Javascript Developer Jobs in Granby, CO, US

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Front End Engineer II - Reporting

Boulder, Colorado, United States

$103k-$170k/yr HybridFull Time

The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.

2+ YOE2-4 years software development; proficient in React and JavaScript/TypeScript; experience building enterprise services; BS/MS in CS or related field or equivalent experience

React, JavaScript, TypeScript, C#, Java, NodeJS, SQL

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Sr. Software Engineer - Ruby

Boston or Broomfield or Colorado or Connecticut or Florida or Georgia or Illinois or Indiana or Maine or Massachusetts or New Hampshire or New Jersey or North Carolina or Ohio or Pennsylvania or Rhode Island or Texas or United States

$145k-$175k/yr HybridFull Time

Validity: Sells software for email deliverability and CRM data cleaning.

Strong Ruby on Rails, JavaScript; APIs; cross-stack; collaborate and deliver from concept to completion.

Ruby on Rails, JavaScript, APIs, AWS, Turbo, Stimulus

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Senior Software Engineer

Boulder, Colorado, United States

$145k-$165k/yr RemoteFull Time

Auria: Engineering and software solutions for space and defense missions.

Software development experience with C# and JavaScript/React; GitLab; Agile/Scrum; satellite systems experience; security clearance preferred.

C#, JavaScript/React, GitLab, Jira, Confluence

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Senior Staff Software Engineer, Front End, Google Workspace

Boulder or New York

$262k-$365k/yr OnsiteFull Time

GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.

8+ YOEBachelor's degree or equivalent; 8 yrs software development; 7 yrs frontend (JavaScript/TypeScript, Java, Kotlin); 5 yrs design/architecture; experience with frontend frameworks, full-stack or API development.

JavaScript, TypeScript, Java, Kotlin, Frontend frameworks, API development, Full-stack development

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Software Engineer

Boulder, Colorado, United States

$100k-$130k/yr RemoteFull Time

LegenceNasdaq: LGN: Provides engineering and maintenance for sustainable building energy systems.

2+ YOE2-3 years software engineering; BS in CS/CE or related; proficient in JavaScript/TypeScript; React; backend in FastAPI/Node.js/Django; REST APIs; PostgreSQL; cloud (Azure/AWS); Docker; geospatial knowledge a plus; strong communication.

JavaScript, TypeScript, React, HTML/CSS, FastAPI, Node.js, Django, REST APIs, PostgreSQL, Azure, AWS, Docker, ArcGIS, Leaflet, Mapbox

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Senior Software Engineer

Longmont, Colorado, United States

$115k-$145k/yr OnsiteFull Time

Intrado: Provides technology and infrastructure for emergency 911 communication services.

5+ YOE5+ years of professional software development; automation testing frameworks; Java, Python, JavaScript/TypeScript, or C#; backend services/APIs; CI/CD; AI-assisted tools.

Playwright, Cypress, Selenium, pytest, REST-assured, Criterion, Java, Python, JavaScript/TypeScript, C#, Copilot, Claude

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Test Automation Engineer

Boulder, Colorado, United States

$113k-$168k/yr OnsiteFull Time

SciTec: Provides advanced remote sensing and missile defense technology solutions.

5+ YOE5+ years in test automation or software/software engineering; strong Python/JavaScript; API/microservice testing; Linux; Git; CI/CD; DoD clearance potential.

Python, JavaScript, Linux, Git, CI/CD, APIs, Docker, Kubernetes, OpenShift

3mo

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3mo

Experienced Software Engineer - AI Tools

Chicago or Austin or Boulder or London or New York City or Seattle

$200k-$300k/yr HybridFull Time

Hudson River Trading: Quantitative trading firm developing algorithms for global financial markets.

5+ YOEBachelor's in CS/CE or related field; Python required; C++/JavaScript a plus; experience with AI tooling; UNIX/Linux knowledge; strong design and debugging skills.

Python, C++, JavaScript, TypeScript, React, UNIX/Linux, AI tooling

3mo

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3mo

Sr Full-Stack Applications Developer (Broomfield, CO, US, 80023)

Broomfield, Colorado, United States

HybridFull Time

Sonepar: Distributes electrical products and solutions to business customers worldwide.

5+ YOEBachelor's in CS or related field; 5+ years full-stack .NET development; .NET (ASP, MVC), REST/Web API, JavaScript/TypeScript, HTML/CSS, JSON; SQL; UI through data access layer; cross-browser.

ASP.NET MVC, .NET Framework, Visual Studio, SQL Server, REST, Web API, TypeScript, JavaScript, jQuery, HTML, CSS, JSON, XML, MVC

1mo

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1mo

Software Development Engineer in Test

Westminster, Colorado, United States

$78k-$108k/yr OnsiteFull Time

TrimbleNASDAQ: TRMB: Provides hardware and software for precision positioning and modeling.

2+ YOE2-5 years of programmatic web system testing; HTTP/REST/Auth experience; proficient in TypeScript/Java/JavaScript/Python; BS in CS.

TypeScript, JavaScript, Java, Python, HTTP, REST, OAuth2, AWS

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Mobile Application Developer

Broomfield, Colorado, United States

$119k-$160k/yr HybridFull Time

Hunter Douglas: Manufactures and sells custom window treatments and architectural products.

5+ YOESenior React Native developer with 5+ years mobile experience, 3+ years React Native, strong JS/TS, APIs and BLE, bachelor’s or equivalent.

JavaScript, TypeScript, React Native, Swift, Objective-C, Java, Kotlin, BLE, APIs, Mobile deployment

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Senior Software Developer

Louisville, Colorado, United States

$118k-$144k/yr OnsiteFull Time

CableLabs: Develops next-generation technology specifications for the global broadband industry

5+ YOE5+ years in professional software development; strong Python; SQL; REST APIs; Git; CI/CD; excellent communication; Bachelor’s degree in CS/Software Engineering.

Python, SQL, Git, GitLab CI, pytest, REST APIs, JavaScript, TypeScript, Node.js

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Senior Software Developer

Louisville, Colorado, United States

$118k-$144k/yr OnsiteFull Time

CableLabs: Research and development for the broadband and cable industry.

5+ YOE5+ years of professional software development; strong SQL; Python; Git; REST APIs; pytest or similar testing; CI/CD experience; ability to own features end-to-end.

Python, SQL, Git, REST APIs, pytest, JavaScript, TypeScript, Node.js, CI/CD, GitLab CI

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Software Engineer

Westminster, Colorado, United States

$74k-$137k/yr HybridFull Time

Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.

1+ YOEBachelor’s degree in CS/CE or related field; 1+ years in software development with Java or Python; SQL; Unix; cloud and big data tools; Docker/Kubernetes and AWS/Databricks plus AI tools a plus.

Java, Python, SQL, Unix, Hadoop, HBase, Spark, Spring, Hibernate, Maven, Angular, HTML, JavaScript, Docker, Kubernetes, AWS, Databricks, AI tools

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Staff Software Reliability Engineer (Longmont, CO, US)

Longmont or Shakopee

$106k-$154k/yr OnsiteFull Time

Seagate TechnologyNASDAQ: STX: Seagate manufactures hard disk drives and data storage solutions.

6+ YOEBS in CS/engineering; 6+ years in collaborative development; strong C/C++ and Python; Linux OS/Kernel and HBA driver/firmware; CI/CD; storage (HDD/SSD) knowledge; JIRA tools; experience with CI/CD environments; familiarity with NVMe, SATA/SAS; Java/JavaScript helpful.

C, C++, Python, Linux, JIRA, Fisheye, Bamboo, Bitbucket, CI/CD, NVMe, SATA, SAS, Java, JavaScript

1mo

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1mo

Middle Software Developer - C#, .NET

Santiago, 12, Chile

OnsiteFull Time

Sovos: Cloud-based tax compliance and regulatory reporting software provider.

3+ YOEBachelor’s degree in computer science or related field with 3+ years’ software engineering experience; full-stack ASP.NET MVC, C#, and .NET; front-end tech (HTML, CSS, JavaScript, etc.); back-end skills (WCF, APIs, SQL Server, T-SQL); AWS/Azure DevOps desirable; Git/GitHub; IIS; remote Agile experience.

ASP.NET, MVC, Visual Studio, .NET, C#, HTML, CSS, JavaScript, jQuery, XML, JSON, Ajax, WCF, SOAP, REST, Entity Framework, LINQ, SQL Server, Transact-SQL, Git, GitHub, IIS, AWS, Azure DevOps

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Application Developer

Broomfield, Colorado, United States

$78k-$97k/yr HybridFull Time

Elevations Credit Union: Provides member-owned banking, mortgage, and investment services to Coloradans.

2+ YOEBachelor’s degree in CS/related field or equivalent; 2 years financial institution dev experience; strong programming skills; familiarity with enterprise platforms and SDLC.

PowerOn, SQL, HTML, JavaScript, C#, Java, COBOL, RPG, Unix, Python, PowerShell, Bash, ITIL

2mo

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2mo

Advisory Software Engineer

Boulder, Colorado, United States

$93k-$110k/yr OnsiteFull Time

RicohTokyo Stock Exchange: 7752: Ricoh provides digital workplace services and document management solutions.

5+ YOEMS in CS/CE/EE or related field; 5+ years in software development; strong C/C++, Rust, Python; Linux IPC; AI/ML experience; Agile; travel up to 10%

C++, Rust, Python, Git, CI/CD, SQL, Java, JavaScript, AWS, Django, ReactJS, Linux

1mo

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1mo

Software Developer Intern

Louisville or Remote

$24-$26/hr RemoteAll Commitments Available

BDI: Evaluates and monitors structural integrity of civil infrastructure.

Pursuing a Bachelor’s degree in CS/Software Engineering; basic software concepts; one programming language; Git familiarity.

Git, Python, JavaScript, C#, Java

1mo

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1mo

Software Engineer

Louisville, Colorado, United States

$120k-$145k/yr OnsiteFull Time

InfleqtionNYSE: INFQ: Develops neutral-atom quantum computing and precision sensing technologies.

5+ YOEBachelor’s degree in CS/EE, 5+ years Rust, embedded Rust/C++, FPGA integration, embedded Linux, frontend basics; strong problem-solving and communication.

Rust, C++, JavaScript, TypeScript, React, FPGA, Linux, SPI, I2C, UART, PCIe, Ethernet

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Engineer Senior - Digital Test Developer

Westminster, Colorado, United States

$97k-$165k/yr HybridFull Time

BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.

4+ YOEBS in engineering or related field with 4+ years experience; full stack web/app development; Python and Ruby; CI/CD; software lifecycle.

Python, Ruby, JavaScript, Ruby on Rails, NodeJS, Docker, Veristand, LabVIEW, Cosmos/OpenC3, CI/CD

1mo

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1mo

Frontend Software Engineer

Longmont, Colorado, United States

$130k-$180k/yr OnsiteFull Time

nLIGHTNASDAQ: LASR: Designs and manufactures high-power semiconductor and fiber laser systems.

5+ YOE5+ years as a Frontend Software Engineer; Bachelor’s in Computer Science or related field; U.S. DoD security clearance or eligibility

JavaScript, Python, C#, DOTNET, GitLab, Windows

2mo

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2mo

Scada Engineer

Broomfield, Colorado, United States

$80k-$95k/yr OnsiteFull Time

RRC Companies: Engineering services for utility-scale solar, wind, and storage projects.

3+ YOEBachelor's in Electrical Engineering or related field; 3-7 years SCADA design/maintenance; warehouse automation experience; HVAC and energy management knowledge; PLC/HMI/SCADA experience.

Ignition, Wonderware, GE iFIX, Siemens WinCC, Schneider EcoStruxure, BACnet, Modbus, OPC UA/DA, MQTT, Python, JavaScript

2mo

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2mo

Scada Engineer

Broomfield, Colorado, United States

$80k-$95k/yr OnsiteFull Time

RRC Power & Energy: Providing engineering services for utility-scale renewable and traditional energy.

3+ YOEBachelor's in Electrical Engineering or related; 3-7 years SCADA design/implementation; warehouse automation and BMS experience; protocol knowledge; strong problem-solving.

Ignition, Wonderware, GE iFIX, Siemens WinCC, Schneider EcoStruxure, BACnet, Modbus, OPC UA/DA, MQTT, Python, JavaScript

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Controls Engineer III

Boulder, Colorado, United States

$95k-$135k/yr OnsiteFull Time

Electra: Decarbonizing iron production through low-temperature electrochemical refining technology.

5+ YOEBachelor's in electrical/automation engineering; 5+ years in controls and data acquisition; proficiency in programming languages; strong instrumentation knowledge; experience with industrial automation protocols; ICS design expertise; safety program implementation.

Siemens S7 PLC (TIA Portal), Ignition HMI & SCADA, Modbus, Profibus, Ethernet/IP, RS-485, SolidWorks Electrical, Python, C/C++, C#, JavaScript

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Engineer Principal – Systems Test, Space Vehicle Assembly, Test and Launch Operations (AI&T / ATLO)

Boulder, Colorado, United States

$118k-$201k/yr OnsiteFull Time

BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.

6+ YOEBS in engineering with 6+ years related experience; higher degrees may substitute; experience testing spacecraft and RF systems.

MS Office, COSMOS Command and Control Software, GitLab, RF GSE, Spectrum Analyzers, Power Meters, JavaScript, Python, Ruby, Go

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Software Development Intern – Summer 2026

Westminster, Colorado, United States

$23-$40/hr OnsiteInternship

ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.

enrolled in a bachelor’s or master’s program in computer science or software engineering; strong Python and JavaScript/TypeScript; experience building web/desktop apps; REST APIs; databases; GPA 3.0+ desirable; prior internship or project experience preferred.

Python, JavaScript, TypeScript, REST APIs, React, Vue, Flask, FastAPI, Electron, PostgreSQL, SQLite, NoSQL

1mo

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1mo

Postdoctoral Scholar - Mines NIST PREP Lead Data Infrastructure Engineer

Boulder or Golden

$71k/yr OnsiteFull Time

Colorado School of Mines: Public research university specializing in engineering and applied science.

Doctoral degree in CS, statistics, physics, or related field; proven cross-disciplinary leadership; experience in scientific computing, data management, and ML; US citizen preferred.

Python, DevOps, Docker, Kubernetes, Linux, Bash, AWS, JSON, XML, HTML, JavaScript, CSS

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Manager, Software Engineering (Loveland, CO, US, 80538)

Loveland, Colorado, United States

$207k/yr RemoteFull Time

NutrienNew York Stock Exchange: NTR: Produces and sells fertilizers, seeds, and agricultural crop inputs.

5+ YOE4+ MgmtLead a software engineering team; build cloud-native data services; mentor engineers; drive Agile practices.

TypeScript, Python, REST APIs, Java, DOTNET, JavaScript, NodeJS, AWS, Azure, GCP