Senior Backend Engineer

🕒 December 19, 2025

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Oscilar

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2021

💳 Fintech

🏦 Banking

📋 Compliance

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.

📋 Description

• Design and develop scalable, high-performance, low-latency backend services using Java and AWS technologies. • Collaborate with the product management, frontend, and QA teams to define technical requirements and ensure smooth integration with other components of the platform. • Optimize and enhance existing services to achieve maximum performance, reliability, and maintainability. • Identify and resolve bottlenecks in the system, ensuring optimal resource utilization and system stability • Implement best practices for code quality, testing, and deployment, including continuous integration and continuous deployment (CI/CD) pipelines. • Proactively monitor the health and performance of backend services, taking necessary actions to mitigate potential issues. • Provide technical guidance and mentorship to junior team members.

🎯 Requirements

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field. • 5+ years of experience in backend software development, with a focus on Java and AWS technologies. • Strong experience in building and operating low latency, high scale services in a distributed environment. • Proficient in Java programming, with a deep understanding of its ecosystem and related frameworks. • Knowledge of microservices architecture, containerization technologies (Docker, Kubernetes), and distributed data systems (Kafka, Clickhouse). • Familiarity with RESTful API design, and a strong understanding of security best practices. • Experience with CI/CD tools (Jenkins, Git, Maven, Gradle) and agile development methodologies. • Excellent problem-solving skills, attention to detail, and a strong ability to work independently or as part of a team. • Strong communication skills, both written and verbal.

🏖️ 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.