Ruby on Rails Software Engineer

Machine Learning Technologies, LLC; Columbus (OH); On-site; USD 83,000 - 118,000; Full time

Job summary

Machine Learning Technologies, LLC is seeking a Senior Ruby on Rails Software Engineer for an on-site Columbus, OH engagement. You will design, develop, and optimize full-stack web applications, tackling performance and scalability while collaborating with cross-functional teams and external partners.

The role emphasizes Ruby on Rails expertise, API design, DevOps practices, and exposure to GenAI-enabled workflows to improve development efficiency and data quality across systems.

Qualifications

• 6+ years in a senior software engineering role.
• 6+ years with Ruby on Rails and Ruby.
• 6+ years of API design and interface technologies (JSON, ProtoBuf, REST, RPC, XML).
• Knowledge of integrating GenAI into development workflows.

Responsibilities

• Design, code, test, and implement large-scale web applications and components across the full stack (front-end GUI and backend).
• Troubleshoot and resolve issues around performance, response times, capacity, and system limitations.
• Collaborate with internal partners and external vendors; maintain applications and ensure data quality and consistency.
• Create and maintain documentation for the applications you build.

Skills

Ruby on Rails

API design

GenAI integration

CI/CD

DevOps

GoLang

Java

Tools

RSpec

MiniTest

CircleCI

Jenkins

AWS

Job description

Job Title: Ruby on Rails Software Engineer

Location:Columbus, OH

Duration: 12 Months + Extension

Bill Rate: $73/hour (C2C)

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization:US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Role Description

• We are seeking a Senior Software Engineer responsible for the development and design of web applications and components across both front-end (GUI) and backend.
• You will design, code, test, and implement websites and applications for internal or external use, and troubleshoot issues around performance, response times, capacity, and system limitations.
• You’ll collaborate with internal business partners, internal technology resources (database, system, networking), and external vendors, and ensure data quality, integrity, and consistency across the organization.

Responsibilities

• Design, code, test, and implement large-scale web applications and components across the full stack (front-end GUI and backend).
• Troubleshoot and resolve issues around performance, response times, capacity, and system limitations.
• Collaborate with internal business partners, internal technology resources, and external vendors; maintain applications and ensure data quality, integrity, and consistency.
• Create and maintain documentation for the applications you build.

Preferred Qualifications:

• Testing, CI, and DevOps - working knowledge of integrated testing frameworks (RSpec, MiniTest), CI suites (CircleCI, Jenkins), and DevOps and AWS infrastructure.
• GoLang and Java - expert knowledge of GoLang, Java, or a similar compiled, high- concurrency, lower-level language (Erlang, C++, Rust, etc.).
• Analytical, Problem Solving, and Communication Skills - excellent analytical, problem- solving, and communication skills, including cross-functional collaboration and relationship building.

Minimum Qualifications:

• 6+ years in a senior software engineering role.
• 6+ years of the Ruby on Rails framework and Ruby as a core language.
• 6+ years of API design and interface technologies (JSON, ProtoBuf, REST, RPC, XML, etc.).
• Knowledge of integrating GenAI into development workflows.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.