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Software Engineer II, Fullstack (Ads Platform)

Join Affirm as a Software Engineer II to enhance our Ads Platform and deliver personalized shopping experiences.

Location
United States
Compensation
$146k–$206k/yr
Level
mid
Type
full time · Remote

Posted by employer 1 day ago

First seen on Joblaze 10 hours ago

Last verified on the company career page 10 hours ago

Skills & Technologies

React Kotlin Python Flexible on stack

What you'll build

  • Break down larger projects into individual tasks
  • Collaborate with product management and design
  • Create and monitor metrics for team artifacts
  • Participate in the interview process
  • Support on-call efforts

Must have

  • 1.5+ years of experience as a software engineer
  • Experience shipping web apps using React
  • Experience designing and launching APIs using Python or Kotlin
  • Strong verbal and written communication skills

Requirements

Experience
1+ years
Education
Bachelor's degree

Not disclosed in this posting: visa sponsorship.

Benefits

Equity/Stock Options Remote Work Health Insurance

Joblaze summary

In this role, the Software Engineer II will focus on developing and maintaining the Ads Platform, collaborating with cross-functional teams to break down projects and ensure timely delivery. Proficiency in web app development using React and API design with Python or Kotlin is essential, along with the ability to navigate and debug a large codebase. This position is suitable for engineers with at least 1.5 years of experience who are proactive in seeking feedback and fostering team collaboration. Affirm operates as a remote-first company, emphasizing flexibility and community engagement.

Joblaze insights

  • Listed today — first seen on Joblaze October 10, 2026. Last confirmed on Affirm's careers page October 10, 2026.
  • This exact title is also open at 1 other location at Affirm: Canada.
  • Salary band is below the typical range for Fullstack roles (median ~$165,000).
  • Starts above 63% of 73 comparable mid fullstack roles in United States that list React we track (median $135,000 across 38 companies). See React salary trends
  • React appears in 80% of 170 comparable mid fullstack roles in United States; Kotlin appears in 3.5% of 170 comparable mid fullstack roles in United States.

Quick facts

Is the Software Engineer II, Fullstack (Ads Platform) role remote?
Yes — Affirm lists this as a fully remote position.
What's the salary range?
Affirm lists $146,000–$206,000 for this role.
How much experience is required?
At least 1 year of relevant experience for this Software Engineer II, Fullstack (Ads Platform) role.
What's the tech stack?
Joblaze extracted these technologies from the posting: Kotlin, Python, React.
What seniority level is this role?
Affirm targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Software Engineer II, Fullstack (Ads Platform) role at Affirm.

From the original posting

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.

Our Marketplace is continually evolving to deliver a deeply personalized shopping experience that seamlessly links consumers with merchant partners. By leveraging machine learning alongside rich consumer and merchant data, we aim to simplify and streamline the customer journey around everyday and major purchases with tailored brands, products, deals, and offers. In tandem, we are advancing our Ads Platform which is a key technology that empowers merchant partners to strategically deploy their budgets and reach targeted consumers for maximum incremental 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 shipping web apps using declarative UI frameworks like React.
  • You have experience designing, developing and launching APIs at scale using languages like Python or Kotlin.
  • 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

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: $165,000 - $225,000
USA base pay range (all other U.S. states) per year: $146,000 - $206,000

#LI-Remote

Remote-first with flexibility built in
Affirm is proud to be a remote-first company. Most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an Affirm office, and a few are office-based due to the nature of the work. All new hires will be invited to attend an in-person onboarding experience.

By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and consent to the use of your personal information as described.

Standard company text repeated across Affirm's postings is omitted here.

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