Senior Software Engineer
Location: Oakland
Category: Software Development
Employment Type: Contract
Work Location: Hybrid
Job ID: 36257
Date Added: 07/30/2026
Position Summary
Mainz Brady Group is seeking a Senior Backend Java Engineer to design, build, and support scalable, high-availability backend services in an enterprise environment. This role combines hands-on software development with technical leadership, architecture, mentoring, and production support. The ideal candidate has strong Java expertise, cloud-native experience on AWS, and a proven track record building distributed systems and RESTful APIs.
Key Responsibilities
- Design, develop, and maintain scalable backend applications and REST APIs using Java.
- Lead architecture discussions, technical design reviews, and root cause analysis.
- Build and support distributed, event-driven systems using Kafka, SQS, or similar messaging technologies.
- Develop cloud-native applications leveraging AWS services such as S3, DynamoDB, SNS, and SQS.
- Implement CI/CD pipelines using Git, Jenkins, Docker, and related DevOps tools.
- Monitor production systems using Datadog or similar observability platforms and participate in on-call support.
- Mentor engineers and promote engineering best practices, code quality, and Agile development.
- Bachelor’s degree or equivalent experience.
- 5+ years of backend Java development experience in production environments.
- Strong experience building RESTful APIs and distributed backend services.
- Experience with AWS, Kafka (or similar messaging platforms), Docker, Jenkins, and Git.
- Strong knowledge of relational databases, NoSQL databases, caching, concurrency, and multithreading.
- Solid understanding of data structures, algorithms, design patterns, and Agile methodologies.
- Excellent troubleshooting, communication, and collaboration skills.
Mainz Brady Group is a technology staffing firm with offices in California, Oregon and Washington. We specialize in Information Technology and Engineering placements on a Contract, Contract-to-hire and Direct Hire basis. Mainz Brady Group is the recipient of multiple annual Excellence Awards from the Techserve Alliance, the leading association for IT and engineering staffing firms in the U.S.
Mainz Brady Group is an Equal Opportunity Employer. We are committed to Diversity & Inclusion and incorporate non-discrimination best practices in all of our staffing processes. Mainz Brady Group does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, gender expression, age, disability or any other protected class.
