Backend Developer jobs in Denver hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $213,528/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
xcimer.energy • HQ: Denver, United States • Air Defense • Lasers & Laser Systems • Nuclear Energy • 201-500 employees • Est. 2021 • Trust A • Hiring 55, 4 new
HQ: Denver, United States • Air Defense • Lasers & Laser Systems • Nuclear Energy • 201-500 employees • Est. 2021 • Trust A • Hiring 55, 4 new
Xcimer Energy is a Denver-based company developing laser-driven inertial fusion power and high-energy laser systems for air defense, built around large electron-beam-pumped excimer lasers. In 2024 it began building Phoenix, its first high-energy laser system, in its Denver laser bay, it has had a fusion power plant preconceptual design milestone approved by the US Department of Energy, and RTX has invested in it to develop directed energy technology. It hires optical, laser, pulsed power and nuclear engineers, physicists and materials scientists, scientific software and data engineers, technicians, quality and supply chain leaders, and summer interns.
$168k – $198k per year • Senior • 7+ years exp • In office (Denver, United States) • Bachelor's Degree • Full-Time • Nationals only • Citizenship or vetting required • Senior
homebot.ai • HQ: Denver, United States • PropTech • Real Estate Brokerage • 11-50 employees • Est. 2015 • Hiring 1
HQ: Denver, United States • PropTech • Real Estate Brokerage • 11-50 employees • Est. 2015 • Hiring 1
Homebot is a homeownership platform used by mortgage lenders, real estate agents and title companies to help their clients build wealth through homeownership. It delivers personalized home equity reports and AI-driven activity insights that help lenders and agents win repeat business. The company is headquartered in Denver, United States.
lockheedmartin.com • HQ: Bethesda, United States • Military Satellites • Aerospace Manufacturing • Missiles • Combat Aircraft • Defense Manufacturing • 5000+ employees • Est. 1995 • NYSE: LMT • Trust A • Hiring 2164, 178 new
HQ: Bethesda, United States • Military Satellites • Aerospace Manufacturing • Missiles • Combat Aircraft • Defense Manufacturing • 5000+ employees • Est. 1995 • NYSE: LMT • Trust A • Hiring 2164, 178 new
Lockheed Martin is the largest defence contractor in the world, formed in 1995 by merging Lockheed Corporation with Martin Marietta and headquartered in Bethesda, Maryland. Its single most important programme is the F-35 Lightning II, the most expensive weapons system ever built, alongside the F-16, the C-130 transport and classified work at the Skunk Works advanced development unit. The company also dominates missile defence with THAAD and PAC-3 interceptors, supplies HIMARS and Javelin systems, owns the helicopter maker Sikorsky, and builds the Orion crew capsule and military satellites through its space division.
paloaltonetworks.com • HQ: Santa Clara, United States • Endpoint Security • Threat Intelligence • Security Operations • Cloud Security • Network Security • 1001-5000 employees • Est. 2005 • Trust B • Hiring 1106, 92 new
HQ: Santa Clara, United States • Endpoint Security • Threat Intelligence • Security Operations • Cloud Security • Network Security • 1001-5000 employees • Est. 2005 • Trust B • Hiring 1106, 92 new
Palo Alto Networks is a cybersecurity company headquartered in Santa Clara, California, selling next-generation firewalls and SASE network security, the Prisma and Cortex platforms for cloud security and security operations, and Unit 42 threat intelligence and incident response services. Founded in 2005 by Nir Zuk and listed on Nasdaq, it reports more than 16,000 employees and over 70,000 customers, with major engineering centres in Israel and India and offices across the Americas, Europe and Asia. It hires software engineers, product managers and designers, solutions consultants, account managers, go-to-market strategists and legal and sourcing staff.
$147k – $238k per year • Equity • Lead • 8+ years exp • San Francisco • Denver • Austin • Jacksonville • Boston • Remote (United States) • Full-Time • Principal
cloudbees.com • HQ: Raleigh, United States • Developer Tools • DevOps & Platform Engineering • 201-500 employees • Startup • Hiring 5, 1 new
HQ: Raleigh, United States • Developer Tools • DevOps & Platform Engineering • 201-500 employees • Startup • Hiring 5, 1 new
Accelerate delivery with CloudBees Feature Management. Test in production and reduce risk with controlled rollouts, instant rollback, and complete visibility.
fivetran.com • HQ: Oakland, United States • Data Integration & ETL Tools • 1001-5000 employees • Est. 2012 • Trust B • Hiring 164, 12 new
HQ: Oakland, United States • Data Integration & ETL Tools • 1001-5000 employees • Est. 2012 • Trust B • Hiring 164, 12 new
Fivetran is a cloud technology company specializing in automated data movement and integration solutions. The company focuses on enabling organizations to centralize, load, and transform data from diverse applications and databases into modern cloud data destinations. Headquartered in Oakland, California, it operates globally to help businesses streamline data pipelines and accelerate analytics.
airspace-intelligence.com • HQ: Boston, United States • Air Traffic Control • Commercial Aviation • 51-200 employees • Est. 2018 • Startup • Trust C • Hiring 26, 2 new
HQ: Boston, United States • Air Traffic Control • Commercial Aviation • 51-200 employees • Est. 2018 • Startup • Trust C • Hiring 26, 2 new
We serve critical industries, the U.S. Government, and its allies by predicting, simulating, and optimizing their most complex operations.
barrywehmiller.com • HQ: Clayton, United States • Engineering Services • Packaging & Labeling • Industrial Machinery • 5000+ employees • Est. 1885 • Trust B • Hiring 305, 19 new
HQ: Clayton, United States • Engineering Services • Packaging & Labeling • Industrial Machinery • 5000+ employees • Est. 1885 • Trust B • Hiring 305, 19 new
Barry-Wehmiller is a privately held diversified manufacturing technology and engineering consulting group headquartered in Clayton, in the Saint Louis area of Missouri, supplying packaging, corrugating, sheeting and paper-converting machinery. Tracing its roots to a St. Louis millwright shop that Thomas J. Barry joined in 1885, the $3 billion group has about 12,000 team members and includes BW Packaging, the BW Design Group engineering firm and the Afinitas infrastructure equipment business. It hires electrical, structural and controls engineers, project managers and estimators, field service technicians, assemblers and painters, plus German apprentices and IT and procurement staff.
litera.com • HQ: Chicago, United States • Legal Software • 1001-5000 employees • Est. 1995 • Trust A • Hiring 41, 9 new
HQ: Chicago, United States • Legal Software • 1001-5000 employees • Est. 1995 • Trust A • Hiring 41, 9 new
Litera is an American software company that supplies the document drafting, transaction management and firm intelligence tools used inside law firms and corporate legal departments. Its products cover document comparison and cleaning, template and style management, deal and closing room workflows, litigation workflow and the experience management systems firms use to find relevant precedent and pitch credentials. Headquartered in Chicago and owned by Hg, the company has assembled its portfolio through a long sequence of acquisitions and is present in the large majority of major law firms.
sensortower.com • HQ: San Francisco, United States • Market Research • Marketing Analytics & Attribution • Data Providers & Datasets • 501-1000 employees • Est. 2013 • Trust B • Hiring 54
HQ: San Francisco, United States • Market Research • Marketing Analytics & Attribution • Data Providers & Datasets • 501-1000 employees • Est. 2013 • Trust B • Hiring 54
Sensor Tower is a market intelligence and analytics company that provides data-driven insights into the digital app ecosystem and digital advertising landscapes. Its platform offers mobile market metrics, including app store optimization, keyword tracking, download and revenue estimates, and user retention analytics for developers, marketers, and investors. By delivering deep visibility into competitive trends and audience behavior, it enables businesses to optimize their digital strategies and drive user growth across global app markets.
cobaltrobotics.com • HQ: Palo Alto, United States • Video Surveillance • Security & Surveillance Robotics • 51-200 employees • Est. 2016 • Trust B • Hiring 7
HQ: Palo Alto, United States • Video Surveillance • Security & Surveillance Robotics • 51-200 employees • Est. 2016 • Trust B • Hiring 7
Cobalt Robotics is a security technology company whose Cobalt Monitoring Intelligence platform combines AI with trained human specialists for round-the-clock monitoring of cameras, alarms, access control and autonomous security robots. It hires physical security specialists, reserve engineers and software engineers in several states. The company is headquartered in Palo Alto, California, United States.
blissway.com • HQ: Denver, United States • Smart Mobility • Transport Infrastructure • 11-50 employees • Est. 2019 • Startup • Trust A • Hiring 12
HQ: Denver, United States • Smart Mobility • Transport Infrastructure • 11-50 employees • Est. 2019 • Startup • Trust A • Hiring 12
Blissway is a tolling technology company that replaces the hardware-heavy electronic toll collection model of windshield transponders and overhead gantries with smartphone-based payment and compact roadside sensors. It develops software, embedded systems and computer vision for toll road operators and transport agencies. The company is headquartered in Denver, Colorado, United States.
textus.com • HQ: Denver, United States • Sales Enablement • 51-200 employees • Est. 2013 • Hiring 1
HQ: Denver, United States • Sales Enablement • 51-200 employees • Est. 2013 • Hiring 1
Your leads are ignoring calls and emails. TextUs gets them to respond. The native SMS integration for Salesforce & HubSpot that turns cold leads into closed deals.
flockhomes.com • HQ: Denver, United States • Real Estate Investment • 51-200 employees • Est. 2020 • Startup • Hiring 3
HQ: Denver, United States • Real Estate Investment • 51-200 employees • Est. 2020 • Startup • Hiring 3
Exchange your rentals for shares in a diversified real estate fund via a 721 exchange. Defer capital gains taxes, keep the income, retire from landlording.
emslinq.com • HQ: Denver, United States • HR & Payroll Software • ERP & Business Management Software • 11-50 employees • Est. 1989 • Hiring 7, 2 new
HQ: Denver, United States • HR & Payroll Software • ERP & Business Management Software • 11-50 employees • Est. 1989 • Hiring 7, 2 new
LINQ is a software company that helps K-12 school districts with cloud-based operations software. Its single platform integrates finance, HR, nutrition management and payments to reduce administrative burden and return resources to classrooms. The company is based in Denver, Colorado, United States.
synergetics.com • HQ: Denver, United States • Information Technology • Design & Creative • 11-50 employees • Hiring 1
HQ: Denver, United States • Information Technology • Design & Creative • 11-50 employees • Hiring 1
ISO 8000-110:2009 Data Quality GSA IT MAS GSA 8(a) STARS III About us COMPANY EXPERTISE The Synergetics team won our first Defense Department contract through the strenuous Full & Open Competition bidding process.
bitmovin.com • HQ: Palo Alto, United States • Photo & Video Editing Software • Est. 2015 • Hiring 12, 3 new
HQ: Palo Alto, United States • Photo & Video Editing Software • Est. 2015 • Hiring 12, 3 new
Bitmovin is a SaaS company focused on the technology that powers online video delivery. Its products help organisations encode video for different devices and bandwidth conditions, play it back reliably across platforms, and monitor quality so teams can spot and fix issues that affect viewers. In practice, Bitmovin is tackling a common problem in streaming and video on demand, delivering a consistent viewing experience at scale is technically complex, and failures are highly visible to end users.
apple.com • HQ: Cupertino, United States • Smartwatches & Fitness Trackers • Operating Systems • Tablets • Laptops • Smartphones • 5000+ employees • Est. 1976 • Trust A • Hiring 3734, 341 new
HQ: Cupertino, United States • Smartwatches & Fitness Trackers • Operating Systems • Tablets • Laptops • Smartphones • 5000+ employees • Est. 1976 • Trust A • Hiring 3734, 341 new
Apple is an American multinational technology company founded in 1976 by Steve Jobs, Steve Wozniak and Ronald Wayne, and headquartered in Cupertino, California. It designs and sells consumer hardware including the iPhone, Mac, iPad, Apple Watch, AirPods and Vision Pro, together with the operating systems and silicon that run them. A growing services division built around the App Store, iCloud, Apple Music, Apple TV+ and Apple Pay now contributes a large share of profit, making Apple one of the most valuable companies in the world.