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Junior Full Stack Engineer Jobs in El Segundo, CA

Prosum Inc.

Junior Full Stack Engineer

Santa Monica, CA · On-site

$70K - $95K/yr

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 ...

Fuser

Jr. Full Stack Engineer

Los Angeles, CA · On-site

$70K - $90K/yr

You'll join early as our Junior Full Stack Engineer, working alongside our team to help ship features, improve performance, and learn the systems that power an AI-native creative platform. This role ...

Fuser

Jr. Full Stack Engineer

Los Angeles, CA · On-site

$70K - $90K/yr

You'll join early as our Junior Full Stack Engineer, working alongside our team to help ship features, improve performance, and learn the systems that power an AI-native creative platform. This role ...

S Linx LLC

Full Stack Engineer

Los Angeles, CA · On-site

Full Stack Engineer Location: Hollywood, LA, Califonia (Onsite) Duration: 6 Months (Contract-to-Hire) Required Skills * Strong experience with Swift, SwiftUI, and AppKit (NSCollectionView ...

Secret Level

Full Stack Engineer

Los Angeles, CA · On-site +1

We're looking for a senior level Full Stack developer for our product engineering team. We are building a next-generation, cloud-based platform that will revolutionize Hollywood film and media ...

Eleven Recruiting

Full Stack Engineer

El Segundo, CA · On-site

Their client, a global investment firm, is seeking an experienced Full Stack Engineer to join their team, responsible for delivering high-quality software solutions and collaborating with ...

Jobsbridge

Full Stack Engineer

Los Angeles, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. - Bachelor's degree in Computer Science or Engineering or equivalent ...

Jobsbridge

Full Stack Engineer

Los Angeles, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. - Bachelor's degree in Computer Science or Engineering or equivalent ...

Sphinx Defense

Senior Full Stack Engineer

El Segundo, CA · On-site

$157K - $190K/yr

As a Senior Full Stack Engineer , you will lead the development of intuitive UI/UX and enhance ... You'll work as an individual contributor and a lead for more junior engineers. What you will be ...

New

Sphinx Defense

Senior Full Stack Engineer

El Segundo, CA · Remote

$157K - $190K/yr

ABOUT THE ROLE Sphinx is hiring a Senior Full Stack Engineer to join our team, building the next ... You'll work as an individual contributor and a lead for more junior engineers. What you will be ...

New

Clerkie

Full-Stack Engineer

Los Angeles, CA · Remote

$90/hr

About the role We're looking for a Full-Stack engineer who wants to build, own, and ship end-to-end product experiences in a fast-moving environment. This role is ideal for someone who is comfortable ...

Worky

Senior Full Stack Engineer

Los Angeles, CA · On-site

$175 - $190/hr

Help onboard and mentor junior engineers, providing regular feedback and technical guidance ... A proven track record of scaling full-stack applications in high-traffic, user-facing environments

New

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Junior Full Stack Engineer information

See El Segundo, CA salary details

$49.5K

$100.7K

$151.3K

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

As of Aug 28, 2026, the average yearly pay for junior full stack engineer in El Segundo, CA is $100,702.00, according to ZipRecruiter salary data. Most workers in this role earn between $77,800.00 and $101,700.00 per year, depending on experience, location, and employer.

What is a junior full stack engineer?

A Junior Full Stack Engineer is an entry-level software developer who works on both the front-end and back-end of web applications. They are typically responsible for building, testing, and maintaining features across the entire technology stack, often under the supervision of more experienced engineers. Juniors work with languages and frameworks such as JavaScript, HTML, CSS, Node.js, and databases like SQL or MongoDB. While they may not have deep expertise yet, they are expected to learn quickly, collaborate with team members, and gradually take on more complex tasks.

What are the key skills and qualifications needed to thrive as a junior full stack engineer?

To thrive as a Junior Full Stack Engineer, you need a solid understanding of front-end and back-end development concepts, programming languages like JavaScript, HTML, CSS, and familiarity with frameworks such as React and Node.js, often supported by a bachelor's degree in computer science or related experience. Experience using version control systems like Git, basic database management (SQL/NoSQL), and cloud platforms is typically required. Strong problem-solving, teamwork, and communication skills help you collaborate effectively and adapt to fast-changing project needs. These abilities are essential for building reliable, scalable web applications and contributing meaningfully to development teams.

How does a junior full stack engineer typically collaborate with other team members on a project?

As a Junior Full Stack Engineer, you’ll regularly work alongside front-end and back-end developers, designers, and product managers to deliver features and resolve issues. Collaboration often includes participating in daily stand-ups, code reviews, and sprint planning sessions. You’ll be expected to communicate progress and challenges clearly, seek guidance when needed, and contribute to shared code repositories using version control tools like Git. This collaborative environment helps you learn quickly and build strong relationships within a multidisciplinary team.

What is the difference between Junior Full Stack Engineer vs Junior Front End Developer?

AspectJunior Full Stack EngineerJunior Front End Developer
Required SkillsProficiency in both front-end and back-end technologies (HTML, CSS, JavaScript, server-side languages, databases)Strong skills in HTML, CSS, JavaScript, and front-end frameworks (React, Angular, Vue)
Work EnvironmentWorks on both client-side and server-side development, often in full project cyclesFocuses primarily on user interface and user experience development
Common UsageUsed in startups and small to medium companies requiring versatile developersCommon in companies emphasizing UI/UX and front-end design

The main difference is that a Junior Full Stack Engineer handles both front-end and back-end tasks, while a Junior Front End Developer specializes in user interface development. The full stack role requires knowledge of server-side technologies, whereas the front-end role focuses on creating engaging user experiences.

What job categories do people searching Junior Full Stack Engineer jobs in El Segundo, CA look for?

The top searched job categories for Junior Full Stack Engineer jobs in El Segundo, CA are:

What cities near El Segundo, CA are hiring for Junior Full Stack Engineer jobs?

Cities near El Segundo, CA with the most Junior Full Stack Engineer job openings:

Junior Full Stack Engineer jobs near you

Junior Full Stack Engineer

Prosum Inc.

Santa Monica, CA • On-site

$70K - $95K/yr

Other

Posted 14 days ago

Job description

Job Description
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 applications. This role is designed for an early-career engineer who has strong technical fundamentals, is eager to learn, and is excited about developing across both frontend and backend technologies.
The Junior Full Stack Engineer will work on well-defined feature tickets, contribute to production applications, and develop their technical skills through hands-on delivery, code reviews, pairing, and mentorship from experienced engineers. This is an opportunity to grow within a collaborative engineering environment that values quality, curiosity, and continuous improvement.
Key ResponsibilitiesFeature Development
  • Implement well-scoped features across the frontend and backend stack.
  • Build user interface components using React.js and TypeScript, following established design systems and component library conventions.
  • Develop backend functionality and REST API endpoints using Python/FastAPI, with guidance from senior engineers.
  • Connect frontend and backend services and develop an understanding of application architecture and data flow.
  • Follow established coding patterns, style guides, development standards, and best practices.
Quality & Learning
  • Write unit tests and develop familiarity with integration testing practices.
  • Participate in code reviews, both receiving feedback on your work and gradually reviewing contributions from other team members.
  • Ask questions early, communicate blockers, and collaborate effectively with engineering leadership and technical leads.
  • Participate in Agile ceremonies, including standups, sprint planning, retrospectives, and demos.
  • Leverage modern AI-assisted development tools to improve productivity and learn engineering patterns and best practices.
Growth & Contribution
  • Take ownership of your professional development in partnership with your manager.
  • Participate in technical learning opportunities, architecture discussions, code pairing, and knowledge-sharing sessions.
  • Contribute ideas for improving engineering tools, documentation, development processes, and team practices.
  • Develop familiarity with AI-powered applications and common LLM integration patterns.
Required Qualifications
  • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent experience through a coding bootcamp, self-directed learning, or demonstrated personal projects.
  • 0-3 years of professional or internship software engineering experience.
  • Working knowledge of Python and/or JavaScript/TypeScript, with the ability to read and contribute to code in both languages.
  • Basic familiarity with React.js, including components, props, and state.
  • Understanding of REST APIs, including how to consume APIs and basic principles of API design.
  • Experience with Git, including branching, committing, creating pull requests, and resolving merge conflicts.
  • Ability to write basic SQL queries and understand relational database concepts.
  • Strong curiosity, willingness to learn, and ability to receive and apply constructive feedback.
Preferred Qualifications
  • Academic or personal project experience with FastAPI, Flask, or Django.
  • Experience building frontend applications with React.js, including coursework, hackathons, or personal projects.
  • Exposure to a cloud platform such as AWS, Azure, or GCP through coursework or personal projects.
  • Familiarity with AI/ML concepts or experience integrating an LLM API into a project.
  • Experience working in an Agile development environment through coursework, internships, or extracurricular projects.
Work Environment & Requirements
  • Hybrid work environment with structured in-office days to support onboarding, collaboration, and team engagement.
  • Ability to work at a computer workstation for extended periods.
  • Ability to use a keyboard, mouse, and other standard computer equipment.
  • Availability during standard business hours, with flexibility for team ceremonies and occasional production support as needed.

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