Ruby jobs in littleton, co

Remote

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6d ago

Primary Skills 10+ years of experience in Ruby on Rails development Strong knowledge of Ruby, Rails 6.x/7.x/8.x Experience in REST APIs development and integration Strong understanding of Object-Oriented Programming (OOP) concepts Experience with PostgreSQL, MySQL, or other relational databases Hands-on experience with Git/GitHub Experience with RSpec, Minitest, or similar testing frameworks Strong debugging and performance tuning skills Secondary Skills Experience with Docker and Kubernetes E

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Third Party, Contract

Depends on Experience

Ruby/Ruby on Rails Developer

Remote

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14d ago

Role: Ruby/Ruby on Rails Developer Location: Remote Duration: Long Term Contract We are looking for an experienced Full-Stack Tech Lead with strong hands-on expertise in Ruby/Ruby on Rails, along with solid experience in Java/Spring Boot and React. The ideal candidate will provide technical leadership, drive architecture, and development across multiple workstreams, and mentor engineering teams. Key Responsibilities Lead technical design and development across Ruby on Rails, Java/Spring Boot,

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Contract, Third Party

Depends on Experience

Ruby on Rails Developer

Remote

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11d ago

Iris s leading client is looking for Ruby on Rails Developer to join their team. It s a fully remote role. Job Title: Ruby on Rails Developer Key skills : Ruby on Rails Developer with Sidekiq Location: fully remote Duration: Long Term contract Job Description: We are seeking a skilled and innovative Ruby on Rails Developer to design, build, and maintain robust full-stack web applications. In this role, you will lead backend logic development, manage central databases, and ensure top performance

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Full-time

Depends on Experience

Ruby on Rails developer

Remote

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6d ago

Key Responsibilities Develop, enhance, and maintain applications using Ruby on Rails. Design, develop, and consume RESTful APIs and microservices. Perform application modernization, including Rails version upgrades and dependency management. Analyze and remediate security vulnerabilities, CVEs, and code quality issues. Collaborate with product owners, architects, QA teams, and business stakeholders. Ability to work in a fast-paced application modernization environment. Capable of contributing fr

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Contract

Depends on Experience

Technical Lead - Ruby / Ruby on Rails

Remote

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Today

Capital Technology Group provides expert consulting services software development, digital transformation, human-centered design, data analytics and visualization, and cybersecurity. Our multidisciplinary teams use agile methodologies to rapidly and incrementally deliver value in close collaboration with our clients. For over a decade, we have been trusted by both federal and commercial clients to solve complex, mission-critical business challenges. The quality of our work has been recognized by

Full-time

USD 120,000.00 - 165,000.00 per year

Jr. Ruby On Rails Developer - Remote or Grand Rapids

Remote

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Today

The Jr. Ruby on Rails Developer is responsible for developing new applications, enhancing existing applications, and interfacing with a legacy ERP system. The Jr. Ruby on Rails Developer works closely with the Business Systems Manager, Information Systems team, and IT Manager to create applications that improve productivity across the business. Essential Duties and Responsibilities Write, clean, maintainable, and efficient code Design robust, scalable, and secure features Analyzes business app

Full-time

Staff Software Engineer, PEO Benefits

Denver, Colorado

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Today

About Gusto At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff - payroll, health insurance, 401(k)s, and HR - so owners can focus on their craft and their customers. With teams in Denver, San Francisco, and New York, we support more than 500,000 small businesses nationwide and are building a workplace that reflects the people we serve. All full-time employees receive competitive base pay, benefits, and equity (RSUs) - because everyone who helps build Gust

Full-time

USD 163,000.00 - 204,000.00 per year

Senior DevOps ServiceNow Developer

Denver, Colorado

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Today

MANTECH seeks a motivated, career and customer-oriented Senior DevOps ServiceNow Developer to join our team in Aurora, CO. In this role, you will help design, develop, and implement critical ServiceNow solutions that support our customer?s mission-critical business requirements. Responsibilities include but are not limited to: Develop ServiceNow solutions and enhancements using core platform capabilities to support business requirements. Develop applications including configuration, report de

Full-time

Space Vehicle Test Engineer Sr

Littleton, Colorado

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8d ago

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. Do you want to join a team where employees envision the impossible, perform with excellence and build incredible products? What

Full-time

USD 89,300.00 - 157,550.00 per year

Senior Staff Engineer - Tax Platform Engineering

Denver, Colorado

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Today

Full-time

USD 223,000.00 - 278,000.00 per year

Senior Software Engineer, Infrastructure/Developer Tooling (Hybrid)

Denver, Colorado

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Today

Hi, Future Homie! At Homebase, you'll join a team that's bold, fast-moving, and obsessed with helping small businesses thrive. We build with empathy, act with urgency, and take big swings that drive real-world impact. Here, every Homie shows up to raise the bar, support one another, and celebrate wins as a team. We're not just building an app-we're building unstoppable teams. So what do you say, are you in? Your Impact Starts Here We're looking for a Senior Software Engineer (Infrastructure/D

Full-time

Software Engineer, ML Platform

Denver, Colorado

•

Today

Full-time

USD 160,000.00 - 200,000.00 per year

Space Vehicle Electrical Test Engineer - CLEARANCE REQUIRED

Littleton, Colorado

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8d ago

Job Description Must have an Active Top Secret clearance with ability to obtain TS/SCI w/ Poly. The coolest jobs on this planet or any other are with Lockheed Martin Space. Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. Do you want to join a team where employees envis

Full-time

USD 73,400.00 - 129,260.00 per year

Space Vehicle Electrical Test Engineer Sr - CLEARANCE REQUIRED

Littleton, Colorado

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8d ago

Job Description Must have an Active Top Secret w/ Poly clearance The coolest jobs on this planet or any other are with Lockheed Martin Space. Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. Do you want to join a team where employees envision the impossible, perform wi

Full-time

USD 89,300.00 - 157,550.00 per year

BESS Project Manager

Denver, Colorado

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Today

Steady growth with a leading EPC within the power industry! This Jobot Job is hosted by: Ruby Voight Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $120,000 - $160,000 per year A bit about us: We are a leading provider of infrastructure solutions supporting the energy transition across North America, delivering complex projects that power communities and strengthen the grid. With decades of experience in engineering, procurement, and const

Full-time

USD 120,000.00 - 160,000.00 per year

Staff Software Engineer, Screenings & Verifications

Denver, Colorado

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Today

About CheckrCheckr is building the data platform to power safe and fair decisions. Over 140,000 companies and millions of people rely on Checkr for AI verification in the moments that matter most: getting a new job, a new place to live, a car ride, childcare, even a date. Customers include Uber, Pennymac, Airbnb, Doordash, and Anthropic. We're a team that thrives on solving complex problems with innovative solutions that advance our mission. Checkr is recognized on Forbes Cloud 100 2025 List an

Full-time

USD 224,000.00 - 264,000.00 per year

DevOps I Linux, AWS, Release Management

Hybrid in Englewood, Colorado

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Today

Title: DevOps I Linux, AWS, Release Management Location: Englewood, CO Type: Contract Our direct client is seeking an Engineer 1, Software Development & Engineering, for its fast-growing, fast-moving team of world-class experts who are continuously innovating IP Content Delivery. As an E1 for the CDN OpsEng team, this role will deploy, manage, and troubleshoot the hardware and software that supports CDN applications and develop tools to help drive automation. As the CDN continues to scale we

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Contract

Depends on Experience

Space Vehicle Test Engineer Sr. Stf

Littleton, Colorado

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8d ago

Job Description Must have an Active Top Secret Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more- we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We'

Full-time

USD 128,400.00 - 226,435.00 per year

IT Systems DevOps Engineer

Remote or Denver, Colorado

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Today

About Our Company: Headquartered in Denver, Colorado, Cologix is a leading North America network-neutral interconnection and hyperscale edge data center company. Our platform gives customers access to 45+ digital edge and Scalelogix hyperscale edge data centers in 13 markets across the United States and Canada along with a carrier-dense ecosystem of 710+ networks, 360+ cloud providers, 35+ onramps and seven Internet exchanges. We provide our nearly 2,000 customers with direct access to our loc

Full-time

USD 100,000.00 - 130,000.00 per year

Full Stack Engineer

Denver, Colorado

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Today

Sensor Tower's digital intelligence platform provides unparalleled insight into market trends, advertising, competitor's strategies, and consumer/user audience across mobile, web, and gaming. Sensor Tower's insights are trusted by more than 2,500 enterprises worldwide across tech, retail/commerce, entertainment/media, gaming, consumer packaged goods, finance, and investment. About this role: We're looking for a Full Stack Developer (main back end focus) to work on our advertising analytics pla

Full-time

USD 120,000.00 - 145,000.00 per year

Ruby jobs in Littleton, CO, USA