Senior Ruby on Rails Engineer — API, GenAI & Full-Stack

Artifintech; Austin (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Artifintech in Austin, TX is seeking a senior software engineer to design, develop, and deploy large-scale web applications using Ruby on Rails and core Ruby technologies. You will design robust APIs (REST/JSON/ProtoBuf) and work across front-end and back-end components while ensuring data quality and system performance.

The ideal candidate has 6+ years in senior software engineering, strong API design experience, and familiarity with GenAI integration into development workflows.

Qualifications

• 6+ years of senior software engineering experience.
• 6+ years of hands-on experience with Ruby on Rails and Ruby.
• 6+ years of experience in API design and interface technologies, including JSON, ProtoBuf, REST, RPC, and XML.
• Knowledge of integrating GenAI into development workflows.

Responsibilities

• Design, develop, test, and implement large-scale web applications and full-stack components.
• Build and maintain web apps using Ruby on Rails and Ruby as core technologies.
• Design and develop APIs and interface technologies (JSON, ProtoBuf, REST, RPC, XML).
• Develop and optimize databases using PostgreSQL, MySQL, and related tech.
• Troubleshoot performance, latency, capacity, and system limitations.
• Ensure data quality and integrity across applications.
• Collaborate with business, database, systems, networking teams, and vendors.
• Create and maintain technical documentation for apps.
• Integrate GenAI into software development workflows.

Skills

Ruby on Rails

Ruby

API design

GenAI integration

GoLang/Java/C++ (preferred)

Debugging & performance

Tools

RSpec

MiniTest

CircleCI

Jenkins

AWS

Job description

Artifintech in Austin, TX is seeking a senior software engineer to design, develop, and deploy large-scale web applications using Ruby on Rails and core Ruby technologies. You will design robust APIs (REST/JSON/ProtoBuf) and work across front-end and back-end components while ensuring data quality and system performance.

The ideal candidate has 6+ years in senior software engineering, strong API design experience, and familiarity with GenAI integration into development workflows.