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Ruby On Rails Contractor Jobs in Flemington, NJ (NOW HIRING)

Hill International

Resident Engineer

Philadelphia, PA · On-site

$99K - $127K/yr

Ensure job site safety by observing contractor operations and traffic conditions, making ... Experience as a Resident Engineer, Construction Manager, or Project Manager on rail projects.

Hill International

Resident Engineer

Philadelphia, PA · On-site

$99K - $127K/yr

Experience as a Resident Engineer, Construction Manager, or Project Manager on rail projects ... Ensure job site safety by observing contractor operations and traffic conditions, making ...

Eco-Energy

Terminal Operator

Philadelphia, PA · On-site

$23/hr

... railroad and regulatory agencies; • Coordinate with corporate employees on inventory management, operational costs, maintenance, etc; • Provide routine maintenance and oversee contractor repairs ...

AECOM

Signals Discipline Lead

Philadelphia, PA · On-site

Whether improving your commute, keeping the lights on, providing access to clean water, or ... Lead the planning, design, and delivery of rail and transit signal systems through conceptual ...

AECOM

Signals Discipline Lead

Philadelphia, PA · On-site

Whether improving your commute, keeping the lights on, providing access to clean water, or ... Lead the planning, design, and delivery of rail and transit signal systems through conceptual ...

AECOM

Signals Discipline Lead

Philadelphia, PA · On-site

Whether improving your commute, keeping the lights on, providing access to clean water, or ... Lead the planning, design, and delivery of rail and transit signal systems through conceptual ...

AECOM

Senior Signals Engineer

Philadelphia, PA · On-site

$105K - $144K/yr

Whether improving your commute, keeping the lights on, providing access to clean water, or ... Interface with clients, railroads, contractors, regulatory agencies, and project stakeholders while ...

AECOM

Senior Signals Engineer

Philadelphia, PA · On-site

$105K - $144K/yr

Whether improving your commute, keeping the lights on, providing access to clean water, or ... Interface with clients, railroads, contractors, regulatory agencies, and project stakeholders while ...

AECOM

Senior Signals Engineer

Philadelphia, PA · On-site

$105K - $144K/yr

Whether improving your commute, keeping the lights on, providing access to clean water, or ... Interface with clients, railroads, contractors, regulatory agencies, and project stakeholders while ...

Herzog

Structures Superintendent

Philadelphia, PA · On-site

Overview Herzog Contracting Corp. is currently seeking a Structures Superintendent in Philadelphia ... Able to walk on uneven surfaces. * Occasionally ascend/descend step ladders and/or stairs.

Herzog

Structures Superintendent

Philadelphia, PA

Overview Herzog Contracting Corp. is currently seeking a Structures Superintendent in Philadelphia ... Able to walk on uneven surfaces. * Occasionally ascend/descend step ladders and/or stairs.

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All JobsRuby On Rails Contractor JobsRuby On Rails Contractor Jobs in Flemington, NJ

Ruby On Rails Contractor information

See Flemington, NJ salary details

$25.8K

$123.4K

$173.4K

How much do ruby on rails contractor jobs pay per year?

As of Sep 3, 2026, the average yearly pay for ruby on rails contractor in Flemington, NJ is $123,441.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,600.00 and $142,000.00 per year, depending on experience, location, and employer.

What is a Ruby on Rails contractor?

Ruby on Rails contractors are professionals who specialize in building web applications using the Ruby on Rails framework. They are typically hired on a contract basis, either for short-term projects, specific features, or to augment in-house development teams. These contractors handle tasks such as backend development, API integration, database management, and sometimes front-end work, all centered around the Rails ecosystem. Their expertise allows businesses to rapidly develop, maintain, or upgrade web applications efficiently.

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

To thrive as a Ruby On Rails Contractor, you need strong programming skills in Ruby, expertise in the Rails framework, and a solid understanding of web application architecture, typically backed by experience or a relevant degree. Familiarity with tools like Git, PostgreSQL/MySQL, RESTful APIs, and deployment platforms such as Heroku or AWS is often required. Excellent problem-solving, time management, and communication skills help contractors efficiently collaborate with clients and teams. These skills ensure high-quality, maintainable code and successful project delivery in competitive, fast-paced environments.

What are some common challenges Ruby on Rails contractors face when joining a new development team?

Ruby On Rails Contractors often need to quickly adapt to existing codebases and team workflows, which can pose challenges if documentation is sparse or coding standards differ. Additionally, contractors must rapidly build rapport with permanent team members to ensure smooth collaboration, particularly in agile environments. Balancing multiple projects or client expectations can also require strong time management and communication skills. Being proactive about asking questions and clarifying requirements can help overcome these hurdles and contribute effectively from the start.

What is the difference between Ruby On Rails Contractor vs Ruby On Rails Developer?

AspectRuby On Rails ContractorRuby On Rails Developer
CredentialsTypically no formal certification required, but experience is keyOften holds a degree or certification in computer science or related fields
Work EnvironmentFreelance, project-based, often remoteFull-time or part-time employment within a company or agency
Employer & Industry UsageHired by various clients across industries for specific projectsEmployed by companies to develop and maintain applications
Search & Comparison IntentLooking for flexible, short-term project workSeeking ongoing, in-house or remote development roles

In summary, a Ruby On Rails Contractor is typically a freelance professional hired for specific projects, offering flexibility and diverse experience. A Ruby On Rails Developer usually works as a full-time employee, focusing on long-term application development within a company. Both roles require strong Rails skills but differ mainly in employment type and work setup.

What cities near Flemington, NJ are hiring for Ruby On Rails Contractor jobs?

Cities near Flemington, NJ with the most Ruby On Rails Contractor job openings:

Ruby On Rails Contractor jobs near you

Sr. Project Engineer - Railway and Transit (Signals & Train Control Design)

HNTB

Philadelphia, PA

$105K - $144K/yr

Full-time

Re-posted 3 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. With our historic growth, it is an exciting time to join our team of employee-owners.
We are seeking a seasoned Sr. Project Engineer to lead the engineering and delivery of complex rail and transit signaling and train control systems for freight, commuter, intercity, heavy-rail, and light-rail clients. In this senior technical leadership role you will direct the design, production, and review of vital and non-vital signal circuit designs, interlocking schemes, control tables, route and aspect charts, braking calculations, phasing plans, schematics, specifications, procurement packages, and cost estimates. You will provide technical oversight and mentorship across multi-disciplinary teams, ensuring compliance with AREMA, FRA, MUTCD, NFPA, IEEE and client standards, while integrating signaling and train control technology (CBTC, PTC, ATC, cab signaling, wayside signaling, and microprocessor-based and relay-based interlockings) with civil, track, traction power, and communications disciplines.
This role offers the opportunity to lead high-profile programs for railroads and major transit agencies, contribute to proposal pursuits and business development, mentor the next generation of signal engineers, and shape the technical direction of HNTB's rail and transit signals practice.

What You'll Do:

  • Uses senior-level technical expertise to consider broad range of engineering solutions.
  • Responsible for the discipline-specific planning, work distribution, and leadership and adherence to the schedule, and budget on complex or unusual engineering projects.
  • Assists in marketing responsibilities, including proposal generation.
  • Develops scope of work and level of effort and manages adherence to scope and budget on complex or unusual engineering projects within discipline.
  • Oversees completeness and accuracy of project team's work within the technical discipline.
  • Provides technical guidance and mentoring to team members to achieve overall project objectives on complex or unusual engineering projects.
  • Coordinates technical aspects of the project with client counterpart and teaming partners at staff level for work within the discipline on complex or unusual engineering projects.
  • Leads discipline delivery on larger, multi-disciplinary projects. Works closely with other disciplines on multi-discipline projects.
  • Assists with coordination and planning of schedules, hours, and distribution of work for other disciplines on multi-discipline projects on complex or unusual engineering projects
  • Performs other duties as assigned.

What You'll Need:

  • Bachelor's degree in Engineering and 8 years of relevant experience, or
  • Master's degree in Engineering and 7 years of relevant experience, or
  • PhD in Engineering and 6 years of relevant experience

In addition to the minimum education and experience requirements, the ideal candidate will bring:

  • 12+ years of progressive experience in railroad/transit signaling and train control system design in a consulting environment.

  • Demonstrated leadership of multi-disciplinary design teams, including scope, schedule, budget, and QA/QC management on complex signal/train control projects.

  • Working knowledge of vital logic design and programming (Boolean and ladder logic) on platforms such as VHLC, MicroLok II (MLK-II), and ElectroLogIXS.

  • Familiarity with interlocking simulation and development tools such as SATS, Vitalsim, or equivalent.

  • Hands-on experience producing scheme plans, books of plans for interlockings, grade crossings, control lines, route and aspect charts, and typical installation drawings using AutoCAD and/or MicroStation.

  • Working knowledge of Solid-State Interlocking (SSI), cab signaling, digital and conventional block signaling, and at-grade highway-rail grade crossing warning systems.Familiarity with PTC and CBTC systems.

  • Familiarity with AREMA Communications & Signals Manual, FRA Part 234/235/236, MUTCD, NFPA, and Amtrak / SEPTA / NJ Transit / MARC / PRT / standards and operating rules.

  • Familiaritywith data communications, fiber optics, and wired/wireless protocols supporting signal and train control systems.

  • Experience preparing engineering cost estimates, fee proposals, and level-of-effort breakdowns for signal/train control pursuits.

  • Strong written and verbal communication skills, with the ability to present and defend designs to agency clients, contractors, and regulatory stakeholders.

  • Professional Engineer (PE) license in one or more U.S. states strongly preferred but not required.

  • AREMA committee participation, technical publications, or recognized industry contributions a plus.

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:

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

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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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