Ruby On Rails Developer jobs in Washington – Browse 1,109 openings on RoboApply Jobs

Ruby On Rails Developer jobs in Washington

Open roles matching “Ruby On Rails Developer” with location signals for Washington. 1,109 active listings on RoboApply Jobs.

1,109 jobs found

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eproinc logoeproinc logo
Contract|On-site|Washington

Position: Ruby on Rails DeveloperLocation: Washington, DCInterview Process: In-PersonJob Overview: We are seeking a talented Ruby on Rails Developer who possesses a deep understanding of Ruby on Rails and related technologies. This role requires a strong background in object-oriented programming and a passion for writing clean, maintainable code. The ideal c…

Nov 9, 2016
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Steer North America logo
Full-time|$120K/yr - $120K/yr|On-site|Washington, District of Columbia, United States

At Steer North America, we are dedicated to transforming the future of mobility, urban development, and infrastructure. Our mission is to create more interconnected, sustainable, and accessible transportation systems that enhance the quality of life for communities.As an employee-owned international consultancy, Steer specializes in transportation and infrastructure, merging global expertise with local insights to assist both public and private sector clients in overcoming intricate mobility challenges and making informed decisions regarding the movement of people and goods.Our teams provide strategic advice to governments, transit agencies, airports, infrastructure investors, and private mobility operators, covering areas from strategic planning to operational execution. Our impactful projects, from significant transit investments to airport enhancements and innovative mobility solutions, shape transportation networks that serve millions.What sets Steer apart is our people — inquisitive thinkers, collaborative problem solvers, and passionate changemakers committed to the communities we support. Joining Steer means engaging in meaningful projects, sharing impactful ideas, and developing a career that truly makes a difference.What You Will Be Involved In:We are on the lookout for a seasoned professional to elevate our Rail & Transit practice through their extensive knowledge in operations and maintenance cost modeling, business planning and modeling, ancillary revenue forecasting, financial model preparation and due diligence, and public-private partnership advisory. As a key member of our Rail and Transit team, you will be instrumental in delivering intricate components of large-scale transportation and rail initiatives while driving business development with prospective clients.The ideal candidate will possess substantial technical expertise in Commercial Advisory, particularly in the rail and transit domain.Key Responsibilities:Executing Complex ProjectsServe as project or technical leader on a portfolio of projects, focusing on Commercial Advisory services, ensuring compliance with scope, schedule, and budget while upholding the highest quality standards and client satisfaction.Effectively manage risks in alignment with company policies and procedures.Balance client objectives with thorough reviews and delivery tasks as necessary.Building Client Relationships & Business DevelopmentExpand the Commercial Advisory portfolio, advocating and marketing Steer's services to both existing and prospective clients.Establish long-term relationships with key clients, partners, and industry stakeholders.Support business development initiatives, including pre-positioning, proposal crafting, presentations, and negotiations.Utilize your personal expertise to represent Steer externally, showcasing its core values and capabilities in the marketplace.Broader ResponsibilitiesDevelop and mentor staff, focusing on technical skill enhancement, career development, and fostering a culture of excellence.

Mar 13, 2026
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usm2 logousm2 logo
Contract|On-site|Washington

Join usm2 as a Quality Assurance Tester specializing in Ruby and Cucumber. We are looking for detail-oriented professionals who are passionate about ensuring software quality and performance. In this role, you will be responsible for designing and executing test plans, identifying bugs, and collaborating closely with development teams to enhance software quality.

Jan 18, 2017
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TKDA logoTKDA logo
Full-time|On-site|SEA - Seattle, Washington

Are you eager to leverage your electrical engineering skills within a collaborative and innovative environment? At TKDA, we take pride in being a 100% employee-owned firm, where each member contributes to our collective success. Joining our team means you’re not only working on impactful projects but also shaping your professional future.We are currently seeking a Professional Electrical Engineer with a robust background in building and industrial power, lighting, and signal system design to enhance our Rail team based in Seattle, WA.Your ResponsibilitiesAs a pivotal member of our Rail Electrical team, you will work closely with specialists in Electrical, Mechanical, Civil, Structural, and Architectural fields to devise innovative solutions for Class I Railroads and Mass Transit organizations across the nation. Whether working on new facilities or significant renovations, your contributions will ensure that essential infrastructure remains operational.In this capacity, you will:- Spearhead electrical engineering initiatives from initial concept to construction, crafting safe, reliable, and sustainable designs tailored to client specifications.- Design power systems, encompassing industrial and commercial applications, generators, and EV charging infrastructure.- Create comprehensive designs for interior and exterior lighting, site power plans, single-line diagrams, panelboard schedules, conduit and cable layouts, along with detailed construction drawings.- Assist in construction administration by addressing contractor RFIs, evaluating submittals, and conducting site observations to verify adherence to plans and specifications.

Dec 26, 2025
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TKDA logoTKDA logo
Full-time|On-site|SEA - Seattle, Washington

Are you ready to make a significant impact? Join our employee-owned, multidisciplinary team as a Professional Mechanical Engineer in our Rail group based in Seattle!This role is not just another engineering position; you will collaborate with a diverse team of Mechanical, Electrical, Civil, Structural, and Architectural professionals. Together, we work on critical projects that enhance the nation’s transportation infrastructure. From Class I and shortline railroads to commuter rail agencies, transit systems, municipalities, ports, and private developers, you will help design and implement solutions that truly matter.Your Responsibilities:- Engage in a variety of projects including fueling facilities, loading/unloading systems, maintenance facilities, tank farms, pump stations, and railyard operations.- Develop comprehensive plans, studies, and detailed designs for industrial mechanical systems and building systems. This includes creating process flow diagrams, piping and instrumentation diagrams, equipment layouts, and HVAC/plumbing systems.- Oversee construction administration by interpreting plans, observing operations, and ensuring compliance with specifications.- Collaborate closely with clients and internal teams to define project scope, manage budgets and schedules, and uphold quality standards.Why You Will Love Working Here:- Play a pivotal role in shaping our projects; as an employee-owned company, your ideas are valued.- Contribute to projects that positively impact transportation and infrastructure.- Be a part of a team that prioritizes creativity, problem-solving, and professional growth.

Dec 29, 2025
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TKDA logoTKDA logo
Full-time|On-site|SEA - Seattle, Washington

Are you ready to take the lead on projects that not only transport individuals but also redefine urban landscapes? At TKDA, we are seeking a licensed Professional Engineer who is not only enthusiastic about infrastructure but also invigorated by the chance to spearhead transformative transit initiatives in Seattle and beyond.About UsTKDA is a 100% employee-owned firm specializing in engineering, architecture, and planning with over a century of experience. Since our establishment in 1910, we have cultivated a reputation for building reliable partnerships and delivering sustainable solutions. Our multidisciplinary teams collaborate to tackle real-world challenges with innovation, accuracy, and a sense of purpose.Our Rail DivisionFrom Class I freight lines to commuter rail systems, TKDA’s Rail Division provides holistic engineering services that connect communities and facilitate commerce. We oversee new constructions, intricate renovations, and multidisciplinary design projects for both public and private sectors. Our engineers are recognized for their technical skills, teamwork, and dedication to excellence.Your Role as Project ManagerIn the capacity of Project Manager, you will be the catalyst for multidisciplinary rail projects, leading civil, structural, mechanical, and electrical design teams from inception through to execution. You will manage project frameworks, coordinate deliverables, and ensure effective communication across all disciplines. Additionally, you will oversee construction administration and project assessments, guaranteeing that every milestone aligns with client expectations and budgetary goals.

Sep 8, 2025
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TKDA logoTKDA logo
Full-time|On-site|SEA - Seattle, Washington

Join TKDA, a 100% employee-owned engineering firm with a rich history of 115 years dedicated to advancing communities and transportation systems. We are actively seeking a Senior Project Manager to spearhead our expanding Transit practice in Seattle, contributing to significant rail and transit projects in one of the most vibrant transportation markets in the U.S.Role Overview: This position is primarily focused on project management (80%) with a secondary emphasis on marketing (20%). You will oversee complex technical projects while also enhancing our visibility and influence in the Seattle region.Lead Complex Transit Initiatives: As the technical authority on diverse rail and transit projects, you will develop transit infrastructure, maintenance facilities, electrical systems, and operational facilities, ensuring compliance with industry standards and client specifications from concept through to construction support.Ensure Project Excellence: You will manage project budgets, timelines, and deliverables to achieve outstanding outcomes. This includes guiding the creation of engineering documentation, specifications, cost estimates, and performing quality assurance throughout all project phases.Foster Collaborative Solutions: Collaborate closely with interdisciplinary teams and external partners, including structural, civil, mechanical, electrical, and architectural specialists to deliver comprehensive solutions. You will maintain robust client relationships and engage in field investigations and design coordination meetings.Support the Complete Project Lifecycle: Provide ongoing engineering services such as RFI responses, contractor submittal reviews, as-built documentation support, and field inspections.Nurture Future Leaders: Mentor and develop junior engineering staff and project coordinators, creating a culture of technical excellence and professional development.Expand Our Seattle Footprint: Engage in business development activities, including proposal preparation and client relationship management, to enhance our Transit and Rail practice visibility in the local market.

Jan 16, 2026
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AECOM logoAECOM logo
Full-time|On-site|Seattle

The Director of Transit/Rail and Client Account Management for the Pacific Northwest is a visionary leader focused on growth and collaboration. This role involves working closely with the Division Manager and other senior leaders to mentor staff in a fast-paced environment, driving business development, project management, and technical excellence while ensuring profitability. The ideal candidate is a civil engineer with substantial delivery experience and a strong understanding of growth and profit and loss management.Key Responsibilities Include:Serve as a prominent representative for AECOM in the region, enhancing visibility and engagement.Develop and nurture a high-performing team within a dynamic growth environment.Support the strategic growth and sales initiatives of AECOM’s Transit-Rail Services.Consistently embody AECOM’s commitment to safety and promote a culture that prioritizes safety.Build strong client relationships, focusing on delivering value and fostering a client-centric culture.Collaborate with operations and senior leadership on staffing, recruiting, retention, and employee engagement.Enhance project performance while ensuring quality, safety, and operational profitability.Contribute to a diverse, inclusive, and innovative culture in the West Coast region.Lead negotiations for contractual and financial agreements with clients and sub-consultants.Strategically manage the financial execution of the division’s profit and loss.

Mar 12, 2026
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Mindlance logoMindlance logo
Full-time|On-site|Redmond

Join Mindlance as an Azure Developer / Cloud Developer and contribute to innovative cloud solutions that drive business transformation. In this role, you will collaborate with cross-functional teams to design, develop, and implement cloud-based applications leveraging Microsoft Azure technologies. Your expertise will be crucial in optimizing cloud infrastructure and ensuring the security and efficiency of our systems.

Nov 17, 2016
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usm2 logousm2 logo
Full-time|On-site|Lacey

Join our dynamic team as a .NET Developer! We are seeking a skilled and motivated individual to contribute to our innovative projects. As a part of our development team, you will be responsible for designing, developing, and maintaining software applications using the .NET framework.This role is ideal for someone who thrives in a collaborative environment and is eager to tackle challenging problems. Your expertise in .NET technologies will play a crucial role in enhancing our software solutions.

Aug 31, 2016
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usm2 logousm2 logo
Full-time|On-site|Seattle

Join our innovative team at usm2 as a SharePoint Developer. In this role, you will be responsible for designing, implementing, and maintaining SharePoint solutions that enhance collaboration and productivity within our organization. We are looking for a skilled developer who can work effectively in a fast-paced environment and contribute to exciting projects.

Aug 31, 2016
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SanMar logoSanMar logo
Full-time|On-site|Issaquah, WA

At SanMar, your contributions have a meaningful impact.What is the Role About?The Product Developer plays a pivotal role in the journey from concept to market, overseeing fabric and trim approvals, color selection, testing protocols, sample evaluations, cost assessments, and compliance documentation.What Will You Be Responsible For?Facilitating the entire product creation cycle, ensuring the development of fabrics, trims, and styles for prototype approval.Creating and maintaining detailed technical product specifications including BOM, trims, labels, packaging, and relevant technical images.Collaborating with Regional Offices to negotiate costs, aiming for improved product margins and resource optimization.Managing lab-dip requests with vendors, working alongside the Color and Merchandising team to ensure timely submissions.Coordinating testing protocols for new and re-sourced styles with the PI team and Decorator Relations team.Keeping track of tested materials and samples, and communicating testing results to suppliers and QA.Overseeing the Product Creation Calendar to ensure timely deliverables across the cross-functional team.Managing the ELC chart and maintaining seasonal costing estimates, while providing comparisons to Merchandising and Management.Reviewing and providing feedback on Pre-Production and Top of Production samples in collaboration with Tech Design partners.Organizing photo shoots and salesman sample processes on a seasonal basis, ensuring quality and color accuracy.Ensuring compliance with safety and classification requirements throughout the development cycle.Addressing production and delivery challenges while supporting continuous improvement initiatives.Maintaining the fabric swatch library, top-of-production sample library, style files, and sample racks.Proofreading marketing materials for content accuracy.Overseeing the resourcing process for current products and programs, maintaining change logs and product databases.Potential for domestic and/or international travel as required.Undertaking additional duties as assigned.Adhering to all company policies and standards.

Apr 7, 2026
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UiPath logoUiPath logo
Full-time|On-site|Bellevue

Role Overview UiPath is looking for a Principal Developer Advocate based in Bellevue. This position focuses on championing the developer experience and building strong connections within the UiPath community. The Principal Developer Advocate leads programs that highlight UiPath’s automation solutions and ensures developers’ voices are heard as the ecosystem grows. What You Will Do Lead efforts to enhance and promote UiPath’s automation tools to developers. Represent developer needs and feedback to internal teams. Engage with the community through events, content, and direct interaction. Support collaboration and knowledge sharing among developers working with UiPath technologies. What We’re Looking For Strong technical background in software development or automation. Excellent communication and presentation skills. Experience building or supporting developer communities. Genuine interest in collaboration and helping others succeed.

Apr 17, 2026
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Artech Information Systems LLC logoArtech Information Systems LLC logo
CQ5 Developer

Artech Information Systems LLC

Contract|On-site|Seattle

Join Artech Information Systems LLC as a CQ5 Developer in Seattle! We are seeking a talented and passionate individual to contribute to our innovative projects. As part of our team, you will work on developing and enhancing CQ5 applications, collaborating with cross-functional teams to deliver exceptional solutions.

Mar 17, 2015
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Epro Inc. logoEpro Inc. logo
Full-time|On-site|Washington

Join Epro Inc., a leader in innovative software solutions, as a SharePoint Developer. In this role, you will leverage your expertise in SharePoint to develop, enhance, and maintain robust applications that meet our clients' needs. Collaborate with cross-functional teams to deliver high-quality solutions and contribute to the overall success of our projects.

Jan 13, 2014
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Mindlance logoMindlance logo
Full-time|On-site|Washington

Join our dynamic team at Mindlance as a Java Developer. In this role, you will be responsible for developing robust applications and systems that enhance our clients' capabilities. You will work closely with cross-functional teams to design and implement solutions that meet business needs. Your expertise in Java will be crucial in driving the success of our projects.

Jul 5, 2016
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Sonsoft Inc. logoSonsoft Inc. logo
Java Developer

Sonsoft Inc.

Full-time|On-site|Bellevue

Join our dynamic team at Sonsoft Inc. as a Java Developer. In this role, you will be responsible for designing, developing, and maintaining high-performance Java applications that meet our clients' needs. You will collaborate closely with cross-functional teams to deliver innovative software solutions and contribute to all phases of the development lifecycle.

Nov 29, 2016
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usm2 logousm2 logo
Contract|On-site|Washington

We are seeking a skilled Documentum Developer to join our dynamic team at usm2. In this role, you will leverage your expertise in Documentum to design, develop, and implement high-quality software solutions. You will work closely with project managers and other developers to ensure that our applications meet the needs of our clients.

Feb 27, 2017
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usm2 logousm2 logo
Contract|On-site|Washington

Join usm2 as a talented UI Developer and contribute to the creation of innovative user interfaces that enhance user experience. We are looking for a detail-oriented individual who thrives in a fast-paced environment and is passionate about delivering high-quality results.

May 18, 2016
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Intellidyne, LLC logoIntellidyne, LLC logo
Java Developer

Intellidyne, LLC

Full-time|On-site|Washington, DC

About the Role Intellidyne, LLC is hiring a Java Developer in Washington, DC. This position focuses on designing, building, and maintaining software applications using Java. Projects support client needs and often involve complex problem-solving alongside other specialists. What You Will Do Develop and maintain software applications in Java Work closely with cross-functional teams to deliver solutions Troubleshoot and resolve technical challenges as they arise Contribute ideas to improve development practices and processes Location This role is based in Washington, DC.

Apr 14, 2026

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