Senior Full-Stack Engineer (Ruby on Rails) WunderSenior Full-Stack Engineer (Ruby on Rails)Boulder, CO$190,000–$250,000 / yearHere are some of the ways we strive to ensure everyone feels welcome, safe and free to be themselves at Wunder: A holistic, actionable DEI learning strategy that enables all team members to advance inclusivity in a meaningful way. Excited About Cleantech - You are motivated to build technology which drives our clean energy future and, ideally, you are familiar with building the systems necessary to facilitate assessment, development, and management of energy assets.
Senior Full-Stack Engineer Ruby on Rails Wunder Capital LLCSenior Full-Stack Engineer Ruby on RailsBoulder, CO$190,000–$250,000 / yearHere are some of the ways we strive to ensure everyone feels welcome, safe and free to be themselves at Wunder: A holistic, actionable DEI learning strategy that enables all team members to advance inclusivity in a meaningful way. Excited About Cleantech - You are motivated to build technology which drives our clean energy future and, ideally, you are familiar with building the systems necessary to facilitate assessment, development, and management of energy assets.
Senior Backend Engineer (Ruby on Rails) WunderSenior Backend Engineer (Ruby on Rails)Boulder, CO$190,000–$250,000 / yearHere are some of the ways we strive to ensure everyone feels welcome, safe and free to be themselves at Wunder: A holistic, actionable DEI learning strategy that enables all team members to advance inclusivity in a meaningful way. Excited About Cleantech - You are motivated to build technology which drives our clean energy future and, ideally, you are familiar with building the systems necessary to facilitate assessment, development, and management of energy assets.
Senior Backend Engineer Ruby on Rails Wunder Capital LLCSenior Backend Engineer Ruby on RailsBoulder, CO$190,000–$250,000 / yearHere are some of the ways we strive to ensure everyone feels welcome, safe and free to be themselves at Wunder: A holistic, actionable DEI learning strategy that enables all team members to advance inclusivity in a meaningful way. Excited About Cleantech - You are motivated to build technology which drives our clean energy future and, ideally, you are familiar with building the systems necessary to facilitate assessment, development, and management of energy assets.
Rail Operator Martin Marietta Materials IncRail OperatorCanon City, CO$26.90–$36.40 / hourThe Rail Operator is a critical member of the Martin Marietta/Rock & Rail LLC logistics team, responsible for the safe, efficient, and reliable movement of freight trains, aggregates, and materials within our quarry, plant, and yard rail networks. In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs.
Software Engineer - Web Developer (Top Secret with agreement to obtain CI Poly) North Point TechnologySoftware Engineer - Web Developer (Top Secret with agreement to obtain CI Poly)Littleton, COFrontend web development using modern techniques and frameworks (e.g., HTML5, CSS3, CSS frameworks like LESS and SASS, Responsive Design, Bourbon, Twitter Bootstrap). North Point Technology is THE BEST place to work for curious-minded engineers motivated to support our country's most crucial missions!
NewSoftware Engineer II Blue Origin Enterprises LPSoftware Engineer IIDenver, CO$123,714–$173,199.60 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Staff Software Engineer, Developer Productivity Async Gusto IncStaff Software Engineer, Developer Productivity AsyncDenver, CO$189,000–$210,000 / yearAbout the Role: As an engineer on the Developer Productivity - Async team, you will work on improving developer productivity by enhancing the tools and systems used by product engineers. 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.
NewStaff Software Engineer RecurlyStaff Software EngineerBroomfield, COWe also offer life insurance, short and long-term disability, hospital indemnity, critical illness coverage, employee accident protection, health savings account (HSA) with company contribution & flexible spending account (FSA) options, employee assistance program, Legal and Pet Insurance. This is a high-impact opportunity for a senior technical leader who thrives on cross-functional influence, enjoys mentoring engineers at all levels, and wants to make a direct mark in both the MarTech and Payments spaces.
Sr. Software Engineer - Accounting AppFolio, IncSr. Software Engineer - AccountingRemote - Denver, CORemote$138,400–$173,000 / yearThis is an ideal opportunity for someone who has a passion for building leading-edge software, thrives on solving complex business logic, and is driven to help build a successful SaaS product used by thousands of happy businesses. Full-Stack Engineering: Develop scalable, robust, and performant solutions using our core stack (Ruby on Rails, TypeScript, GraphQL, React) to solve complex business problems.
NewStaff Software Engineer Recurly, IncStaff Software EngineerBroomfield, COThis is a high-impact opportunity for a senior technical leader who thrives on cross-functional influence, enjoys mentoring engineers at all levels, and wants to make a direct mark in both the MarTech and Payments spaces. Technical Leadership: Set the technical direction for key platform initiatives - defining architecture, establishing patterns, and driving alignment across engineering teams.
Software Engineer II (Frontend) Scribd, IncSoftware Engineer II (Frontend)Denver, COIn the United States, outside of California, the reasonably expected salary range is between $103,000 [minimum salary in our lowest US geographic market outside of California] to $185,500 [maximum salary in our highest US geographic market outside of California]. For us, it also serves as a practical framework for how we work: setting and achieving Goals, delivering Results within your role, contributing Innovative ideas and solutions, and strengthening the broader Team through collaboration and attitude.
Software Engineer (Backend, Python) - Content Understanding Scribd, IncSoftware Engineer (Backend, Python) - Content UnderstandingDenver, COIn the United States, outside of California, the reasonably expected salary range is between $103,500 [minimum salary in our lowest US geographic market outside of California] to $186,500 [maximum salary in our highest US geographic market outside of California]. You'll work closely with ML engineers, product managers, and cross-functional partners to integrate machine learning models and LLM-based services into production pipelines and deliver impactful, high-performance solutions.
Software Engineer II (Signup & Activation) Scribd, IncSoftware Engineer II (Signup & Activation)Denver, COIn the United States, outside of California, the reasonably expected salary range is between $103,000 [minimum salary in our lowest US geographic market outside of California] to $185,500 [maximum salary in our highest US geographic market outside of California]. For us, it also serves as a practical framework for how we work: setting and achieving Goals, delivering Results within your role, contributing Innovative ideas and solutions, and strengthening the broader Team through collaboration and attitude.
Sr. Software Engineer - Mixed Portfolio Foundation AppFolio IncSr. Software Engineer - Mixed Portfolio FoundationDenver, CO$138,400–$173,000 / yearDevelop scalable, robust, and simple web-based solutions to solve complex business problems - this will involve some combination of leveraging our existing technology, refactoring, integrating with partners, or starting from scratch when it makes sense. This is an ideal opportunity for someone who has a passion for building leading-edge software and solving problems with long term solutions in order to build a scalable successful SaaS product used by thousands of happy businesses.
Sr. Software Engineer - Accounting AppFolio IncSr. Software Engineer - AccountingCO$138,400–$173,000 / yearThis is an ideal opportunity for someone who has a passion for building leading-edge software, thrives on solving complex business logic, and is driven to help build a successful SaaS product used by thousands of happy businesses. Full-Stack Engineering: Develop scalable, robust, and performant solutions using our core stack (Ruby on Rails, TypeScript, GraphQL, React) to solve complex business problems.
Director Of Software Engineering and Architecture CO/ NJ InternalDirector Of Software Engineering and ArchitectureColoradoThis role combines technical leadership, architectural ownership, and delivery accountability across large-scale digital platforms supporting student/learner experience, applications, and data ecosystems. Through partnerships with the world’s leading colleges, universities, and companies, 2U delivers thousands of online programs to millions of learners worldwide on edX, its global learning platform.
Manager, Application Security Engineering AppFolio, IncManager, Application Security EngineeringRemote - Denver, CORemote$184,000–$230,000 / yearThe Manager, Application Security Engineering is responsible for overseeing AppFolio’s world-class Application Security team, ensuring that AppFolio’s software products and features are secure. Collaborate with colleagues across the Organization including Product Development to ensure that software products and features are built and deployed securely.
Retirement AI Staff Engineer Gusto IncRetirement AI Staff EngineerDenver, CO$164,000–$204,000 / yearWith 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. If you like being hands-on, making pragmatic technical decisions, working closely with product & design partners, and turning ideas into production features, you'll be a great fit.
Sr. Software Engineer - Owner/Investor AppFolio, IncSr. Software Engineer - Owner/InvestorRemote - Denver, CORemote$138,400–$173,000 / yearCompensation & BenefitsThe base salary that we reasonably expect to pay for this role is $138,400 - $173,000The actual base salary for this role will be determined by a variety of factors, including but not limited to the candidate’s skills, education, experience, etc. Who we are looking for: We are hiring a Full Stack Senior Software Engineer to join a young, high-growth, cross-functional product development team, and to help drive the engineering growth and evolution of our Investor segment.
Staff Engineer GivebutterStaff EngineerCOWere hiring a Staff Software Engineer to help build and evolve the systems that keep Givebutter safe, fraud detection, risk decisioning, abuse prevention, and the internal tooling our operations team needs to investigate and act at scale. Nonprofits use Givebutter to replace multiple tools so they can launch fundraisers and events, use donation forms and donor management (CRM), send emails and text blasts-all in one place.
Full Stack Engineer HomebotFull Stack EngineerDenver, ColoradoRemoteIn addition to base salary and bonus, all full-time employees are eligible to receive Equity Appreciation Rights (Stock Units) as part of their total compensation package, providing an opportunity to share in Homebot's long-term growth and success. With the mortgage and tech industries being highly male-dominated, we're proud to be a tech company in the mortgage space with ~40% female employees across the organization.
NewDirector, Software Engineering Zelis Healthcare, Inc.Director, Software EngineeringCO$169,000–$213,750 / yearThis is a place for builders with a growth mindset who act with agility, embrace change, and use modern technology to shape smarter solutions, exceptional experiences, and the future of our industry for our clients, customers, and our culture. Reporting to the Senior Director of Product Engineering, you will play a key role in delivering scalable, high-quality solutions that power provider search, rate calculation, and member rewards.
Software Engineer, Web Developer – Front‑End with Top Secret Maania Consultancy ServicesSoftware Engineer, Web Developer – Front‑End with Top SecretDenver, COFull timeFrontend web development using modern techniques and frameworks (e.g., HTML5, CSS3, CSS frameworks like LESS and SASS, Responsive Design, Bourbon, Twitter Bootstrap). Creating views and templates in full-stack frameworks like Rails, Express, or Django.
Senior ML Engineer TextUsSenior ML EngineerDenver, CO$180,000–$200,000 / yearWith a focus on innovation, ease of use, and delivering measurable results, our strategy is rooted in creating tools that outperform other messaging solutions while fostering trust and value for our customers and stakeholders. You're expected to use it heavily for your own work, and to push the org on where AI changes how ML itself gets built: synthetic eval generation, automated regression detection, faster experimentation loops.
Manager, Application Security Engineering AppFolio IncManager, Application Security EngineeringDenver, CO$184,000–$230,000 / yearThe Manager, Application Security Engineering is responsible for overseeing AppFolio's world-class Application Security team, ensuring that AppFolio's software products and features are secure. Impact | We are creating a world where living in, investing in, managing, and supporting communities feels magical and effortless, freeing people to thrive.
Sr. Software Engineer - Owner/Investor AppFolio IncSr. Software Engineer - Owner/InvestorDenver, CO$138,400–$173,000 / yearWho we are looking for: We are hiring a Full Stack Senior Software Engineer to join a young, high-growth, cross-functional product development team, and to help drive the engineering growth and evolution of our Investor segment. Use test-driven development, code reviews, and continuous integration to deliver Work closely with and incorporate feedback from other engineering team members, QA, product owners, and designers.
Senior Software Engineer RVO Health LLCSenior Software EngineerDenver, CO$118,000–$155,000 / yearRVO Health is comprised of Healthline Media (Healthline, Medical News Today, Psych Central, Greatist and Bezzy), Healthgrades, FindCare and PlateJoy; Optum Perks, and the virtual coaching platforms Real Appeal, Wellness Coaching, and QuitForLife. 3+ years of experience with BE frameworks such as Express or Ruby-on-Rails; Relational Databases such as SQL or Postgres; and ORMs such as Prisma, Sequelize, or TypeORM; as well as working knowledge of CI/CD and Infrastructure as code (IaC).
Principal Software Engineer, Money Group Gusto IncPrincipal Software Engineer, Money GroupCO$189,000–$236,000 / yearThis role spans strategy and execution: guiding architectural direction across a group of 15-20 engineers, vetting external partners, prototyping new product lines to unblock product decisions, extracting services from our monolith, and mentoring the engineers around you. Our teams build the products that give workers more control over their money - on-demand pay, high-yield cash accounts, automated savings, and credit-building features - all anchored to the paycheck relationship Gusto already powers.
Concrete Carpenter Haselden ConstructionConcrete CarpenterDenver, ColoradoWe are looking for a Concrete Carpenter to support self-perform concrete work, build and install formwork, assist with concrete placement, and help deliver safe, high-quality work on our projects. Install concrete-related items including embeds, anchor bolts, bulkheads, block outs, openings, rebar, wire mesh, vapor barrier, and other materials.
Sr. Software Engineer - Mixed Portfolio Foundation AppFolio, IncSr. Software Engineer - Mixed Portfolio FoundationRemote - Denver, CORemote$138,400–$173,000 / yearCompensation & BenefitsThe base salary that we reasonably expect to pay for this role is $138,400 - $173,000The actual base salary for this role will be determined by a variety of factors, including but not limited to the candidate’s skills, education, experience, etc. Develop scalable, robust, and simple web-based solutions to solve complex business problems - this will involve some combination of leveraging our existing technology, refactoring, integrating with partners, or starting from scratch when it makes sense.
Trailer Technician Epika Fleet Services, Inc.Trailer TechnicianDenver, Colorado$28–$34 / hourFull timeHandling brake systems, diagnostics, electrical systems, tires and other components, lift-gates, tires, Repairing damage and welding for major jobs. Come join Prestige Fleet Services , where we have cutting-edge technology that reduces your admin time - so you can focus less on paperwork and more on doing what you love.
Full Stack Software Engineer Black CapeFull Stack Software EngineerColorado Springs, COFull timeWe support many programs and agencies as both a prime and a subcontractor and created a strong reputation working with top tier partners doing work for all major Intelligence Community agencies, DoW, and Special Operations customers. Black Cape’s approach to solution development combines lessons learned from developing and deploying applications to customer cloud environments with industry best practices in Agile development and DevOps.
Trailer Technician Prestige Fleet ServicesTrailer TechnicianDenver, Colorado$28–$34 / hourFull timeHandling brake systems, diagnostics, electrical systems, tires and other components, lift-gates, tires, Repairing damage and welding for major jobs. Come join Prestige Fleet Services , where we have cutting-edge technology that reduces your admin time - so you can focus less on paperwork and more on doing what you love.
Freelance Node, React, Apollo/GraphQL Engineer Arcanium.ioFreelance Node, React, Apollo/GraphQL EngineerDenver, ColoradoYou are ruthlessly focused on hitting deadlines and delivering working, fully deployed products. You will work on projects ranging from greenfield 1 person MVPs to teams of 4-5 engineers following best practices.
Staff Software Engineer - Investor/Owner AppFolio, IncStaff Software Engineer - Investor/OwnerRemote - Denver, CORemote$167,200–$209,000 / yearYou have a track record of leading high-stakes projects from initial ambiguity to successful launch–aligning stakeholders, making tough technical trade-offs, and ensuring long-term system health. As a Staff Software Engineer, you will help us design and build best-in-class app experiences, transforming sophisticated business needs into robust, production-grade SaaS infrastructure and pages.
Staff Software Engineer - Investor/Owner AppFolio IncStaff Software Engineer - Investor/OwnerCO$167,200–$209,000 / yearWho we are looking for: We are looking for a pioneering technical leader to join a young, high-growth, cross-functional product development team, and to help drive the engineering growth and evolution of our Investor segment. You have a track record of leading high-stakes projects from initial ambiguity to successful launch-aligning stakeholders, making tough technical trade-offs, and ensuring long-term system health.
Senior Software Engineer II (Hybrid) HomebaseSenior Software Engineer II (Hybrid)Denver, ColoradoDeep expertise in identity systems — authentication protocols (OAuth 2.0, OIDC, SAML), session management, token lifecycle (JWT, refresh tokens, revocation), and authorization modeling (RBAC, ABAC, or policy-based access control). Lead the design of role-based and attribute-based access control (RBAC/ABAC) systems that reflect the real-world complexity of how small business teams work — managers, employees, owners, and everything in between.
Senior Software Engineer II (Hybrid) Homebase IncSenior Software Engineer II (Hybrid)Denver, CODeep expertise in identity systems - authentication protocols (OAuth 2.0, OIDC, SAML), session management, token lifecycle (JWT, refresh tokens, revocation), and authorization modeling (RBAC, ABAC, or policy-based access control). Lead the design of role-based and attribute-based access control (RBAC/ABAC) systems that reflect the real-world complexity of how small business teams work - managers, employees, owners, and everything in between.
Staff Software Engineering Manager CACIStaff Software Engineering ManagerAurora, ColoradoHiring & Onboarding: Participate in the recruitment, interviewing, onboarding, and retention of engineering talent for your team and the broader organization Additionally works closely with engineering leadership to align current and new staff skillsets with program needs over time. Solid experience developing backend services and APIs using at least one common language and framework (e.g., Node.js/Express/NestJS, Python/Django/Flask/FastAPI, Java/Spring Boot/Quarkus, C#/.NET Core, Ruby/Rails, Go/Gin).
Software Engineering Manager CACISoftware Engineering ManagerAurora, ColoradoHiring & Onboarding: Participate in the recruitment, interviewing, onboarding, and retention of engineering talent for your team and the broader organization Additionally works closely with engineering leadership to align current and new staff skillsets with program needs over time. Solid experience developing backend services and APIs using at least one common language and framework (e.g., Node.js/Express/NestJS, Python/Django/Flask/FastAPI, Java/Spring Boot/Quarkus, C#/.NET Core, Ruby/Rails, Go/Gin).
Staff Software Engineering Manager CACI International IncStaff Software Engineering ManagerAurora, CO$108,400–$227,500 / yearHiring & Onboarding: Participate in the recruitment, interviewing, onboarding, and retention of engineering talent for your team and the broader organization Additionally works closely with engineering leadership to align current and new staff skillsets with program needs over time. Solid experience developing backend services and APIs using at least one common language and framework (e.g., Node.js/Express/NestJS, Python/Django/Flask/FastAPI, Java/Spring Boot/Quarkus, C#/.NET Core, Ruby/Rails, Go/Gin).
Software Engineering Manager CACI International IncSoftware Engineering ManagerAurora, CO$82,100–$172,400 / yearHiring & Onboarding: Participate in the recruitment, interviewing, onboarding, and retention of engineering talent for your team and the broader organization Additionally works closely with engineering leadership to align current and new staff skillsets with program needs over time. Solid experience developing backend services and APIs using at least one common language and framework (e.g., Node.js/Express/NestJS, Python/Django/Flask/FastAPI, Java/Spring Boot/Quarkus, C#/.NET Core, Ruby/Rails, Go/Gin).
Staff Software Engineering Manager (TS/SCI) {S} ARKA Group, L.P.Staff Software Engineering Manager (TS/SCI) {S}Aurora, ColoradoSolid experience developing backend services and APIs using at least one common language and framework (e.g., Node.js/Express/NestJS, Python/Django/Flask/FastAPI, Java/Spring Boot/Quarkus, C#/.NET Core, Ruby/Rails, Go/Gin). Hiring & Onboarding: Participate in the recruitment, interviewing, onboarding, and retention of engineering talent for your team and the broader organization Additionally works closely with engineering leadership to align current and new staff skillsets with program needs over time.