Senior Software Engineer Jobs in Denver, Colorado

143 open Senior Software Engineer jobs in Denver, Colorado at 39 companies, including T-Mobile, Zscaler and Samsara. Updated daily from company career pages.

T-Mobile

T-Mobile is a telecommunications company that provides wireless communication services, including mobile phone and internet services.

Zscaler

Zscaler is a global cloud-based information security company that enables secure digital transformation for mobile and cloud.

Samsara

Samsara is the pioneer of the Connected Operations Cloud.

Fastly

Fastly helps digital businesses keep pace with their customer expectations by delivering secure and online experiences.

1 more open roles at Fastly

UiPath

Gusto

Gusto provides a cloud-based payroll, benefits, and human resource management solution for businesses.

Xcel Energy

Xcel Energy is an electric and natural gas energy company that offers a portfolio of energy-related products and services to customers.

Blue Origin

Blue Origin is an aerospace company that focuses on lowering the cost of spaceflight and helping to explore the solar system.

57 more open roles at Blue Origin

Checkr

Checkr automates and speeds up the process of professional background checks.

NexHealth

NexHealth is a real-time patient booking platform for people, their doctors, and healthcare developers.

True Anomaly

True Anomaly develops space security technologies using AI, software, and spacecraft to enhance global security and sustainability.

15 more open roles at True Anomaly

Muon Space

Muon Space focuses on dense, scientific-grade measurements of the atmosphere, ocean, and land.

Amazon

Amazon is an e-commerce website for consumers, sellers, and content creators.

Klaviyo

Klaviyo is an automation and email platform designed to help grow businesses.

MongoDB

MongoDB is a next-generation database that helps businesses transform their industries by harnessing the power of data.

Robinhood

Robinhood is a stock brokerage that allows customers to buy and sell stocks, options, ETFs, and cryptocurrencies with zero commission.

Signifyd

Signifyd is a provider of an enterprise-grade fraud technology solution for e-commerce stores.

U.S. Bancorp

U.S. Bancorp is a financial holding company, offers banking, investment, mortgage, trust, and payment services and products for its clients

Givebutter

Givebutter is a product-led company that develops an operating system for nonprofit fundraising.

Fivetran

Fivetran is a technology company that automates replicating data into a cloud data platforms.

Updated 2026-10-11.