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Rails Library Jobs (NOW HIRING)

Supreme Companies

Maintenance Technician

Westwood, MA · On-site

$33 - $38/hr

The Block features a fitness center, outdoor grilling and gathering area, library, resident lounges, and a coffee station. Just moments from Xaverian, the Commuter Rail, Westwood High, University ...

MoMA

Senior Front-End Developer

Manhattan, NY · On-site

$140K/yr

Tailwind CSS, Stimulus, and Ruby on Rails. This includes selecting appropriate libraries and patterns for complex user interfaces without relying on heavier frameworks. * Delivers well-tested ...

Incca

Senior Front-End Developer

Manhattan, NY

$160K/yr

Tailwind CSS, Stimulus, and Ruby on Rails. This includes selecting appropriate libraries and patterns for complex user interfaces without relying on heavier frameworks. * Delivers well-tested ...

Incca

Senior Front-End Developer

Manhattan, NY

$160K/yr

Tailwind CSS, Stimulus, and Ruby on Rails. This includes selecting appropriate libraries and patterns for complex user interfaces without relying on heavier frameworks. * Delivers well-tested ...

Justworks

Front-end Engineer

New York, NY · On-site

You are comfortable with both "vanilla" Javascript and libraries like React, Angular, or Backbone. We work primarily in Ruby on Rails and JavaScript, but prior knowledge of Ruby on Rails is not a ...

Justworks

Front-end Engineer

New York, NY

You are comfortable with both "vanilla" Javascript and libraries like React, Angular, or Backbone. We work primarily in Ruby on Rails and JavaScript, but prior knowledge of Ruby on Rails is not a ...

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Rails Library information

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$8

$15

$29

How much do rails library jobs pay per hour?

As of May 31, 2026, the average hourly pay for rails library in the United States is $15.74, according to ZipRecruiter salary data. Most workers in this role earn between $11.78 and $17.55 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Ruby on Rails Developer, and why are they important?

To thrive as a Ruby on Rails Developer, you need strong skills in Ruby programming, web application development, and a solid understanding of MVC architecture, typically supported by a degree in computer science or related experience. Proficiency with tools like Git, databases (such as PostgreSQL or MySQL), and deployment platforms, along with familiarity with testing frameworks, is essential. Excellent problem-solving abilities, collaboration, and effective communication skills help developers work efficiently within teams and adapt to evolving project requirements. These skills are critical to delivering robust, scalable applications and ensuring smooth project execution in dynamic software environments.

What are some common challenges faced by developers working on a Rails library, and how can they be addressed?

Developers working on a Rails library often encounter challenges such as maintaining compatibility with multiple Rails versions, ensuring robust test coverage, and managing open-source contributions. Staying up-to-date with the Rails framework's updates is crucial to prevent deprecation issues. Collaborating effectively with other contributors, documenting code thoroughly, and setting up automated testing workflows can significantly help overcome these challenges and ensure the library remains reliable and widely usable.

What is a Rails Library?

A Rails Library is a collection of reusable code, modules, or components designed to extend or enhance the functionality of Ruby on Rails applications. These libraries, often called 'gems,' help developers add features such as authentication, file uploads, or API integrations without writing everything from scratch. By using Rails Libraries, developers can save time, maintain cleaner code, and leverage best practices established by the community.

What is the difference between Rails Library vs Rails Developer?

AspectRails LibraryRails Developer
Required CredentialsNone specific; knowledge of Ruby and Rails neededBachelor's in Computer Science or related field; proficiency in Ruby on Rails
Work EnvironmentUsed within Rails applications; library code is integrated into projectsDevelops and maintains Rails applications; full project lifecycle
Employer & Industry UsageOpen-source projects, software companies, web development teamsWeb development agencies, startups, tech companies
Search & Comparison IntentUnderstanding libraries that extend Rails functionalityHiring or hiring for Rails development roles

In summary, a Rails Library is a collection of code that adds specific features to Rails applications, often used by developers. A Rails Developer, however, is a professional who builds, maintains, and enhances entire Rails applications. While libraries are tools used by developers, the developer role encompasses the full development process.

More about Rails Library jobs
What cities are hiring for Rails Library jobs? Cities with the most Rails Library job openings:
What states have the most Rails Library jobs? States with the most job openings for Rails Library jobs include:
What job categories do people searching Rails Library jobs look for? The top searched job categories for Rails Library jobs are:
Rails Library jobs near you
Infographic showing various Rails Library job openings in the United States as of May 2026, with employment types broken down into 7% Internship, 86% Full Time, and 7% Contract. Highlights an 93% In-person, and 7% Remote job distribution, with an average salary of $32,732 per year, or $15.7 per hour.
Lead Data Scientist (GenAI)

Lead Data Scientist (GenAI)

Norfolk Southern Corp.

Atlanta, GA • Hybrid

Other

Posted 16 days ago

Job description

Requisition 39619: B4 Lead Data Scientist (GenAI) 

A resume helps you stand out to hiring managers and recruiters; your resume communicates your experience and your brand. While it is not required, we encourage you to include an up-to-date resume along with a  completed job application to give you the best opportunity to be considered. A complete resume helps us to better understand your unique  background, relevant experiences, and passions. We look forward to learning about you.

Norfolk Southern offers a unique opportunity to be part of our proud legacy that spans nearly 200 years. We are a customer-centric, operations-driven team dedicated to advancing safety, serving communities, and driving innovation for tomorrow's rail.  As part of Norfolk Southern, you'll join a collaborative team where there are opportunities for growth across the organization. We are building a culture where everyone can thrive by owning and driving exceptional results, being humble and leading with trust, serving our customers with excellence, and collaborating and coaching to win.

Job Description

Who we are and what we do:

Norfolk Southern Corporation is seeking a Lead Data Scientist (GenAI) to join our enterprise AI team. This role focuses on developing, optimizing, and enhancing intelligent solutions using Generative AI technologies, including Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and Model Context Protocol (MCP) servers. The ideal candidate will partner with technical and business leaders across the enterprise to deliver scalable, secure, and high-performing AI capabilities that drive business value. The position involves working with cloud-based platforms, modern AI/ML frameworks, and collaborating across business units to solve complex problems.

What kind of problems do we solve:

   Document Intelligence: Analyze and extract insights from thousands of corporate documents, reports, and operational data using advanced NLP techniques.
   Conversational AI: Build intelligent chat systems that help employees retrieve information and interact with enterprise data.
   GenAI Solutions: Creating and deploying Generative AI models for document processing, visual data analysis, and natural language understanding.
   Model Context Protocol (MCP): Enhance AI agent capabilities through custom tool integrations and context-aware servers.

Responsibilities

   Lead design and architecture of enterprise GenAI solutions tailored to business use cases.
   Design modular, frameworkagnostic LLM pipelines using libraries such as LangChain, LlamaIndex, or similar
   Define prompting strategies, agent patterns, and RAG architectures. Ensure approaches are scalable, reusable companywide and drive adoption across teams.
   Oversee lifecycle of usecases: Development to Deployment to Production and MLops.
   Ensure responsible AI practices, including explainability, governance, and compliance.
   Evaluate emerging AI trends and help guide the adoption of high value innovations.
   Collaborate with cross-functional teams to understand business needs and deliver configurable, scalable solutions.

Education Required

   Bachelor's in computer science, data science, machine learning, NLP, AI, linguistics, or related field required. 

Skills Required: 


   4-7+ years of experience in Data Science, Machine Learning, NLP or AI positions. 
   Extensive background in building, finetuning and operationalizing large language models (LLMs) in production environment.
   Proficiency in Python, including libraries such as Scikit-learn, PyTorch, Pandas, NumPy, spaCy, NLTK, and Matplotlib.
   Skilled in SQL, NoSQL, Milvus, Pinecone, PGVector databases

Skills Preferred: 


   Advanced degree, e.g., Ph.D. or M.S. computer science, data science, machine learning, NLP, AI, linguistics, or related field preferred. 
   Highly experienced in creating Agentic LLMs and knowledge of orchestration frameworks such as LangGraph.
   NLP and AI/ML Frameworks: Experience with training NLP models from scratch, working with Large Language Models, and using libraries such as spaCy, NLTK, and Transformers. 
   Highly experienced with cloud platforms, preferably AWS (ECS, S3, Lambda, Bedrock, OpenSearch), Databricks, and Datadog.
   DevOps knowledge: Docker, Kubernetes, CI/CD, Git, Terraform. 

Work Conditions
Environment: Hybrid 3 days on-site and remote work 2 days per week.
Shift Work: No
On-Call: No 
Weekend Work: No

Company Overview

Since 1827, Norfolk Southern Corporation (NYSE: NSC) and its predecessor companies have safely moved the goods and materials that drive the U.S. economy. Today, it operates a customer-centric and operations-driven freight transportation network. Committed to furthering sustainability, Norfolk Southern helps its customers avoid 15 million tons of yearly carbon emissions by shipping via rail. Its dedicated team members deliver more than 7 million carloads annually, from agriculture to consumer goods, and is the largest rail shipper of auto products and metals in North America. Norfolk Southern also has the most extensive intermodal network in the eastern U.S., serving a majority of the country's population and manufacturing base, with connections to every major container port on the Atlantic coast as well as the Gulf of Mexico and Great Lakes. Learn more by visiting www.NorfolkSouthern.com.

At Norfolk Southern, we believe in celebrating our individuality. By leveraging the unique backgrounds and viewpoints of our employees, we can create a culture of innovation, respect, and inclusion. We know that employees thrive in a workplace where differing viewpoints, ideas, and experiences are freely shared and valued. As such, we encourage all employees to contribute their distinctive skills and capabilities to our organization.

Equal employment opportunities are available to all applicants regardless of race, color, religion, age, sex, national origin, disability status, genetic information, veteran status, sexual orientation, and gender identity. Together, we power progress.

Apply