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Ruby On Rails Contractor Jobs in Jacksonville, FL

Marketing Coordinator

Jacksonville, FL ยท On-site

$16 - $18/hr

... ROR dashboard โ€ข Oversee daily reporting of new leads and units generated Social Media Community Management: โ€ข Collaborate with Director or Operations and Social Media Coordinators on content ...

What is our impact on the world? #LI-JG9 Watch Our Story:' We believe transportation is more than ... Monitor Contractor Quality Documents (QC test reports, contractor Quality Management Plan (QMP ...

Senior Bridge Rail Engineer

Jacksonville, FL ยท On-site

$96K - $133K/yr

What is our impact on the world? Watch Our Story:' #LI-JG9 Each and every role throughout our ... Support Project Managers by leading or participating in marketing and contracting activities.

Senior Bridge Rail Engineer

Jacksonville, FL ยท On-site

$96K - $133K/yr

What is our impact on the world? Watch Our Story:' #LI-JG9 Each and every role throughout our ... Support Project Managers by leading or participating in marketing and contracting activities.

What is our impact on the world? #LI-JG9 Watch Our Story:' Each and every role throughout our ... Support Project Managers by leading or participating in marketing and contracting activities.

Senior Rail Engineer

Jacksonville, FL ยท On-site

$96K - $133K/yr

What is our impact on the world? #LI-JG9 Watch Our Story:' Each and every role throughout our ... Support Project Managers by leading or participating in marketing and contracting activities.

Senior Rail Engineer

Jacksonville, FL ยท On-site

$96K - $133K/yr

What is our impact on the world? #LI-JG9 Watch Our Story:' Each and every role throughout our ... Support Project Managers by leading or participating in marketing and contracting activities.

What is our impact on the world? #LI-JG9 Watch Our Story:' Each and every role throughout our ... Support Project Managers by leading or participating in marketing and contracting activities.

The Rail Systems Engineer III works independently on technical assignments and provides guidance to ... General contractors, sub-contractors, customers, clients, and vendors. Work Environment * The work ...

Rail Systems Engineer III

Jacksonville, FL ยท On-site

$55K - $70K/yr

The Rail Systems Engineer III works independently on technical assignments and provides guidance to ... General contractors, sub-contractors, customers, clients, and vendors. Work Environment * The work ...

The Rail Systems Engineer III works independently on technical assignments and provides guidance to ... General contractors, sub-contractors, customers, clients, and vendors. Work Environment * The work ...

... on rail at TDSI terminals. * Work hand in hand with manufacturers and their agents to expedite ... Work with contractors to gather any and all pertinent data and information in preparation for ...

... on rail at TDSI terminals. * Work hand in hand with manufacturers and their agents to expedite ... Work with contractors to gather any and all pertinent data and information in preparation for ...

... on rail at TDSI terminals. * Work hand in hand with manufacturers and their agents to expedite ... Work with contractors to gather any and all pertinent data and information in preparation for ...

CRAFT FOREMAN

Jacksonville, FL ยท On-site

$30 - $38/hr

... on active railway property and through construction zones. Using specific railway operating rules, instructions and techniques, this position ensures that contractors clear the working zone prior to ...

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Ruby On Rails Contractor information

See Jacksonville, FL salary details

$23.6K

$113.1K

$158.9K

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

As of Jul 13, 2026, the average yearly pay for ruby on rails contractor in Jacksonville, FL is $113,146.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,000.00 and $130,200.00 per year, depending on experience, location, and employer.

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 are Ruby on Rails contractors?

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, and why are they important?

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 are popular job titles related to Ruby On Rails Contractor jobs in Jacksonville, FL? For Ruby On Rails Contractor jobs in Jacksonville, FL, the most frequently searched job titles are:
What job categories do people searching Ruby On Rails Contractor jobs in Jacksonville, FL look for? The top searched job categories for Ruby On Rails Contractor jobs in Jacksonville, FL are:
What cities near Jacksonville, FL are hiring for Ruby On Rails Contractor jobs? Cities near Jacksonville, FL with the most Ruby On Rails Contractor job openings:

Application Engineer

Stellar Energy Americas Inc

Jacksonville, FL โ€ข On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 25 days ago


Job description

Application Engineer


Position Type: Full-time, Exempt, Salary

Reports to: Director Application Engineering

Supervisory Responsibility: None

Location: Jacksonville, FL (Corporate Headquarters)


Company Summary

Stellar Energy is a trusted provider of turnkey liquid-to-chip cooling solutions for the worldโ€™s leading data center and industrial manufacturing customers. As computing demand and industrial processes continue to grow, modern facilities require cooling infrastructure that can scale quickly, efficiently, and reliably.


Our modular approach enables high-volume production while maintaining the flexibility to customize each solution. From Central Utility Plants to Coolant Distribution Units, Stellar Energy delivers scalable cooling infrastructure designed to support the rapid expansion of data centers and mission-critical industrial operations.


Backed by deep engineering expertise and large-scale manufacturing capability, Stellar Energy helps customers deploy critical infrastructure faster and with confidence.

Summary Objective

The Application Engineer is responsible for supporting the proposal, design, and execution phases of the business as required. Assigned projects could span multiple vertical markets, including Power Generation, Oil and Gas, Data Centers, Mission Critical, District Cooling, and Combined Heat and Power.


Specific functions include (but are not limited to): analyzing project-specific weather profiles, building thermal performance modes, predicting/estimating output, efficiency, environmental impact, carrying out sensitivity analysis, technical writing, specification reviews, and equipment/process calculations.

Essential Functions

  • Undertake engineering and design work independently.
  • Analyze and calculate the optimum weather design point based on project specific location.
  • Design and specify the process around the optimum design point.
  • Develop and improve thermal performance analysis tools to understand system performance.
  • Analyze, calculate and present the financial advantages and disadvantages to leadership.
  • Present and review various technical solutions with clients.
  • Contribute to the business development process and work with engineering and operations to prepare studies on internal products and services.
  • Participate in all facets of projects and pursuits including bid support, presentation support, augmentation philosophy development and competitor evaluations.
  • Provide technical support to sales and marketing for bids and proposals, such as performance analysis, schematics, equipment selection and specification review.
  • Create ROR/ROI models to support internal bid strategies, present to external clients and to prepare external publication materials for marketing purposes.

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Competencies

  • Technical Capacity.
  • Highly Organized.
  • Problem Solving/Analysis.
  • Financial Analysis Capabilities
  • Excellent presentations skills.
  • Excellent written and verbal communication skills, internally and externally.

Supervisory Responsibility
This position has or does not have supervisory responsibilities.

Work Location

This position will work out of our Main Office in Jacksonville, FL. This position is not approved for telecommuting or working remotely.

Work Environment
Most work is performed in an office environment. Regular trips to SEA Fabrication Shop for observation and research are required.


Physical Demands
While performing the duties of this job, the employee is regularly required to sit. The employee frequently is required to walk; use hands to finger, handle or feel; reach with hands and arms; and talk or hear. The employee is occasionally required to stand. The employee must frequently lift or move objects up to 10 pounds and occasionally lift or move objects up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision and ability to adjust focus.


Position Type/Expected Hours of Work
This is a full-time position. Days and hours of work are Monday through Friday, 8:00 a.m. to 5:00 p.m.

Travel
Anticipated up to 5% travel for this position. Some occasional local day travel may also be necessary. Occasional travel to customer job sites and conferences may be required.

Required Education and Experience.

  • Bachelor of Science degree in Engineering from an accredited University with focus on thermodynamics, heat transfer, or energy systems.
  • Proficiency with Microsoft Word and PowerPoint.
  • Advanced Excel skills particularly with macros and VBA.
  • Familiarity with design procedures and inter-discipline communication.
  • Familiarity with engineering deliverables (P&IDs, Single Line Diagrams, General Arrangements, etc.).

Preferred Education and Experience

  • Proficiency with GT Pro/GT Master software, Ebsilon Professional, EtaPro, GateCcle, Pepse or similar thermodynamic modelling tools
  • 3+ years of industry experience in thermal design, engineering specifically working with Gas Turbine OEMs (preferably knowledgeable in all Gas Turbine OEMs product offerings), Utility Owners, IPPs, EPCs, Technical advisory firms etc.
  • Understanding of Thermal Power Plant processes, equipment, and the interrelationships between them.
  • Understanding of thermodynamics, heat and mass balance equations, and performance correction curves as applied to simple cycle and combined cycle gas turbine gas turbines plants.
  • Experience with thermal performance guarantee test calculation, and ASME PTC codes. Master of Science degree in Engineering from an accredited University with focus on thermodynamics, heat transfer, and energy systems
  • Familiarity with combustion turbine operation in power generation and/or oil and gas operation.
  • Familiarity with the US power and energy markets.

Work Authorization
Must be authorized to work in the USA.

Benefits Summary
We offer a competitive benefits package designed to support your health, financial well-being, and work-life balance:

  • Medical, dental, and vision insurance (multiple plan options; preventive care covered at 100% in-network)
  • Health Savings Account (HSA) with company contributions
  • 401(k) with company match (100% match up to 3% + 50% match up to 6%)
  • Company-paid life insurance and AD&D coverage
  • Short-term and long-term disability coverage options
  • Supplemental benefits including accident, critical illness, and hospital coverage
  • Wellness programs, including incentives up to $300 annually and a no-cost weight management program
  • Virtual healthcare options, including $0 virtual visits in many cases
  • Additional voluntary benefits including legal services and pet insurance
  • Competitive PTO plan for exempt and non-exempt employees

Stellar Energy Americas Inc. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, Stellar Energy Americas Inc. complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities.