Get the job you really want

Top Backend Engineer Jobs in Denver & Boulder, CO

40+ Job Results
23 Hours Ago
Colorado, CO
Remote
3,300 Employees
5-7 Years of Experience
3,300 Employees
5-7 Years of Experience
Information Technology • Security • Cybersecurity
Cloudflare is looking for a backend engineer on our control plan product platform to help us build and maintain the codebase that powers both our customer APIs as well as internal service APIs. Your ability to visualize the flow of data through a complex application is critical to your success.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
23 Hours Ago
Colorado, CO
Remote
3,300 Employees
5-7 Years of Experience
3,300 Employees
5-7 Years of Experience
Information Technology • Security • Cybersecurity
Backend engineer role for Cloudflare's control plane product platform. Responsible for building and maintaining codebase for customer APIs and internal service APIs. Proficiency in Go, Redis, Postgres, and RESTful API design required.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
3 Days Ago
Colorado, CO
Remote
400 Employees
$190K-$235K Annually
7+ Years of Experience
400 Employees
$190K-$235K Annually
7+ Years of Experience
Fintech • Insurance • Machine Learning • Other • Analytics • Automation
Seeking a Staff Back-End Engineer with 8+ years of experience in writing server-side APIs, building large scale distributed systems, and expertise with event-driven architecture. Must have deep knowledge of object-oriented programming and experience with various database systems. Experience with public cloud services, agile methodologies, and product-led organizations is required.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+38 More
3 Days Ago
Colorado, CO
Remote
2,500 Employees
$94K-$126K Hourly
3-5 Years of Experience
2,500 Employees
$94K-$126K Hourly
3-5 Years of Experience
Food
A full stack engineer position at Ardent Mills, responsible for developing and maintaining critical business applications. Requires strong problem-solving skills, knowledge of frontend web rendering processes, and experience with web frameworks like Angular, React, and VueJS.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+19 More
4 Days Ago
Colorado, CO
35 Employees
$110K-$140K Annually
3-5 Years of Experience
35 Employees
$110K-$140K Annually
3-5 Years of Experience
Marketing Tech
Seeking a full-stack Lead Software Engineer to build web-based systems for the Breef Platform. Responsibilities include designing, developing, and maintaining web applications using React and Python, implementing new features, and ensuring high-quality product delivery. Ideal candidate has 4-6 years of full-stack development experience, familiarity with Agile methodologies, and a startup background.
Top Benefits:
Commuter Benefits
Company Equity
Company Outings
+28 More
5 Days Ago
Colorado, CO
Remote
93,000 Employees
$62K-$105K Annually
3-5 Years of Experience
93,000 Employees
$62K-$105K Annually
3-5 Years of Experience
Aerospace • Hardware • Information Technology • Security • Software • Defense
Join BAE Systems as a Web Applications Developer to collaborate on web applications development, maintenance, customization, and support for integrated systems. Responsibilities include programming support, quality control, design, training, documentation, and database queries. Must have 3+ years of back-end development experience with C# and .Net, and an Associate's degree in Computer Science or related field.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+44 More
6 Days Ago
Colorado, CO
Remote
3-5 Years of Experience
3-5 Years of Experience
Big Data • Information Technology • Business Intelligence
The Full-Stack Senior Software Engineer is responsible for the design, development, and integration efforts of various applications.
12 Days Ago
Colorado, CO
Remote
12,431 Employees
$168K-$297K Annually
5-7 Years of Experience
12,431 Employees
$168K-$297K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Square is seeking a senior backend Software Engineer to work on the Payment Pricing & Cost Platform. This role involves designing scalable systems, implementing solutions, and collaborating with cross-functional teams to develop global payments strategy.

Featured Jobs

4 Days Ago
Colorado, CO
Remote
3,300 Employees
5-7 Years of Experience
3,300 Employees
5-7 Years of Experience
Information Technology • Security • Cybersecurity
Looking for experienced front-end engineers to join the team, with a focus on building and scaling services at Cloudflare. Must have a track record of producing great output and caring about customer experience. Collaborate with product owners, designers, and software engineers.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
6 Days Ago
Colorado, CO
Remote
$100K-$115K Annually
1-3 Years of Experience
$100K-$115K Annually
1-3 Years of Experience
News + Entertainment
Seeking a Software Engineer to work on the email newsletters platform, collaborate with teams, build new features, and maintain existing ones. Responsibilities include using JavaScript, CSS, PHP, and WordPress to develop email newsletters and tools, working on enterprise-level WordPress sites, and collaborating with engineers on the email platform. Required skills include vanilla JavaScript, CSS/SASS, PHP/Laravel, WordPress, Git, and AWS microservices. A BS in Computer Science/Engineering or 2+ years of relevant experience is required. The company offers a comprehensive benefits package and 401K plan.
2 Days Ago
Colorado, CO
Remote
75 Employees
$185K-$225K Annually
7+ Years of Experience
75 Employees
$185K-$225K Annually
7+ Years of Experience
Artificial Intelligence • Software • Database
Join Flatfile as a Principal Front End Engineer in Austin, TX, shaping the front-end engineering team, owning key aspects, and contributing to the core platform's user interface. Work on complex problems with a team of world-class engineers, drive product development, and provide strategic guidance. Collaborate cross-functionally and be a leader in delivering top-tier, performant product experiences.
Top Benefits:
401-K
401-K Matching
Company Equity
+35 More
12 Days Ago
Colorado, CO
Remote
12,428 Employees
$168K-$297K Annually
5-7 Years of Experience
12,428 Employees
$168K-$297K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Square is seeking a senior backend Software Engineer to work on their Payment Pricing & Cost Platform. The role involves designing scalable systems for pricing and costs, collaborating with cross-functional teams, and contributing to Square's global payments strategy. Ideal candidate should have 5+ years of experience, strong technical skills, and curiosity in creating reliable data systems.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+26 More
20 Minutes Ago
Colorado, CO
Remote
3,300 Employees
3-5 Years of Experience
3,300 Employees
3-5 Years of Experience
Information Technology • Security • Cybersecurity
In this role, you'll be helping build the new Reporting & Analytics product features in the Cloudflare Zero Trust Platform. As a software engineer on this greenfield team, you'll work across the stack to implement our Go API, build new backend features and functionality in Go, and help contribute to building new frontend analytical visualizations and functionality.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
12 Days Ago
Colorado, CO
220 Employees
$150K-$180K Annually
3-5 Years of Experience
220 Employees
$150K-$180K Annually
3-5 Years of Experience
Artificial Intelligence • Logistics • Machine Learning • Software
As a Senior Software Engineer, Backend at VORTO, you will help define the frontier of logistics optimization, supply prediction, and demand prediction. You will work with a small, dedicated team to develop and maintain APIs, services, and systems for managing the flow of drivers and trucks. The role requires 5+ years of experience, hands-on experience with GoLang and SQL/Postgres, and experience with Docker containers, Kubernetes, NATS, and Redis.
Top Benefits:
401-K Matching
Commuter Benefits
Company Equity
+14 More
6 Days Ago
Colorado, CO
3-5 Years of Experience
3-5 Years of Experience
3D Printing • Hardware • Software
Vitro3D is seeking a JavaScript Developer II to work on customer-facing software for visualizing and manipulating 3D digital models. Responsibilities include developing new features, optimizing applications, and collaborating with the team. Requires 3+ years of experience in JavaScript, Node.js, HTML5, CSS3, Vue.js, and WebGL, among other skills.
Top Benefits:
Company Outings
Flexible Work Schedule
Highly Diverse Management Team
+2 More
12 Days Ago
Colorado, CO
Hybrid
980 Employees
$120K-$175K Annually
5-7 Years of Experience
980 Employees
$120K-$175K Annually
5-7 Years of Experience
Productivity • Software
Join the Professional Services team as a Full Stack Developer at a well-funded company, developing custom solutions for high value customers. Responsibilities include designing, testing, and maintaining new features, leading projects, and collaborating with client-facing teams. Requires 5+ years of experience in TypeScript, Node.js, and React.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+48 More
12 Days Ago
Colorado, CO
Remote
350 Employees
7+ Years of Experience
350 Employees
7+ Years of Experience
Artificial Intelligence • Legal Tech • Professional Services • Software
Ontra is seeking a Senior Full Stack Software Engineer to build and maintain web-based applications using Ruby on Rails and Ember.JS. The ideal candidate should have 7+ years of experience and a strong foundation in software development fundamentals.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+39 More
16 Days Ago
Colorado, CO
Remote
12,428 Employees
$153K-$270K Annually
1-3 Years of Experience
12,428 Employees
$153K-$270K Annually
1-3 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
The Staff Software Engineer on the Web Payment Experience team at Square mentors and teaches other engineers, sets technical direction, develops JavaScript APIs and UIs, maintains APIs for tokenization platform, and works on building reliable and delightful experiences for developers and merchants.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+26 More
16 Days Ago
Colorado, CO
Remote
12,431 Employees
$153K-$270K Annually
1-3 Years of Experience
12,431 Employees
$153K-$270K Annually
1-3 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
As a staff software engineer on the Web Payment Experience team, responsible for mentoring and teaching mid-level developers, setting technical direction, developing JavaScript APIs and UI, maintaining APIs in Go, and building reliable experiences for developers and merchants.
18 Days Ago
Colorado, CO
Remote
12,428 Employees
$153K-$248K Annually
7+ Years of Experience
12,428 Employees
$153K-$248K Annually
7+ Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
As a Staff Fullstack/Frontend Software Engineer on the Franchise Suite Organization Management team, collaborate with cross-functional teams to deliver new user-facing features, stay up-to-date with frontend technologies, advocate for process changes, mentor engineers, and have ownership of a large part of the FS Dashboard.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+26 More
12 Days Ago
Colorado, CO
220 Employees
3-5 Years of Experience
220 Employees
3-5 Years of Experience
Artificial Intelligence • Logistics • Machine Learning • Software
As a software engineer at VORTO, you will help define the frontier of logistics optimization, supply prediction, and demand prediction. You will work with a small, dedicated team to build and maintain web applications using Angular / Typescript and implement supporting server endpoints in GoLang. You will also debug production issues and follow best practices to write high-quality, secure, and scalable code.
Top Benefits:
401-K Matching
Commuter Benefits
Company Equity
+14 More
18 Days Ago
Colorado, CO
Remote
12,431 Employees
$153K-$248K Annually
7+ Years of Experience
12,431 Employees
$153K-$248K Annually
7+ Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
As a Staff Fullstack/Frontend Software Engineer, collaborate with cross-functional teams to deliver user-facing features, stay updated on frontend technologies, mentor engineers, and ensure the best user experience on the FS Dashboard.
12 Days Ago
Colorado, CO
14,500 Employees
$84K-$120K Annually
3-5 Years of Experience
14,500 Employees
$84K-$120K Annually
3-5 Years of Experience
Aerospace • Cloud • Digital Media • Information Technology • Mobile • News + Entertainment • Retail
Seeking a Full Stack Web Developer to join the TSS Team of the CFO organization at DISH. Responsibilities include ideating software solutions, developing databases and applications, designing architecture, building front-end, creating security settings, writing APIs, and testing software. Skills required include SQL Server SSIS, AWS Redshift, AWS S3, HTML/CSS, JavaScript, XML, Jquery, .Net, React, C#, Python, REST, API, ASP, Agile framework, Abbyy, OCR technology.
Top Benefits:
401-K
401-K Matching
Company-Sponsored Family Events
+33 More
19 Days Ago
Colorado, CO
14 Employees
$90K-$120K Annually
5-7 Years of Experience
14 Employees
$90K-$120K Annually
5-7 Years of Experience
Aerospace • Big Data • Internet of Things • Analytics • Business Intelligence
As a Full Stack Software Engineer at Urban Sky, you will be responsible for architecting web portals, collaborating with diverse teams, and creating comprehensive documentation. The role requires 5+ years of experience in full-stack web development with expertise in Node.js, React, Typescript, Postgres, RestAPI, Jest, Git, and Cypress.
Top Benefits:
Company Equity
Dental Insurance
Flexible Work Schedule
+10 More
13 Days Ago
Colorado, CO
Remote
858 Employees
$141K-$174K Annually
5-7 Years of Experience
858 Employees
$141K-$174K Annually
5-7 Years of Experience
Consumer Web • Food • Software
Seeking a Senior Software Engineer for the Growth Platform team at ezCater. Responsibilities include building back-end products, collaborating with cross-functional teams, and driving innovation. Requires 5+ years of professional software development experience and fullstack experience with Ruby on Rails.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+40 More
All Filters
Date Posted
Job Category
Experience
Industry
Company Name
Company Size