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Top Full-Stack Engineer Jobs in Denver & Boulder, CO

65+ Job Results
2 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 Staff Software Engineer with expertise in Ruby on Rails. This role involves exploring and prototyping solutions, contributing to engineering culture, setting technical direction, and providing support to cross-functional teams.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+39 More
20 Hours 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
25 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
8 Days Ago
Colorado, CO
Remote
70 Employees
$136K-$230K Annually
7+ Years of Experience
70 Employees
$136K-$230K Annually
7+ Years of Experience
Enterprise Web • HR Tech • Software
The Senior Fullstack Engineer will work with React, Ruby, Rails, MongoDB, and Postgres to solve problems for customers. They will collaborate with Product Managers, Designers, and other Engineers to shape the direction of the products. The ideal candidate has at least 3 years of professional Software Engineering experience and understands SaaS business fundamentals.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+56 More
2 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
3 Days Ago
Colorado, CO
Remote
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
12,000 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.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
4 Days Ago
Colorado, CO
Remote
12,000 Employees
$153K-$270K Annually
1-3 Years of Experience
12,000 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
Adoption Assistance
+55 More
7 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
26 Employees
$120K-$140K Annually
3-5 Years of Experience
26 Employees
$120K-$140K Annually
3-5 Years of Experience
Artificial Intelligence • Enterprise Web • Mobile • Software • Design • App development
Seeking an AWS-certified full-stack developer to design and implement web applications on AWS. Responsibilities include developing RESTful APIs, ensuring application security, and staying up-to-date with industry trends. Bachelor's degree in computer science or equivalent experience required. Strong proficiency in front-end and back-end technologies and excellent problem-solving skills desired.
Top Benefits:
401-K
401-K Matching
Company Outings
+44 More
13 Days Ago
Colorado, CO
Remote
26 Employees
$120K-$140K Annually
3-5 Years of Experience
26 Employees
$120K-$140K Annually
3-5 Years of Experience
Artificial Intelligence • Enterprise Web • Mobile • Software • Design • App development
Looking for an AWS-certified full-stack web developer to join our remote team. Responsibilities include designing and developing full-stack web applications, architecting cloud-based solutions on AWS, collaborating with front-end developers, and optimizing application performance. Must have AWS certification, Bachelor's degree in CS or equivalent, experience in full-stack development, and strong proficiency in JavaScript and related technologies.
Top Benefits:
401-K
401-K Matching
Company Outings
+44 More
5 Hours Ago
Colorado, CO
Remote
12,000 Employees
$168K-$297K Annually
5-7 Years of Experience
12,000 Employees
$168K-$297K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Design, build, and launch credit products and features for Cash App's Underwriting & Credit organization. Collaborate with cross-functional teams and work on impactful projects. Mentor fellow engineers and contribute to development capabilities.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
19 Days Ago
Colorado, CO
Remote
30 Employees
$100K-$140K Annually
3-5 Years of Experience
30 Employees
$100K-$140K Annually
3-5 Years of Experience
Edtech
Design, develop, and maintain complex software systems and applications. Work with a team to deliver high-quality solutions.
5 Days Ago
Colorado, CO
Remote
71 Employees
7+ Years of Experience
71 Employees
7+ Years of Experience
Enterprise Web • HR Tech • Information Technology • Software
TextUs is seeking a Senior Backend Software Engineer with expertise in Ruby on Rails to help build applications. The role requires developing production APIs, reviewing documentation, managing tech debt, and collaborating with the team. Responsibilities include mentoring junior developers, maintaining CI/CD processes, and working in a remote environment.
Top Benefits:
401-K
401-K Matching
Company Outings
+32 More
10 Days Ago
Colorado, CO
Remote
50,000 Employees
5-7 Years of Experience
50,000 Employees
5-7 Years of Experience
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
As a senior software engineer at Fandango, work on back end software and services in C# and node.js, lead a team of engineers, collaborate with peers, participate in Agile ceremonies, troubleshoot and fix production issues, and mentor team members.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+58 More
5 Days Ago
Colorado, CO
Remote
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
Information Technology • Security • Cybersecurity
As a Software Engineer on our team, you will work across a wide range of technologies and systems to deliver new features, improve performance, and increase scalability of our Network Services products.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
12 Days 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
5 Days Ago
Colorado, CO
Remote
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
Information Technology • Security • Cybersecurity
As a Software Engineer on our team, you will work across a wide range of technologies and systems to deliver new features, improve performance, and increase the scalability of our Network Services products. You'll build, deploy, and operate your team's systems on top of one of the largest edge networks in the world. You'll partner with some of the best engineers and product managers to solve big problems that have a meaningful impact in the lives of our customers and users.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
8 Days Ago
Colorado, CO
Remote
90 Employees
$130K Annually
3-5 Years of Experience
90 Employees
$130K Annually
3-5 Years of Experience
Artificial Intelligence • Computer Vision • Hardware • Machine Learning • Robotics • Sales
Backend Web Software Engineer responsible for designing, developing, and maintaining web services to power customer-facing applications for autonomous machines. Collaborate with cross-functional teams, provide technical leadership, and ensure scalability and performance of software solutions.
Top Benefits:
401-K
Company Equity
Company Outings
+42 More
5 Days Ago
Colorado, CO
Remote
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
Information Technology • Security • Cybersecurity
As a Software Engineer on our team, you will work across a wide range of technologies and systems to deliver new features, improve performance, and increase the scalability of our Network Services products. You'll build, deploy, and operate your team's systems on top of one of the largest edge networks in the world.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
13 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
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
8 Days Ago
Colorado, CO
Remote
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
Information Technology • Security • Cybersecurity
As a Software Engineer on our team, you will work across a wide range of technologies and systems to deliver new features, improve performance, and increase the scalability of our Network Services products.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
5 Days Ago
Colorado, CO
Remote
3,300 Employees
$137K-$240K Annually
7+ Years of Experience
3,300 Employees
$137K-$240K Annually
7+ Years of Experience
Information Technology • Security • Cybersecurity
As a Software Engineer, you will work on a variety of technologies and systems to enhance the performance and scalability of Network Services products. You will collaborate with a talented team to solve complex problems and make a significant impact on customers.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
19 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.
5 Days Ago
Colorado, CO
Remote
3,300 Employees
$137K-$240K Annually
7+ Years of Experience
3,300 Employees
$137K-$240K Annually
7+ Years of Experience
Information Technology • Security • Cybersecurity
As a Software Engineer, you will work on a wide range of technologies and systems to deliver new features, improve performance, and increase scalability of Network Services products. You will partner with engineers and product managers to solve complex networking problems.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
10 Days Ago
Colorado, CO
Remote
3,300 Employees
$137K-$198K Annually
5-7 Years of Experience
3,300 Employees
$137K-$198K Annually
5-7 Years of Experience
Information Technology • Security • Cybersecurity
Cloudflare is looking for a backend engineer to help us build and maintain the codebase that powers both our customer APIs as well as internal service APIs. This is a role for engineers that are familiar with web backend architecture, database design, and interaction. The role requires proficiency in RESTful API design, knowledge of SQL and common relational database systems, and experience with backend web frameworks. The ideal candidate should have a minimum of 5 years of experience building large-scale software applications. Strong debugging and optimization skills, unit/integration testing experience, and familiarity with containers are also desirable.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
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