135 staff software engineer jobs at 51 companies in Frederick, CO
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
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).
Checkr: AI-powered platform for background checks and identity verification.
10+ YOE10+ years software development experience, 3+ years project leadership; backend expertise (Ruby, Node.js), frontend familiarity (JavaScript, React); experience building scalable systems with automated testing and observability; strong communication and mentoring skills.
Watershed: Software platform for corporate carbon accounting and climate reporting.
8+ YOE8+ years of software engineering experience; Node.js web development or data pipelines; experience building scalable software from user needs; willingness to work in an office four days a week.
Lunar Outpost: Develops autonomous robotic systems and rovers for lunar exploration.
5+ YOE5+ years embedded software or avionics; BS in computer or electrical engineering; RTOS experience (VxWorks/RTEMS/FreeRTOS); proficient in C for embedded systems; experience with flight software frameworks; US person.
Denver or San Francisco or New York or Los Angeles or Seattle or Toronto
$189k-$250k/yrHybridFull Time
Gusto: Cloud-based payroll and HR software for small businesses.
10+ YOE10+ years software development; strong Ruby on Rails; experience with asynchronous processing (Sidekiq/Kafka); tooling for large engineering teams; AI-enabled productivity improvements.
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
5+ YOE5+ years experience with a Bachelor’s Degree or 2+ years with an Advanced degree (e.g., Master’s) or 0 years with a PhD, or 8+ years experience; container tech; enterprise web services; leadership; cross-functional collaboration.
Containerization, Web services, Cloud platforms, CI/CD, Monitoring and logging, Automation tools
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOERequires TS/SCI with polygraph, Sec+ certification, Linux experience, BS degree, and 5+ years professional software engineering experience; U.S. citizenship required.
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
5+ YOEU.S. Person required, 5+ years building complex software, expertise with Python/Django, Linux, REST/JSON/YAML, test automation, CS/Engineering degree or equivalent.
Recurly: Automates subscription billing and management for recurring revenue businesses.
10+ YOE10+ years full‑stack software engineering experience; deep Ruby on Rails and Vue.js expertise; API and MySQL proficiency; proven technical leadership and mentoring; experience with AI-assisted development tools.
Ruby on Rails, ActiveRecord, Vue.js, MySQL, GitHub Copilot, Cursor, Claude Code, Go (Golang), Node.js, Anthropic, OpenAI, AWS, OpenSearch, Redis, Kafka, Docker, CI/CD
Annapolis Junction or San Antonio or Aurora or Carey
$186k-$292k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
12+ YOEBachelor's degree in computer science/IS or network engineering; 12+ years experience (or 10 for Masters, 8 for PhD); program in C/C++, Java, Python; experience with CNO tools and networking; ability to design and develop end-to-end data flows.
LINQ: Provides cloud software for K-12 school administration and nutrition.
10+ YOE10+ years software development experience with deep mobile expertise; Bachelor’s or equivalent; production React Native, TypeScript, Swift and/or Kotlin experience; native iOS/Android and CI/CD knowledge; strong communication and technical leadership.
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
7+ YOERequires advanced software development experience (C++, Linux, multithreading, TCP/UDP sockets), 7+ years' experience (varies by degree), ability to obtain DoD security clearance, and strong communication and testing skills.
SciTec: Provides advanced remote sensing and missile defense technology solutions.
3+ YOEBachelor's in physical sciences, mathematics, engineering, or computer science; 3 years in software test engineering; strong teamwork and communication; DoD clearance ability.
Python, Test Automation, Model-Based Systems Engineering (MBSE), OPIR processing systems
Beaverton or Denver or Seattle or Portland or Springfield or Toronto or Bengaluru
$195k-$221k/yrHybridFull Time
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
7+ YOEBachelor's/Master's in CS or related, 7+ years enterprise software experience with 4+ years on Salesforce; Salesforce Platform Developer I or II required; proficiency in Apex, LWC, Flows, SOQL, integrations, cloud platforms, and modern engineering practices.