Senior Ruby on Rails Developer jobs in United States
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LXT ยท 4 months ago

Senior Ruby on Rails Developer

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level
date5+ years exp

LXT is an emerging leader in AI training data, and they are seeking a Senior Ruby on Rails Developer to enhance their crowdsourcing platform. The role involves optimizing backend components, implementing best practices, and collaborating with a distributed team.

Artificial Intelligence (AI)Computer VisionData Collection and LabelingMachine LearningNatural Language Processing

Responsibilities

Develop and enhance our crowdsourcing platform using Rails 6.x and 7.x
Apply test-driven development (TDD) best practices to ensure high-quality and maintainable code
Optimize, refactor, and develop backend components while researching and implementing best practices
Deliver across the full development stack, focusing on backend development while maintaining an understanding of frontend technologies
Work with RabbitMQ and other messaging systems to implement event-driven architecture
Collaborate closely with a remote team based in Germany and Ukraine

Qualification

Ruby on RailsTest-Driven DevelopmentRabbitMQMySQLAWSDockerAgile methodologiesFrontend developmentProblem-solvingCommunication skills

Required

5+ years of software development experience, with at least 3 years focused on Rails
Strong experience with MySQL or other relational databases
Deep understanding of RSpec, including FactoryBot and TDD methodologies
Hands-on experience with RabbitMQ and event-driven architecture
Proficiency in Unix/Linux environments
Familiarity with Agile methodologies (Scrum, Kanban)
Experience working in startup environments and scaling applications
Hands-on experience with frontend development is a plus
Knowledge of HAProxy, Monit, and infrastructure monitoring tools
Experience with Docker and containerized deployments
Ability to create and maintain AWS Lambda functions
Familiarity with AWS Rekognition or other AWS AI/ML services
Strong problem-solving mindset and ability to work independently
Team-oriented, collaborative, and excellent communication skills
Passion for clean, maintainable code and following best practices
Excellent English communication skills, both written and verbal

Company

LXT

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LXT provides high-quality data annotation and data collection solutions and services for video, images, voice, and more.
dateFounded in 2010
location
Mississauga, Ontario, CAN
people-size501-1000 employees
web-link
https://lxt.ai

Funding

Current Stage
Late Stage

Leadership Team

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Carolyn Harvey
COO
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Yassin Omar
Vice President of Global Operations
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Recent News

Research and Markets
Generative AI in Telecom Industry to Witness 42.7% CAGR: How to Succeed in this Fast-Growing Global Market
2025-08-15
PR Newswire
LXT Completes Integration of Clickworker to Deliver Single Platform for Industry-Leading AI Data Solutions
2025-07-31
Business Wire
Crowd Sourced Data Collection Strategic Business Report 2025 | Expansion of Smart City Projects Strengthens Business Case for Community-Driven Data Gathering - ResearchAndMarkets.com
2025-07-18
Company data provided by crunchbase