ruby on rails Jobs in chicago, il

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Full Stack Ruby On Rails Developer (REMOTE)

TEKsystems c/o Allegis Group

Remote or Cupertino, California, USA

Full-time

**THIS IS A CONTRACT ROLE** Description Build out new capabilities in an existing Ruby on Rails web application. Write consistent well thought out unit and system tests for all new features. Build out features that enhance existing CRUD operations of the existing evaluation data model and framework. Deliver consistent simple solutions that correspond to the existing css and JS conventions in the platform. Enhance the web UI with new user interfaces that make the collection of data intuitive for

Senior Ruby On Rails, RoR Developer (REMOTE)

TEKsystems c/o Allegis Group

Remote or Cupertino, California, USA

Full-time

**THIS IS A CONTRACT POSITION** **Cannot sponsor at this time** **Open to candidates in the US** **W2 ONLY** Description: Responsible for the development and design of web applications and components. Design, code, test, and implement websites and applications, for either internal or external uses. Troubleshoot and resolve issues surrounding performance, response times, capacity, and system limitations. Responsible for creating and modifying documentation corresponding to websites. May collabora

Ruby on Rails Architect

Aroghia

Remote

Contract, Third Party

Job Title: Ruby on Rails Architect Location: Remote Duration: 6+ months Key Responsibilities: Develop and maintain robust, scalable, and secure applications using Ruby on Rails for backend and React for frontend. Design and implement RESTful APIs and integrate third-party services. Optimize application performance and troubleshoot/debug production issues. Collaborate with product managers, designers, and other developers to enhance user experience. Follow best practices in CI/CD, testing, and

Principal Ruby on Rails Engineer/ ATL/ Remote/ Greenfield

Motion Recruitment Partners, LLC

Remote or Atlanta, Georgia, USA

Full-time

We just partnered with a B2C shop in downtown ATL- you'll be building a bunch of new products for 2025 initiatives in the hottest industry in the US. The products you'll be building are customer facing and you'll have a significant impact on the organizations ability to release new products. You will be entering into one of the hottest industries across the US due to recent legislation changes- in regard to following the money, this is the right spot to land in. Tons of ability for upward mobili

Sr. Software Developer/Engineer - Ruby on Rails

McKesson Corporation

Remote or Columbus, Ohio, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien

Senior Full Stack Engineer / ClimateTech / React + Ruby on Rails / NYC or Remote

Motion Recruitment Partners, LLC

Remote or New York, New York, USA

Full-time

Senior Full-Stack Engineer Join a mission-driven startup at the intersection of climate and fintech, dedicated to making sustainable building upgrades-like heat pumps, batteries, and EV chargers-more affordable and accessible. We are looking for a Senior Full-Stack Engineer to build products and features that empower contractor and manufacturer partners to accelerate the adoption of energy-efficient solutions. This role is ideal for engineers who thrive in fast-paced environments, enjoy working

Lead, Software Full Stack Engineer - Data Protection

Northern Trust

Chicago, Illinois, USA

Full-time

About Northern Trust: Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889. Northern Trust is proud to provide innovative financial services and guidance to the world's most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world'

Fullstack developer with NodeJS

Wilco Source, LLC

Remote

Third Party, Contract

"Looking for 12+years candidates" Application Modernization (Strangler Pattern): Work with the workstream lead for the incremental migration of 100+ legacy applications to a modern Node.js (TypeScript) backend and React frontend.Design and implement modular services to "strangle" legacy components, ensuring seamless integration and minimal disruption.Collaborate with architects to define migration roadmaps, prioritize high-impact modules, and maintain HIPAA compliance Frontend Development: Mode

Rubyon Rails Architect - Remote

Mudrasys

Remote

Third Party, Contract

Position: Ruby on Rails Architect Location: Remote Duration: 6-12months Job Description: Key Responsibilities: Develop and maintain robust, scalable, and secure applications using Ruby on Rails for backend and React for frontend.Design and implement RESTful APIs and integrate third-party services.Optimize application performance and troubleshoot/debug production issues.Collaborate with product managers, designers, and other developers to enhance user experience.Follow best practices in CI/C

Full Stack Developer

Madison-Davis, LLC

Remote

Contract

Role: Design, develop, and maintain sophisticated web applications using Java, Angular, Ruby on Rails, React, and AWS services.Contribute to solution design by collaborating with product owners, UX designers, and engineering peers throughout the development lifecycle.Produce clean, maintainable, and well-documented code aligned with software development best practices.Implement automated testing and perform comprehensive validation to deliver production-ready software in an Agile sprint cycle.En

Cloud Engineer III

Walgreens

Deerfield, Illinois, USA

Full-time

Job Description Job Summary As Cloud Engineer , you will work some of the smartest minds in the industry to build Cloud foundations at scale. You will enable other parts of the organization to build solutions for customers. You will work with Architects, Security experts and software engineers to translate requirements into components and APIs that can operate at scale. You will create reusable cloud components with Walgreens standards while providing best developer experience. You will enable

Staff Software Engineer, Backend (Platform - Risk Platform)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Software Engineer, Backend (Consumer Products)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Software Engineer, Backend (Institutional - Prime)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Software Engineer, Backend (Institutional - Foundations)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Staff Software Engineer, Backend (Platform)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Staff Software Engineer, Backend (Consumer)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Internship, Fullstack Software Engineer, Fleetnet (Fall 2025)

Tesla Motors

Remote or Palo Alto, California, USA

Full-time

Consider before submitting an application: This position is expected to start around Aug/Sep 2025 and continue through the Fall term (approximately December 2025). We ask for a minimum of 12 weeks, full-time and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. entry level candidates seeking employment after graduation and not returning to school should apply for full-time positions, not internships. International Students: I

Staff Software Engineer, Backend (Institutional - Foundations)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Engineering Manager

Calendly

Remote

Full-time

About the team & opportunity What's so great about working on Calendly's Engineering team? We make things possible for our customers through innovation. Why do we need you? Well, we are looking for an Engineering Manager who has a strong background in people management, technical strategy and execution, and the ability to help grow our organization. You will work directly with the Senior Engineering leadership in our Product Engineering group, and will be helping the company realize its vision