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Full Stack Developer (C# /.NET / React)
Full Stack Developer (C# /.NET / React)CalTek Staffing, Inc. • San Diego, CA, United States
Full Stack Developer (C# /.NET / React)

Full Stack Developer (C# /.NET / React)

CalTek Staffing, Inc. • San Diego, CA, United States
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  • [job_card.full_time]
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Full Stack Developer (C# / .NET / React)

Location: San Diego, CA (Hybrid - 2 days onsite)
Compensation: $110,000 - $120,000 + bonus + benefits

About the Role

We are seeking a skilled Full Stack Developer to join a collaborative, high-performing engineering team building modern, scalable applications on AWS.

In this role, you'll design, develop, and maintain full-stack solutions that power both internal systems and customer-facing platforms. You'll work in an environment that values clean code, strong architecture, and continuous improvement.

This is an excellent opportunity for someone who thrives in a fast-moving, agile environment and enjoys solving real-world problems with scalable technology.

Key Responsibilities
  • Design, develop, and maintain full-stack applications using modern technologies
  • Build responsive, user-friendly interfaces using React / Next.js and TypeScript
  • Develop robust backend services using C# and .NET (6+)
  • Write clean, scalable, and well-tested code following best practices
  • Optimize and troubleshoot SQL queries across complex datasets
  • Design and integrate REST and/or GraphQL APIs
  • Participate in code reviews and contribute to engineering standards
  • Collaborate with cross-functional teams on architecture and technical decisions
  • Prioritize and manage tasks to meet project deadlines
  • Continuously evaluate and adopt new technologies to improve systems
• Required Qualifications
  • 3+ years of experience in full stack development
  • Strong proficiency in:
    • C# / .NET (6+)
    • React or Next.js
    • TypeScript / JavaScript
    • SQL (query optimization, performance tuning)
  • Experience working with RESTful or GraphQL APIs
  • Familiarity with GitHub and modern development workflows
  • Strong problem-solving and communication skills
  • Ability to work independently in a hybrid/remote environment
  • Must be authorized to work in the U.S. (no sponsorship available)
• Preferred Qualifications
  • Experience building or supporting SaaS platforms
  • Exposure to AWS cloud services, especially serverless:
    • AWS Lambda
    • DynamoDB
    • Step Functions
  • Familiarity with microservices or event-driven architecture
  • AWS Certification (Solutions Architect - Associate or higher)
  • Experience in the retail energy industry (a plus, not required)
Why Join Us?
  • Work on modern, cloud-native applications with real-world impact
  • Collaborative team that values ownership, quality, and innovation
  • Opportunity to grow your skills with cutting-edge technologies
  • Fast-paced environment where your contributions matter
Work Environment
  • Hybrid schedule: 2 days onsite in San Diego, CA
  • Flexible, results-driven culture

Apply Today

If you're a driven Full Stack Developer looking to build scalable systems and grow your career, we'd love to hear from you.
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Full Stack Developer (C# /.NET / React) • San Diego, CA, United States

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