Fullstack Software Engineer (International)
Affirm
mid-level
Location
United Kingdom
Work Type
Remote
Open to applicants in
United Kingdom
Seniority
mid-level
Posted
August 19, 2026
Total Compensation
€155,000
Yearly Savings (Comfortable)
€44,000
Want to apply for this job?
Subscribe to access the application link and 15,000+ more jobs
Job Description
- We directly improve the financial lives of over 20 million people shaping how Affirm builds Direct-to-Consumer products for Canada, the UK, and future international markets
- We build and own various products used by our consumers, like the Affirm App and other Direct to Consumer products across international markets
- We are here to make sure we reach and provide useful tools to our users so they can experience honest financial products at their fullest
- Our work is agile and fast-paced, shipping new code to production for millions to use across geographies and rigorously measuring the impact it has on them
- This role rewards curiosity, ownership, ability to zoom in and out, switch contexts often, also in an open contribution model, 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, while constantly looking for ways to get AI to increase productivity on a daily basis
- You’ll learn quickly from experienced teammates and grow your craft on problems that matter at scale
- 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
Benefits
- Compensation: We have a simple, flexible, and transparent remote-first compensation structure so you can make the best decisions for yourself and your family
- Spending Wallets: Access tech, food, lifestyle, and family planning wallets for your expenses
- Supportive Communities: Get involved with our employee resource groups and community groups
- Remote-first Workforce: If your role is remote, you can set up shop anywhere in your home country
- Generous Time Off: Take the time you need when life happens
- Health Benefits: Get a plan that fits your needs
- Mental Healthcare: Take care of your mind with great mental health programs
- Parental Leave: Birth and non-birth parents get 18 weeks’ paid leave. Plus, a 4-week return-to-work transition program, at full base pay
- Away Days: We offer 20 company-wide paid days off—which help our teams collectively pause to recharge
- Learning & Development: Engage in exciting learning programs to level up your growth- You have experience shipping web apps using declarative UI frameworks like React or Vue
- 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
- You have experience designing, developing and launching APIs at scale using languages like Python or Kotlin
- You are comfortable navigating a large code base, debugging others’ code, and providing feedback to other engineers through code reviews
- You have strong verbal and written communication skills that support effective collaboration with our global engineering team
- You have a total of 1.5+ years of experience as a software engineer
- Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders
More Jobs You Might Like
Helpful Resources
Salary & Savings Calculator
Compare salaries across European cities and calculate your potential savings. Understand cost of living and take-home pay for tech jobs in Europe.
Career Guides
Expert advice on landing high-paying tech jobs in Europe. Tips on interviews, salary negotiation, and career growth from The European Engineer.
Access 15,000+ High-Paying Tech Jobs
Get unlimited access to our full database of 15,000+ jobs with advanced filters, salary comparisons, and exclusive career guides from The European Engineer.