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Junior Ruby On Rails Developer Jobs in Philadelphia, PA

Sonoma Consulting

Jr. DevOps Engineer

Pennington, NJ

$53.25 - $73/hr

... with DevOps and automation frameworks, including Chef, Jenkins (Team city a plus) - At least 2 ... ruby, or Groovy. - At least 2 years of experience with responsive web applications - Good ...

Sonoma Consulting Inc.

Jr. DevOps Engineer

Pennington, NJ · On-site

$53.25 - $73/hr

... with DevOps and automation frameworks, including Chef, Jenkins (Team city a plus) - At least 2 ... ruby, or Groovy. - At least 2 years of experience with responsive web applications - Good ...

H&H

Senior Structural Engineer

Philadelphia, PA · On-site

$101K - $137K/yr

... junior staff Requirements * BS in Civil Engineering * PE License required (PA or NJ preferred) * A minimum of eight years of Structural Engineering experience with a focus on bridge design (rail ...

H&H

Senior Structural Engineer

Philadelphia, PA · On-site

$101K - $137K/yr

... junior staff Requirements * BS in Civil Engineering * PE License required (PA or NJ preferred) * A minimum of eight years of Structural Engineering experience with a focus on bridge design (rail ...

H&H

Senior Structural Engineer

Philadelphia, PA · On-site

$101K - $137K/yr

... junior staff Requirements * BS in Civil Engineering * PE License required (PA or NJ preferred) * A minimum of eight years of Structural Engineering experience with a focus on bridge design (rail ...

ALMO CORP

Junior Developer

Philadelphia, PA · On-site

$63K - $82K/yr

The Application Developer will work closely with the IT team to write, test, and troubleshoot code, with a primary focus on data integration. Future-Focused Initiatives: Beyond core maintenance, we ...

Artech Information System LLC

UI Developer

Mount Laurel, NJ

$49.50 - $64.25/hr

Possesses a positive attitude, is detail oriented, and collaborates on a regular basis * Ability to ... Serves as a guide and mentor for junior-level Software Developers * Writes unit tests for ...

AECOM

OCS Engineer

Philadelphia, PA · On-site

Serve as part of a team overseeing junior engineers on mid- to large size projects. * Apply knowledge and understanding of rail design, rail operations and construction on or about a railroad ...

AECOM

OCS Engineer

Philadelphia, PA · On-site

Serve as part of a team overseeing junior engineers on mid- to large size projects. * Apply knowledge and understanding of rail design, rail operations and construction on or about a railroad ...

AECOM

Senior Signals Engineer

Philadelphia, PA · On-site

$105K - $144K/yr

... rail projects. Summary: * Provide technical leadership, mentorship, and engineering oversight to mid-level and junior engineers, designers, and CAD staff, including performing QA/QC reviews and ...

AECOM

Senior Signals Engineer

Philadelphia, PA · On-site

$105K - $144K/yr

... rail projects. Summary: * Provide technical leadership, mentorship, and engineering oversight to mid-level and junior engineers, designers, and CAD staff, including performing QA/QC reviews and ...

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How much do junior ruby on rails developer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for junior ruby on rails developer in Philadelphia, PA is $123,223.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,400.00 and $141,800.00 per year, depending on experience, location, and employer.

What is a junior Ruby on Rails developer?

A Junior Ruby on Rails Developer is an entry-level software developer specializing in building web applications using the Ruby on Rails framework. They typically work under the guidance of senior developers, assisting in writing and maintaining code, debugging issues, and implementing new features. Juniors are expected to have a basic understanding of Ruby, Rails conventions, databases, and version control systems like Git. They often collaborate with teams to develop scalable and efficient applications while continuously learning industry best practices. This role serves as a foundation for advancing to more senior development positions.

What does a junior Ruby on Rails developer do?

As a Junior Ruby On Rails Developer, you'll generally spend your days building new features, fixing bugs, and writing tests under the guidance of more experienced engineers. You will regularly collaborate with other developers, product managers, and designers through pair programming, code reviews, and team meetings. Expect to dedicate a portion of your time to learning new best practices and tools, as ongoing education is key early in your career. The work environment is often collaborative and supportive, providing mentorship and feedback to help you grow your technical skills and confidence.

What are the key skills and qualifications needed to thrive as a junior Ruby on Rails developer?

To thrive as a Junior Ruby On Rails Developer, you should have a foundational knowledge of Ruby, Rails framework, web development principles, and basic database design, often supported by a relevant technical degree or coding bootcamp experience. Familiarity with version control systems like Git, testing frameworks such as RSpec, and cloud platforms is highly valued in entry-level roles. Strong problem-solving abilities, a willingness to learn, and effective communication skills help juniors contribute positively to their teams. These competencies empower developers to adapt quickly, collaborate efficiently, and deliver functional web applications in a fast-evolving tech environment.

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Junior Ruby On Rails Developer jobs near you
Infographic showing various Junior Ruby On Rails Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $123,223 per year, or $59.2 per hour.

Track/Rail Designer - Engineer III

Philadelphia, PA

HNTB
Construction • 1 - 5K employees
Learn more about HNTBexternal

Full-time

Re-posted 16 days ago

HNTB rating

9.2

Company rating: 9.2 out of 10

Based on 22 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, including the Susquehanna River Bridge, Long Bridge, Bush and Gunpowder River Bridges, SEPTA Trolley Modifications, Brightline, and more. With our historic growth, it is an exciting time to join our team of employee-owners.
This opportunity entails being responsible for some or all of the following:
Production and modification of design calculations, technical reports, engineering plans and specifications. Consult with the project manager to perform research, development, calculations, design and delivery. 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. Work with a multidiscipline staff to trouble shoot design and construction challenges. As a member of the team, you will contribute to the successful project delivery for a diverse range of projects for HNTB's clients. As part of a national rail team with a large local staff here in Philadelphia, you will get the opportunity to work on local and national projects aimed at transforming rail infrastructure around the country.
You will support transit and railroad projects at all stages from conceptual study and alternative analysis to final design and construction related services. Types of projects may include interlocking renewals, bridge replacements, new track construction, and station designs for Amtrak, SEPTA, PATCO, PATH, Pittsburgh Regional Transit, PennDOT and other national rail clients throughout the United States. Opportunities can include client interaction and marketing/proposal development. The Pennsylvania office had a diverse set of engineers at all levels and railroad disciplines allowing hands on learning from junior and senior staff for track, OCS, signals, power, structures, civil and more.
Candidates with passenger or freight rail experience are preferred, but willing to discuss a career with someone with Civil/Highway experience with knowledge of OpenRoads / InRoads / Civil3D that has a desire to pivot towards a career in Track / Rail design.

What You'll Do:

  • Completes assigned work within the schedule and number of hours provided.
  • Assist in the development of project specifications.
  • Responsible for development of discipline specific engineering project elements/deliverables such as reports, designs, and plans.
  • Aids in the coordination and productivity of project team members.
  • Provides technical guidance to less experienced engineering project team members.
  • Works closely with other disciplines and on multi-discipline projects.
  • Performs quality control reviews of discipline - specific engineering project elements/deliverables.
  • Assists with coordination and planning of schedules, hours, and distribution of work within discipline.
  • Performs other duties as assigned.

What You'll Need:

  • Bachelor's degree in Engineering and 4 years of relevant experience, or
  • Master's degree in Engineering and 3 year of relevant experience, or
  • PhD in Engineering and 2 years of relevant experience

What You'll Bring:

  • Strong communication skills to work with our team and the client.
  • Understands the impacts of decisions on technical design and work planning.
  • Exhibiting experience with OpenRail, MicroStation/PowerRail and/or AutoCad.
  • Understanding of track/railroad design.
  • Managing time, proactively forecasting, and communicating project development needs.

What We Prefer:

  • Engineer in Training (EIT) certification
  • Professional Engineer (PE) certification

Additional Information

Click here for benefits information: HNTB Total Rewards

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

Visa sponsorship is available for this position.#CB #TransitAndRail

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Locations:

King of Prussia, PA (Norristown), Philadelphia, PA (Pennsylvania)

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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.

Industry

Construction

Company size

1,001 - 5,000 Employees

Headquarters location

Kansas City, MO, US

Year founded

1914

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