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Affirm

Software Engineer I, Backend – Collections

Affirm

Software Engineer I developing backend solutions for Affirm's Collections team. Building a robust platform for managing delinquent users and ensuring system reliability.

Posted 7/22/2026contractRemote • 🇪🇸 SpainMid-LevelSenior💰 €57,000 - €87,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing, developing, and launching scalable backend systems using Python or Kotlin, while ensuring code quality through testing and reviews. Strong collaboration and communication skills are essential for engaging with team members and stakeholders effectively.

Highest-signal resume keywords
Backend System DevelopmentPython ProgrammingKotlin ProgrammingAWS FamiliarityMySQL Experience

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Backend System DesignCode TestingCode ReviewExtensible Code WritingLarge Code Base Navigation
Soft Skills
Verbal CommunicationWritten CommunicationCollaboration
Tools & Technologies
AWSMySQLKubernetes

Tech Stack

Tools & technologies
AWSKotlinKubernetesMySQLPython

About the role

Key responsibilities & impact
  • Work on tasks that contribute to the team's projects and goals
  • Participate in on-call rotation
  • Collaborate proactively with team and stakeholders
  • Balance speed and quality in work
  • Contribute to a sense of community through growth and development activities

Requirements

What you’ll need
  • Previous work or internship experience designing, developing and launching backend systems at scale
  • Experience using Python or Kotlin
  • Familiarity with AWS, MySQL and Kubernetes
  • Ability to write clear, well tested and extensible code
  • Comfortable navigating a large code base and providing feedback through code reviews
  • Strong verbal and written communication skills

Benefits

Comp & perks
  • 100% subsidized medical coverage, dental and vision for you and your dependents
  • Monthly stipends for health, wellness and tech spending
  • Flexible Spending Wallets for tech, food and lifestyle
  • Away Days - wellness days to take off work and recharge
  • Learning & Development programs
  • Parental benefits
  • Employee Resource & Community Groups
  • Creative tax benefits, subject to applicable law and company policy