Senior Software Engineer, Backend (OpenLoop BNPL)

Affirm; San Diego (CA); Remote; USD 190,000 - 240,000; Full time

Job summary

A leading tech company seeks a Senior Software Engineer for their backend team focusing on OpenLoop BNPL solutions. The role involves leading projects, developing backend systems, and ensuring high-quality deliverables. Candidates should have extensive experience in Python or Kotlin and familiarity with AWS and distributed systems. This is an opportunity to directly impact user financial experiences while working in a transparent and innovative environment.

Benefits

100% subsidized medical coverage

Flexible Spending Wallets for technology and lifestyle needs

Competitive vacation and holiday schedules

Employee stock purchase plan

Qualifications

• 5+ years of experience designing and launching backend systems.
• Experience with high-availability distributed systems.
• Understanding of payment processing and transaction routing.

Responsibilities

• Own and deliver quarterly goals for the engineering team.
• Collaborate with product management and design throughout development.
• Foster a culture of quality and ownership within the team.

Skills

Python

Kotlin

AWS

MySQL

Kubernetes

Communication

Education

Bachelor’s degree in a related field

Job description

Senior Software Engineer, Backend (OpenLoop BNPL)

Join to apply for the Senior Software Engineer, Backend (OpenLoop BNPL) role at Affirm

Senior Software Engineer, Backend (OpenLoop BNPL)

2 days ago Be among the first 25 applicants

Join to apply for the Senior Software Engineer, Backend (OpenLoop BNPL) role at Affirm

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 OpenLoop BNPL team is the bridge between Cards and Loans at Affirm, owning the complex routing logic that makes transparent financing possible at scale. Every swipe depends on our real-time decision engine that matches transactions to loans in milliseconds, directly impacting millions of users' financial experiences. With our catalog of card products and integrations expanding rapidly, come join us in building the next frontier of honest financing.

What You'll Do

• You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
• 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 proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.
• 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 foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks.
• You will help develop talent on your team by providing feedback and guidance, and leading by example.
  
  

What We Look For

• You have 5+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin.
• You have a track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes.
• (bonus) You have worked with payment processing systems, card networks, or transaction routing, and understand the complexities of handling high-volume, low-latency financial transactions with strict availability requirements.
• You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design. You write high quality code that is easily understood and used by others.
• You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely.
• 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.
• This position requires either equivalent practical experience or a Bachelor’s degree in a related field.
  
  

Pay Grade - N

Equity Grade - 8

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 equity rewards, monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents.)

USA base pay range (CA, WA, NY, NJ, CT) per year: $190,000 - $240,000

USA base pay range (all other U.S. states) per year: $169,000 - $219,000

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.

Benefits

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 Affirm's Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

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