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

Caltek Staffing

  • San Diego, CA
  • 30+ days ago
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    Skills

    • AWS Lambdaunmatched
    • Amazon Web Services (AWS)unmatched
    • Application Programming Interface (API)unmatched
    • Best Practicesunmatched
    • Cloud Applicationsunmatched
    • Cloud Computingunmatched
    • Code Reviewsunmatched
    • Communication Skillsunmatched
    • Continuous Improvementunmatched
    • Cross-Functionalunmatched
    • Customer Relationsunmatched
    • Data Setsunmatched
    • Establish Prioritiesunmatched
    • GitHubunmatched
    • GraphQLunmatched
    • Identify Issuesunmatched
    • JavaScriptunmatched
    • Microservicesunmatched
    • Microsoft .NETunmatched
    • Microsoft C# (C Sharp)unmatched
    • Performance Tuning/Optimizationunmatched
    • Problem Solving Skillsunmatched
    • Query Optimizationunmatched
    • REST (Representational State Transfer)unmatched
    • React.jsunmatched
    • SQL (Structured Query Language)unmatched
    • Scalable System Developmentunmatched
    • Software Engineeringunmatched
    • Software as a Service (SaaS)unmatched
    • Team Buildingunmatched
    • Team Playerunmatched
    • Time Managementunmatched

    Description

    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.

    Numbers & Facts

    LocationSan Diego, CA

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