Senior Backend Engineer – Java, Kafka

November 14

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Oscilar

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Fintech • Banking • Compliance

Oscilar is a risk management platform that focuses on fraud defense, credit underwriting, onboarding risk, and AML compliance for financial institutions. Through its advanced AI Risk Decisioning™, Oscilar enables organizations to make faster and more intelligent risk decisions, monitor customer journeys, and ensure regulatory compliance seamlessly. Oscilar's platform provides comprehensive analytics and proactive detection capabilities, tailored to meet the unique risk needs of banks, fintechs, and credit unions.

51 - 200 employees

Founded 2021

💳 Fintech

🏦 Banking

📋 Compliance

📋 Description

• Design, develop, and maintain scalable backend services using Java and AWS technologies. • Lead the architecture, deployment, and optimization of Apache Kafka to support real-time data streaming across distributed systems. • Build and manage Kafka topics, brokers, producers, and consumers, ensuring optimal performance and data consistency. • Implement streaming solutions with Kafka Streams and Kafka Connect, focusing on high availability and low-latency processing. • Collaborate with product, frontend, and data engineering teams to define technical requirements and deliver reliable, performant services. • Design and maintain high-performance data storage solutions using Postgres, Redis, ClickHouse, and DynamoDB. • Optimize database performance through schema design, indexing strategies, and resource partitioning. • Implement best practices for infrastructure security, performance monitoring, and data integrity. • Establish and maintain CI/CD pipelines for automated testing, deployment, and monitoring. • Provide mentorship to junior engineers, conduct code reviews, and promote best practices in software development. • Proactively identify and resolve performance bottlenecks and technical challenges in both streaming and database systems.

🎯 Requirements

• Backend Development: 8+ years of experience with Java in large-scale, distributed environments. • Kafka Mastery: Extensive experience with Apache Kafka, including Kafka Streams, Kafka Connect, partitioning, replication, and consumer group management. • Cloud Infrastructure: Strong experience with AWS services (e.g., MSK, EC2, RDS, DynamoDB, S3, Lambda). • Distributed Systems: Solid understanding of distributed system design, messaging patterns, and eventual consistency. • Performance Optimization: Proven ability to diagnose and resolve bottlenecks in streaming and database systems.

🏖️ Benefits

• Mission-driven teams: Work alongside industry veterans from Meta, Uber, Citi, and Confluent, all united by a shared goal to make the digital world safer. • Ownership and impact: We believe in extreme ownership. You'll be empowered to take responsibility, move fast, and make decisions that drive our mission forward. • Innovate at the cutting edge: Your work will shape how modern finance detects fraud and manages risk.