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Senior Full Stack Software Engineer Jobs in Colorado

Cobalt AI

Senior Software Engineer (Full-Stack)

Denver, CO · On-site

$160K - $210K/yr

We're hiring a Senior Full Stack Engineer to own the interfaces that security teams rely on every ... professional software engineering experience, with depth in frontend development • Strong ...

DomainTools

Full Stack Software Engineer

Denver, CO

DomainTools is seeking a Software Engineer to join our Frontend Team. This position is perfect for someone interested in building powerful cybersecurity products and features for our enterprise ...

Vantor

Software Development Eng - Full Stack

Westminster, CO · On-site

$86K - $115K/yr

Software Engineer - Full Stack Target Profile We are seeking an AI-native Full Stack Software Engineer who embraces AI as a core engineering capability. The ideal candidate is a cloud-native software ...

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Senior Full Stack Software Engineer information

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$46.8K

$141.7K

$200.3K

How much do senior full stack software engineer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for senior full stack software engineer in Colorado is $141,714.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,700.00 and $166,100.00 per year, depending on experience, location, and employer.

What is a senior full stack software engineer?

A Senior Full Stack Software Engineer is an experienced developer responsible for designing, building, and maintaining both front-end and back-end systems in web or software applications. They work with a variety of technologies, frameworks, and databases to ensure seamless functionality across the entire software stack. In addition to coding, they often provide technical leadership, mentor junior developers, and contribute to architectural decisions. Their role requires strong problem-solving skills, an understanding of best practices, and the ability to collaborate with cross-functional teams to deliver high-quality software solutions.

What does a senior full stack software engineer do?

A typical day for a Senior Full Stack Software Engineer involves designing and implementing new features, reviewing and improving code, and collaborating with product managers, designers, and other developers to deliver project goals. You might split your time between writing code for both front-end and back-end systems, participating in daily stand-up meetings, and providing technical guidance to junior team members. The role often requires balancing hands-on development with architectural planning and problem-solving for complex technical challenges. You’ll also frequently interact with stakeholders to gather requirements and provide updates, ensuring alignment throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a senior full stack software engineer?

To thrive as a Senior Full Stack Software Engineer, you need deep expertise in both front-end and back-end development, strong problem-solving abilities, and a solid foundation in computer science principles, typically demonstrated by a bachelor’s or master’s degree in a related field. Familiarity with frameworks and languages like React, Angular, Node.js, Python, and proficiency in using cloud platforms, version control systems like Git, and continuous integration tools is crucial, and relevant certifications are an advantage. Exceptional communication, leadership, and teamwork skills help you effectively coordinate with cross-functional teams and mentor junior engineers. These skills ensure you can deliver robust, scalable solutions while driving project success and fostering a collaborative development environment.

What are the most commonly searched types of Full Stack Software Engineer jobs in Colorado?

The most popular types of Full Stack Software Engineer jobs in Colorado are:

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For Senior Full Stack Software Engineer jobs in Colorado, the most frequently searched job titles are:

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The top searched job categories for Senior Full Stack Software Engineer jobs in Colorado are:

What cities in Colorado are hiring for Senior Full Stack Software Engineer jobs?

Cities in Colorado with the most Senior Full Stack Software Engineer job openings:

Senior Full Stack Software Engineer jobs near you
Infographic showing various Senior Full Stack Software Engineer job openings in Colorado as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 9% Part Time, 1% Temporary, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $141,714 per year, or $68.1 per hour.

Senior Software Engineer (Full-Stack)

Cobalt AI

Denver, CO

$160K - $210K/yr

Full-time

Medical, Dental, Vision

Re-posted 23 days ago

Job description

Summary:

Cobalt AI uses automation to elevate physical safety and security in the workplace. Our platform, Cobalt Monitoring Intelligence, is a hybrid AI system, cloud-hosted with edge-deployed hardware, that provides human-verified, real-time monitoring of surveillance cameras, alarms, and robots across enterprise locations.


We're hiring a Senior Full Stack Engineer to own the interfaces that security teams rely on every day, including live robot video feeds, event triage workflows, real-time alarm dashboards, and fleet management tools built in React and TypeScript. You'll also work across the backend (Django/Python, GraphQL) to build the APIs that power those experiences.


Responsibilities:
Build and refine real-time security dashboards, event triage interfaces, and fleet management
tools used by security teams 24/7
Design and implement complex, interactive UIs - canvas rendering (environment maps, robot
positioning), data visualization, live robot video via WebRTC, and subscription-driven event

streaming
Own component architecture in a monorepo and contribute to a Storybook-driven design system
Build and extend the GraphQL API - queries, mutations, and WebSocket subscriptions -
serving all frontend applications
Work with Django models in PostgreSQL - multi-tenant data isolation, schema design, query
optimization, and migrations
Ship full-stack features end-to-end - from React components to GraphQL mutations to Django
models and background jobs
Partner with the CDS and ML teams on the detection-to-event pipeline
Write well-tested code with strong observability - tracing, structured logging, and metrics
Participate in code reviews, architectural discussions, incident response, and on-call rotations


Qualifications:
5+ years of professional software engineering experience, with depth in frontend development
Strong proficiency in React and TypeScript - opinionated about component architecture, state
management, and rendering performance
Experience building complex, interactive UIs - canvas/2D rendering, real-time streaming, data
visualization, or WebRTC
Backend fluency in Python and Django - building GraphQL APIs, writing migrations, and
optimizing ORM queries
Solid understanding of PostgreSQL - data modeling, indexing, and query performance
Comfort working in a monorepo with shared packages, generated types, and cross-team code
ownership
Experience deploying to AWS and working with containerized applications


Why Work for Us?:

Competitive salary, equity, and full benefits (medical, vision, dental). Flexible work arrangements. A proven platform, an expanding customer base, and the opportunity to shape the engineering org at an inflection point.


Salary Range: $160k - $210k (actual compensation will be determined based on experience, location, and other factors permitted by law)


Cobalt AI is an equal employment opportunity employer and values diversity. Qualified candidates are considered for employment without regard to race, religion, gender, gender identity, sexual orientation, national origin, age, military or veteran status, disability, or any other characteristic protected by applicable law.

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