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Junior Rails Developer Jobs in New Jersey (NOW HIRING)

HNTB

Project Engineer- Communication Systems

Newark, NJ · On-site

$95K - $187K/yr

May mentor, train and review work of junior engineer staff and provide constructive feedback ... Technical knowledge of rail systems (Comms, Signal, Traction Power) and phasing/staging of rail ...

Dewberry

Geotechnical Staff Engineer

Bloomfield, NJ

Collaborates with both junior and senior level staff to accomplish goals * BS in Civil Engineering ... Rail and alternate project delivery experience a plus. * Successful completion of the Fundamentals ...

Dewberry

Geotechnical Staff Engineer

Bloomfield, NJ · On-site

$88K - $113K/yr

Collaborates with both junior and senior level staff to accomplish goals Required Skills & Required ... Rail and alternate project delivery experience a plus. * Successful completion of the Fundamentals ...

Trilon Group

Senior Architect

Carteret, NJ · On-site

$140K - $170K/yr

... engineering company with offices in New York and New Jersey. Our continued growth in this highly ... The Senior Architect will lead design and coordination efforts for large-scale infrastructure, rail ...

Worldsensing

Software Engineer

Bridgeport, NJ · Hybrid

... rail and critical infrastructure management. With over 3,000+ networks deployed worldwide and ... Mentor and guide junior developers both in technical and soft-skill matters. * Perform code reviews ...

Tutorperini

Project Engineer _ Steel

Newark, NJ · On-site

... Rail in San Francisco, and multiple airport expansions and bridge projects. At Tutor Perini Civil ... Provide technical guidance and training to junior engineers and field staff on steel construction ...

Tutor Perini

Project Engineer _ Steel

Newark, NJ · On-site

... Rail in San Francisco, and multiple airport expansions and bridge projects. At Tutor Perini Civil ... Provide technical guidance and training to junior engineers and field staff on steel construction ...

Parsons

Senior Estimator - Rail and Transit

Newark, NJ · On-site

$108K - $190K/yr

Bachelor's degree in Engineering or Construction Management or Equivalent Industry Experience * 15 ... Experience mentoring junior staff * Able to travel to meet project needs Security Clearance ...

ConnectiveRx

Sr. Analyst, IT QA

Whippany, NJ

... junior team members and influencing engineering best practices. This role combines hands-on testing ... NET, Python applications and SQL Server backend DB is required but Javascript, Ruby on Rails is ...

ConnectiveRx

Sr. Analyst, IT QA

Whippany, NJ

... junior team members and influencing engineering best practices. This role combines hands-on testing ... NET, Python applications and SQL Server backend DB is required but Javascript, Ruby on Rails is ...

ConnectiveRx

Sr. Analyst, IT QA

Whippany, NJ · On-site

$61K - $102K/yr

... junior team members and influencing engineering best practices. This role combines hands-on testing ... NET, Python applications and SQL Server backend DB is required but Javascript, Ruby on Rails is ...

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Junior Rails Developer information

See New Jersey salary details

$24.4K

$90.3K

$139.6K

How much do junior rails developer jobs pay per year?

As of Jun 9, 2026, the average yearly pay for junior rails developer in New Jersey is $90,331.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,000.00 and $88,300.00 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 New Jersey? For Junior Rails Developer jobs in New Jersey, the most frequently searched job titles are:
What job categories do people searching Junior Rails Developer jobs in New Jersey look for? The top searched job categories for Junior Rails Developer jobs in New Jersey are:
What cities in New Jersey are hiring for Junior Rails Developer jobs? Cities in New Jersey with the most Junior Rails Developer job openings:
Junior Rails Developer jobs near you
Infographic showing various Junior Rails Developer job openings in New Jersey as of June 2026, with employment types broken down into 93% Full Time, 5% Part Time, and 2% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $90,331 per year, or $43.4 per hour.
Project Engineer- Communication Systems

Project Engineer- Communication Systems

HNTB

Newark, NJ • On-site

$95K - $187K/yr

Full-time

Posted 18 days ago

HNTB rating

9.2

Company rating: 9.2 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

Job description

What We're Looking For

At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For more than a century, we have been delivering solutions for some of the largest, most complex infrastructure projects across the country. With our historic growth, it is an exciting time to join our team of employee-owners.
This opportunity entails being responsible for the production and modification of design calculations, technical reports, performance requirements, engineering plans and specifications for assigned projects. This position consults with the project manager to perform research, development, calculations, design and delivery. Applies engineering techniques, procedures and design criteria for projects ranging in size and complexity. Leverages technical knowledge and experience to address design related issues or concerns, working closely with the project manager through creative problem solving, interactions with clients and by completing tasks to meet the project schedule. Develops conceptual and detailed designs and calculations to support the project completion using current drawing and technical tools, programs and software. May mentor, train and review work of junior engineer staff and provide constructive feedback. Completes various tasks and duties self-sufficiently including but not limited to research, data collection, field investigations, development, and design of projects. As a member of the team, you will contribute to the successful project delivery for a diverse range of projects for HNTB's clients

What You'll Do:

  • Responsible for the planning and distribution of discipline-specific work, and adherence to the schedule and budget on projects.
  • Assists in marketing responsibilities, including proposal generation.
  • Assists with the development of scope of work and level of effort for projects and/or assignments within discipline.
  • Oversees completeness and accuracy of project team's work within the technical discipline. Guides and mentors team to overall project objectives.
  • Coordinates technical aspects of project with client counterpart and teaming partners at staff level for work within the discipline.
  • Works closely with other disciplines on multi-discipline projects.
  • Performs other duties as assigned.

What You'll Need:

  • Bachelor's degree in Engineering and 6 years of relevant experience, or
  • Master's degree in Engineering and 5 years of relevant experience, or
  • PhD in Engineering and 4 years of relevant experience

What You'll Bring:

  • Experience with design of fiber optic and copper communications cabling and rail station systems such as: Public Address, Electronic Signage, CCTV, Access Control
  • Strategic thinker with demonstrated collaboration skills and the ability to work effectively in a team environment
  • Technical knowledge of rail systems (Comms, Signal, Traction Power) and phasing/staging of rail systems and infrastructure projects
  • Experience with NY Metro Rail clients (MTA, NJT, Amtrak, PATH)

What We Prefer:

  • Master's degree in Engineering
  • 8 years relevant experience
  • Professional Engineer (PE) certification
  • American Institute of Certified Planners (AICP) certification (depending on discipline)

Additional Information

Click here for benefits information: HNTB Total Rewards

Click here to learn more about Equal Opportunity Employer/Disability/Veteran

Visa sponsorship is not available for this position.#AS #TransitAndRail

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Locations:

Newark, NJ, New York, NY, White Plains, NY (Westchester Hudson Valley)

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The approximate pay range for New York is $95,991.51 - $187,675.71. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Actual compensation will be dependent on factors, including but not limited to, the individual's qualifications, experience, knowledge, skills, and abilities as well as physical work location within the state.

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The approximate pay range for New Jersey is $105,590.66 - $180,168.68. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Actual compensation will be dependent on factors, including but not limited to, the individual's qualifications, experience, knowledge, skills, and abilities as well as physical work location within the state.

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The approximate nation wide pay range for this position is $95,991.51 - $187,675.71. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Actual compensation will be dependent on factors, including but not limited to, the individual's qualifications, experience, knowledge, skills, and abilities as well as physical work location within the state.

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NOTICE TO THIRD-PARTY AGENCIES:

HNTB does not accept unsolicited resumes from recruiters or agencies. Any staffing/employment agency, person or entity that submits an unsolicited resume to this site does so with the understanding that the applicant's resume will become the property of HNTB. HNTB will have the right to hire that applicant at its discretion and without any fee owed to the submitting staffing/employment agency, person or entity. Staffing/employment agencies who have fee agreements with HNTB must submit applicants to the designated HNTB recruiter to be eligible for placement fees.

What HNTB employees say

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About HNTB

Sourced by ZipRecruiter

At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For more than a century, we have been delivering solutions for some of the largest, most complex infrastructure projects across the country. With our historic growth, it is an exciting time to join our team of employee-owners.

Company size

1,001 - 5,000 Employees

Headquarters location

Kansas City, MO, US

Year founded

1914

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