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Junior Rails Developer Jobs in California (NOW HIRING)

Arcadis

Rail Lead - Los Angeles

Los Angeles, CA

$300K - $380K/yr

Arcadis seeks a Rail Lead to join our team in California , in this role you will serve as a senior ... Mentor junior engineers and support staff, fostering technical excellence and knowledge sharing.

Arcadis

Rail Lead - Los Angeles

Los Angeles, CA · On-site

$300K - $380K/yr

Arcadis seeks a Rail Lead to join our team in California , in this role you will serve as a senior ... Mentor junior engineers and support staff, fostering technical excellence and knowledge sharing.

Arcadis

Project Director - Rail Transit

Los Angeles, CA · On-site

$250K - $300K/yr

Guide, coach, and develop junior engineers and assistant project managers, building a culture of ... Deep knowledge of rail systems engineering, design standards, and safety codes. * Exceptional ...

Arcadis

Project Director - Rail Transit

Los Angeles, CA · On-site

$250K - $300K/yr

Guide, coach, and develop junior engineers and assistant project managers, building a culture of ... Deep knowledge of rail systems engineering, design standards, and safety codes. * Exceptional ...

Wescom Solutions Careers

OCS Engineer

Sacramento, CA · On-site

Design OCS layout, wire tensions, for light rail, commuter rail and streetcar with pantograph as ... Serve as a leader and provide guidance to junior team members * Support the management of System ...

STV

Senior CADD Technician

Rancho Cucamonga, CA · Hybrid

$83K - $95K/yr

Collaborate with structural engineers, civil teams, rail designers, and other CADD staff to ... Help improve drafting workflows, share best practices, and provide guidance to junior technicians ...

Shipstr

Vice President of Engineer

San Francisco, CA · On-site

You should be a passionate developer who wants to make a major impact at an early-stage startup ... You should have a deep understanding of Rails development, a proven track record of building ...

Luster National

Civil Engineer I / II

Wasco, CA · On-site

$41 - $55/hr

About the Position We're seeking a junior to mid-level Civil Engineer / Field Engineer to support large, heavy-civil infrastructure programs including highways, roads, bridges, transit (both rail and ...

Luster National

Civil Engineer I / II

Wasco, CA · On-site

$41 - $55/hr

About the Position We're seeking a junior to mid-level Civil Engineer / Field Engineer to support large, heavy-civil infrastructure programs including highways, roads, bridges, transit (both rail and ...

HDR

Bridge Engineer

San Diego, CA

... rail, aviation, federal transportation ports and marine infrastructure, your work will directly ... Mentor junior staff * Perform other duties as needed #LI_JF1 Keywords: Bridge Engineer Preferred ...

HDR

Bridge Engineer

San Diego, CA · On-site

... rail, aviation, federal transportation ports and marine infrastructure, your work will directly ... Mentor junior staff * Perform other duties as needed #LI_JF1 Keywords: Bridge Engineer Preferred ...

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All JobsJunior Rails Developer JobsJunior Rails Developer Jobs in California

Junior Rails Developer information

See California salary details

$23.7K

$87.8K

$135.7K

How much do junior rails developer jobs pay per year?

As of Jun 25, 2026, the average yearly pay for junior rails developer in California is $87,810.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,100.00 and $85,900.00 per year, depending on experience, location, and employer.

What types of projects and responsibilities can a Junior Rails Developer expect in their first year on the job?

As a Junior Rails Developer, you can expect to work on tasks such as fixing bugs, writing and maintaining tests, and implementing small features under the guidance of more experienced developers. You'll likely participate in code reviews, collaborate closely with product managers and designers, and be encouraged to learn best practices in coding and version control. The environment is typically supportive, with regular feedback and opportunities to ask questions, making it a great setting for professional growth. Over time, you may gradually take on more complex assignments and begin to contribute to architectural discussions.

What is the difference between Junior Rails Developer vs Ruby on Rails Developer?

AspectJunior Rails DeveloperRuby on Rails Developer
Experience LevelEntry-level, 0-2 yearsMid to senior level, 2+ years
ResponsibilitiesAssisting in development, learning codebaseDesigning, developing, maintaining Rails applications
Required SkillsBasic Ruby/Rails knowledge, eagerness to learnStrong Ruby/Rails skills, problem-solving
Work EnvironmentStartups, small teams, internshipsEstablished companies, tech firms, agencies

The main difference between a Junior Rails Developer and a Ruby on Rails Developer lies in experience and responsibilities. Junior Rails Developers are typically entry-level, focusing on learning and assisting with tasks, while Ruby on Rails Developers have more experience and handle complex development projects independently.

What does a Junior Rails Developer do?

A Junior Rails Developer is an entry-level software engineer who works with Ruby on Rails, a popular web development framework. Their responsibilities typically include writing and maintaining code, fixing bugs, collaborating with other developers, and learning best practices for web application development. Junior Rails Developers often assist in building features, performing tests, and ensuring applications run smoothly while gaining experience and mentorship from more senior team members.

What are the key skills and qualifications needed to thrive as a Junior Rails Developer, and why are they important?

To thrive as a Junior Rails Developer, you need a solid understanding of Ruby, Ruby on Rails framework, basic front-end languages (HTML, CSS, JavaScript), and a relevant degree or coding bootcamp experience. Familiarity with tools like Git, PostgreSQL or MySQL, and test frameworks such as RSpec is typically expected. Strong problem-solving skills, eagerness to learn, and effective communication help you collaborate within development teams and grow in the role. These skills are important because they enable you to build, maintain, and improve web applications efficiently while adapting to evolving project requirements.
What are popular job titles related to Junior Rails Developer jobs in California? For Junior Rails Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Junior Rails Developer jobs in California look for? The top searched job categories for Junior Rails Developer jobs in California are:
What cities in California are hiring for Junior Rails Developer jobs? Cities in California with the most Junior Rails Developer job openings:
Junior Rails Developer jobs near you

Senior Rail Vehicle Electrical Engineer

Hatch

Los Angeles, CA • On-site

$210K - $230K/yr

Other

Medical, Dental, Vision, Life, Retirement

Posted 23 days ago

Job description

Requisition ID: 99698 

Job Category: Engineering; Consulting; Infrastructure; Project Engineering; Project Management 

Location: Los Angeles, CA, United States 
 

Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 70 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you.

Our expertise in infrastructure includes aviation, highways and bridges, planning and advisory services, ports, rail and transit, tunnels, and water. Want to be part of the creation and construction of our cities? Then the infrastructure team is for you!

Looking to take the next step in your career?

Hatch is currently seeking a highly motivated Senior Vehicle Electrical Engineer to join our North American Infrastructure division in Vehicle Electrical group in our Los Angeles, CA office.

Minimum Qualifications:

Bachelor's or Master's degree in Electrical Engineering and a minimum of 10 years of professional experience in the rail vehicle electrical systems (Streetcars, LRVs, Heavy Rail Transit Cars, Commuter Cars, Locomotives) design and maintenance. Transit Authority engineering and maintenance experience is a plus. Must have working knowledge of core electrical engineering concepts (analog/digital circuit design, power engineering, networking/telecommunications, AC/DC motor theory, control systems, and software development EMI/EMC). Familiarity with the APTA, FRA, IEEE, IEC/EN, NFPA, and other industry standards related to rail vehicle design is expected. Must possess excellent analytical, written and oral communication skills, and work well in a team. PE registration is desirable but not required. Both domestic and foreign travel is required.

Duties and Responsibilities:

  • Develop technical specifications and conceptual designs for the new and upgraded rail vehicles and the on-board systems.
  • Participate in the design review meetings and technical working sessions with the carbuilders and equipment suppliers.
  • Review electrical and electro-mechanical designs, prepare detailed descriptions of review findings.
  • Direct and/or participate in the new equipment qualification efforts at supplier facilities and on the trains including functional testing, electrical performance, environmental, and electromagnetic compatibility.
  • Prepare and/or review rail vehicle and vehicle on-board systems test procedures.
  • Hands-on engineering work with the rail transit vehicles, including testing, investigations of equipment malfunctions, and condition assessments.
  • Mentor and educate junior engineers

Why join us?

  • Work with great people to make a difference
  • Collaborate on exciting projects to develop innovative solutions
  • Top employer


What we offer you?

  • Flexible work environment
  • Long term career development
  • Think globally, work locally

Don't meet every single requirement? You don't need to. At Hatch, we are building a diverse, inclusive workplace that fosters innovation. If you're interested in this role, we encourage you to apply even if your past experiences don't perfectly align with the skills we've listed.

We're committed to fostering a workforce that reflects the diversity of the communities in which we operate and serve. Hatch is an Equal Opportunity Employer that considers applicants without regard to age, race, color, national origin, citizenship, religion, creed, gender, sexual orientation, marital status, disability, veteran, or any other protected status. If you have any accommodation requirements, please let us know. We'll do our best to meet your needs in accordance with applicable local legislation.

Base Compensation: $210,000 - $230,000 (Actual compensation is subject to variation due to such factors as education, experience, skillset, and/or location)

Hatch is proud to offer a comprehensive benefits package to meet the diverse needs of our employees. This includes:

  • Health and Welfare benefits: Top-tier medical coverage (one plan with no employee premium required), prescription drug, dental, vision; flexible spending accounts and a health savings account (with a generous employer contribution); life, accident, and disability insurance; employee assistance program (EAP), employee wellness program
  • Retirement Savings: 401(k) with employer match of 50% per dollar up to 6%, fully vested after three years; additional 3% in profit-sharing contribution after one year of employment (immediately vested)
  • Paid Time Away from Work: 3-4 weeks of vacation based on experience and company discretion, prorated in the 1st year based on hire date (up to 2.5 weeks can be carried over per year); 10 paid holidays; 10 sick days per calendar year, with the ability to carry-over sick time to a maximum of 40 days to be used for future FMLA-qualifying events; Partial Paid Parental leave up to 12 weeks for birth parents and 4 weeks for non-birth parents

The benefits listed above apply to US-based, full-time permanent applicants only. Hatch reserves the right to change plans at its discretion.

Apply