Senior Backend Engineer, Fraud Platform (Remote/Hybrid)

Bvnk Ltd; United States; Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Flexible working hours

Hybrid working

Travel opportunities

Open and creative environment

Job summary

BVNK is seeking a Senior Software Engineer (Backend) to build a fraud prevention platform at scale. You will design secure backend services, implement real-time risk decisions, and ingest diverse signals for a full risk profile. Collaborate with Fraud Operations, Financial Crime, Data, and Product to ship end-to-end features.

You will own production services, improve reliability, and drive architecture decisions in a fast-moving environment where you build from scratch and mentor others.

Qualifications

• Backend production systems experience.
• Experience with microservices and event-driven architectures.
• Low-latency, high-integrity systems.
• Experience with third-party APIs and webhooks.
• Cloud platforms and CI/CD pipelines (AWS).
• Security-conscious coding in regulated environments.
• Strong ownership and stakeholder communication.
• AI tools and AI-assisted workflows in delivery.

Responsibilities

• Fraud platform development: Design, build and maintain secure, scalable backend services and APIs that power fraud detection, risk decisioning and controls.
• Real-time decisioning: Build low-latency services that assess risk and approve, decline or challenge activity in real time, including card authorisations and payments.
• Signal and data enrichment: Ingest and enrich device, session, behavioural and transaction data, and integrate with third-party fraud and risk providers.
• Controls and friction: Build risk-based controls such as limits, velocity checks, blocks and step-up challenges (e.g. MFA or liveness).
• Monitoring and alerting: Deliver data pipelines, metrics and alerting to measure fraud and respond to patterns.
• ML and AI enablement: Work with data and ML teams to productionize models and AI workflows.
• Cross-domain collaboration: Work with Fraud Operations, Financial Crime, Cards, Payments and Data teams end-to-end.
• Technical leadership: Contribute to architecture, review code and mentor engineers.
• Operational excellence: Own services in production, including monitoring and incident response.

Skills

Backend expertise

Distributed systems

Real-time systems

Data-driven analytics

API integration

Cloud/DevOps

Security practices

Ownership & communication

AI-native mindset

Tools

Java

Spring Boot

Kafka

AWS

Job description

BVNK is seeking a Senior Software Engineer (Backend) to build a fraud prevention platform at scale. You will design secure backend services, implement real-time risk decisions, and ingest diverse signals for a full risk profile. Collaborate with Fraud Operations, Financial Crime, Data, and Product to ship end-to-end features.

You will own production services, improve reliability, and drive architecture decisions in a fast-moving environment where you build from scratch and mentor others.