Software Engineer I, Backend – Collections

Affirm

Software Engineer I, Backend (Collections) developing robust platform solutions for credit management at Affirm. Collaborating on projects to enhance the reliability of engineering systems.

Posted 7/22/2026contractRemote • 🇵🇱 PolandMid-LevelSenior💰 PLN 203,000 - PLN 303,000 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 and effective collaboration with team members and stakeholders.

Highest-signal resume keywords

Backend System DevelopmentPython ProgrammingKotlin ProgrammingAWS TechnologiesMySQL Database Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend System DesignCode TestingDebuggingCode ReviewDistributed Systems

Soft Skills

Verbal CommunicationWritten CommunicationCollaboration

Tools & Technologies

AWSMySQLKubernetes

Tech Stack

Tools & technologies

AWSDistributed SystemsKotlinKubernetesMySQLPython

About the role

Key responsibilities & impact

Work on tasks that contribute to the team's projects and goals
Collaborate with your team and stakeholders to create visibility and dialog regarding work risks and trade-offs
Ensure speed and quality in your work to hit business goals while protecting from downtime
Engage in growth and development activities to build a sense of community

Requirements

What you’ll need

Previous work or internship experience designing, developing and launching backend systems at scale
Experienced using one of Python or Kotlin
Familiar with distributed systems and technologies like AWS, MySQL and Kubernetes
Strong ability to write clear, easily understood, well tested and extensible code
Comfortable debugging and providing feedback through code reviews
Strong verbal and written communication skills for effective collaboration

Benefits

Comp & perks

100% subsidized medical coverage, dental and vision for you and your dependents
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