Senior Backend Engineer

About the role

Pleo is looking for a Senior Backend Engineer to join the Data Serving team, responsible for the production-grade boundary between raw product data and its consumers. You will build and own APIs and low-latency serving layers, ensuring contract stability and performance for internal teams and customers. This role requires a hands-on engineer to design scalable infrastructure and bridge the gap between data systems and product backend services.

Responsibilities

• Build and own the Data API boundary, delivering clean, versioned, and performant endpoints.
• Design and optimise read models, indexes, and caching strategies in Postgres to guarantee low-latency performance.
• Build reliable integrations with Kotlin-based product backend services.
• Own the reliability, performance, monitoring, and incident response for the services you build.
• Partner with Data Engineers to define clean contracts between ingestion layers and serving databases.
• Partner with the Authorization team to secure APIs using industry-standard protocols.
• Build a near-real-time data aggregation service to unify data across services.
• Design metadata, lineage, and governance capabilities to ensure the serving layer is auditable and trustworthy.

Required skills

• Backend engineering
• API design
• Kotlin
• JVM
• SQL
• Kafka
• PostgreSQL
• Kubernetes
• AWS
• GCP

Nice to have

• Fintech experience
• Payments industry experience
• OLAP systems

Benefits

• Pleo card
• Lunch allowance
• Private healthcare
• 25 days annual leave
• Mental health support
• Paid parental leave

About the Company

Pleo builds spend solutions that make managing money seamless and effective for finance teams and employees. With over 850 people from more than 100 nationalities, the company is committed to delivering the future of business spending.