1,198 senior software developer jobs at 349 companies in Frederick, CO

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Senior Software Engineer
Littleton, Colorado, United States
$120k-$150k/yr OnsiteFull Time
OASYS
OASYS: Provides technology services and products for government and defense.
Full-time Senior Software Engineer with C/C++ experience; US citizen; security clearance required.
C, C++
1mo
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Senior Software Engineer
Denver or Salem
$130k-$150k/yr OnsiteFull Time
AutoStore
AutoStoreOslo Stock Exchange: AUTO: Robotic cube storage systems for automated warehouse fulfillment.
5+ YOE5+ years in software development; Bachelor’s or Master’s in CS/Engineering; strong API, security, and data tooling experience.
Git, OpenAPI, OAuth, RabbitMQ, Apache Kafka, Azure Service Bus, Event Hubs, Azure Databricks, TypeScript, C#, F#, PostgreSQL
2mo
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Senior Software Engineer
Denver, Colorado, United States
$143k-$183k/yr HybridFull Time
DAT Freight & Analytics
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
5+ YOE5+ years of software development; strong Node.js; AWS; Kubernetes; Datadog; microservices; relational and NoSQL databases; Bachelor's degree in CS or related field.
Node.js, Docker, Kubernetes, AWS, Datadog, Angular, React, Web Components, Kafka, SQL, NoSQL
2mo
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Senior Software Engineer
Denver, Colorado, United States
$155k-$195k/yr OnsiteFull Time
Performance Drone Works
Performance Drone Works: Manufacturer of autonomous, tactical unmanned aerial systems for defense.
6+ YOE5–8 years of professional software development; strong C++, performance optimization; experience with embedded systems, Qt UI, REST/JSON, Agile/CI/CD.
C++, Qt, QtWidgets, QML, REST, JSON, Git, CMake, QMake
1mo
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Senior Software Engineer
Spring or Fort Collins
$131k-$205k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Produces personal computers, printers, and related digital imaging products.
4+ YOE4-7 years in software engineering; Windows-based app development; C/C++; Win32 API; multithreading; CI/CD; Git; MSTest; Agile; Azure; AI platform familiarity.
C++, Win32 API, Multithreading, Git, CI/CD, MSTest, Agile, Azure, Docker, Kubernetes, Python, JavaScript, React, SQL, API, AWS
1mo
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Senior Software Engineer
Denver, Colorado, United States
RemoteFull Time
Primeritus Financial Services
Primeritus Financial Services: Provides outsourced repossession management and remarketing for lenders.
6+ YOE6-8 years in software development; SaaS/IaaS/PaaS experience; REST, HTML, CSS, JavaScript, Angular, C#, SQL; Agile; .NET/C# certifications beneficial; strong communication.
REST, HTML, CSS, JavaScript, Angular, C#, SQL, SaaS, IaaS, PaaS, Agile
3mo
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Senior Software Engineer
Minneapolis or Denver or Charlotte
$118k-$155k/yr HybridFull Time
RVO Health
RVO Health: Provides digital health information and consumer wellness solutions.
5+ YOE5+ years in software development; strong TypeScript; experience with NodeJS, Golang, or Ruby; experience with Express or Rails; SQL/Postgres; ORMs (Prisma/Sequelize/TypeORM); CI/CD and IaC; strong problem-solving and communication.
Typescript, NodeJS, Golang, Ruby, Express, Ruby on Rails, SQL, PostgreSQL, Prisma, Sequelize, TypeORM, CI/CD, Infrastructure as Code, AI for code generation
3mo
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Senior Software Developer
Louisville, Colorado, United States
$118k-$144k/yr OnsiteFull Time
CableLabs
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
2mo
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Senior Software Engineer - Order Orchestration
Denver, Colorado, United States
$96k-$138k/yr OnsiteFull Time
EchoStar
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
5+ YOESenior software engineer with enterprise Java, AWS, microservices, API design, and CI/CD experience.
Java, Spring Boot, AWS, Docker, Kubernetes, OpenAPI, Swagger
6d
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Senior Software Engineer
Denver, Colorado, United States
$130k-$150k/yr HybridFull Time
OrthoFi
OrthoFi: Software for orthodontic practice operations and patient financing.
10+ YOE10+ years software development experience, 4+ years in senior roles. Strong .NET Core/.NET Framework, React/Angular, SQL Server, AWS, CI/CD experience; Bachelor's in STEM required; experience with AI coding tools preferred.
.NET Core, .NET Framework, React, Angular, SQL Server, AWS, CI/CD, Terraform, Datadog, GraphQL, ElasticSearch, Claude, GitHub Copilot, Cursor, Playwright, Model Context Protocols (MCP)
3mo
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Senior Software Engineer I/II - Digital Engineering
Littleton, Colorado, United States
$125k-$160k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
5+ YOEBachelor's degree in computer science or engineering; 5+ years (Senior I) or 8+ years (Senior II) in software development, with simulation or aerospace focus; proficiency in C#/.NET and Angular; TypeScript/JavaScript; RESTful APIs; U.S. citizenship required.
C#/.NET, Angular, TypeScript/JavaScript, RESTful APIs, Git
3mo
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Senior Software / Applications Developer
Denver or Lakewood
$106k-$130k/yr RemoteFull Time
Cape Fox Federal Integrators
Cape Fox Federal Integrators: Provides government agencies with professional, technical, and training services.
5+ YOESenior-level software development for federal systems; PHP, ColdFusion, Java, SQL; API integrations; Agile DevSecOps; cloud migration; DO I security.
PHP, ColdFusion, Java, SQL, MuleSoft, Oracle, RHEL, AWS GovCloud, Git
1mo
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Senior Software Engineer
Denver, Colorado, United States
$104k-$164k/yr HybridFull Time
CONMED
CONMEDNYSE: CNMD: Manufacturer of surgical instruments and patient monitoring medical devices.
5+ YOEBS in CS/Software/Computer Engineering (or MS), 5–7+ years software development experience, 3+ years embedded systems experience, experience with safety-critical/regulatory software, strong communication and technical documentation skills.
C, C++
2mo
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Senior Software Development Engineer
Lakewood, Colorado, United States
$117k-$146k/yr OnsiteFull Time
Mesa Labs
Mesa LabsNASDAQ: MLAB: Manufactures life science tools and critical quality control solutions.
5+ YOEBachelor's degree in CS or related field; 5+ years professional software development; Go/Python/TypeScript; React/JavaScript/HTML/CSS; PostgreSQL; microservices, CI/CD, Docker/Kubernetes; strong problem-solving and leadership.
Go, Python, TypeScript, React, JavaScript, HTML, CSS, PostgreSQL, NATS, Kafka, QuestDB, InfluxDB, Docker, Kubernetes, Prometheus, Grafana, Datadog, Git
2mo
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Senior Embedded Software Engineer
Berthoud, Colorado, United States
$125k-$155k/yr OnsiteFull Time
Ursa Major
Ursa Major: Designs and manufactures rocket engines and aerospace propulsion systems.
4+ YOEDesign, develop, and maintain embedded software for avionics; strong C/C++ on ARM/SoC/FPGA; hardware interface, debugging tools; Git; team collaboration.
C/C++, ARM, SoC, FPGA, HDL, Git, Oscilloscope, Logic Analyzer, Python, MATLAB
2mo
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Senior Software Engineer, watchOS Widgets & Live Activities - Watch Software
San Francisco Bay Area or Boulder
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
6+ YOE6+ years software development; proficient in Swift/SwiftUI; strong CS fundamentals; collaborative communicator.
Swift, SwiftUI
3mo
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Senior Software Engineer - C++
Boulder, Colorado, United States
$130k-$170k/yr OnsiteFull Time
Shotover Systems
Shotover Systems: Manufacturer of gyro-stabilized airborne camera systems and AR software.
5+ YOE5+ years C++ experience; degree in engineering or CS; networking, video, Git/CMake; Windows/Linux/iOS; latency-critical software.
C++, Git, CMake, Make, Linux, Windows, Visual Studio, Python, CUDA, Vulkan, ARM Jetson, systemd, Ubuntu, Linux device drivers
3w
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Senior Software Engineer
Highlands Ranch or Houston
$93k-$186k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experience with Python and C++, JIRA, Confluence, and Perforce; perform software configuration management and development tool administration; strong team collaboration and communication skills.
Python, C++, JIRA, Confluence, Perforce, DXL
2mo
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Senior, Software Engineer
Denver, Colorado, United States
$99k-$198k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
7+ YOESenior software engineer with extensive experience building scalable identity and access systems; strong TypeScript and/or C# skills, cloud (AWS/Azure), microservices, PostgreSQL and NoSQL, Docker, OOP, mentoring experience; must be authorized to work in the U.S.
TypeScript, C#, Python, Go, AWS, Azure, PostgreSQL, Cosmos DB, DynamoDB, AWS Elasticache, Docker
3mo
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Embedded Software Engineer Senior - SW Engineering - Flight Software
Greenwood Village, Colorado, United States
$135k-$165k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
5+ YOESenior embedded software engineer with real-time, Linux flight software development in C/C++, space systems.
C/C++, Embedded Linux, YOCTO, VxWorks, Real-Time Operating Systems, Linux, Networking, CI/CD, Build systems, Flight software