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Junior Ruby On Rails Developer Jobs in Boston, MA

Human Agency

Senior Full-Stack Engineer

Boston, MA · On-site

Proficiency in Python and Ruby on Rails , with significant backend experience. * Experience in ... Experience in DevOps, CI/CD pipelines, and secure release management. * Background in security ...

Human Agency

Senior Full-Stack Engineer

Boston, MA · On-site

Proficiency in Python and Ruby on Rails , with significant backend experience. * Experience in ... Experience in DevOps, CI/CD pipelines, and secure release management. * Background in security ...

STV

Junior Electrical Engineering Specialist

Boston, MA · On-site

$82K - $94K/yr

STV is seeking a Junior Electrical Engineer to join our growing Systems Division in our Boston, MA ... expertise while working on some of the most complex transportation, transit, rail, and ...

Manulife Financial

Senior Financial Accountant

Boston, MA · On-site

$100 - $125/hr

... (ROR); and ensuring accuracy and consistency with fund governing documents; * Maintain investor capital accounts including contributions, distributions, transfers, rebalancing, preferred return ...

Manulife

Senior Financial Accountant

Boston, MA · Hybrid

$120K/yr

... (ROR); and ensuring accuracy and consistency with fund governing documents; * Maintain investor capital accounts including contributions, distributions, transfers, rebalancing, preferred return ...

VHB

Track Engineer

Boston, MA · Hybrid

$110K - $140K/yr

This position provides an opportunity to work on complex transit & rail transportation ... delegate tasks to junior staff * Self-motivated, highly organized, and detail oriented ...

VHB

Track Engineer

Boston, MA · Hybrid

$110K - $140K/yr

This position provides an opportunity to work on complex transit & rail transportation ... delegate tasks to junior staff * Self-motivated, highly organized, and detail oriented ...

VHB

Track Engineer

Boston, MA · On-site

$110K - $140K/yr

This position provides an opportunity to work on complex transit & rail transportation ... delegate tasks to junior staff * Self-motivated, highly organized, and detail oriented ...

Hatch

Senior Consultant - Rail Vehicles

Boston, MA · On-site

Provide direction and monitor the work of junior staff. * Serve as a technical mentor and help ... Hands-on engineering work within the light rail, subway, and commuter rail environment including ...

F-Prime Capital

Staff Engineer, Revenue Cycle

Boston, MA · On-site

$150 - $200/hr

Mentor junior engineers (code reviews, pair-programming etc) * Serve as a technical lead for ... Strong hands-on experience in Ruby/Rails, TypeScript/Node, Python or similar backends * Deep ...

Transdev

Chief of Infrastructure Maintenance

Boston, MA · On-site

$200K - $280K/yr

... on best practice sharing, lessons learned and proactive knowledge transfer. Qualifications Required * Minimum 10 years of professional railroad engineering experience, with emphasis in railroad ...

Transdev

Chief of Infrastructure Maintenance

Boston, MA · On-site

... on best practice sharing, lessons learned and proactive knowledge transfer. Qualifications Required * Minimum 10 years of professional railroad engineering experience, with emphasis in railroad ...

Transdev

Chief of Infrastructure Maintenance

Boston, MA · On-site

$200K - $280K/yr

... on best practice sharing, lessons learned and proactive knowledge transfer. Qualifications Required * Minimum 10 years of professional railroad engineering experience, with emphasis in railroad ...

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All JobsRuby On Rails Developer JobsJunior Ruby On Rails Developer JobsJunior Ruby On Rails Developer Jobs in Boston, MA

Junior Ruby On Rails Developer information

See Boston, MA salary details

$27.7K

$132.7K

$186.3K

How much do junior ruby on rails developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for junior ruby on rails developer in Boston, MA is $132,664.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,400.00 and $152,600.00 per year, depending on experience, location, and employer.

What is a junior Ruby on Rails developer?

A Junior Ruby on Rails Developer is an entry-level software developer specializing in building web applications using the Ruby on Rails framework. They typically work under the guidance of senior developers, assisting in writing and maintaining code, debugging issues, and implementing new features. Juniors are expected to have a basic understanding of Ruby, Rails conventions, databases, and version control systems like Git. They often collaborate with teams to develop scalable and efficient applications while continuously learning industry best practices. This role serves as a foundation for advancing to more senior development positions.

What does a junior Ruby on Rails developer do?

As a Junior Ruby On Rails Developer, you'll generally spend your days building new features, fixing bugs, and writing tests under the guidance of more experienced engineers. You will regularly collaborate with other developers, product managers, and designers through pair programming, code reviews, and team meetings. Expect to dedicate a portion of your time to learning new best practices and tools, as ongoing education is key early in your career. The work environment is often collaborative and supportive, providing mentorship and feedback to help you grow your technical skills and confidence.

What are the key skills and qualifications needed to thrive as a junior Ruby on Rails developer?

To thrive as a Junior Ruby On Rails Developer, you should have a foundational knowledge of Ruby, Rails framework, web development principles, and basic database design, often supported by a relevant technical degree or coding bootcamp experience. Familiarity with version control systems like Git, testing frameworks such as RSpec, and cloud platforms is highly valued in entry-level roles. Strong problem-solving abilities, a willingness to learn, and effective communication skills help juniors contribute positively to their teams. These competencies empower developers to adapt quickly, collaborate efficiently, and deliver functional web applications in a fast-evolving tech environment.

What are the most commonly searched types of Ruby On Rails Developer jobs in Boston, MA?

The most popular types of Ruby On Rails Developer jobs in Boston, MA are:

What are popular job titles related to Junior Ruby On Rails Developer jobs in Boston, MA?

For Junior Ruby On Rails Developer jobs in Boston, MA, the most frequently searched job titles are:

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The top searched job categories for Junior Ruby On Rails Developer jobs in Boston, MA are:

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Cities near Boston, MA with the most Junior Ruby On Rails Developer job openings:

Junior Ruby On Rails Developer jobs near you
Infographic showing various Junior Ruby On Rails Developer job openings in Boston, MA as of August 2026, with employment types broken down into 80% Full Time, 5% Part Time, and 15% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution, with an average salary of $132,664 per year, or $63.8 per hour.

Senior Full-Stack Engineer

Boston, MA • On-site

Human Agency
See more jobs at Human Agencyexternal

Full-time, Contractor

Re-posted 13 days ago

Job description

Location: US or Canada
Type: US Applicants - Full-Time; Canadian Applicants - Independent Contractor
About Human Agency
We're scaling rapidly and have a growing pipeline of opportunities that demand exceptional talent across disciplines. Our mission is to bring on individuals, from creative producers to technical experts to entrepreneurial leaders, who can help us realize this next chapter of growth.
We are a company of doers. Leaders roll up their sleeves, teams work flat, and everyone contributes to what ships. Titles don't insulate us from feedback or basics. We invite critique, learn quickly, and keep raising the bar. The best ideas win here, no matter where they come from, because clients trust us to deliver the strongest outcomes every time.
Our clients' missions, products, and bottom lines are sacred. We immerse ourselves in their world, becoming stewards of their goals and partners in solving big problems. Every product, strategy, or asset we create must be both beautiful and functional; practical, usable, and designed for real-world impact.
Humans are our most valuable resource, and we only grow by hiring people who push us forward. Across strategy, engineering, design, data, and operations, we seek out teammates who raise the bar and make us better. Always hire up, never down.
We partner with organizations of all sizes to explore, design, and implement AI strategies that are secure, scalable, and human-centered. We believe AI should amplify human potential, not replace it and we build with that conviction in every engagement. From advisory and tooling to implementation and education, we meet clients where they are at and help them integrate AI in ways that align with their mission and values. Our goal is to empower teams to work smarter, move faster, and unlock new possibilities through thoughtful, responsible innovation.
And through it all, we lead with purpose, love, and adventure. We do meaningful work with people we care about, and we make the ride an adventure worth taking. Because at Human Agency, who we are and how we work are one and the same.
The Opportunity
At Human Agency, we are shaping the future by combining cutting-edge AI solutions with intuitive software development. We specialize in building scalable and secure SaaS applications that empower enterprise clients to solve complex problems efficiently. As part of our team, you'll work on high-impact projects at the intersection of AI, machine learning, and secure software engineering.
We're seeking a Senior Full-Stack Engineer to join our growing team. In this role, you'll lead development initiatives, contribute to our SaaS products, and tackle exciting challenges in backend architecture, frontend design, and AI/ML integrations with a particular focus on generative AI technologies.
Responsibilities
SaaS Application Development
  • Detection:
    • Develop backend algorithms to process articles, chunk content, and integrate with LLMs for predictive text generation.
    • Build APIs and services to manage and scale the application's content workflow.
  • Protection:
    • Create secure PDF upload workflows with encryption to ensure compatibility with Adobe Acrobat.
    • Integrate authentication mechanisms like Okta for enterprise customer admin management.
    • Enable data recovery, auditing capabilities, and enterprise-grade administrative tools.
AI/ML and Algorithm Development
  • Collaborate with AI/ML teams to operationalize models such as OCR (Optical Character Recognition) and generative AI-based solutions (e.g., GPT models).
  • Implement RAG (Retrieval-Augmented Generation) use cases using vector databases and data embedding techniques to enhance application functionality.
  • Design workflows for large-scale data processing that enable efficient AI integrations and create dynamic AI-first features, such as custom GPTs tailored to enterprise needs.
DevOps & Operationalization
  • Establish CI/CD pipelines and formal release structures for software delivery.
  • Conduct security evaluations to identify vulnerabilities and optimize performance across AI-driven SaaS applications.
  • Manage infrastructure and workflows for custom AI solutions, including tools like Snowflake and LangChain.
Future-Focused Development
  • Build integrations and proof-of-concept applications leveraging company-specific datasets and AI technologies.
  • Evaluate and implement tools for classification, indexing, and secure data management that incorporate the latest in generative AI advancements.
  • Support the development of enterprise-grade AI solutions, including internal AI models and custom LLMs.
Requirements
Core Technical Skills
  • Proficiency in Python and Ruby on Rails, with significant backend experience.
  • Experience in designing secure systems, including encryption workflows and document protection mechanisms.
  • Hands-on expertise in integrating generative AI tools, such as OpenAI APIs, LangChain, or Hugging Face frameworks, into SaaS applications.
  • Strong knowledge of RAG techniques, vector databases (e.g. Pinecone, Weaviate), and embedding pipelines.
  • Ability to operationalize AI/ML models and build workflows for enterprise clients.
  • Frontend development experience in modern frameworks (e.g, React, Vue), with the ability to assess and recommend appropriate tech stacks.
Nice-to-Have Skills
  • Computer vision and OCR expertise, especially for processing and indexing complex document workflows.
  • Experience with authentication systems (e.g., Okta) and enterprise administrative tools.
  • Experience in DevOps, CI/CD pipelines, and secure release management.
  • Background in security evaluations, vulnerability assessments, and tool integrations.
Other Requirements
  • Strong testing background with experience in automated and manual testing.
  • Ability to manage data recovery, audits, and compliance workflows.
  • Strong problem-solving and analytical skills, with attention to detail in complex environments.
  • Excellent communication skills and the ability to work collaboratively across teams.
Why Join Us?
  • Be part of a cutting-edge team solving complex problems in AI and SaaS development.
  • Work on impactful projects with enterprise clients and cutting-edge technologies.
  • Grow your career in a collaborative, innovative, and supportive environment.

If you're excited about working on secure, scalable systems while integrating advanced AI and ML capabilities, we'd love to hear from you.
Equal Opportunity Commitment
Human Agency is an Equal Opportunity Employer. We value diverse backgrounds and strive to build an inclusive culture where everyone feels welcomed and empowered.

Apply