ZipRecruiter

Log In

1

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

James Hardie

Sr AI Solution Engineer

Chicago, IL

$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 ...

James Hardie

Sr AI Solution Engineer

Chicago, IL

$57 - $73.50/hr

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

Hansoninc

Geotechnical Engineer

Lisle, IL · On-site

$85K - $120K/yr

Support design of foundations, retaining structures, embankments for roadways and railways, flood ... Mentor junior staff and contribute to technical development within the team. * Other duties as ...

Hansoninc

Geotechnical Engineer

Chicago, IL

$85K - $120K/yr

Support design of foundations, retaining structures, embankments for roadways and railways, flood ... Mentor junior staff and contribute to technical development within the team. * Other duties as ...

Roquette

Transportation Analytics Co-Op

Geneva, IL

$23/hr

Monitor rail shipment visibility and performance across origin, transit, and destination points to ... Engineering,Data Analytics, or related field. Experience * Proficiency in Microsoft Excel ...

Stantec

Transportation Engineer - Roadways

Chicago, IL · On-site

$79K - $105K/yr

A career in transportation is more than bridges, roads, and rail. As we plan, design, and manage ... May provide work leadership and training to more junior professional and technical staff and ...

Stantec

Transportation Engineer - Roadways

Chicago, IL · On-site

$100K - $145K/yr

A career in transportation is more than bridges, roads, and rail. As we plan, design, and manage ... May provide work leadership and training to more junior professional and technical staff and ...

Stanley Consultants

Senior Bridge Engineer

Chicago, IL · On-site

$122K - $160K/yr

Lead and coordinate engineering design efforts by by guiding junior and mid-level engineers and ... Experience with railroad bridges is a plus. * Design experience using AASHTO LRFD, AISC, ACI, and ...

Stanley Consultants

Senior Bridge Engineer

Chicago, IL · Hybrid

$122K - $160K/yr

Lead and coordinate engineering design efforts by by guiding junior and mid-level engineers and ... Experience with railroad bridges is a plus. * Design experience using AASHTO LRFD, AISC, ACI, and ...

Stanley Consultants

Senior Bridge Engineer

Chicago, IL · Hybrid

$122K - $160K/yr

Lead and coordinate engineering design efforts by by guiding junior and mid-level engineers and ... Experience with railroad bridges is a plus. * Design experience using AASHTO LRFD, AISC, ACI, and ...

Snapsheet

Staff Software Engineer

Chicago, IL · On-site +1

$175K - $190K/yr

Experience mentoring junior developers * Strong debugging and problem-solving skills * Strong ... Ruby on Rails and React * Methodology: Agile * Infrastructure: MySQL, S3, Redis, Elasticsearch ...

Snapsheet

Staff Software Engineer

Chicago, IL · Remote

Experience mentoring junior developers * Strong debugging and problem-solving skills * Strong ... Ruby on Rails and React * Methodology: Agile * Infrastructure: MySQL, S3, Redis, Elasticsearch ...

Reverb

Senior Engineer, Security

Chicago, IL · On-site

$139K - $181K/yr

Mentor and guide junior security team members, fostering their professional growth and skills ... Development experience in Ruby, Ruby on Rails, or Node * Experience working with and implementing ...

CDM Smith

Architectural Designer - Transit

Chicago, IL · On-site

... engineering staff. * Mentor and guide junior architectural staff on multi-discipline projects ... Experience in planning, design, and construction oversight of transit facilities served by rail ...

next page

Showing results 1-20

All JobsRails Developer JobsJunior Rails Developer JobsJunior Rails Developer Jobs in Chicago, IL

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 Jul 15, 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.
What are popular job titles related to Junior Rails Developer jobs in Chicago, IL? For Junior Rails Developer jobs in Chicago, IL, the most frequently searched job titles are:
What job categories do people searching Junior Rails Developer jobs in Chicago, IL look for? The top searched job categories for Junior Rails Developer jobs in Chicago, IL are:
Junior Rails Developer jobs near you
Sr AI Solution Engineer

Sr AI Solution Engineer

James Hardie

Chicago, IL

$57 - $73.50/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 3 days ago

James Hardie rating

8.2

Company rating: 8.2 out of 10

Based on 38 frontline employees who took The Breakroom Quiz

84th of 527 rated manufacturers

Job description

James Hardie is the industry leader in exterior home and outdoor living solutions, with a portfolio that includes fiber cement, fiber gypsum, composite and PVC decking and railing products. Our family of trusted brands includes Hardie®, TimberTech®, AZEK® Exteriors, Versatex®, fermacell®, and StruXure®.
With over 8,000 employees and our U.S. operating entities headquartered in Chicago, we boast 31 operating sites, 6 recycling facilities, and 6 research and development centers globally. Powered by a dynamic workforce, we’re united by our purpose of Building a Better Future for All™ through sustainable innovation, a Zero Harm culture, and a commitment to empowering our people and communities.
For more information, visit www.jameshardie.com.

Summary

The Senior Enterprise AI Solution Engineer supports the full lifecycle of AI solutions—from ideation to productionization—covering both Generative AI and Predictive AI use cases. This role focuses on implementing AI-powered solutions, integrating them into enterprise workflows, and ensuring operational reliability. This role reports directly to the Sr. Director of AI and supports AI solution engineering leader to implement enterprise AI solutions. 

What You’ll Do:
  • Lead major AI capabilities throughout the end-to-end AI solution lifecycle—from ideation and prototyping through deployment and operationalization.
  • Design and implement solutions leveraging Generative AI (LLMs, text generation, RAG pipelines) and Predictive AI (forecasting, anomaly detection, classification, computer vision).
  • Translate business requirements into scalable technical capabilities, ensuring alignment with enterprise patterns and standards.
  • Develop APIs, microservices, and workflows to embed AI capabilities into production systems.
  • Work with data engineering teams to ensure robust data pipelines and features for AI models.
  • Optimize AI solutions for performance, cost, monitoring, and reliability in production environments.
  • Collaborate with business partners, engineering teams, and data scientists to iterate on high value use cases.
  • Communicate technical concepts to leadership and non‑technical stakeholders.
  • Participate in AI solution architecture design and contribute to cross functional architecture decisions.
  • Establish and follow best practices for model deployment, versioning, testing, and observability.
  • Contribute to ML Ops pipelines, CI/CD automation, and containerized deployments (Kubernetes, Docker).
  • Perform production support and troubleshooting for deployed AI services.
  • Mentor junior AI engineers and contribute to team knowledge sharing.
  • Support AI solution engineering leaders in establishing engineering standards and reusable patterns.
What You’ll Bring:
  • Bachelor’s or Master’s degree in Computer Science, Engineering, Data Science, or related field required.
  • 6–8 years of experience in AI/ML engineering, data science, or software development (between junior 4+ and principal 8+).
  • Proficiency in Python and modern ML frameworks (TensorFlow, PyTorch).
  • Hands‑on experience with cloud platforms (Azure, AWS, GCP) and containerization (Docker, Kubernetes).
  • Experience building LLM based systems, RAG pipelines, or generative AI applications.
  • Understanding of data pipelines, APIs, microservices, and distributed systems.
  • Experience with ML Ops tools and practices (model registries, CI/CD, observability).
  • Strong problem solving skills with the ability to troubleshoot complex systems.
  • Excellent written and verbal communication skills.
  • Curiosity and commitment to staying current with emerging AI technologies.
What You’ll Receive:

As of the date of this posting, a good faith estimate of the current pay scale for this position is $106,700K-$133,400K. Placement in the range depends on several factors such as experience, skills, geography and internal equity and may change over time. This position qualifies for benefits and you will be eligible to participate in a bonus plan.

At James Hardie, we recognize that our success depends on our people. We've worked hard to build a generous and competitive benefits program that demonstrates our commitment to our employees.

  • Compensation: competitive salary and bonus eligibility
  • Insurance: day-one health coverage medical, dental, vision, life insurance
  • Paid Time Off: vacation and company holidays
  • Retirement: 401(k) with 6% match
  • Investments: Employee Stock Purchase plan (ESP)
  • Work-Life Balance: parental leave, wellness programs
  • Purpose. Impact. Community: Sustainability Initiatives | James Hardie 

#LI-DW1

James Hardie Building Products Inc. is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, gender, sex, age, national origin, religion, sexual orientation, gender identity/expression, genetic information, veteran's status, marital status, pregnancy, disability, or any other basis protected by law.
James Hardie will comply with any applicable state and local laws regarding employee leave benefits, including, but not limited to providing time off pursuant to the Colorado Healthy Families and Workplaces Act, in accordance with its plans and policies.
The position responsibilities outlined above are in no way to be construed as all encompassing. Other duties, responsibilities, and qualifications may be required and/or assigned as necessary.

What James Hardie employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply