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Junior Rails Developer Jobs in California (NOW HIRING)

Hatch

Senior Traction Power Engineer

Los Angeles, CA · Hybrid

$112K - $154K/yr

... rail and transit, tunnels, and water. Want to be part of the creation and construction of our ... Lead a group of junior electrical engineers to develop traction power design packages * Design ...

Hatch

Senior Traction Power Engineer

Los Angeles, CA · Hybrid

$112K - $154K/yr

... rail and transit, tunnels, and water. Want to be part of the creation and construction of our ... Lead a group of junior electrical engineers to develop traction power design packages * Design ...

Hatch

Senior Traction Power Engineer

Los Angeles, CA · On-site

$112K - $154K/yr

... rail and transit, tunnels, and water. Want to be part of the creation and construction of our ... Lead a group of junior electrical engineers to develop traction power design packages * Design ...

Ten2Eleven

Senior Web Developer

Sacramento, CA · On-site

... for junior developers. Candidates should be comfortable in a hands-on capacity at all levels of ... Ruby on Rails * CLSA.NET or Entity Framework * SalesForce.com Development * Photoshop or similar ...

Ten2Eleven

Senior Web Developer

Sacramento, CA

... for junior developers. Candidates should be comfortable in a hands-on capacity at all levels of ... Ruby on Rails * CLSA.NET or Entity Framework * SalesForce.com Development * Photoshop or similar ...

Wescom Solutions

Traction Power Engineer

Los Angeles, CA · On-site

$80K - $120K/yr

Position Summary Wescom Solutions is seeking a Traction Power Engineer for support on major rail ... Develop and grow traction power engineering department and assist with hiring decisions for junior ...

Wescom Solutions

Traction Power Engineer

Los Angeles, CA · On-site

$80K - $120K/yr

Position Summary Wescom Solutions is seeking a Traction Power Engineer for support on major rail ... Develop and grow traction power engineering department and assist with hiring decisions for junior ...

HDR

Bridge Project Manager

Irvine, CA · On-site

... Engineering * Caltrans bridge design experience * California High Speed Rail Experience * Experience using Microsoft Office Suite, MicroStation, AutoCAD, MathCAD, LARSA * Experience mentoring junior ...

HDR

Bridge Project Manager

Irvine, CA · On-site

... Engineering * Caltrans bridge design experience * California High Speed Rail Experience * Experience using Microsoft Office Suite, MicroStation, AutoCAD, MathCAD, LARSA * Experience mentoring junior ...

AECOM

Project Manager (Rail and Transit)

Oakland, CA · On-site

... engineers, scientists, digital innovators, program and construction managers and other ... Mentor and guide junior and mid-level staff to support their professional growth and effective ...

AECOM

Project Manager (Rail and Transit)

Oakland, CA · On-site

... engineers, scientists, digital innovators, program and construction managers and other ... Mentor and guide junior and midlevel staff to support their professional growth and effective ...

AECOM

Civil Construction Engineer 2

Bakersfield, CA · On-site

... a junior level Civil/Construction Engineering to support onsite efforts within our Bakersfield, CA office. The Construction Engineer will support the California High-Speed Rail program by ...

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Showing results 1-20

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 Traction Power Engineer

Hatch

Los Angeles, CA • Hybrid

$112K - $154K/yr

Other

Posted 26 days ago

Job description

Requisition ID: 95594 

Job Category: Infrastructure; Consulting; Engineering; 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 65 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 Traction Power Engineer to join our North American Infrastructure group in our Rail Systems team in the Los Angeles, CA area.
Other possible locations: Chicago IL; Newark, NJ; Seattle, WA; Brooklyn, NY; Ambler, PA (Suburban Philadelphia)
In this role the ideal candidate is a results-driven engineering professional with excellent written and verbal communication skills and the ability to work well in a team environment.  Candidates must be detail-oriented with excellent organizational skills, have the ability to work on multiple projects simultaneously while meeting deadlines and maintaining a high level of quality, as well as the ability to work independently with minimal supervision.
As the successful candidate, you will:

  • Lead a group of junior electrical engineers to develop traction power design packages
  • Design traction power substations, feeder and equipment sizing, site plans, duct bank and conduit layouts, grounding systems, and auxiliary power supply systems and control circuits
  • Coordinate with other engineers for systems integration and design
  • Perform load flow simulations and prepare reports
  • Develop documents including specifications, drawings and cost estimates
  • Review project submittals and requests for information from contractors
  • Provide installation, testing and commissioning support to clients
  • Management of traction power projects

 
You bring to the role:

  • A Bachelor's or Master's degree in Electrical Engineering
  • 15 to 25 years of experience with dc traction power systems design, including the design of 600 to 1500 Volt dc rail transit traction power substations, ac and dc switchgear, transformers, rectifiers, and controls
  • Working knowledge of NFPA 70 is required and thorough understanding of the National Electrical Code (NEC) and local codes
  • Professional engineer's license or engineer-in-training certificate is an advantage
  • Experience with the North American transit/transportation industry is highly desirable
  • Relevant experience may be considered as a substitute for degree requirements

 
The following skills/experience is a plus:

  • Load flow simulation software
  • Knowledge of power systems analysis
  • Experience in factory testing, field testing and commissioning of traction power equipment
  • Experience in protective relaying
  • Experience in medium voltage switchgear application-design and specification
  • Knowledge of railway overhead catenary/third rail distribution systems
  • Project management experience
  • Management experience

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.

Official Title: Senior Traction Power Engineer

Primary Location: United States - Los Angeles, CA

Job: Infrastructure

Type of Employment: Full-time

Number of Openings: 1

Schedule: On-site 5 days a week

Base Compensation: $150,000 - $180,000 (Actual compensation is subject to variation due to such factors as education, experience, skillset, and/or location)

Reports to: VP, Rail Systems Engineering

Apply