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Entry Level Mern Stack Developer Jobs in Temecula, CA

Engineer I, Test

Carlsbad, CA · Hybrid

$59.84K - $102.58K/yr

This role is an entry level Test Engineer position for CalAmp mobile devices supporting internal ... stacks, telematics test environments, and software-driven automation for embedded devices. You will ...

Engineer I, Test

Carlsbad, CA · On-site

$59.84K - $102.58K/yr

Responsibilities This role is an entry level Test Engineer position for CalAmp mobile devices ... stacks, telematics test environments, and software-driven automation for embedded devices. You will ...

Engineer I, Test

Carlsbad, CA · Hybrid

$102.58K/yr

Responsibilities This role is an entry level Test Engineer position for CalAmp mobile devices ... stacks, telematics test environments, and software-driven automation for embedded devices. You will ...

Entry Level Mern Stack Developer information

See Temecula, CA salary details

$23

$58

$85

How much do entry level mern stack developer jobs pay per hour?

As of May 29, 2026, the average hourly pay for entry level mern stack developer in Temecula, CA is $58.88, according to ZipRecruiter salary data. Most workers in this role earn between $48.94 and $67.84 per hour, depending on experience, location, and employer.

What is an Entry Level Mern Stack Developer job?

An Entry Level MERN Stack Developer is a beginner-level software developer who works with the MERN stack, which includes MongoDB, Express.js, React, and Node.js. Their responsibilities typically include developing and maintaining web applications, working with databases, writing frontend and backend code, and debugging issues. They collaborate with senior developers, designers, and other team members to build scalable applications. Employers usually expect basic knowledge of JavaScript, RESTful APIs, and version control systems like Git. This role is ideal for recent graduates or self-taught individuals looking to start a career in full-stack web development.

What are the key skills and qualifications needed to thrive in the Entry Level Mern Stack Developer position, and why are they important?

To thrive as an Entry Level MERN Stack Developer, you need a solid understanding of JavaScript, HTML, CSS, and proficiency with MongoDB, Express.js, React.js, and Node.js, usually supported by a relevant degree or bootcamp experience. Familiarity with version control systems like Git, API development, and cloud platforms are commonly expected, and certifications in web development can be an asset. Strong problem-solving abilities, effective teamwork, and clear communication help you contribute effectively to collaborative projects. These skills ensure you can develop, test, and deploy web applications efficiently while adapting to the fast-paced and dynamic nature of tech environments.

What types of projects or tasks can I expect to work on as an Entry Level MERN Stack Developer?

As an Entry Level MERN Stack Developer, you will typically work on building and maintaining web applications by developing both server-side and client-side features. You'll collaborate with experienced developers to design APIs, integrate user interfaces, debug code, and manage databases. Your day-to-day tasks may include writing reusable code, participating in code reviews, and troubleshooting technical issues. Working within agile teams, you'll also learn best practices for software development and have opportunities to contribute to real-world products, helping you build valuable skills for future growth.
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Engineer I, Test

Engineer I, Test

CalAmp

Carlsbad, CA • Hybrid

$59.84K - $102.58K/yr

Full-time

Posted 18 days ago


Job description

We are CalAmp, a connected intelligence company that gives people the ability to track, monitor and recover their vital assets with real-time visibility and insights.

Currently, we are seeking an Engineer I, Test based in Carlsbad, CA.

This is an exciting opportunity for those who align with our core values (Inclusion, Innovation, Execution, Customer Success) and for those who desire to build, sell, and/or support connected solutions and services.


This role is an entry level Test Engineer position for CalAmp mobile devices supporting internal telematics device testing tools and data platforms within the Vehicle Engineering group.

Core Responsibilities

  • Develop code to extract data elements from multiple 3rd party sources including Excel, MS Access, JSON, XML, or PDF files.
    • This code needs to create intermediate files or common format using Excel that can be ingested into an SQL database.

    • Assist with the ingestion of this data into the SQL database.

  • Maintain and enhance existing internal C# diagnostic and automation applications used to support telematics device validation and communication workflows.
    • MQTT broker integrations, topic subscription/publish flows, and routing
    • Serial communication subsystems: .NET COM interfaces, USB/COM detection, async port management, retry/fault-recovery logic
    • CAN and J1939 data capture, decoding, logging, filtering, and replay
  • Support automated test execution software used to validate embedded communication behavior and system functionality.
    • Loading and running modular XML test definitions

    • Improving execution reliability, reporting clarity, and logging traceability

    • Debugging communication paths across CAN, MQTT, serial, and server interfaces


Must Haves

  • Bachelor’s degree in Computer Science, Electrical Engineering, or related field

  • Proficiency in C# and Python

  • Working knowledge of serial communication (COM/USB) fundamentals

  • Proficiency in MS Excel: formulas, pivot tables, data formatting

  • Excellent communication and interpersonal skills

Strong Pluses

  • Experience with distributed IoT communication:

    • MQTT publish/subscribe patterns

    • Broker-based device telemetry flows

    • TLS, authentication, and topic security models

  • Familiarity with vehicle and embedded communication buses:

    • J1939, J1708/J1587, CAN, CAN FD

  • Exposure to debugging tools:

    • CANalyzer, CANoe, MQTTX, Postman

  • Familiarity with IP networks and routing

  • Experience with cellular modems, GPS technology, Wi-Fi, and Bluetooth/BLE

This position provides hands-on experience with modern IoT communication stacks, telematics test environments, and software-driven automation for embedded devices. You will work closely with engineering to support and evolve internal communication test frameworks, data processing flows, and test automation logic.

Interviews are occurring this week and next so apply now if interested.

Please note: Applicants must be legally authorized to work in the U.S. on a permanent basis. We are unable to provide sponsorship at this time.

#LI-JN1

#LI-Hybrid


USD $59,838.00/Yr.
USD $102,579.00/Yr.