Senior Ruby on Rails Engineer - Scale Web Apps & APIs

Valiant Technologies LLC; Austin (TX); On-site; USD 69,000 - 99,000; Full time

Job summary

Valiant Technologies LLC in Austin, TX is seeking a Senior Ruby on Rails Engineer for a 12-month+ extension engagement. The role combines frontend GUI and backend API development, with expertise in Ruby on Rails, REST, and cloud DevOps.

You will design scalable web applications, optimize performance, and collaborate with business and tech teams. Strong PostgreSQL/MySQL experience and GenAI integration knowledge are valued.

Qualifications

• 6+ years of experience in Senior Software Engineering.
• Strong hands-on experience with Ruby and Ruby on Rails.
• Design, develop, test, and implement large-scale web applications.
• Work on both frontend GUI and backend application development.
• Design, develop, and maintain APIs and system interfaces.
• Hands-on experience with REST, RPC, JSON, ProtoBuf, and XML.
• Strong database design and query experience with PostgreSQL and MySQL.
• Troubleshoot application performance, response time, capacity, and system issues.
• Ensure application data quality, integrity, and consistency.
• Collaborate with business teams, technology teams, and external vendors.
• Maintain technical documentation for developed applications.
• Knowledge of integrating GenAI into software development workflows.
• Preferred experience with RSpec, MiniTest, CircleCI, Jenkins, DevOps, and AWS.
• Knowledge of GoLang, Java, C++, Rust, Erlang, or similar programming languages is preferred.

Responsibilities

• Collaborate with cross-functional teams to deliver Rails-based web apps.
• Develop scalable RESTful interfaces and services.
• Maintain code quality and test coverage with RSpec/MiniTest.
• Integrate GenAI workflows into development processes.
• Ensure robust CI/CD pipelines using CircleCI/Jenkins and AWS deployment.

Tools

Ruby on Rails

REST

RPC

JSON

ProtoBuf

XML

PostgreSQL

MySQL

RSpec

MiniTest

CircleCI

Jenkins

DevOps

AWS

GoLang

Java

C++

Rust

Erlang

Job description

Valiant Technologies LLC in Austin, TX is seeking a Senior Ruby on Rails Engineer for a 12-month+ extension engagement. The role combines frontend GUI and backend API development, with expertise in Ruby on Rails, REST, and cloud DevOps.

You will design scalable web applications, optimize performance, and collaborate with business and tech teams. Strong PostgreSQL/MySQL experience and GenAI integration knowledge are valued.