Sr./Staff Backend Engineer - Java (India)

The role

You will own critical parts of the platform used by banks and fintechs for real-time fraud, credit, and compliance decisions. You will build and scale Java services and work on real-time streaming and data systems.

What you will do

• Own features end to end from design to production
• Build and scale Java services at the core of the decisioning platform
• Work on real-time streaming and data systems
• Build reliable processes with workflow orchestration
• Propose architecture, weigh trade-offs, and write design docs
• Work with product, frontend, and customer-facing teams
• Own production including monitoring, performance tuning, and fixing root causes
• Raise the engineering bar through code reviews and knowledge sharing

Required qualifications

• 5+ years of backend development
• Deep expertise in Java and its ecosystem
• Track record of taking work from initial concept to production
• Experience building and operating low-latency, high-scale distributed systems in production
• Hands-on experience with AWS, microservices, and containers (Docker, Kubernetes)
• Experience with event streaming and data systems such as Kafka, ClickHouse, PostgreSQL, and Redis
• Good understanding of API design and security best practices
• Strong written and verbal communication skills

Nice to have

• Experience with Flink, Temporal, or Databricks
• Experience in fintech, fraud prevention, risk, or payments
• A degree in Computer Science, Software Engineering, or a related field
• Experience using AI coding agents (e.g. Claude Code) in day-to-day development

Benefits

• Remote-first culture
• AI-first company
• Family-friendly environment
• Regular team events and offsites
• Unparalleled learning and professional development opportunities
• Latest MacBook or a Linux machine

About the company

Oscilar is building an AI Risk Decisioning Platform used by banks, fintechs, and digitally native organizations to manage fraud, credit, and compliance risk.