Senior Backend Software Engineer

Description

Onsite in either Glendale, CA or San Francisco, CA

Our client seeks a senior backend software engineer to build and optimize high-throughput, low-latency microservices for a digital advertising platform. The role requires strong Java expertise, distributed systems experience in AWS, and hands‑on work with Kafka, Dynamo

DB or Redis, and container orchestration. You will design scalable services, ensure reliable integrations, and contribute to code quality and operational excellence in a fast‑paced environment.

Due to client requirements, applicants must be willing and able to work on a W2 basis. For our W2 consultants, we offer a great benefits package that includes medical, dental, and vision benefits, 401(k) with company matching, and life insurance.

Rate: $75.00 to $90.00/hr w2

• Write and review production‑quality Java code and automated tests.
• Participate in a rotating on‑call support schedule.
• Translate product requirements into technical tasks and lead execution.
• Design, document, and review systems in a high‑throughput, low‑latency microservices environment.

• 7+ years of backend software engineering experience building scalable systems.
• Advanced proficiency in Java, including heap, multithreading, performance profiling, and tuning.
• Hands‑on experience with Spring Boot and related Spring frameworks.
• Experience with distributed microservices on AWS.
• Proficiency with Apache Kafka and/or Kinesis.
• Experience with non‑relational databases such as Dynamo
  
  DB.
• Experience with Redis and/or Memcached.
• Experience with Terraform, Docker, and Kubernetes.
• Strong communication skills and cross‑team collaboration.
• Ability to own deliverables and define metrics for system health.
• Solid understanding of system design and engineering best practices.
• Ability to identify optimizations and improvements.
• Experience mentoring and working in a fast‑moving environment.