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Staff Software Engineer (Repayments)

Spain flag Spain


Posted 12 days ago

Job Type

Full Time


$84k - $126k







  • Affirm is revolutionizing credit to be transparent and consumer-friendly, allowing for buy now, pay later with no hidden fees. The Repayments Platform team seeks a Staff Software Engineer in Spain to lead backend development and expand to multiple team initiatives.

  • Key projects involve designing and implementing large-scale, low-latency services and mentoring engineers for success. The role offers opportunities for technical growth, leadership, and working with cutting-edge technologies like AWS and cloud providers.

  • Professional growth opportunities include leading technical initiatives, mentoring engineers, collaborating with other teams, and designing highly available backend systems.


Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.

The Repayments Platform team is looking for a Staff Software Engineer specializing in Backend development. The team is located entirely in Europe with Poland as our base of operations.

This role requires a high level of technical capability, leadership skills, strong cross-functional communication and a creative mindset. You’ll start by leading the technical initiatives of one of our teams while slowly expanding your area of responsibility with the end goal of leading several teams initiatives. If this sounds like something you’d be interested in, don’t hesitate and apply now!

What You'll Do

  • Contribute to the design and implementation of large scale and low latency services, elegant abstractions, shareable libraries, and robust APIs.

  • Lead and mentor engineers to help them succeed and grow. Provide them with the right context and train them to take ownership of their respective pieces of our initiatives.

  • Conduct technical and soft skill evaluations to inform and influence our hiring decisions.

  • Partner with other engineering teams and third-party vendors to develop reliable and scalable solutions to a wide range of problems.

  • Review others’ work and provide reinforcing and constructive feedback to meet our high quality standards.

  • On-Call Rotation - There would be an on-call rotation for this role as a requirement

What We Look For

  • +7 years of development experience.

  • Experience leading design and execution and delivery of backend software projects.

  • Experience with AWS and/or other cloud providers like Azure , GCP etc;.

  • Experience with designing and owning highly available, fault-tolerant backend systems using cloud storage services.

  • Strong understanding of CS fundamentals such as Distributed Systems, Database Systems, Operating Systems, algorithms, and data structures. Hands-on coding and debugging experience using modern software delivery methods to develop services using Python, Go, or JVM-based languages (Java, Kotlin, Scala).

  • Experience building software for database administration or experience with devops for databases is a plus.

  • Working knowledge of OLAP systems like Snowflake, Redshift , BigQuery and Table formats like Apache Iceberg , HUDI, Delta Lake is a plus.

  • Eager to learn new things and have a growth mindset.

  • Machine learning experience is a bonus but it’s not required.

  • At least one of:
    - Experience working in Database, SRE, or Infrastructure teams in the past, or have operated a distributed data storage system such as MySQL, Kafka, Cassandra, or others.
    - Experience with Service-Oriented Architectures (SOA). We use technologies such as Kubernetes, Docker, gRPC, Envoy, Istio, Celery/RabbitMQ, and NGINX, but we are always looking for new technologies to adopt.

Compensation & Benefits

  • Flexible Spending Wallets for tech, food and lifestyle

  • Generous time off policies

  • Away Days - wellness days to take off work and recharge

  • Learning & Development programs

  • Parental leave

  • Robust health benefits

  • Employee Resource & Community Groups

Pay Grade - ESP31

Employees new to Affirm or promoted into a new role, typically begin in the min to mid range.

ESP base pay range per year:

Min: €83,900

Mid: €104,800

Max: €125,800

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

Location - Remote Spain


Affirm is proud to be a remote-first company! The majority of our roles are remote and you can work almost anywhere within the country of employment. Affirmers in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned Affirm office. A limited number of roles remain office-based due to the nature of their job responsibilities.

We’re extremely proud to offer competitive benefits that are anchored to our core value of people come first. Some key highlights of our benefits package include:

  • Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents

  • Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses

  • Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge

  • ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount

We believe It’s On Us to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.

[For U.S. positions that could be performed in Los Angeles or San Francisco] Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance, Affirm will consider for employment qualified applicants with arrest and conviction records.

By clicking "Submit Application," you acknowledge that you have read the for applicants within the United States, the for applicants applying from Poland, the for applicants applying from Spain, or the for applicants applying from the United Kingdom, and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.


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