1

Junior Rails Developer Jobs in Chicago, IL (NOW HIRING)

Senior Track Engineer

Chicago, IL · On-site +1

$107K - $147K/yr

Rail, ties, ballast, and subgrade systems * Yard and siding layouts * At-grade crossings * Prepare ... Mentor junior engineers and technical staff. * Participate in client meetings, presentations, and ...

Senior Traction Power Engineer

Chicago, IL · Hybrid

$107K - $147K/yr

... rail and transit, tunnels, and water. Want to be part of the creation and construction of our ... Lead a group of junior electrical engineers to develop traction power design packages * Design ...

Senior Traction Power Engineer

Chicago, IL · Hybrid

$107K - $147K/yr

... rail and transit, tunnels, and water. Want to be part of the creation and construction of our ... Lead a group of junior electrical engineers to develop traction power design packages * Design ...

Senior Traction Power Engineer

Chicago, IL · On-site

$107K - $147K/yr

... rail and transit, tunnels, and water. Want to be part of the creation and construction of our ... Lead a group of junior electrical engineers to develop traction power design packages * Design ...

Developer Sr

Evanston, IL · On-site

$81/hr

Provides input to performance evaluations for junior team members. Miscellaneous Performed other ... Experience developing modern web applications using PHP/Laravel, Ruby on Rails, or similar MVC ...

Work primarily in Ruby on Rails or Python, showcasing proficiency and contributing to high-quality ... Support junior engineers through guidance and collaboration, fostering a culture of continuous ...

Work primarily in Ruby on Rails or Python, showcasing proficiency and contributing to high-quality ... Support junior engineers through guidance and collaboration, fostering a culture of continuous ...

Work primarily in Ruby on Rails or Python, showcasing proficiency and contributing to high-quality ... Support junior engineers through guidance and collaboration, fostering a culture of continuous ...

Work primarily in Ruby on Rails or Python, showcasing proficiency and contributing to high-quality ... Support junior engineers through guidance and collaboration, fostering a culture of continuous ...

Sr AI Solution Engineer

Chicago, IL · On-site

$57 - $73.50/hr

... railing products. Our family of trusted brands includes Hardie ® , TimberTech ® , AZEK ® ... Mentor junior AI engineers and contribute to team knowledge sharing. * Support AI solution ...

RailPros is the premier provider of engineering and diversified safety services to America's rail ... Experience developing and leading design teams and mentoring junior engineers Preferred Education ...

RailPros is the premier provider of engineering and diversified safety services to America's rail ... Experience developing and leading design teams and mentoring junior engineers Preferred Education ...

next page

Showing results 1-20

Junior Rails Developer information

See Chicago, IL salary details

$24.7K

$91.7K

$141.8K

How much do junior rails developer jobs pay per year?

As of Jun 25, 2026, the average yearly pay for junior rails developer in Chicago, IL is $91,730.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,100.00 and $89,700.00 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.
Senior Track Engineer

Senior Track Engineer

Lochner

Chicago, IL • On-site, Remote

$107K - $147K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 15 days ago


Job description

Lochner is seeking an experienced Senior Track Engineer to lead the planning, design, rehabilitation, and maintenance support of railroad track infrastructure projects throughout Illinois and across the nation.  This role requires technical leadership in track geometry, rail systems, alignment, track drainage, and construction phasing for freight, passenger, commuter, or transit rail projects.

The Senior Track Engineer will collaborate with multidisciplinary engineering teams, clients, contractors, and regulatory agencies to deliver safe, cost-effective, and compliant rail infrastructure solutions

Your impact: 

  • Lead the design and engineering of railroad track systems, including:
    • Horizontal and vertical alignments
    • Turnouts and crossovers
    • Rail, ties, ballast, and subgrade systems
    • Yard and siding layouts
    • At-grade crossings
  • Prepare and review:
    • Construction drawings
    • Technical specifications
    • Engineering calculations
    • Cost estimates
    • Bid documents and design reports
  • Perform track geometry analysis and develop rehabilitation or maintenance recommendations.
  • Coordinate with civil, structural, drainage, signal, and transportation engineering teams.
  • Provide technical oversight for rail improvement, expansion, and rehabilitation projects.
  • Support construction activities through:
    • Shop drawing reviews
    • RFIs and submittals
    • Site inspections
    • Field engineering support
  • Ensure compliance with:
    • FRA regulations
    • AREMA standards
    • State DOT requirements
    • Client design standards
  • Manage project schedules, budgets, and deliverables.
  • Mentor junior engineers and technical staff.
  • Participate in client meetings, presentations, and business development activities.

Who you are:

  • Bachelor’s degree in Civil Engineering or related engineering discipline.
  • 8+ years of railroad or track engineering experience.
  • Professional Engineer (PE) license required or ability to obtain in Illinois.
  • Strong knowledge of:
    • AREMA standards
    • Railroad design practices
    • Track alignment and geometry
    • Rail construction methods
    • Track maintenance principles
  • Experience using engineering software such as:
    • AutoCAD Civil 3D
    • MicroStation
    • OpenRail Designer
    • GIS and survey tools
  • Strong project management and communication skills.
  • Ability to travel to project sites throughout Illinois and neighboring states as needed.

Preferred Qualifications:

  • Metra experience preferred
  • Experience with Class I railroads, commuter rail, or transit agencies.
  • Design-build project experience.
  • PMP certification or project management experience.
  • Familiarity with rail yard design and drainage systems.
  • Experience leading multidisciplinary transportation projects.

About Lochner

Founded in 1944, Lochner is a trusted infrastructure services provider for aviation, surface transportation and water clients who need high-quality, forward-looking solutions to complex challenges. Our vision is to become a Top 100 leader in the A/E industry, centered on an agile, engaged, and empowered workforce coming together to embrace the art of the possible and make a lasting difference in our world.

Are you ready to join us on this journey?

As a people-centric company, Lochner’s purpose is to empower our team to put their knowledge to work, enhancing communities across the US. To achieve this, we hire candidates of all experiences and skillsets because amazing things happen when people with diverse backgrounds come together to solve problems. We believe collaboration is more than a buzz word — it is a guiding principle in which every point of view is valued and heard and is the driving force in delivering our best work. At all levels of the organization, we foster an entrepreneurial spirit and culture of autonomy to advance our strategic vision and continually seek our next success story.  Lochner – learn more about us

Joining Lochner means gaining access to a comprehensive suite of benefits designed to support your health and financial well-being throughout your career.

Lochner provides an extensive total rewards package (Benefits available for FT Employees) that includes:

  • Competitive Premiums for Medical, Dental, and Vision
  • Paid Time Off and Flexible Holiday Program
  • Company Paid Disability (includes paid Maternity Leave), and Life Insurance
  • Health Savings Accounts (HSA) with Employer Contribution
  • Flexible Spending Accounts (FSA) for Medical Expenses and/or Dependent Care
  • Paid Family Leave
  • Retirement Savings Plan with Employer Match 
  • Flexible Work Schedules (Hybrid or Remote, when possible)
  • Wellness Program for Physical and Mental Health
  • Lochner Cares Non-Profit 501c3
  • Education and Training Assistance
  • Employee Assistance Program
  • Employee Discounts
  • Paid Time Off for Charitable Acts of Service

What we offer – Learn more

Work Environment

The work environment characteristics described are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly exposed to moving mechanical parts and outside weather conditions. The noise level in the work environment is usually loud. 

Physical Requirements

The physical requirements must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. Intermittent sitting, walking, standing, bending, squatting, climbing, kneeling, twisting, stoop, crawl, and lifting. The employee must frequently lift and/or move light equipment up to 20 pounds. Must be alert to equipment in the field, occasional need to work near hazardous equipment and machinery, occasional need to walk on uneven ground, exposure to dust, gas or fumes, exposure to noise, extremes in temperature or humidity, and potential work at heights. 

Equal Employer

Lochner is proudly committed to recruiting and retaining a diverse and inclusive workforce.  Lochner provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

All positions at Lochner require an applicant who has accepted an employment offer to undergo pre-employment screening. Background checks include SSN/SIN validation, motor vehicle verification, education verification, employment verification, criminal check, search against global sanctions and government watch lists, and drug tests. All employment offers are contingent upon successful results of the pre-employment screening.

California Privacy Policy

Privacy Policy