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Backend Software Engineer (Python / SQL)

Wiraa
11 hours ago
Full-time
Remote
United States
Engineer
About The Company

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 mission is to create a seamless financial experience that empowers consumers and merchants alike. We leverage innovative technology and a customer-centric approach to simplify credit and payment solutions, fostering trust and transparency in every interaction. As a leader in the financial technology space, we are committed to building products that are reliable, scalable, and accessible, ensuring that financial inclusion is at the forefront of our efforts.

About The Role

The Trust and Safety Foundations team within Checkout Engineering at Affi is responsible for building and maintaining the foundational systems and data capabilities that enable the company to assess consumer risk accurately and meet its credit reporting obligations. This critical infrastructure intersects with data quality, system reliability, regulatory compliance, and risk management, serving as the backbone for operational accuracy and scalability. As a Staff Software Engineer in this team, you will play a pivotal role in shaping the technical strategy, leading complex initiatives, and ensuring the robustness of our systems. Your expertise will help transform ambiguous challenges into clear, actionable solutions, and your leadership will influence both project execution and team development. This role demands a high level of technical judgment, ownership, and the ability to navigate complex, high-impact domains effectively.

Qualifications

  • 8+ years of experience designing, developing, and deploying backend systems at scale.
  • Proficiency in programming languages such as Python or Kotlin.
  • Extensive experience with distributed systems architecture and implementation.
  • Hands-on experience with cloud services like AWS, and familiarity with technologies such as MySQL, Spark, and Kubernetes.
  • Proven track record of delivering major system features, components, or deprecating functionalities with a clear technical and execution plan.
  • Strong understanding of system reliability, high availability, and operational best practices.
  • Excellent communication skills, capable of collaborating effectively across global teams.
  • Ability to thrive in ambiguous environments and adapt to evolving technical landscapes.
  • Degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Responsibilities

  • Define and execute the technical strategy for the team on a long-term basis, aligning with business goals.
  • Collaborate with cross-functional teams—including product management, design, and analytics—to ensure technical solutions are sustainable, risk-aware, and aligned with product objectives.
  • Lead the design and implementation of scalable, reliable backend systems that support trust and safety initiatives.
  • Establish and promote best practices for code quality, system design, and operational excellence through code reviews, documentation, and technical talks.
  • Develop and maintain monitoring, alerting, and incident response processes to ensure system stability and availability.
  • Mentor and develop engineering talent within the team, fostering a culture of ownership, quality, and continuous improvement.
  • Manage operational aspects of systems, including triage, incident management, and process improvements to support "keep the lights on" efforts.
  • Translate complex, ambiguous problems into clear technical plans, guiding projects from conception through deployment.

Benefits

  • 100% health coverage premiums for employees and their dependents.
  • Monthly stipends to support your tech setup and wellness needs.
  • Flexible time off policies and a generous holiday calendar to promote work-life balance.
  • Participation in the employee stock purchase plan (ESPP) with discounted stock options.
  • Remote-first work environment with flexibility to work from almost anywhere within the country.
  • Inclusive onboarding and ongoing support for all employees, including accommodations for candidates with disabilities.

Equal Opportunity

Affirm is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, disability, or any other legally protected status. We are dedicated to providing fair and equitable hiring practices and fostering a workplace where everyone can thrive.