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Javascript Backend Developer Jobs in El Cajon, CA

TIAG

Software Engineer

San Diego, CA

Proficiency in JavaScript (ES6+) and a thorough understanding of React.js and its core principles ... the back-end). * Familiarity with OCI-compliant container tools like Podman and Buildah ...

Qualcomm Technologies

Sr. Engineer, AI Platforms

San Diego, CA · On-site

$130K - $171K/yr

... developer tools (e.g., VS Code plugins) and backend services. * Develop and integrate LLM-powered ... NET, Python, JavaScript, TypeScript, React.js, Angular, Node.js, HTML, and CSS * Experience ...

Qualcomm

Sr. Engineer, AI Platforms

San Diego, CA · On-site

$130K - $171K/yr

... developer tools (e.g., VS Code plugins) and backend services. * Develop and integrate LLM-powered ... NET, Python, JavaScript, TypeScript, React.js, Angular, Node.js, HTML, and CSS * Experience ...

Qualcomm

Sr. Engineer, AI Platforms

San Diego, CA · On-site

$111K - $166K/yr

... developer tools (e.g., VS Code plugins) and backend services. * Develop and integrate LLM-powered ... NET, Python, JavaScript, TypeScript, React.js, Angular, Node.js, HTML, and CSS * Experience ...

Axos Bank

Conversational AI Engineer

San Diego, CA · On-site

$70K - $93K/yr

Strong proficiency in programming, preferably with Python and JavaScript, and experience building backend services. * Strong analytical, problem-solving, and communication skills, with the ability to ...

Axos Bank

Conversational AI Engineer

San Diego, CA · On-site

$70K - $93K/yr

Strong proficiency in programming, preferably with Python and JavaScript, and experience building backend services. * Strong analytical, problem-solving, and communication skills, with the ability to ...

Axos Bank

Conversational AI Engineer

San Diego, CA · On-site

$70K - $93K/yr

Strong proficiency in programming, preferably with Python and JavaScript, and experience building backend services. * Strong analytical, problem-solving, and communication skills, with the ability to ...

The Marlin Alliance

Senior Software Developer

San Diego, CA · On-site

$57.75 - $76.50/hr

Understanding of frontend development concepts (HTML, CSS, JavaScript frameworks). * Strong problem ... Experience working on both Front-End and Back-End technologies such as web frameworks and databases

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All JobsJavascript Backend Developer JobsJavascript Backend Developer Jobs in El Cajon, CA

Javascript Backend Developer information

See El Cajon, CA salary details

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$88

How much do javascript backend developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for javascript backend developer in El Cajon, CA is $60.27, according to ZipRecruiter salary data. Most workers in this role earn between $49.42 and $71.25 per hour, depending on experience, location, and employer.

What does a JavaScript backend developer do?

A JavaScript Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs that power web applications. They use JavaScript, often with frameworks like Node.js, to process requests, manage data, and ensure smooth communication between the frontend and backend of an application. Their work ensures that web applications are scalable, secure, and efficient. JavaScript Backend Developers also collaborate with frontend developers and other team members to deliver seamless user experiences.

What are the key skills and qualifications needed to thrive as a JavaScript backend developer, and why are they important?

To thrive as a Javascript Backend Developer, you need strong proficiency in JavaScript (especially Node.js), knowledge of backend frameworks, and a solid understanding of databases such as MongoDB or PostgreSQL. Familiarity with development tools like Git, RESTful APIs, Docker, and cloud platforms, as well as relevant certifications, is highly valuable. Excellent problem-solving, teamwork, and communication skills help you collaborate effectively and deliver robust solutions. These abilities are crucial for building scalable, secure, and maintainable backend services that power modern applications.

What are the typical challenges a JavaScript backend developer faces when scaling applications for high traffic?

JavaScript Backend Developers, especially those working with Node.js, often encounter challenges related to handling high concurrency, optimizing database queries, and maintaining application performance under heavy load. Ensuring efficient memory management and implementing robust error handling are also critical when scaling. Working closely with DevOps and frontend teams to optimize APIs and monitor system health is essential for delivering reliable, scalable backend solutions.

What is the difference between Javascript Backend Developer vs Javascript Frontend Developer?

AspectJavascript Backend DeveloperJavascript Frontend Developer
Primary FocusServer-side development, APIs, databasesUser interface, client-side interactions
Required SkillsNode.js, databases, server managementHTML, CSS, JavaScript, UI frameworks
Work EnvironmentBack-end servers, cloud platformsWeb browsers, client devices
Common UsageBuilding APIs, server logicDesigning web pages, user experience

The main difference between a Javascript Backend Developer and a Javascript Frontend Developer lies in their focus areas. Backend developers handle server-side logic, databases, and APIs, while frontend developers focus on creating engaging user interfaces and client-side interactions. Both roles require JavaScript skills but apply them in different parts of web development projects.

What are popular job titles related to Javascript Backend Developer jobs in El Cajon, CA?

For Javascript Backend Developer jobs in El Cajon, CA, the most frequently searched job titles are:

What job categories do people searching Javascript Backend Developer jobs in El Cajon, CA look for?

The top searched job categories for Javascript Backend Developer jobs in El Cajon, CA are:

What cities near El Cajon, CA are hiring for Javascript Backend Developer jobs?

Cities near El Cajon, CA with the most Javascript Backend Developer job openings:

Javascript Backend Developer jobs near you
Infographic showing various Javascript Backend Developer job openings in El Cajon, CA as of August 2026, with employment types broken down into 87% Full Time, and 13% Contract. Highlights an 87% In-person, and 13% Remote job distribution, with an average salary of $125,371 per year, or $60.3 per hour.

IOS Developer

Adidev Technologies Inc

San Diego, CA

$30 - $40/hr

Full-time

Re-posted 17 days ago

Job description

Adidev Technologies Inc 

www.adidevtechnologies.com


URGENT HIRE - HIRING PROCESS - 24-48 HOURS!

Adidev Technologies is looking for entry and mid-level iOS and Android developers with at least 1 - 2 years of experience. Must be open to working onsite, no telecommuting/remote positions are being offered. Must be a driven self-starter and must be willing to relocate to a new city or state depending upon the client assignment. This position requires relocation, projects can last anywhere from 6 months to 18 months with options to extend. The salary varies depending on experience and we are in search of developers looking to start as soon as possible. Must have excellent written and oral communication and work well in a team environment.

If you are looking for a new challenge and are ready to make an impact on a growing team, then this will be a perfect fit. As an iOS or Android Mobile Developer for Adidev Technologies Inc., you will be enhancing and debugging large-scale applications for our well-known clients.

Adidev Technologies is a growing software consulting company that is ready to expand. Working with well-known clients and ready to take on new ones, we need to add more brilliant software engineers to the team to make this possible. Not only do we offer a great team to work with, but we also offer you an opportunity to make an immediate impact and get rewarded accordingly

Responsibilities and Duties:

Design and build applications for the iOS or Android platform

Ensure the performance, quality, and responsiveness of applications

Collaborate with a team to define, design, and ship new features

Identify and correct bottlenecks and fix bugs

Help maintain code quality, organization, and automatization

Maintain positive rapport with all clients

Ability to gather requirements and provide accurate and realistic project milestones and timelines for completion

Successfully perform any coding tests or challenges as required

Maintain open communication via phone, text, and email on a daily basis

Complete daily project progress summaries

Suggest new features and expansions of existing apps to improve performance and usability

Deliver on time as discussed and clearly communicate any changes in deadlines as soon as possible

Benefits

Competitive Salary

Paid Relocation

Remote Support

Guaranteed Regular Salary Reviews

Job Type: W2 or Contract 1099 (full time - 40 hours)

Salary: $60k to $85k or $30/hr to $40/hr + Depending upon Experience

iOS Developer

Qualifications and Skills:

  • Hands-on experience in Swift, Unit test automation, Agile, GitHub, and Objective-C.
  • Experience with iOS frameworks such as Core Data, Core Animation, etc.
  • Experience with Design Patterns such as MVC, MVVM etc.
  • Familiarity with RESTful APIs to connect iOS applications to back-end services
  • Familiarity with 3rd Party API integrations such as Facebook, Dropbox, Instagram, Twitter, GoogleDrive, Bluetooth, Keychain, etc.
  • Knowledge of other web technologies and UI/UX standards
  • Understanding of Apple’s design principles and interface guidelines
  • Experience with performance and memory tuning with tools
  • Familiarity with cloud message APIs and push notifications
  • An understanding of iOS design patterns/coding conventions, Apple’s Human Interface Guidelines, and App Store Review Guidelines
  • Proficient understanding of code versioning tools {{such as Git, Mercurial or SVN}}
  • Familiarity with continuous integration

Required experience:

  • Ability to write efficient, reusable and maintainable code in Swift
  • Design and build advanced applications for the IOS platform
  • Experience in design, development, and coding (iPhone,iPad)
  • Excellent expertise in iOS SDK frameworks and fundamentals
  • Must have managed at-least one application live on App Store.

Good to have :

  • Hands-on experience with React Native is a plus
  • A GitHub account with some neat projects in it.
  • Knowledge of any Server side language, a plus. HTML5, CSS, and JavaScript experience, a plus.
Employment Type: FULL_TIME

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