Senior Software Engineer, Fullstack (App Experience)

Affirm; Los Angeles (CA); Remote; USD 195,000 - 255,000; Full time

Benefits offered by this job

100% subsidized medical coverage

Monthly stipends for tech setup

Flexible time off

ESPP

Job summary

Affirm hires a software engineer for a remote-first role in the US. You will break down projects into tasks, deliver in phases, and collaborate with your team to ensure on-time delivery.

You will design, develop, and launch APIs at scale using Kotlin or Python, and ship web apps with React/Vue as well as mobile apps with React Native. You will own code quality and participate in code reviews while growing with the team.

Qualifications

• 1.5+ years of experience as a software engineer.
• Experience shipping web apps using React or Vue.
• Experience shipping mobile apps using React Native.
• Experience designing, developing and launching APIs at scale using Kotlin or Python.
• Ability to translate problems into well-tested, extensible code.
• Comfort navigating a large code base and performing code reviews.
• Ownership of growth and seeking feedback from team and stakeholders.
• Strong verbal and written communication for collaboration with a global team.
• Bachelor’s degree or equivalent practical experience.

Responsibilities

• Break down larger projects into tasks, deliver in multiple phases, and collaborate to ensure timely delivery.
• Collaborate with product management, design & analytics; discuss constraints and trade-offs.
• Support operations and availability by creating/monitoring metrics and on-call efforts.
• Contribute to team growth by engaging in interview processes and professional development.

Skills

React

Vue

React Native

Kotlin

Python

APIs at scale

Code reviews

Growth mindset

Communication

Education

Bachelor’s degree

Job description

At Aff, 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.

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 or Vue
• You have experience shipping mobile apps using native or cross-platform languages like React Native
• You have experience designing, developing and launching APIs at scale using languages like Kotlin or Python.
• 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 Aff typically come in at the start of the pay range. Aff 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: $195,000 - $255,000

USA base pay range (all other U.S. states) per year: $173,000 - $233,000

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 Aff 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.

Benefits Designed For You

Our benefits reflect our commitment to care, transparency, and flexibility. Here are a few highlights:

• Health coverage at no cost: We cover 100% of premiums for employees and their dependents.
• Spending stipends: Monthly stipends support your tech setup, and the ability to choose health and wellness options that are right for you.
• Time off to recharge: Flexible time off and generous holiday calendars help you rest when you need to.
• Own a piece of what you build: Our employee stock purchase plan (ESPP) lets you buy Aff stock at a discount.

We’re committed to providing an inclusive interview process, including accommodations for candidates with disabilities. If you need support, we’re happy to help.

For positions based in San Francisco or Los Angeles: Aff considers qualified applicants with arrest and conviction records, as required by law.