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Junior Full Stack Software Engineer Jobs in California

IQUASAR LLC

Full Stack Engineer

San Diego, CA · On-site

Full Stack software engineer Location: San Diego, CA Clearance Level: Secret We are looking for a Full Stack software engineer who can join our team and make an immediate impact through their ...

iQuasar LLC

Full Stack Engineer

San Diego, CA · On-site

Full Stack software engineer Location: San Diego, CA Clearance Level: Secret We are looking for a Full Stack software engineer who can join our team and make an immediate impact through their ...

Plugmotors

Full-Stack Software Engineer

Santa Monica, CA · On-site

$145 - $175/hr

Full-Stack Software Engineer Team: Engineering Location: Onsite-Santa Monica, CA Employment Type: Full-time, Salary, Exempt Reports To: Engineering Lead About Plug Plug is an automotive fintech ...

Plug

Full-Stack Software Engineer

Los Angeles, CA · On-site

Full-Stack Software Engineer Team: Engineering Location: Onsite - Sawtelle (Between Santa Monica & West LA) Employment Type: Full-time, Salary, Exempt Reports To: Engineering Lead About Plug Plug is ...

MedImpact

Full Stack Software Engineer I

San Diego, CA · On-site

$42.50 - $53.52/hr

Full Stack Software Engineer Business Unit: 1200 Information Technology Prepared Date: 5/20/2025 Summary The Full Stack Software Engineer position works within the Application Development & Support ...

Hop

Full Stack Software Engineer

Los Angeles, CA · On-site

$200K - $400K/yr

We are seeking a highly motivated, collaborative, and technically strong Full Stack Software Engineer to join an Enterprise Technology Application Development team supporting a highly respected ...

iQuasar, LLC

Full Stack Engineer

San Diego, CA · On-site

$110 - $170/hr

Full Stack Software Engineer Location: San Diego, CA Clearance Level: Secret We are looking for a Full Stack software engineer who can join our team and make an immediate impact through their ...

MedImpact

Full Stack Software Engineer I

San Diego, CA

$42.50 - $53.52/hr

Full Stack Software Engineer Business Unit: 1200 Information Technology Prepared Date: 5/20/2025 Summary The Full Stack Software Engineer position works within the Application Development & Support ...

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All JobsFull Stack Software Engineer JobsJunior Full Stack Software Engineer JobsJunior Full Stack Software Engineer Jobs in California

Junior Full Stack Software Engineer information

See California salary details

$43.9K

$133K

$188K

How much do junior full stack software engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for junior full stack software engineer in California is $133,006.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,500.00 and $155,900.00 per year, depending on experience, location, and employer.

What is a junior full stack software engineer?

Junior Full Stack Software Engineers are entry-level professionals who develop both the front-end and back-end components of web applications. They work with a variety of programming languages, frameworks, and tools to build, maintain, and improve websites or web services. Typically, junior engineers work under the guidance of more experienced developers and contribute to coding, debugging, and testing software features. Their role often involves learning new technologies and best practices while collaborating with team members to deliver functional software solutions.

What are some typical challenges a junior full stack software engineer faces when working on cross-functional teams?

As a Junior Full Stack Software Engineer, you may encounter challenges such as balancing front-end and back-end development tasks, quickly learning new frameworks or technologies used by the team, and effectively communicating with designers, QA testers, and senior engineers. Navigating different coding standards and adapting to the team's workflow can also be initially overwhelming. However, these challenges offer valuable learning opportunities, and most teams provide mentorship and code reviews to support your growth.

What are the key skills and qualifications needed to thrive as a junior full stack software engineer, and why are they important?

To thrive as a Junior Full Stack Software Engineer, you need a solid grasp of programming fundamentals, web development (HTML, CSS, JavaScript), and basic knowledge of both front-end and back-end frameworks, often supported by a relevant degree or coding bootcamp. Familiarity with tools like Git, databases (SQL/NoSQL), and frameworks such as React or Node.js is commonly expected. Problem-solving, effective communication, and eagerness to learn are standout soft skills in this role. These skills and qualities are crucial for building, maintaining, and improving software applications while collaborating efficiently with team members.

What are the most commonly searched types of Full Stack Software Engineer jobs in California?

The most popular types of Full Stack Software Engineer jobs in California are:

What are popular job titles related to Junior Full Stack Software Engineer jobs in California?

For Junior Full Stack Software Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Junior Full Stack Software Engineer jobs in California look for?

The top searched job categories for Junior Full Stack Software Engineer jobs in California are:

What cities in California are hiring for Junior Full Stack Software Engineer jobs?

Cities in California with the most Junior Full Stack Software Engineer job openings:

Junior Full Stack Software Engineer jobs near you
Infographic showing various Junior Full Stack Software Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 90% Full Time, 6% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $133,006 per year, or $63.9 per hour.

Full Stack Software Engineer

Mariana Minerals

San Francisco, CA • On-site

$120 - $165/hr

Other

Posted 5 days ago

Job description

About Mariana Minerals

Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.

Role Overview

Mariana Minerals is looking for a highly motivated Full Stack Software Engineer to work on building the critical minerals supply chain to support the world’s energy transition.

As a Full Stack Software Engineer at Mariana Minerals, you will lead the development and deployment of software to accelerate the engineering and construction of physical infrastructure that is critical to building the minerals supply chain. Responsibilities will include building integrations with the existing software tools for engineering and construction, extending these tools to fill in gaps and address pain points identified by Mariana’s internal engineering and construction teams, working with Mariana’s ML engineers to integrate LLMs to tackle specific challenges around unstructured data ingestion and understanding, and working with Mariana’s internal teams to develop a new “operating system” for the engineering, construction, and operation of Mariana’s mineral processing facilities.

What You’ll Do

  • Work closely with Mariana’s internal engineering, construction, and operations teams to identify and build internal software tools to accelerate the deployment of Mariana’s mineral processing facilities.

  • Build data integrations with the existing suite of engineering/construction tools such as Autodesk.

  • Build net new web experiences and applications that will be used by Mariana's internal teams and partners to help build capital project faster and more efficiently.

  • Evaluate existing software in the ecosystem to assist Mariana’s internal teams

  • Work closely with Mariana’s ML engineers to implement novel LLM powered experiences that assist Mariana’s internal teams.

  • Assist with the data architecture for Mariana’s data pipelines to feed the training of novel ML models that control Mariana’s mineral processing facilities and provide visibility into the operation of the facilities to the internal Mariana team.

What You’ll Bring

  • Strong understanding of software engineering in a professional capacity (1.5+ years preferred).

  • Ability to work with non-software stakeholders to identify pain points and needs, scope level of effort required for new features, and then drive implementation of these features.

  • Self-starter mindset, ability to bring clarity to high ambiguity situations, and excitement to work with non-software stakeholders directly.

  • Ability to work across the entire stack from deploying servers to writing front end code and everything in between (or demonstrated proficiency in one of these areas and the desire to expand your skillset).

Our culture is built on four principles:

Everyone Gets Home Safe. We never put speed or cost ahead of people.

Extreme Ownership. We take full responsibility for outcomes, relentlessly driving toward solutions.

Engineer Out Requirements, then Automate. We simplify, optimize, and then automate for scale.

Share Your Legos. We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.

Join us as we build the future of responsible mineral sourcing and supply!
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