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Senior Javascript Engineer Jobs in Colorado (NOW HIRING)

Placed

Senior Full Stack Engineer

Englewood, CO · Hybrid

$55/hr

Our valued client in Englewood, CO are seeking a Senior Full Stack Engineer for their team. This is ... Build responsive, user-friendly web interfaces using modern JavaScript frameworks. * Ensure ...

Lively

Sr. Software Engineer - Backend

Denver, CO · On-site

About the Role We are looking for a strong Backend Senior Software Engineer who wants to create ... Strong experience with Javascript, Typescript and Node.js. * Strong fundamental understanding of ...

Apex Systems

Sr. Software Engineer

Greenwood Village, CO · On-site

$124K - $163K/yr

Job#: 3047185 Sr. Software Engineer Location: Greenwood Village, Colorado (Hybrid) Role Overview We ... Expert-level experience with Angular 2+ or ReactJS, HTML, TypeScript, JavaScript, and CSS. * Strong ...

Everwatch

Software Engineer, Senior

Aurora, CO · On-site

$100.18 - $120.20/hr

Job Title Software Engineer, Senior Overview EverWatch is a government solutions company providing ... Job Locations US-CO-Aurora Skills ReactJS, HTML, Javascript, UX Development, Agile, SQL, NoSQL ...

1872 Consulting

Senior Software Engineer

Broomfield, CO · On-site

$123K - $162K/yr

Required : • Strong in either JavaScript (familiar with React and Redux framework) or Python (familiar with Scikit-learn or other machine learning framework). • Strong software engineering ...

SumUp

Senior Platform Engineer

Boulder, CO · On-site +1

Senior Platform Engineer - US Platform Team NOTE: We are unable to sponsor or take over sponsorship ... or JavaScript/TypeScript * Comfort working across globally distributed teams, with the ...

SumUp

Senior Platform Engineer

Boulder, CO · On-site +1

Senior Platform Engineer - US Platform Team NOTE: We are unable to sponsor or take over sponsorship ... or JavaScript/TypeScript * Comfort working across globally distributed teams, with the ...

SumUp

Senior Platform Engineer

Boulder, CO · On-site

Senior Platform Engineer - US Platform Team NOTE: We are unable to sponsor or take over sponsorship ... or JavaScript/TypeScript * Comfort working across globally distributed teams, with the ...

Infojini Inc

Sr. Web Developer

Denver, CO

We offer an excellent compensation package We are looking for Sr. Web Developer in Denver, CO for ... Minimum 3-5 years in enterprise web development CSS, HTML5, JavaScript * Minimum 3 years experience ...

Via Logic LLC

Sr User Interface Engineer

Westminster, CO · On-site

$150 - $170/hr

About the Role Liqid is seeking a senior, creative, and technically strong UI engineer to help ... Design, develop, test, and maintain modern UI features using Vue.js and JavaScript * Translate ...

New

Dredsoft Labs

Senior Blockchain Developer

Almont, CO

$70 - $80/hr

Senior Blockchain Developer in United States (Global) We are seeking a talented and experienced ... Proficiency in programming languages such as Solidity, JavaScript, or Python. * Deep understanding ...

AtkinsRéalis

Senior Software Developer

Denver, CO · On-site

$56 - $74/hr

They are seeking a Senior Software Developer to lead the design, development, and delivery of ... and JavaScript/Node.js • Collaborate with clients and stakeholders to analyze business needs ...

Motocol

Senior Software Developer .NET

Englewood, CO · On-site

$70 - $80/hr

Our client is seeking a Senior Software Developer for our Englewood, CO office. Work with a small ... Strong C#, strong HTML and JavaScript; Familiarity and experience with Visual Studio 2010 or later ...

MOTOCOL

Senior Software Developer .NET

Englewood, CO

$70 - $80/hr

Our client is seeking a Senior Software Developer for our Englewood, CO office. Work with a small ... Strong C#, strong HTML and JavaScript; Familiarity and experience with Visual Studio 2010 or later ...

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All JobsJavascript Engineer JobsSenior Javascript Engineer JobsSenior Javascript Engineer Jobs in Colorado

Senior Javascript Engineer information

See Colorado salary details

$131.4K

$176.2K

$200.8K

How much do senior javascript engineer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for senior javascript engineer in Colorado is $176,213.00, according to ZipRecruiter salary data. Most workers in this role earn between $164,000.00 and $189,800.00 per year, depending on experience, location, and employer.

What does a senior JavaScript engineer do?

A Senior JavaScript Engineer is responsible for designing, developing, and maintaining complex web applications using JavaScript and related technologies. They often lead development teams, make architectural decisions, and ensure best coding practices are followed. In addition to writing code, they may mentor junior developers, review code for quality, and collaborate with cross-functional teams to deliver high-quality software solutions.

What are the key skills and qualifications needed to thrive as a senior JavaScript engineer?

To thrive as a Senior Javascript Engineer, you need deep expertise in JavaScript, modern front-end frameworks (like React or Angular), and a solid grasp of software engineering principles, typically supported by a degree in computer science or equivalent experience. Familiarity with build tools (Webpack, Babel), version control systems (Git), and automated testing frameworks is crucial for efficient development. Strong problem-solving skills, effective communication, and leadership abilities help you mentor team members and collaborate on complex projects. These skills are vital for delivering high-quality, scalable applications and driving innovation within development teams.

What are some common challenges faced by senior JavaScript engineers when leading projects with cross-functional teams?

Senior JavaScript Engineers often encounter challenges such as aligning frontend and backend development timelines, ensuring code quality across distributed teams, and effectively communicating complex technical concepts to non-technical stakeholders. Managing dependencies between various team members and integrating new technologies or frameworks can also present difficulties. Successful engineers overcome these challenges by fostering clear communication, implementing robust documentation, and promoting collaborative problem-solving within agile workflows.

What are the most commonly searched types of Javascript Engineer jobs in Colorado?

The most popular types of Javascript Engineer jobs in Colorado are:

What are popular job titles related to Senior Javascript Engineer jobs in Colorado?

For Senior Javascript Engineer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Senior Javascript Engineer jobs in Colorado look for?

The top searched job categories for Senior Javascript Engineer jobs in Colorado are:

What cities in Colorado are hiring for Senior Javascript Engineer jobs?

Cities in Colorado with the most Senior Javascript Engineer job openings:

What are popular job titles related to Senior Javascript Engineer jobs in CO?

For Senior Javascript Engineer jobs in CO, the most frequently searched job titles are:

Senior Javascript Engineer jobs near you
Infographic showing various Senior Javascript Engineer job openings in Colorado as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $176,213 per year, or $84.7 per hour.

Senior Full Stack Engineer

Placed

Englewood, CO • Hybrid

$55/hr

Full-time, Contractor

Medical, Dental, Vision, Retirement, PTO

Re-posted 8 days ago

Job description

Our valued client in Englewood, CO are seeking a Senior Full Stack Engineer for their team. This is a six-month contract with the possibility of extension or conversion to full-time. This is a hybrid position that requires you to be on-site four days per week. We are unable to work with third-party companies or C2C.


Position Overview

We are seeking a skilled Senior Full Stack Engineer to maintain and modernize our core platform. You will manage our stable .NET and SQL Server stack while leading the migration toward a scalable, cloud-native microservices architecture. This role requires balancing robust legacy systems with cutting-edge architectural transformation.


Core Responsibilities

  • System Modernization
  • Break down monolithic .NET applications into distributed microservices.
  • Design scalable APIs and event-driven communication patterns.
  • Implement containerization tools to optimize deployment workflows.
  • Backend Engineering
  • Maintain and optimize existing .NET Framework and .NET Core applications.
  • Write complex, high-performing SQL queries, stored procedures, and schemas.
  • Diagnose and resolve database bottlenecks to ensure high availability.
  • Frontend Development
  • Build responsive, user-friendly web interfaces using modern JavaScript frameworks.
  • Ensure seamless integration between frontend UI and backend microservices.


Required Technical Skills

  • Backend: C#, .NET Core, ASP.NET MVC, Web API
  • Database: SQL Server, T-SQL, query optimization, ORMs (Entity Framework)
  • Architecture: Microservices, RESTful APIs, Event Buses (RabbitMQ / Kafka)
  • Frontend: Angular, React, or Vue.js, along with HTML5, CSS3, and TypeScript
  • Cloud & DevOps: Docker, Kubernetes, CI/CD pipelines, and AWS or Azure


Qualifications

  • Bachelor’s degree in Computer Science or equivalent work experience.
  • 5+ years of professional full stack software development experience.
  • Proven track record of migrating legacy codebases to microservices.
  • Strong communication skills for collaborating across cross-functional teams.


This is a contract opportunity with an hourly rate starting at $55/hour and is based on experience. Benefits include: medical, dental, vision, 401k, paid time off and holiday pay.