Freelance Full Stack Developer Node Js Jobs in Sunnyvale, CA

Job Overview: Pay Range: $55hr - $60hr Requirement/Must Have: Bachelor's or Master's degree in Computer Science or related field. 5+ years of experience in Full Stack Software Development. Strong programming experience in Python. Experience with React, Angular, or Vue.js. Hands-on experience with FastAPI, Flask, or Django. Strong understanding of HTML5, CSS3, JavaScript, and TypeScript. Experience developing RESTful APIs and microservices. Experience with SQL databases (PostgreSQL, MySQL, SQL Server) and NoSQL databases. Experience with Git, Docker, Kubernetes, and CI/CD tools. Good understanding of software architecture, design patterns, and Agile methodologies. Excellent communication and problem-solving skills. Responsibilities: Design, develop, test, and maintain scalable full-stack web applications. Develop responsive user interfaces using React, Angular, or similar frontend frameworks. Build backend services and RESTful APIs using Python (FastAPI, Flask, or Django). Collaborate with product managers, architects, and cross-functional teams to deliver high-quality software solutions. Develop reusable components and ensure application performance, scalability, and security. Design and optimize SQL and NoSQL databases. Participate in system design, code reviews, testing, and deployment activities. Implement CI/CD pipelines and follow Agile software development practices. Integrate AI/LLM capabilities into existing applications where applicable. Troubleshoot production issues and provide ongoing application support. Nice to Have: Experience integrating AI/LLM services such as OpenAI, Azure OpenAI, or Gemini APIs. Knowledge of LangChain or similar AI frameworks. Familiarity with cloud platforms (Azure or AWS). Experience with containerized deployments and cloud-native applications. Semiconductor or manufacturing domain experience is a plus. Skills: Full Stack Development. Python. React / Angular / Vue.js. FastAPI / Flask / Django. HTML5, CSS3, JavaScript, TypeScript. REST APIs & Microservices. SQL & NoSQL Databases. Git. Docker. Kubernetes. CI/CD. AI/LLM Integration (preferred). Agile Development. Benefits Our Benefits Include: Medical, Dental, and Vision Insurance 401(k) Retirement Plan Health Savings Account (HSA) Disability Insurance (Short-Term and Long-Term) Life and AD&D Insurance Paid Sick Leave (where required by applicable state or local law) Supplemental Insurance Plans Identity Theft Protection Pet Insurance Employee Wellness Programs Employee Assistance Program (EAP) Career Growth and Professional Development Opportunities Disclaimer: Benefits eligibility, accrual rates, and usage limits may vary based on employment status, length of service, and work location. Paid Sick Leave is provided in strict accordance with applicable state and municipal mandates. Cynet Systems Inc. reserves the right to modify, amend, or terminate any benefit plans at any time in accordance with applicable laws. About Cynet Systems Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading technology staffing and workforce solutions company serving Fortune 500 companies, government agencies, and enterprise organizations across the United States and Canada. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia. As a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. Our organization is certified to ISO 9001, ISO 14001, ISO 27001, and SOC 2 Type II standards, reflecting our commitment to quality, security, operational excellence, and customer success.