Oscilar · 3 weeks ago
Sr./Staff Backend Engineer - Kafka
United States
Full-time
Remote
Senior Level, Lead/Staff
8+ years expOscilar is building the most advanced AI Risk Decisioning™ Platform, aiming to make the digital world safer. The Senior/Staff Backend Engineer will design, implement, and optimize backend services using Apache Kafka and AWS, while mentoring engineers and ensuring the performance and reliability of the backend systems.
Cyber SecurityOperating SystemsSecurity
Responsibilities
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
Qualification
Required
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
Preferred
Experience integrating Kafka with analytics solutions like ClickHouse
Knowledge of event-driven architecture and streaming patterns like CQRS and event sourcing
Hands-on experience with monitoring tools (e.g., Prometheus, Grafana, Kafka Manager)
Experience automating infrastructure with tools like Terraform or CloudFormation
Proficiency with Postgres, Redis, ClickHouse, and DynamoDB. Experience with data modeling, query optimization, and high-transaction databases
Familiarity with encryption, role-based access control, and secure API development
Benefits
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
Home office setup assistance
Making the internet safer by protecting online transactions
Company
Oscilar
The smartest way to make risk decisions.
51-200 employees
H1B Sponsorship
Oscilar has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (9)
2024 (3)
2023 (2)
2022 (1)
Funding
Current Stage
Growth StageTotal Funding
$20M2021-07-05Series A· $20M
Leadership Team
Neha Narkhede
Co-Founder & CEO
Recent News
MarketScreener
2025-12-12
2025-12-11
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