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Ruby On Rails Jobs in Philadelphia, PA (NOW HIRING)

Vanguard Group, Inc.

Principal AI Engineer

Malvern, PA · On-site

You'll collaborate with senior engineers and product teams-gaining hands-on experience while contributing to real-world AI solutions. As a Principal AI Engineer, you will be a pivotal technical ...

Vangard, Inc.

Principal AI Engineer

Malvern, PA

You'll collaborate with senior engineers and product teams-gaining hands-on experience while contributing to real-world AI solutions. As a Principal AI Engineer, you will be a pivotal technical ...

MRO Corporation

Principal AI Engineer

Norristown, PA · On-site

$180K - $200K/yr

This is a hands-on technical leadership role. You will work closely with architecture, product, data engineering, and engineering teams to translate complex healthcare workflows into scalable ...

MRO Corporation

Principal AI Engineer

Norristown, PA · On-site +1

$180K - $200K/yr

This is a hands-on technical leadership role. You will work closely with architecture, product, data engineering, and engineering teams to translate complex healthcare workflows into scalable ...

Vangard, Inc.

Principal AI/ML Engineer

Malvern, PA

Vanguard's Enterprise AI and Research (EAiR) team is actively working on advancing AI innovation by integrating cutting-edge concepts into the Vanguard AI ecosystem, establishing strategic AI ...

Vanguard Group

Principal AI/ML Engineer

Malvern, PA · On-site

Vanguard's Enterprise AI and Research (EAiR) team is actively working on advancing AI innovation by integrating cutting-edge concepts into the Vanguard AI ecosystem, establishing strategic AI ...

CHA Consulting, Inc.

Principal Engineer

Fort Washington, PA · On-site

$145K - $160K/yr

Do you thrive on solving complex technical challenges, working with multidisciplinary teams, and shaping environments where precision, efficiency, and reliability are paramount? CHA Consulting, Inc ...

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All JobsRuby On Rails JobsRuby On Rails Jobs in Philadelphia, PA

Ruby On Rails information

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$25.7K

$123.2K

$173.1K

How much do ruby on rails jobs pay per year?

As of Jul 15, 2026, the average yearly pay for ruby on rails in Philadelphia, PA is $123,223.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,400.00 and $141,800.00 per year, depending on experience, location, and employer.

What are Ruby on Rails developers?

Ruby on Rails developers are software engineers who specialize in building web applications using the Ruby on Rails framework. They use the Ruby programming language and the Rails framework to create scalable, maintainable, and efficient websites or web applications. Their responsibilities often include designing database structures, writing server-side logic, integrating front-end components, and deploying applications. Ruby on Rails developers work in a variety of industries and are valued for their ability to quickly develop robust web solutions.

Is Ruby on Rails a good career?

Ruby on Rails is a popular web development framework, and roles for Rails developers are in demand due to its use in startups and established companies. Skills in Ruby, Rails, and related tools can lead to job opportunities with competitive salaries. The career typically involves continuous learning to keep up with updates and best practices.

What Is Ruby On Rails?

Ruby on Rails is an application framework for web development. Specifically, it focuses on server-side functions and relies on the model-view-controller pattern. Rails is the framework itself, while Ruby is the programming language in which Rails is written. Ruby on Rails was designed to cut down on repetitive tasks and to be easy to learn with large, easily accessible libraries. It is open source as well, which means there is a large community that you can utilize to answer questions or improve your skills.

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, a solid grasp of Ruby programming, Rails framework, object-oriented design, and web development fundamentals is essential, often supported by a degree in computer science or related experience. Familiarity with version control systems like Git, databases such as PostgreSQL or MySQL, and deployment tools like Heroku or AWS is typically required. Strong problem-solving skills, attention to detail, and effective communication help developers collaborate with teams and address client needs efficiently. These skills are crucial for building robust, scalable web applications and adapting to evolving project requirements.

Is Ruby on Rails still in demand?

Ruby on Rails remains a popular web development framework, especially for startups and small to medium-sized businesses. While demand has shifted towards JavaScript frameworks and other backend technologies, many companies still seek Rails developers for maintaining and building applications, and knowledge of related tools like Git and SQL enhances employability.

What is a Ruby on Rails job?

A Ruby on Rails job involves developing and maintaining web applications using the Ruby on Rails framework. It typically requires skills in Ruby programming, front-end technologies, and understanding of databases like PostgreSQL or MySQL. The role may include tasks such as coding, debugging, testing, and collaborating with cross-functional teams.

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

AspectRuby On RailsJavaScript Developer
Required CredentialsProficiency in Ruby, Rails framework, MVC architectureProficiency in JavaScript, frameworks like React or Angular, HTML/CSS
Work EnvironmentBackend web development, server-side scriptingFrontend development, client-side scripting
Employer & Industry UsageWeb startups, SaaS companies, e-commerce platformsWeb applications, interactive websites, mobile app development

Ruby On Rails and JavaScript Developers often work together but focus on different parts of web development. Rails is primarily used for backend development with a focus on server-side logic, while JavaScript developers handle the frontend, creating interactive user interfaces. Both roles are essential in full-stack development, but their skills and tools differ significantly.

Is Ruby on Rails still used in 2026?

Ruby on Rails remains a popular web development framework for backend roles, especially for startups and companies valuing rapid development. While other frameworks like Node.js and Django have gained popularity, Rails continues to be maintained and used in production environments, with many developers working with its conventions and tools.

What are some common challenges faced by Ruby on Rails developers when working in agile teams?

Ruby on Rails developers in agile environments often encounter challenges such as rapidly adapting to changing requirements and maintaining code quality during frequent iterations. Collaborating closely with designers, product managers, and QA specialists requires clear communication and flexibility, especially when integrating new features or resolving bugs under tight deadlines. Additionally, balancing the need for quick delivery with best practices like writing tests and refactoring code can be demanding but is critical for long-term project success.
More about Ruby On Rails jobs
What are popular job titles related to Ruby On Rails jobs in Philadelphia, PA? For Ruby On Rails jobs in Philadelphia, PA, the most frequently searched job titles are:
What job categories do people searching Ruby On Rails jobs in Philadelphia, PA look for? The top searched job categories for Ruby On Rails jobs in Philadelphia, PA are:
What cities near Philadelphia, PA are hiring for Ruby On Rails jobs? Cities near Philadelphia, PA with the most Ruby On Rails job openings:
Ruby On Rails jobs near you
Infographic showing various Ruby On Rails job openings in Philadelphia, PA as of July 2026, with employment types broken down into 1% As Needed, 66% Full Time, 30% Part Time, and 3% Contract. Highlights an 91% Physical, 4% Hybrid, and 5% Remote job distribution, with an average salary of $123,223 per year, or $59.2 per hour.
Principal AI Engineer

Principal AI Engineer

Vanguard Group, Inc.

Malvern, PA • On-site

Full-time

Re-posted 6 days ago

Vanguard rating

8.7

Company rating: 8.7 out of 10

Based on 62 frontline employees who took The Breakroom Quiz

17th of 148 rated financial services

Job description

At Vanguard, we're building next-generation AI-powered platforms to drive innovation and impact. As a Principal AI Engineer, you'll work with cutting-edge tools, large language models (LLMs), and emerging frameworks to develop intelligent systems. You'll collaborate with senior engineers and product teams-gaining hands-on experience while contributing to real-world AI solutions.
As a Principal AI Engineer, you will be a pivotal technical leader driving the identification, design, and hands-on implementation of AI-powered solutions that directly address critical business and IT challenges. Your focus will include prompt engineering, guardrail design, and experimentation to ensure safe, scalable, and effective AI applications. You'll also mentor junior peers and share practical insights gained through your work.
What You'll Do
  • Develop and enhance AI agents and backend systems for Vanguard's AI platform, integrated with relevant pipelines and observability
  • Evaluate LLMs and emerging technologies to identify innovation opportunities
  • Design and optimize prompts for LLMs
  • Implement safeguards to ensure secure, ethical AI responses
  • Build APIs, microservices, and data integrations for AI features
  • Write clean, maintainable code following industry best practices
  • Provide vision, direction and expertise to leadership on implementing innovative and significant business solutions
  • Lead the development team to build and orchestrate scalable and resilient AI applications powered by AI models, in close collaboration with cross functional teams within the organization
  • Stay current on AI best practices and emerging technologies; recommend impactful innovations

Required Qualifications
  • 7+ years of hands-on engineering experience with proven AI application development (LLMs, embeddings, vector search, RAG pipelines, and fine-tuning)
  • 5+ years' hands on programming and/or scripting experience in one or more of the following: Java, Python, Shell scripting, etc.
  • 5+ years' experience with Infrastructure as code (IaC) implementation using Terraform, Crossplane or any other industry equivalent solutions
  • 5+ years' experience with AWS Cloud Platform, and/or Microsoft Azure hands on experience
  • 5+ years' experience with enterprise grade automation solutions design and implementation experience using tools such as Ansible, Harness CD, GitHub Actions, Playwright etc.
  • 2+ years of experience with AI, Gen AI, Agentic automation solutions design and development

Desired Qualifications:
  • Excellent communication and stakeholder management skills
  • Demonstrated ability to lead complex projects with limited supervision and high accountability
  • Proven track record in enterprise-scale AI deployments, model migration projects, and innovation initiatives
  • Demonstrated thought leadership through the publication of at least one white paper and/or presentation at well-known industry conferences.

Special Factors
Sponsorship
Vanguard is not offering visa sponsorship for this position.
About Vanguard
At Vanguard, we don't just have a mission-we're on a mission.
To work for the long-term financial wellbeing of our clients. To lead through product and services that transform our clients' lives. To learn and develop our skills as individuals and as a team. From Malvern to Melbourne, our mission drives us forward and inspires us to be our best.
How We Work
Vanguard has implemented a hybrid working model for the majority of our crew members, designed to capture the benefits of enhanced flexibility while enabling in-person learning, collaboration, and connection. We believe our mission-driven and highly collaborative culture is a critical enabler to support long-term client outcomes and enrich the employee experience.

What Vanguard employees say

Pay

Benefits

Hours and flexibility

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