Software Engineer II, Fullstack – Ads Platform

Affirm

. Break down larger projects into individual tasks and deliver them in multiple phases .

Posted 10/9/2026full-timeRemote • United StatesJunior💰 $146,000 - $206,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and launching web applications using React and APIs with Python or Kotlin, while effectively collaborating with cross-functional teams to drive product development and maintain high-quality code standards.

Highest-signal resume keywords

Web Application DevelopmentAPI Design and DevelopmentReact FrameworkPython or Kotlin ProgrammingCode Review and Feedback

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Web Application DevelopmentAPI DesignReact FrameworkPython ProgrammingKotlin ProgrammingCode DebuggingExtensible Code WritingMetrics MonitoringTask BreakdownTechnical Constraints Articulation

Soft Skills

Verbal CommunicationWritten CommunicationCollaborationProblem SolvingFeedback Provision

Certifications & Qualifications

Bachelor’s Degree in Related Field

Industry Keywords

Software EngineeringProduct DevelopmentCode ReviewOn-Call SupportGrowth and Development Activities

Tech Stack

Tools & technologies

KotlinPythonReact

About the role

Key responsibilities & impact

Break down larger projects into individual tasks and deliver them in multiple phases
Collaborate with team members, product management, design, and analytics to support product development
Participate in ideation, articulate technical constraints, and help make risk- and trade-off-informed decisions
Create and monitor metrics for team artifacts
Escalate issues and support keep-the-lights-on and on-call efforts
Participate in growth and development activities, including the interview process

Requirements

What you’ll need

1.5+ years of experience as a software engineer
Experience shipping web apps using declarative UI frameworks like React
Experience designing, developing, and launching APIs at scale using languages like Python or Kotlin
Ability to turn simple problems or business scenarios into solutions interacting with multiple software components
Ability to write clear, well-tested, extensible code
Comfortable navigating a large code base and debugging others' code
Experience providing feedback through code reviews
Strong verbal and written communication skills
Either equivalent practical experience or a Bachelor’s degree in a related field

Benefits

Comp & perks

Equity rewards may be included in the total compensation package
Monthly stipends for health, wellness, and tech spending
100% subsidized medical coverage for employees and dependents
Dental and vision coverage for employees and dependents
Flexible time off
Generous holiday calendars
Employee stock purchase plan (ESPP) to buy Affirm stock at a discount
Inclusive interview process with accommodations for candidates with disabilities
Remote-first flexibility within the country of employment
In-person onboarding experience for all new hires