Oh My JobFind JobsResources
Company
  • About Us
  • Blog
  • Contact
  • Career Guides
Popular Roles
  • Registered Nurse Jobs
  • Home Health Aide Jobs
  • Software Developer Jobs
  • Project Manager Jobs
  • Part-Time Jobs
Tools
  • Paycheck Calculator
  • Job Market Data
Legal
  • Terms of Service
  • Privacy Policy
  • California Privacy Rights
For Employers
Post a Job
  1. Home
  2. Jobs
  3. Software Engineer
  4. Senior Software Engineer, Backend (Partner Merchant Interface)
Illustration - Senior Software Engineer, Backend (Partner Merchant Interface)

Senior Software Engineer, Backend (Partner Merchant Interface)

Affirm
Affirm
Remote US
Sep 9, 2026
Salary not listed

At a glance

  • Internship
  • Remote

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.

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.

What Youll Do

· With the support of your team, you will work on tasks that contribute to the teams 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.

What We Look For

· You have previous work or internship experience designing, developing and launching backend systems at scale and are experienced using 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 - N

Equity Grade - 9

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: <span data-formula-id=&quot;_c_f_k_P5xGmz9k_0&quot; data-error=&quot;false&quot; data-placeholder

Affirm on Oh My Job

310 open positions right now, including 5 in New York. Average salary across all roles: $78,769–$103,777.

Apply now
Share:

Where Software Engineer jobs are hiring right now

Based on active listings in our database, by state. Hover a state for its exact count.
Software Engineer job openings by US stateChoropleth map of Software Engineer job openings across US states, based on active listings in our database. California has the most open positions (240), while Idaho has the fewest among states with active listings (1).
NoneLowMediumHighVery high
Software Engineer open positions by state
StateOpen positions
California240
Texas159
Maryland135
Virginia106
New Jersey99
New York81
Florida64
Washington60
Illinois59
Ohio52
Colorado39
Massachusetts33
Minnesota33
Alabama31
Arizona30
Michigan25
Pennsylvania24
North Carolina21
Arkansas20
Georgia20
Tennessee19
Delaware14
Nevada13
Missouri12
Oklahoma12
Indiana10
Utah10
Kansas7
Oregon7
Wisconsin7
Connecticut6
Maine6
South Carolina5
West Virginia5
Hawaii4
Iowa4
Kentucky3
New Mexico3
Montana2
Nebraska2
Idaho1

Similar positions:

  • VISA

    Software Engineer - Sr. Consultant level

    VISA • US Austin, TX

    Recently posted
  • VISA

    Staff Software Engineer-AI Solutions

    VISA • US Ashburn, VA

    Recently posted
  • VISA

    GenAI Senior Software Engineer

    VISA • US Austin, TX

    Recently posted
  • VISA

    Lead Software Engineer – Cloud Native Platforms (GCP)

    VISA • US Foster City, CA

    Recently posted