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Software Engineer II, Fullstack (International)

Join Affirm as a Software Engineer II to build and improve financial products for international markets with a remote-first team.

Location
Spain
Compensation
€73k–€109k/yr
Level
mid
Type
contract · Remote

Posted by employer 1 day ago

First seen on Joblaze 1 day ago

Last verified on the company career page 1 day ago

Skills & Technologies

What you'll build

  • break down larger projects into individual tasks
  • support product development lifecycle
  • create and monitor metrics
  • engage in growth and development activities
  • participate in on-call rotation

Must have

  • 1.5+ years of experience as a software engineer
  • experience shipping web apps using React or Vue
  • experience designing, developing and launching APIs using Python or Kotlin
  • ability to write clear, well tested and extensible code
  • strong verbal and written communication skills

Practical constraints

  • on-call rotation required
  • must be based in Spain

AI in the day-to-day

constantly looking for ways to get AI to increase productivity on a daily basis

Requirements

Experience
1+ years
Visa
Sponsorship available

Benefits

Learning & Development Programs Equity/Stock Options Remote Work Health Insurance Parental Leave

Joblaze summary

In this role, the Software Engineer II will engage in the full software development lifecycle, breaking down projects into manageable tasks and collaborating with cross-functional teams to deliver impactful products. Proficiency in web app development using frameworks like React or Vue, along with experience in API design using Python or Kotlin, is essential. This position is suited for engineers with at least 1.5 years of experience who are eager to take ownership of their work and contribute to a collaborative team environment. The team operates in an agile manner, focusing on delivering solutions that enhance the financial lives of users across international markets.

Joblaze insights

  • Listed yesterday — first seen on Joblaze November 14, 2026. Last confirmed on Affirm's careers page November 14, 2026.
  • This exact title is also open at 2 other locations at Affirm: Poland, Remote UK.
  • Starts above 4% of 111 comparable mid fullstack roles we track (median $125,000 across 53 companies).

Quick facts

Is the Software Engineer II, Fullstack (International) 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 (International) role.
What's the tech stack?
Joblaze extracted these technologies from the posting: Kotlin, Python, React, 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 (International) 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 International Accelerator Engineering team is growing, and we're looking for a Software Engineer to join us! 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 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.

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 shipping web apps using declarative UI frameworks like React or Vue.
· You have experience designing, developing and launching APIs at scale using languages like Python or Kotlin.
· 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 - 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.

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.

Standard company text repeated across Affirm's postings is omitted here.

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