.Net Developer

TEKsystems • Walnut Creek, CA • 9h ago

We are currently seeking experienced full-stack developers with extensive technical expertise in C#/.NET and React to join our client's dynamic development team. This role involves developing software solutions encompassing on-premises, cloud, and hybrid infrastructures. This is an opportunity to gain experience with and potentially go permanent with an established, well-known, and stable company.

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.

ON PREMISES, HYBRID, AND CLOUD ENVIRONMENTS

Work with business applications across various environments, including on-premises, hybrid, and cloud systems.

Work with the infrastructure and cloud teams to ensure that application environments are stable, secure, and meet business performance expectations.

Support the transition of applications from on-premises environments to cloud or hybrid architectures, working closely with senior IT leadership on cloud migration strategies.

Ensure proper governance and performance monitoring for applications in all environments, proactively identifying areas for optimization.

RISK AND COMPLIANCE

Ensure that all business applications comply with industry regulations and internal security standards, including SOX, PCI-DSS, and other financial sector regulations.

Work with the cybersecurity team to ensure applications are secured against potential threats and vulnerabilities.

Develop and implement procedures for regular audits, risk assessments, and disaster recovery plans for critical applications.

Ensure that QA processes adhere to relevant industry standards and regulatory requirements (e.g., ISO, GDPR, HIPAA).

Develop and maintain test documentation, including test plans, test cases, test scripts, and test data management.

Implement processes to ensure traceability of test cases to requirements and automated defect tracking/reporting.

Top Skills Details

C#/NET

SQL

JavaScript

React

Job Type & Location

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

Pay and Benefits

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)

Workplace Type

This is a hybrid position in Walnut Creek,CA.

Application Deadline

This position is anticipated to close on Nov 7, 2025.

h4>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.

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