targets mid-level candidates for this position.
- Is this full-time or contract?
- Contract for this Software Engineer II, Fullstack (Repayment UX) role at Affirm.
From the original posting
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).
ESP base pay range per year: €73,000 - €109,000
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
- Learning & Development programs
- Parental benefits
- 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.
#LI-Remote
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.
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Standard company text repeated across Affirm's postings is omitted here.