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Software Engineer II, Backend (Credit Decisioning)

Affirm

Software Engineer II, Backend (Credit Decisioning)

full-timePosted: Jan 7, 2026

Job Description

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 Credit Decisioning team is essential to every transaction at Affirm, providing scalable underwriting decisions for integrated point-of-sale (POS) merchants and wallet platforms across the US, Canada, and the UK.

This specific role is within the Credit Expansion sub-team, which focuses on responsibly increasing access to credit while ensuring consistent decision-making for our users. A key part of this team's work involves developing new underwriting features and products to support entry into new markets and partnerships.

Working closely with cross-functional partners in Engineering, Risk, Analytics, Product, and Capital, this role offers a direct opportunity to work on launches that have a significant business impact.
 


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.


What We Look For

· You have a total of 1.5+ years of experience as a software engineer.
· You have experience designing, developing and launching backend systems and are proficient in 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.
· This position requires either equivalent practical experience or a Bachelor’s degree in a related field.

 

Base Pay Grade - L

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: $160,000 - $210,000
USA base pay range (all other U.S. states) per year: $142,000 - $192,000

 #LI-Remote

 

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.

Locations

  • Remote US, (Remote)

Salary

142,000 - 210,000 USD / yearly

Skills Required

  • Pythonintermediate
  • Kotlinintermediate
  • AWSintermediate
  • MySQLintermediate
  • Kubernetesintermediate
  • Backend systems developmentintermediate
  • Distributed systemsintermediate
  • Code reviewsintermediate
  • Debuggingintermediate
  • Strong verbal and written communicationintermediate

Required Qualifications

  • 1.5+ years of experience as a software engineer (experience)
  • Experience designing, developing and launching backend systems and are proficient in one of Python or Kotlin (experience)
  • Familiar with the building blocks of distributed systems, and the technologies like AWS, MySQL and Kubernetes (experience)
  • 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 (experience)
  • Comfortable navigating a large code base, debugging others' code, and providing feedback to other engineers through code reviews (experience)
  • Take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders (experience)
  • Strong verbal and written communication skills that support effective collaboration with our global engineering team (experience)
  • Equivalent practical experience or a Bachelor’s degree in a related field (experience)

Responsibilities

  • With the support of your team’s tech lead and manager, break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work
  • 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
  • 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
  • Contribute to a sense of community on your team by engaging in growth and development activities such as participation in the interview process

Benefits

  • general: Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
  • general: Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
  • general: Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
  • general: ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount
  • general: 100% subsidized medical coverage, dental and vision for you and your dependents
  • general: Monthly stipends for health, wellness and tech spending

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Affirm logo

Software Engineer II, Backend (Credit Decisioning)

Affirm

Software Engineer II, Backend (Credit Decisioning)

full-timePosted: Jan 7, 2026

Job Description

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 Credit Decisioning team is essential to every transaction at Affirm, providing scalable underwriting decisions for integrated point-of-sale (POS) merchants and wallet platforms across the US, Canada, and the UK.

This specific role is within the Credit Expansion sub-team, which focuses on responsibly increasing access to credit while ensuring consistent decision-making for our users. A key part of this team's work involves developing new underwriting features and products to support entry into new markets and partnerships.

Working closely with cross-functional partners in Engineering, Risk, Analytics, Product, and Capital, this role offers a direct opportunity to work on launches that have a significant business impact.
 


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.


What We Look For

· You have a total of 1.5+ years of experience as a software engineer.
· You have experience designing, developing and launching backend systems and are proficient in 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.
· This position requires either equivalent practical experience or a Bachelor’s degree in a related field.

 

Base Pay Grade - L

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: $160,000 - $210,000
USA base pay range (all other U.S. states) per year: $142,000 - $192,000

 #LI-Remote

 

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.

Locations

  • Remote US, (Remote)

Salary

142,000 - 210,000 USD / yearly

Skills Required

  • Pythonintermediate
  • Kotlinintermediate
  • AWSintermediate
  • MySQLintermediate
  • Kubernetesintermediate
  • Backend systems developmentintermediate
  • Distributed systemsintermediate
  • Code reviewsintermediate
  • Debuggingintermediate
  • Strong verbal and written communicationintermediate

Required Qualifications

  • 1.5+ years of experience as a software engineer (experience)
  • Experience designing, developing and launching backend systems and are proficient in one of Python or Kotlin (experience)
  • Familiar with the building blocks of distributed systems, and the technologies like AWS, MySQL and Kubernetes (experience)
  • 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 (experience)
  • Comfortable navigating a large code base, debugging others' code, and providing feedback to other engineers through code reviews (experience)
  • Take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders (experience)
  • Strong verbal and written communication skills that support effective collaboration with our global engineering team (experience)
  • Equivalent practical experience or a Bachelor’s degree in a related field (experience)

Responsibilities

  • With the support of your team’s tech lead and manager, break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work
  • 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
  • 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
  • Contribute to a sense of community on your team by engaging in growth and development activities such as participation in the interview process

Benefits

  • general: Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
  • general: Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
  • general: Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
  • general: ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount
  • general: 100% subsidized medical coverage, dental and vision for you and your dependents
  • general: Monthly stipends for health, wellness and tech spending

Target Your Resume for "Software Engineer II, Backend (Credit Decisioning)" , Affirm

Get personalized recommendations to optimize your resume specifically for Software Engineer II, Backend (Credit Decisioning). Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Software Engineer II, Backend (Credit Decisioning)" , Affirm

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

CheckoutCheckout
Quiz Challenge

Answer 10 quick questions to check your fit for Software Engineer II, Backend (Credit Decisioning) @ Affirm.

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.