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Freelance Junior Mern Stack Developer Jobs in California

AA2IT is a leading technology company in San Francisco seeking an experienced Full Stack Developer ... Required : • 5-8 years experience in MERN stack • strong problem-solving skills • ability to ...

Position Overview We are seeking a Full Stack Developer to help build and maintain our cloud ... Experience with MERN stack. * Proficiency with WebRTC and Socket.IO * Knowledge of SQL and NoSQL ...

MERN Full Stack Engineer or Staff Engineer Location: Sunnyvale, CA Needs: REACT NODE GRAPH QL STAFF ... Cloud & DevOps: Familiarity with cloud platforms (like Microsoft Azure or Google Cloud Platform ...

New

This Full Stack Developer position will be responsible for various aspects of UI architecture ... Mentoring junior and mid-level engineers and contributing to engineering culture Requirements:

New

Job Summary We are seeking a motivated and detail-oriented Junior Full Stack Developer to join our growing team. This role is ideal for recent graduates or professionals with 1-2 years of software ...

We have no exact requirements for freelancers at this stage but are always looking for ... Full-stack Developers * Front-end Developers * UI/UX Designers * Motion Graphics/Interaction ...

We have no exact requirements for freelancers at this stage but are always looking for ... Full-stack Developers * Front-end Developers * UI/UX Designers * Motion Graphics/Interaction ...

Full Stack Developer

Irvine, CA · On-site

$90K - $110K/yr

We are looking for a skilled and motivated Full Stack Developer to join our growing team, building ... Mentor and support junior engineers, contribute to documentation, and design system components.

Full Stack Developer Job Category: Information Technology Time Type: Full time Minimum Clearance ... supporting junior developers, providing guidance on coding practices and problem-solving.

Junior Full Stack Engineer Salary Range: $70,000-$95,000 About the Role We are seeking a Junior Full Stack Engineer to join a growing technology organization and help build modern, AI-powered ...

Sr.Developer

Sunnyvale, CA · On-site

$65 - $85.75/hr

Cognizant is looking for Sr Developer 2. Job Summary : Primary Skill - Core Java Spring Rest Rest ... MERN stacks and related technologies. - Proficient knowledge in back-end API development using ...

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Infographic showing various Freelance Junior Mern Stack Developer job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 67% In-person, and 33% Remote job distribution.

Staff Software Engineer/Mern Stack developer

Sunnyvale, CA • On-site

Other

Posted 3 days ago

New


Job description

Staff Software Engineer/Mern Stack developer

5 days onsite in Sunnyvale, CA

Relocation is okay
rate only on w2


3 round virtual interview process
Looking for MERN Full stacks , needs to have held a staff level jobin the past
Needs:
REACT

NODE

GRAPH QL
STAFF LEVEL REsource

Job Description:
Position Summary

As a Staff Software Engineer, you will lead the design and development of our next-generation web applications. You will work on massive-scale systems that power Walmart s e-commerce and retail platforms. You will collaborate with product, data science, and design teams to build high-performance tools and services used by millions of people.

Key Responsibilities

  • Architect Systems: Design and build scalable full-stack web applications using React, Node.js, and GraphQL.
  • Lead Strategy: Set the technical direction for front-end architecture, API design, and data orchestration layers.
  • Optimize Performance: Ensure applications are highly responsive, accessible, and optimized for maximum speed and scalability.
  • Mentor Engineers: Guide and coach mid-level and senior engineers through code reviews, design docs, and technical pairing.
  • Drive Collaboration: Partner with product managers and UX designers to turn complex business requirements into clean, functional code.

Technical Skills & Qualifications

  • Frontend Mastery: Deep expertise in React, TypeScript, state management, and modern bundlers.
  • Backend Expertise: Strong background building scalable services and microservices using Node.js.
  • API Design: Proven success designing and implementing high-throughput GraphQL APIs, schemas, and resolvers.
  • Data Integration: Comfort working with relational and non-relational databases, caching layers, and event-driven data streams.
  • Cloud & DevOps: Familiarity with cloud platforms (like Microsoft Azure or Google Cloud Platform) and CI/CD deployment pipelines.

Soft Skills

  • Strong problem-solving abilities and a passion for tackling complex, ambiguous technical challenges.
  • Excellent communication skills to explain technical ideas to non-technical partners.