Staff Software Engineer, Backend (Identity International)

Affirmsenior

In short

→Ingeniero de software backend de alto impacto en identidad global, clave para expansión internacional.
→Diseñas estrategia técnica, lideras arquitectura y operaciones de sistemas críticos con alta disponibilidad.
→Tienes autonomía para influir en la evolución de plataformas globales con foco en cumplimiento y aprobación de clientes.

Strong verbal and written communication skills that support effective collaboration with o

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What they ask for

✓8+ años de experiencia en sistemas backend escalables con Python o Kotlin.
✓Experiencia comprobada con sistemas distribuidos altamente disponibles en AWS, MySQL, Spark y Kubernetes.
✓Capacidad para definir y ejecutar planes técnicos de grandes funcionalidades o descontinuaciones.
✓Habilidad para operar en ambigüedad y liderar desde código hasta arquitectura.
✓Comunicación verbal y escrita sólida para colaborar con equipos globales.
✓Capacidad de desarrollar talento y promover cultura de calidad en equipos.

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

PythonKotlinAWSMySQLSparkKubernetesdistributed systemsbackend systemstechnical strategyKYC Verification

Who should you write to at Affirm?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Identity at Affirm is mission-critical; it is the very first step of the customer journey and the foundation of global expansion. The International Expansion Unit (IEU) owns Identity for every market outside North America, placing our team at the center of Affirm’s global strategy. We are responsible for ensuring Affirm can enter and scale in new markets while operating compliantly across diverse regulatory environments. Our scope includes building and expanding Identity Data Management, KYC Verification, and Decisioning capabilities, while driving architectural changes that impact Identity services globally. We don’t just execute; we influence the core platform’s evolution to support new risk models and market dynamics. Operating at the intersection of technical depth and regulatory complexity, we directly impact approval rates, conversion, and fraud exposure. By joining this team, you will shape the foundational processes that unlock revenue and build customer trust on a global scale. What You'll Do · You will be responsible for setting technical strategy for your team on a year-long time scale, and help your team tie it together with critical, business-impacting projects. · You will collaborate across teams in the product development lifecycle by collaborating with product management, design & analytics to ensure technical sustainability, risks and trade-offs are well understood and managed. · You will act as a force-multiplier for your team through your definition and advocacy of technical solutions and operational processes. · You take ownership of your team’s operations and availability by ensuring you have the right monitoring, triage rotations, playbooks, polcities, testing and alerting in place to support “keep the lights on” & on-call efforts. · You will foster a culture of quality and ownership on your team by setting code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks. · You will help develop talent on your team by providing feedback and guidance, and leading by example. What We Look For · You have 8+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin. · You have an extensive track record of developing highly available distributed systems using technologies like AWS, MySQL, Spark and Kubernetes. · You have experience delivering major features, system components or deprecating existing functionality in a system through the definition of a technical and execution plan. You write high quality code that is easily understood and used by others. · You thrive in ambiguity, and are comfortable moving from low level language idioms all the way to the architecture of large systems to understand how they work. · Your growth and impact trajectory demonstrates that you have mastered gathering and iterating on feedback from your engineering and cross-functional peers. · You have strong verbal and written communication skills that support effective collaboration with our global engineering team. Pay Grade - P Equity Grade - 7 Employees new to Affirm typically come in at the start of the pay range. Affirm 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 monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). In additio

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