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Mid Frontend Developer Jobs in California (NOW HIRING)

Clera

AI Engineer (Mid-Level)

San Francisco, CA · On-site

About the Role This is a mid-level AI Engineer role on the core product team, focused on building ... frontend and backend code, and operating production systems with CI/CD, monitoring, and testing.

Clera

AI Engineer (Mid-Level)

San Francisco, CA · On-site

About the Role This is a mid-level AI Engineer role on the core product team, focused on building ... frontend and backend code, and operating production systems with CI/CD, monitoring, and testing.

Collabera

Web Applications Developer

Sunnyvale, CA · On-site

... mid-size companies to meet their talent needs with high quality IT resources through Staff ... Skills: 4+ years of experience encompassing all aspects of dynamic front end web development Strong ...

Clera

AI Engineer (Mid-Level)

San Francisco, CA · On-site

$180K - $400K/yr

As a mid-level AI Engineer on the core product team, you'll own production LLM-based services end ... frontend and backend code, and operating production systems with CI/CD, monitoring, and testing.

Clera

AI Engineer (Mid-Level)

San Francisco, CA · On-site

$180K - $400K/yr

As a mid-level AI Engineer on the core product team, you'll own production LLM-based services end ... frontend and backend code, and operating production systems with CI/CD, monitoring, and testing.

Xe Careers

Full Stack Software Engineer (Mid)

Irvine, CA · On-site

$90K - $134K/yr

About This Role We're hiring a mid-level full-stack engineer who likes owning real problems end-to-end, from API design and frontend experience through to backend services, production reliability ...

Redolent, Inc.

Backend Engineer

San Bruno, CA · On-site

Looking for a Mid to Senior level JavaScript developer with expetise in JavaScript, NodeJS, Kafka ... Front End Experience with proven experience with React JS or equivalent, Node.js and Javascript ...

RainesDev

Founding Backend Engineer

San Francisco, CA · On-site

Collaborate with frontend engineers to design and implement RESTful APIs and shared API client ... Job Requirements Seniority * 4+ years of experience Python backend development experience--mid to ...

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All JobsMid Frontend Developer JobsMid Frontend Developer Jobs in California

Mid Frontend Developer information

What is the difference between Mid Frontend Developer vs Junior Frontend Developer?

AspectMid Frontend DeveloperJunior Frontend Developer
Experience2-4 years0-1 year
SkillsProficient in HTML, CSS, JavaScript, frameworks like React or Angular, and basic version controlBasic knowledge of HTML, CSS, JavaScript, and some frameworks
ResponsibilitiesDeveloping features, optimizing performance, collaborating with designers and backend teamsAssisting in coding, fixing bugs, learning project workflows
Work EnvironmentIndependent task handling, code reviews, team collaboration

The Mid Frontend Developer typically has more experience and handles complex tasks independently, while the Junior Frontend Developer focuses on learning, assisting, and gaining foundational skills. The mid-level role requires a deeper understanding of frameworks and project workflows, making it suitable for those with some professional experience in frontend development.

What are Mid Frontend Developers?

Mid Frontend Developers are professionals who specialize in building and maintaining the user-facing parts of web applications, typically with 2-4 years of experience. They are responsible for translating design mockups into interactive websites or apps using technologies like HTML, CSS, and JavaScript frameworks such as React, Angular, or Vue.js. Their role often involves collaborating with designers and backend developers, optimizing applications for speed and responsiveness, and ensuring cross-browser compatibility. Unlike junior developers, mid-level developers are expected to work more independently, solve moderately complex problems, and contribute to code reviews and project planning.

What are some common challenges faced by mid-level frontend developers when working on cross-functional teams?

Mid-level frontend developers often collaborate with backend developers, designers, and product managers, which can sometimes lead to challenges in communication and aligning on project requirements. Balancing the need for delivering visually appealing, responsive interfaces while ensuring performance and accessibility can also be demanding. Additionally, adapting to evolving frameworks or integrating new tools as decided by the team may require continuous learning and flexibility. Successful mid-level frontend developers proactively seek feedback, clarify requirements early, and stay updated on best practices to navigate these challenges.

What are the key skills and qualifications needed to thrive as a Mid Frontend Developer, and why are they important?

To thrive as a Mid Frontend Developer, you need strong proficiency in HTML, CSS, and JavaScript, along with experience in modern frameworks like React, Angular, or Vue and a relevant degree or equivalent experience. Familiarity with version control systems (such as Git), build tools, and UI design libraries is commonly expected. Strong problem-solving, effective communication, and a collaborative mindset help you stand out in team settings. These skills ensure you can create high-quality, user-friendly interfaces that work well in dynamic, cross-functional development environments.
What are popular job titles related to Mid Frontend Developer jobs in California? For Mid Frontend Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Mid Frontend Developer jobs in California look for? The top searched job categories for Mid Frontend Developer jobs in California are:
What cities in California are hiring for Mid Frontend Developer jobs? Cities in California with the most Mid Frontend Developer job openings:
Mid Frontend Developer jobs near you
Infographic showing various Mid Frontend Developer job openings in California as of June 2026, with employment types broken down into 88% Full Time, 4% Part Time, 2% Temporary, and 6% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution.

AI Full Stack Developer & Architect

SBT Global, Inc.

San Jose, CA • On-site

$13K/mo

Contractor

Posted 14 days ago

Job description

Company Description
1 Yr Contract
Onsite
Mid- Level Pay Rate: ~$13,975/mo DOE
We are looking for a highly motivated AI Full Stack Developer to join our team to build, deploy, and maintain end-to-end applications that leverage generative AI models and agentic architectures. As a Full-stack AI Developer, will bridge the gap between AI research and production-ready applications, working across the entire stack from frontend interfaces to backend logic and machine learning models. Will be responsible for building, testing, and scaling AI-driven products.
Job Description
  • AI Application Development: Develop and maintain end-to-end AI applications, from user interfaces to backend logic, focusing on AI-powered features.
  • ML Model Integration: Implement machine learning models (using frameworks like PyTorch, TensorFlow, or scikit-learn) into web and mobile applications.
  • Backend & API Engineering: Build and maintain scalable backend services and RESTful APIs, often integrated with large language models (LLMs) and agentic frameworks.
  • Frontend Development: Create interactive, responsive front-end components for user interfaces using modern frameworks like React, Vue, or Next.js.
  • MLOps & Deployment: Manage end-to-end life cycles for production, including deployment workflows using Kubernetes, Cloud Run, or containerization tools to ensure high-performance applications.
  • Database Management: Manage both relational and NoSQL databases to support AI-powered functionality.
  • Collaboration: Work closely with data scientists, product managers, and designers to turn AI capabilities into user-focused products.

Qualifications
Required Qualifications & Skills
  • Experience: Proven experience(5~8 yrs. for Middle Level & 9+ yrs. for Sr. Level) as a Full Stack Developer with specialized experience in AI model deployment.
  • Backend Skills: Strong proficiency in Python and frameworks like FastAPI or Django.
  • Frontend Skills: Experience with modern JavaScript frameworks (React.js + Node.js,Next.js, Plotly Dash + FastAPI).
  • AI/ML Knowledge: Familiarity with AI model integration (e.g., OpenAI API, LangChain, PyTorch).
  • Cloud/DevOps: Experience in Cloud platforms (AWS, GCP, Azure) and container technologies (Docker, Kubernetes).
  • Education: Bachelor's or Master's degree in Computer Science, Artificial Intelligence, or a related field.

Preferred Qualifications
  • Experience with generative AI and agentic architectures.
  • Understanding of data privacy and security in AI applications.
  • PhD in Computer Science, Artificial Intelligence, Machine Learning, or a related field

Additional Information
All your information will be kept confidential according to EEO guidelines.

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