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Job Description
Role:
Senior Java & .
NET Developer Location:
Oakland, CA (Hybrid) (1-2 days/week initially → more onsite during final testing month)
Contract:
4 Months (Aug-Nov)
Role Purpose:
This is a pure implementation role . Architecture is already completed by senior architects. The developer will execute , build integrations , and deliver features .
Core Responsibilities:
Development (50% Java/50% .NET) Build & enhance services using Java (Spring Boot) and .NET Core / .NET 6+ Develop REST APIs , microservices, backend components Implement integrations between Java ↔ .NET systems Integration & Data Flow Build system-to-system integrations Ensure smooth data exchange between heterogeneous systems Work with SQL/NoSQL data stores DevOps & Testing Support CI/CD pipelines Assist with deployments & release cycles Participate in integration testing & UAT Help with performance tuning during final testing phase
Required Skills:
Java Java 8+ Spring Boot Microservices REST APIs Hibernate/JPA .
NET .NET
Core / .
NET 6+ C
#, ASP.NET API development Backend services General 7-10+ years hands-on coding Strong understanding of system design SQL/NoSQL CI/CD, Docker AWS or Azure Preferred Hybrid Java + .NET experience Kafka or messaging systems Public sector/utilities domain