Software Engineer I, Backend (Collections)
- Salary
- €57,000 - €87,000
- Level
- Junior
- Work type
- Remote · Spain only
- Visa
- Sponsors visas
Open. First seen 20 September 2026.
About the role
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 Collections team, as part of the Repayments area, is on a mission to build a robust platform that will maximize the recovery of delinquent users by sending the right message to the right people at the right time, while monitoring and detecting problems and ensuring high reliability of the engineering systems. Collaborating closely with our product managers, backbook risk teams and other engineering teams , you will effectively manage loans throughout the delinquency phase of their lifecycle and develop and implement recovery strategies.
We are looking for a highly motivated software engineer to build the next generation platform solutions that will allow us to manage our constantly growing volume while maintaining high availability and reliability of the systems. You will work closely with your team mates in the Collections team and Product to build robust collections solutions which will enable us to keep our loans portfolio healthy and help our customers pay on time and recover from any delays.
What You'll Do
- With the support of your team, you will work on tasks that contribute to the team's projects and goals.
- On-Call Rotation - There would be an on-call rotation for this role as a requirement
- You will work collaboratively and proactively with your team and stakeholders, bringing them along for your work and helping to create visibility and dialog regarding the risks and trade-offs related to your work.
- You will strike the right balance of speed and quality in your work, ensuring that we hit our business goals while protecting our systems from downtime.
- You will contribute to a sense of community on your team by engaging in growth and development activities
What We Look For
- You have previous work or internship experience designing, developing and launching backend systems at scale and are experienced using one of Python or Kotlin.
- You are familiar with the building blocks of distributed systems, and the technologies like AWS, MySQL and Kubernetes.
- 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 are comfortable navigating a large code base, debugging others' code, and providing feedback to other engineers through code reviews.
- 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 - J
Equity Grade - 2
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).
We are able to offer visa sponsorship for this role, but do require that someone is based in Spain for the role.
ESP base pay range per year: 57,000 - 87,000 EUR
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
This role is eligible for creative tax benefits, subject to applicable law and company policy
Location - Remote Spain
The majority of our roles can be located anywhere in Spain.
**This job description is not a contractual document, and is not intended to have binding force.**
#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.
Affirm's standard text
Benefits designed for you
Our benefits reflect our commitment to care, transparency, and flexibility. Here are a few highlights:
- 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.
Affirm's standard text
By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and consent to the use of your personal information as described.
What this role asks for
Standard for backend roles
AWS · Kubernetes
Common in backend postings at any company.
In most of Affirm's ads
Python
Named in most of its open postings, whatever the role.
84% of this description is written for the role. The rest is Affirm's standard text, folded away below.
Read against Affirm's other open postings on this site.
The team: Financial Platforms - Engineering HIRES STEADILY
This role is one of 18 open in Financial Platforms - Engineering. 4 were posted in the last 30 days and the oldest in July: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Kotlin (15 of 18), Python (15 of 18), AWS (14 of 18), MySQL (14 of 18), Kubernetes (12 of 18), Spark (6 of 18), React (4 of 18)
OTHER ROLES ON THIS TEAM
- Manager, Software Engineering (Loans Lifecycle) posted Oct 16
- Software Engineer II, Backend (Batch Developer Experience) posted Oct 9
- Software Engineer II, Backend (Batch Developer Experience) posted Oct 9
- Software Engineer, Early Career (NYC) posted Oct 6
- Senior Software Engineer, Backend (Loan Origination and Reporting) posted Sep 11
- Software Engineer II, Fullstack (International) posted Aug 13
- Senior Software Engineer, Fullstack (International) posted Aug 13
- Staff Software Engineer, Backend (Order Platform) posted Aug 10
- Software Engineer I, Backend (Collections) posted Jul 22
- Staff Software Engineer, Backend (Ledger Engineering) posted Jul 20
- Staff Software Engineer, Backend (Ledger Engineering) posted Jul 20
- Senior Software Engineer, Back-end, (Repayment Scheduling) posted Jul 16
- Senior Software Engineer, Back-end, (Repayment Scheduling) posted Jul 16
- Senior Software Engineer, Mobile (Repayment UX) posted Jul 14
- Senior Software Engineer, Mobile (Repayment UX) posted Jul 14
- Software Engineer II, Backend (Furnishing Platform) posted Jul 13
- Software Engineer II , Backend, (Furnishing Platform) posted Jul 13
From the team and dates on Affirm's own job board.
See Software Engineer salaries in Remote →
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