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Affirm

Senior Software Engineer

Sorry, this job was removed at 10:12 p.m. (EST) on Friday, Feb 27, 2026
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Remote
Hiring Remotely in United States
Easy Apply
Remote
Hiring Remotely in United States

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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.

What You'll Do: 

  • Design and develop software for the consumer facing mobile and web application;  

  • Create tools and libraries that provide foundational functionality for, or in support of, the  core consumer facing web and mobile applications;

  • Maintain, improve, test, build, and release pipelines;  

  • Incorporate needs and opinions from stakeholders, advocating for ideas and initiatives;

  • Provide guidance on core application architectural decisions and driving implementation;

  • Work with engineers across the organization on project definition, technical specification,  task break-down, delivery, monitoring, and maintenance;  

  • Generate designs for new functionalities that are robust, maintainable and scalable; 

  • Write code that can be understood and leveraged by others, and meet the demands of the  business’s rapid growth;  

  • Provide support on questions about the consumer facing application implementation and  the tooling built around the app; and  

  • Mentor less-experienced members of the team by helping them with code review and  setting up best coding practices.  

  • May telecommute 

What we look for: 

  • Master’s degree or foreign equivalent in Computer Science, Computer Software  Engineering, Information Management or related field and 5 years of experience in the  following: 

  • Building software using modern programming languages such as Kotlin, Python, or  equivalent; 

  • Designing full stack software solutions that are robust, maintainable, and scalable;

  • Leveraging software engineering best-practices such as Source Control, Agile  Methodology, or Code Reviews to develop and deploy projects within an agreed upon  timeline; 

  • Debugging code issues utilizing logging and monitoring systems and stack trace analysis;

  • Writing technical specifications for software features, discussing tradeoffs and breaking  down complex concepts into actionable work items; 

  • Developing backend features including APIs (application programming interfaces), data  schemas, data stores, and algorithms; 

  • Ensuring code quality and system health via automated and manual test coverage,  debugging, and "on-call rotations"; and 

  • Participating in recruiting efforts via conducting interviews and writing or presenting  technical content. 

 

Base Pay Grade – N 

Equity Grade - 6 

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: $206,315 - $240,000

USA base pay range (all other U.S. states) per year: $206,315 - $219,000 

 #LI-DNI

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 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.

Affirm Toronto, Ontario, CAN Office

155 Wellington St. W, Toronto, ON, Canada, M5V 3H1

What you need to know about the Toronto Tech Scene

Although home to some of the biggest names in tech, including Google, Microsoft and Amazon, Toronto has established itself as one of the largest startup ecosystems in the world. And with over 2,000 startups — more than 30 percent of the country's total startups — Toronto continues to attract new businesses. Be it helping entrepreneurs manage their finances, simplifying business operations by automating payroll or assisting pharmaceutical companies in launching new drugs, the city's tech scene is just getting started.

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