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Oscilar

Senior Backend Engineer – Java

Oscilar

. Design and develop scalable, high-performance, low-latency backend services using Java and AWS technologies .

Posted 9/25/2026full-timeRemote • IndiaSenior💰 ₹6,621,800 - ₹9,656,800 per yearWebsite

Tech Stack

Tools & technologies
AWSDockerDynamoDBEC2GradleJavaJenkinsKafkaKubernetesMavenMicroservices

About the role

Key responsibilities & impact
  • Design and develop scalable, high-performance, low-latency backend services using Java and AWS technologies
  • Collaborate with product management, frontend, and QA teams to define technical requirements and ensure smooth platform integration
  • Optimize and enhance existing services for performance, reliability, and maintainability
  • Identify and resolve system bottlenecks and ensure optimal resource utilization and stability
  • Implement code quality, testing, deployment, CI/CD, and agile development best practices
  • Monitor backend service health and performance and mitigate potential issues
  • Provide technical guidance and mentorship to junior team members
  • Build and maintain core infrastructure powering Oscilar's SaaS platform for fraud, credit, and compliance risk decisioning

Requirements

What you’ll need
  • 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, Docker, Kubernetes, Kafka, and ClickHouse
  • Familiarity with RESTful API design and security best practices
  • Experience with CI/CD tools: Jenkins, Git, Maven, and Gradle
  • Experience with agile development methodologies
  • Excellent problem-solving skills and attention to detail
  • Ability to work independently or as part of a team
  • Strong written and verbal communication skills
  • 8+ years of Backend experience with Java in large-scale, distributed environments
  • Strong experience with AWS services such as MSK, EC2, RDS, DynamoDB, S3, and Lambda
  • Solid understanding of distributed system design, messaging patterns, and eventual consistency
  • Legally authorized in the country of the position

Benefits

Comp & perks
  • Competitive salary and equity packages, including a 401k
  • Remote-first culture — work from anywhere
  • 100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US)
  • Unlimited PTO policy
  • AI First company; both Co-Founders are engineers at heart; and over 50% of the company is Engineering and Product
  • Family-Friendly environment
  • Regular team events and offsites
  • Unparalleled learning and professional development opportunities
  • Impact: Making the internet safer by protecting online transactions