Senior Software Engineer, Backend (Fraud)

TL;DR

Senior Backend Engineer (Fraud): Building backend services and APIs for fraud prevention within hirify.global's microservice and event-driven architecture with an accent on scalability and collaboration across multiple teams. Focus on improving system reliability, team efficiency, and maintaining high observability standards.

Location: Remote Spain

Salary: €85,000 - €115,000

Company

hirify.global 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.

What you will do

• Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
• Design and implement backend services and APIs using Python or Kotlin, operating within hirify.global’s microservice and event-driven architecture.
• Take an active role in shaping the team’s roadmap, collaborating on technical design, and driving execution across projects that span multiple teams.
• Partner with stakeholders in Fraud Ops, Compliance, Product, Machine Learning, and Analytics to build scalable fraud tooling and infrastructure.
• Improve system reliability, team efficiency, or architecture and lead efforts to address them.
• Contribute to operational excellence by maintaining high observability standards, responding to incidents, and participating in the on-call rotation.

Requirements

• 5+ years of experience building backend systems at scale using Python or Kotlin.
• Experience with distributed systems and infrastructure using AWS, MySQL/PostgreSQL, and Kubernetes.
• Strong system design skills and a track record of delivering maintainable, extensible services.
• Proficiency in SQL and working with data-rich environments.
• Familiarity with CI/CD practices and safe production deployments.
• Strong written and verbal communication skills, especially in distributed teams.

Nice to have

• Experience with Snowflake, dbt, Airflow, or Chronosphere
• Background in fraud prevention, risk systems, or post-transaction tooling.
• Experience working in the fintech sector or other highly regulated environments, with a strong understanding of risk, compliance, and operational constraints.

Culture & Benefits

• 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