Senior Software Engineer

TEKsystems has a hybrid-onsite position available with a client in Walnut Creek, CA seeking a Senior Software Engineer with expertise in Azure to join their dynamic development team. This role involves designing, developing, and maintaining software solutions in a hybrid development environment, encompassing on-premises, cloud, and hybrid infrastructures. The ideal candidate should have strong experience with C#, .NET, and React, along with a deep understanding of core Azure services on the business applications side.

Essential Responsibilities

• Design, develop, and maintain software solutions using C#, .NET, and React in on-premise, cloud, and hybrid environments.
• Collaborate with product managers, architects, and other developers to gather and translate business requirements into technical specifications.
• Contribute to the architectural design of systems, ensuring scalability, performance, security, and maintainability.
• Build APIs, microservices, and front-end components for web applications, ensuring seamless integration between front-end and back-end services.
• Work with cloud services and platforms (e.g., Azure, AWS) to design and deploy solutions in hybrid and cloud-native environments.
• Implement best practices for DevOps and CI/CD pipelines, ensuring smooth and automated deployments across environments.
• Troubleshoot and resolve issues related to application performance, security, and availability across different environments.
• Participate in code reviews, providing constructive feedback to peers and ensuring high code quality and adherence to coding standards.
• Stay up to date with new technology trends and frameworks, particularly in cloud and hybrid development, and incorporate them into development practices.

Top Skills Details

• Minimum 10 years of experience with strong hands-on skills in C# and .NET Core required
• Experience with React or other modern JavaScript frameworks for front end development
• Deep expertise with Azure.
• Experience with DevOps practices, including CI/CD pipelines, containerization (e.g. Docker, Kubernetes), and automated deployments required
• Experience with version control systems (e.g. Git) and agile development methodologies (e.g. Scrum, Kanban) required
• Experience with microservices architecture and building scalable APIs and distributed systems required
• Good experience with SQL

This is a Contract to Hire position based out of Walnut Creek, CA.

The pay range for this position is $58.00 - $77.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a hybrid position in Walnut Creek,CA.

This position is anticipated to close on Jul 10, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.