A
Affirm
Senior Backend Software Engineer (Partner Merchant Interface)
Skills
KotlinPythonMySQLAWSKubernetes
1 month ago
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Important information
Contract type:
Permanent
Salary:
$173,000 – $255,000 / year
Location:
New York, NY, USA
Work mode:
Onsite
Published on:
13 September 2026
What they need
- The Partner Merchant Interfaces - Integration team within Decisions Foundations is growing and we are looking for a Software Engineer. You will be part of a fast paced team which is responsible for the APIs that Partners and Merchants use to integrate with Affirm, and also power some of our top partners like Amazon and Stripe
- With the support of your team, you will work on tasks that contribute to the team’s projects and goals
- You will work collaboratively and proactively with your team and stakeholders, bringing them along for your work and helping to create visibility and dialog regarding the risks and trade-offs related to your work
- You will strike the right balance of speed and quality in your work, ensuring that we hit our business goals while protecting our systems from downtime
- You will contribute to a sense of community on your team by engaging in growth and development activities
Benefits
- Compensation: We have a simple, flexible, and transparent remote-first compensation structure so you can make the best decisions for yourself and your family
- Spending Wallets: Access tech, food, lifestyle, and family planning wallets for your expenses
- Supportive Communities: Get involved with our employee resource groups and community groups
- Remote-first Workforce: If your role is remote, you can set up shop anywhere in your home country
- Generous Time Off: Take the time you need when life happens
- Health Benefits: Get a plan that fits your needs
- Mental Healthcare: Take care of your mind with great mental health programs
- Parental Leave: Birth and non-birth parents get 18 weeks’ paid leave. Plus, a 4-week return-to-work transition program, at full base pay
- Away Days: We offer 20 company-wide paid days off—which help our teams collectively pause to recharge
- Learning & Development: Engage in exciting learning programs to level up your growth- 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
- This position requires either equivalent practical experience or a Bachelor’s degree in a related field
- You are familiar with the building blocks of distributed systems, and the technologies like AWS, MySQL and Kubernetes
- You have strong verbal and written communication skills that support effective collaboration with our global engineering team
- Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders
- You have previous work or internship experience designing, developing and launching backend systems at scale and are experienced using one of Python or Kotlin
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