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Junior Rails Developer Jobs in California (NOW HIRING)

Rail Lead

Irvine, CA

$300K - $380K/yr

Rail Lead Arcadis is the world's leading company delivering sustainable design, engineering, and ... Mentor junior engineers and support staff, fostering technical excellence and knowledge sharing.

Rail Lead

Los Angeles, CA ยท 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.

Rail Lead

Los Angeles, CA ยท 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.

Rail Lead

Los Angeles, CA ยท 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.

Rail Lead

Los Angeles, CA ยท 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.

Rail Lead

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.

Project Director - Rail Transit

Los Angeles, CA ยท 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 ...

Project Director - Rail Transit

Los Angeles, CA ยท 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 ...

Project Director - Rail Transit

Los Angeles, CA ยท 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 ...

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 ...

Senior CADD Technician

Rancho Cucamonga, CA ยท On-site

$64.99K - $73.86K/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 ...

Senior CADD Technician

Rancho Cucamonga, CA ยท Hybrid

$64.99K - $73.86K/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 ...

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 ...

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 ...

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Showing results 1-20

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 4, 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 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 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 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 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 cities in California are hiring for Junior Rails Developer jobs? Cities in California with the most Junior Rails Developer job openings:
Senior Rail Track Engineer

Senior Rail Track Engineer

Aztec Engineering Group, Inc,

Irvine, CA โ€ข On-site

$112.20K - $154K/yr

Full-time

Medical, Dental, Life, Retirement

This job post hasย expired today.ย Applications are no longer accepted.


Job description

We are currently seeking resumes from qualified, responsible, self-sufficient, Senior Rail Track Engineer's for our our offices in California (Sacramento and Irvine). The ideal candidate will be motivated to develop and build their personal knowledge and skills to assist with the growth and success of the office. We offer a friendly, professional atmosphere with excellent benefits and a salary commensurate with experience.
Job Description:
The Senior Rail Track Engineer will lead a quality production of track geometry design per client's design standards and specifications, using either MicroStation InRoads, MicroStation PowerRail, MicroStation Openrail or AutoCAD Civil 3D design software. This position works closely with design engineering manager and track design manager to develop project specific documents, schedule of quantities, cost estimate, bid items, specifications, technical reports. The preferred candidate is self-motivated, technically proficient and team oriented; possesses strong written and verbal communication skills; is willing to mentor and guide junior engineer staff; and is receptive to continuous improvements.
Duties:

  • Produce track geometry design plans and specification. design calculations, quantities, cost estimates, and specifications
  • Lead and provide a high-quality track geometry and track design on budget and schedule with a high level of customer satisfaction
  • Manage the track plans production schedule and proactively forecast and communicate project development status
  • Perform QA/QC on each deliverable per project specific QA/QC procedure and establish project quality expectations among team members
  • Collaborate with track design manager to implement best practices related to track design and other disciplines.
  • Conduct team meetings and attend project team meetings
  • Draft and submit project work plan including schedule, budget and resource
  • Support the design engineering manager and track design manager through the entire project
  • Collaborate with other disciplines during project design phase (e.g. Design Principle, Detail Design)
  • Supervise and mentor junior engineer staff and provide input on their performance while serving as track design lead role
  • Provide technical guidance to less experienced engineer staff
  • Delegate tasks and responsibilities to appropriate project team members
  • Support planning and reviewing of project schedule
  • Support International Group Railway Department in overseas projects
  • Understanding of project contract, project design standards, client's standards
  • Perform other duties as assigned
Job Qualifications (Education, Experience, and Skills):
  • Minimum of a bachelor's degree in civil engineering or equivalent
  • Minimum of 10 years of experience in track geometry and track design
  • Experience with local and national standards (AREMA, CPUC, etc). Knowledge of High-Speed Rail standards is a plus
  • Experience with local public authorities (Metrolink, LA Metro, Amtrak, CAHSR, etc)
  • Proficiency with either MicroStation Inroads, MicroStation PowerRail, MicroStation Openrail or AutoCAD Civil 3D design
  • P.E license in California and other states is a plus
  • Experience with Microsoft 365 Office
  • Experience with Primavera, ProjectWise, BIM and 3D modeling software is a plus
  • Valid Driver's License, with the ability to maintain insurability under the company's insurance carrier
Competencies (To perform the job successfully, an individual should demonstrate the following competencies):
  • Communicative - interacts openly with others; can maintain relationships, works well independently or with a team.
  • Consultative - Consults with other disciplines as needed; tolerates different perspectives or opinions.
  • Decisive & Action Oriented - Has a high level of energy and stamina; gets things done; makes sound educated but rapid decisions even when short of information; enjoys managing challenging projects and works well in fast-paced and pressure environments. Self-motivated and proactive
  • Flexible - Adapts to new challenges and circumstances; able to multi-task; thrives on variety and frequently changing environments; creative problem solver. Resourcefulness, with minimal direction.
  • Analytical - Uses sound data, and procedures, and follows all laws, rules, and regulations but is a solutionist or problem-solver.
  • Conscientious and Organized - Believes professional integrity is paramount; understands the importance of project records; responsive to clients and deadline oriented; quality oriented.
Working Conditions and Environment: This position will require general supervision and will have to use independent judgment within established guidelines. Generally uses the advanced knowledge to analyze, interpret, or make deductions from varying facts or circumstances. Will need the ability to establish rapport quickly with others working on the same project, and be able to promote a positive team environment. Working knowledge of dealing with a diverse population while using tact, diplomacy, and respect. TYPSA, Inc. Culture:
  • Thinking toward future company and personal growth
  • Yielding equity, inclusion, and diversity
  • Passionate supporter of clients and teammates
  • Shared comradery
  • Action oriented and flexible
TYPSA, Inc. Benefits: TYPSA, Inc. offers competitive salaries and a comprehensive benefits package, including medical, dental, life insurance, short and long-term disability, flexible spending accounts, Paid-time-Off, and a 401(k) plan. TYPSA, Inc. Overview: TYPSA in the United States is a multi-discipline engineering and environmental consulting firm assisting public and private clients in planning, developing, designing, constructing, and maintaining critical infrastructure projects across the United States. With offices in Arizona and California, TYPSA provides local expertise with the backing of a global network. Originally established in 1992 as AZTEC Engineering Group, Inc., the company began as a two-person DBE firm and grew into a trusted corporation serving clients nationwide. In 2006, AZTEC joined TYPSA Group, an international leader in engineering, architecture, and environmental consulting headquartered in Spain with more than 60 offices worldwide. Today, as TYPSA in the United States, we proudly carry forward the AZTEC legacy while connecting our clients to the resources, innovation, and international experience of the TYPSA Group. This integration allows us to deliver tailored local solutions with the depth and reach of a global firm. TYPSA, Inc. is an Equal Opportunity Employer committed to affirmative action planning and encourages diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, religion, color, sex, sexual orientation, gender identity, national origin, ancestry, disability, marital status, veteran status, housing status, or any other non-job-related characteristic under applicable law. Please apply online at www.typsa.us/career.