Senior Developer (Temp-to-Hire) – Maricopa County
Location: Phoenix, AZ (Hybrid – 201 W Jefferson St, Phoenix, AZ 85003)
Start Date: June 8, 2026
End Date: June 30, 2027
Type: Temp-to-Hire
Schedule: Full-time (40 hrs/week, 1st shift)
Position OverviewMaricopa County is seeking a highly skilled Senior Developer to provide advanced technical expertise in designing, developing, and maintaining enterprise-level applications supporting judicial operations.
This role requires a seasoned full-stack developer who can translate architectural designs into robust implementations, solve complex technical challenges, and mentor team members in a fast-paced Agile environment.
Key Responsibilities- Design, develop, test, and maintain enterprise applications and systems
- Translate architecture into scalable, efficient technical solutions
- Develop SSRS and Power BI reports of high complexity
- Support application deployment and production maintenance
- Troubleshoot and resolve application issues and system defects
- Collaborate with developers, DBAs, and business analysts
- Participate in Agile development processes and sprint activities
- Apply best practices in coding, testing, and deployment
- Mentor junior developers and conduct code reviews
- Contribute to system modernization and process improvements
Core Technical SkillsMust-Have- 5+ years of .NET Full-Stack Development
- Strong experience with:
- C#, ASP.NET MVC, Web API, ASP.NET Core
- Angular (v8+) & AngularJS (migration experience)
- SQL Server (stored procedures, performance tuning)
- Entity Framework, Dapper, AutoMapper
- REST API design and development
Preferred / Advanced Skills- Experience with modernization projects (AngularJS → Angular, .NET Framework → .NET Core)
- Docker & containerization (Dockerfile, Compose, Kubernetes/Azure Containers)
- Enterprise integration:
- IBM MQ (messaging)
- SOAP/WSDL services
- SignalR for real-time communication
- SSRS and Power BI reporting
- Knowledge of microservices architecture & API gateways
- Experience with AI-assisted coding tools / agentic workflows
- Background in government, court, or public sector systems
Technical Expertise- N-tier, layered, and microservices architecture
- Design patterns (Repository, Unit of Work, Dependency Injection)
- Authentication (JWT, SSO, API security)
- IIS and Windows Server deployments
- Source control (Git / TFVC)
- CI/CD pipelines and deployment automation
- Unit testing (xUnit, tSQLt)
Key Competencies- Strong analytical and problem-solving skills
- Ability to work independently on complex challenges
- Excellent collaboration and communication skills
- Capability to mentor and guide developers
- Ability to manage multiple priorities in a high-pressure environment
Experience & EducationExperience:
- Minimum 3+ years in software development
- At least 1+ year in .NET and web application development
- (5+ years preferred for senior-level candidates)
Education:
- Bachelor’s degree in Computer Science or related field (or equivalent experience)
Work Environment- Hybrid work model (onsite + remote flexibility)
- Collaboration with cross-functional teams
- May require extended periods of sitting and computer work
Additional Requirements- Background check required
- No drug screening
- No travel required