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Remote Ruby Rails Developer Contract Jobs in Philadelphia, PA

Mondo

Cloud Platform DevOps Engineer

Elsmere, DE · Remote

$80 - $90/hr

Apply now: Cloud Platform DevOps Engineer, Remote/Hybrid. Start date is ASAP for this contract position. Job Title: Cloud Platform DevOps Engineer Location-Type: East Coast Remote/Hybrid to ...

GFT.

Principal Designer - Signals

Audubon, PA · On-site +1

$180K - $195K/yr

The Senior Rail Signal Engineer will produce preliminary and final designs for a wide variety of ... Hybrid (in-person and remote) work environment. * Comprehensive benefits package including wellness ...

GFT.

Principal Designer - Signals

Audubon, PA · On-site +1

$180K - $195K/yr

The Senior Rail Signal Engineer will produce preliminary and final designs for a wide variety of ... Hybrid (in-person and remote) work environment. * Comprehensive benefits package including wellness ...

LinQ Global

Mobile Developer

Philadelphia, PA · Remote

$58/hr

Remote Type: 2-Month Contract Job Summary We are seeking a Senior Mobile Developer to lead the architectural evolution of the in-house integrated Information and healthcare facilities management ...

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How much do remote ruby rails developer contract jobs pay per year?

As of Aug 5, 2026, the average yearly pay for remote ruby rails developer contract 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.
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Remote Ruby Rails Developer Contract jobs near you
Infographic showing various Remote Ruby Rails Developer Contract job openings in Philadelphia, PA as of June 2026, with employment types broken down into 95% Full Time, 3% Part Time, 1% Temporary, and 1% Contract. Highlights an 51% Physical, 3% Hybrid, and 46% Remote job distribution, with an average salary of $123,223 per year, or $59.2 per hour.

Technical Advisor - Rail & Transit Signals and Train Control

HNTB

Philadelphia, PA • On-site, Remote

$117K - $117K/yr

Full-time

Posted 17 hours ago

Posted today

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. With our historic growth, it is an exciting time to join our team of employee-owners.
This opportunity entails being responsible for supporting rail projects in area of technical specialty which may include, positive train control, track/crossing design, office design, communications, onboard, signaling, OSC, and traction power systems.
The Technical Advisor serves as a senior subject matter expert responsible for providing technical leadership, design oversight, field support, and quality assurance for railroad and transit signaling and train control projects. The position supports projects through all phases of delivery including planning, design, procurement, construction, testing, cutover, and commissioning. The Technical Advisor provides independent technical reviews, mentors engineering staff, supports client interactions, and serves as a key resource for resolving complex technical issues encountered during both design and field implementation.

What You'll Do:

  • Coordinates design, development and/or assists in providing technical direction to the scope of projects; provides senior-level technical expertise on rail transit projects associated with conceptual engineering, detailed engineering designs, and preparation of contracts for construction.
  • Responsible for the design and calculation work for one or more of the following specialty areas: track design, signal systems, communication systems, OSC, traction power systems.
  • Completes a variety of rail engineering project elements such as bid documents including proposals and estimations, reports, designs, specifications and plans.
  • Oversees the development of conceptual and final design-level track alignment plans, typical sections, cross sections, track charts, track details and specifications.
  • Provides technical guidance to earlier career or less experienced rail staff, may oversee work and direct tasks.
  • Performs other duties as assigned.

What You'll Need:

  • Bachelor's degree in relevant field and 8 years of relevant experience, or
  • In lieu of degree, 12 years of relevant experience

What You'll Bring:

  • Ability to work independently.
  • Ability to make sound decisions based on site field conditions.
  • RWP qualified or capable of receiving training.
  • Ability to work successfully and professionally with client contacts
  • May need to work weekends and night
  • Extended travel to project sites and offices located outside of the employee's home office may be required.

What We Prefer:

  • Railroad industry experience

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.#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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Benefits

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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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