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Junior Software Test Engineer Jobs in California

Arista Networks

Software Test Engineer

Santa Clara, CA · On-site

$110K - $185K/yr

  • Medical

  • Dental

  • Vision

Who You'll Work With Arista Networks is looking for world-class Software Test Engineers to help us in building the highest quality networking products you can buy. At Arista, you'll spend your time ...

Compal

Software Test Engineer

Goleta, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Engineering. * Proventrack recorddevelopinghigh volume,intrinsiccalibration ... Integrate test software with test station hardware * DevelopCode in C/C++, MFC (Microsoft ...

PTC

Junior Software Engineer

San Mateo, CA · On-site

$85K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Junior Software Engineer Hybrid-San Mateo, CA. About Arena Arena, a PTC business, helps high-tech ... Write simple unit tests and help improve test coverage under mentorship. * Participate in ...

Socket.dev

Senior Software Test Engineer

Pleasanton, CA · On-site

$90 - $180/hr

  • Medical

  • Retirement

The Opportunity This Senior Software Test Engineer role is based in Pleasanton, CA within the Heart Failure Division , where we build solutions that help diagnose, monitor, and manage heart failure.

Masimo

Engineer, Software Test

Irvine, CA · On-site

$80K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Summary We are seeking a highly skilled Engineer II, Software Test to lead the design ... Mentor junior engineers and provide technical leadership in test methodologies Minimum ...

Array Labs

Embedded Software Test Engineer

Redwood City, CA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

About the Job We are looking for a Software Test Engineer to own the validation of our complex radar payload. In this role, you will bridge the gap between hardware and software, writing the code ...

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Junior Software Test Engineer information

See California salary details

$45.9K

$93.3K

$140.1K

How much do junior software test engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for junior software test engineer in California is $93,304.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,000.00 and $94,200.00 per year, depending on experience, location, and employer.

What is a junior software test engineer?

Junior Software Test Engineers are entry-level professionals responsible for ensuring the quality and functionality of software applications. They execute test cases, identify and document bugs, and collaborate with developers to resolve issues. Typically, they work under the guidance of senior testers or quality assurance leads and gradually build their skills in areas such as test automation, bug tracking, and software development life cycles. Their work is essential for delivering reliable and user-friendly software products.

What are the key skills and qualifications needed to thrive as a junior software test engineer?

To thrive as a Junior Software Test Engineer, you need a solid understanding of software development life cycles, test case design, and basic programming or scripting skills, often supported by a degree in computer science or a related field. Familiarity with test management tools like JIRA, automation frameworks such as Selenium, and knowledge of version control systems like Git are commonly required. Attention to detail, analytical thinking, and strong communication skills help you identify issues and collaborate effectively with developers. These competencies ensure software quality, minimize defects, and contribute to efficient, reliable product releases.

What are some common challenges faced by junior software test engineers when transitioning from manual to automated testing?

Junior Software Test Engineers often find the transition from manual to automated testing challenging due to the need to learn new programming languages and testing frameworks. Adapting to writing and maintaining test scripts, understanding version control systems, and troubleshooting automation failures can initially be overwhelming. However, most organizations provide mentorship, training resources, and collaboration opportunities with senior engineers to help ease this transition. Over time, developing these automation skills not only increases efficiency but also opens up further career advancement opportunities.
What are the most commonly searched types of Software Test Engineer jobs in California? The most popular types of Software Test Engineer jobs in California are:
What are popular job titles related to Junior Software Test Engineer jobs in California? For Junior Software Test Engineer jobs in California, the most frequently searched job titles are:
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Junior Software Test Engineer jobs near you
Infographic showing various Junior Software Test Engineer job openings in California as of August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 92% In-person, and 8% Hybrid job distribution, with an average salary of $93,304 per year, or $44.9 per hour.

Software Test Engineer, Flight Software Integration & Test Operations

Xona

Burlingame, CA • On-site

Full-time

Re-posted 17 days ago

Job description

Job Summary:
Xona is a navigational intelligence company focused on providing precise positioning systems. The Software Test Engineer will design, build, and execute software test procedures to validate spacecraft Flight Software, ensuring features are testable and validated before launch.
Responsibilities:
• Develop and maintain detailed Flight Software test procedures covering nominal mission threads, off-nominal scenarios, fault responses, safing behavior, and recovery workflows.
• Translate requirements and ICDs into structured procedures with defined preconditions, configuration baselines, operator actions, expected results, and measurable pass/fail criteria.
• Build and maintain test software and utilities (command sequencing, telemetry validation, log capture, automated reporting) to execute procedures reliably.
• Run integration and regression campaigns on development benches, integrated avionics stacks, and HIL/SIL environments.
• Implement fault-focused scenarios to validate FDIR behavior, limit monitoring, safe-mode entry, and recovery logic.
• Own test data collection and time correlation, including telemetry, logs, performance metrics, and relevant instrumentation.
• Develop and maintain live monitoring and post-test dashboards (e.g., Grafana) to track system health, event timelines, and test progress.
• Support environmental test campaigns as a primary test operator when required, executing runbooks and maintaining disciplined event logs.
Qualifications:
Required:
• 2+ years of experience in software test engineering, system integration testing, or validation for embedded or mission-critical systems.
• Demonstrated ownership of structured test procedures for complex software systems, including authoring, review, version control, and operational discipline.
• Experience building or maintaining test software used to execute procedures and validate outcomes, including data capture and reporting.
• Comfortable working from ICDs and debugging across hardware/software interfaces using telemetry, logs, and lab instrumentation.
• Experience with test data collection and observability practices, including dashboards and time-correlated datasets.
• Strong documentation and cross-functional communication skills.
Preferred:
• Experience in mission-critical or safety-critical engineering environments.
• Experience integrating automated test environments and regression suites into CI/CD workflows.
• Experience supporting environmental test events and operating hardware during structured test campaigns.
Company:
Xona develops satellite navigation services delivering positioning, navigation, and timing data via a low Earth orbit network. Founded in 2019, the company is headquartered in Burlingame, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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