80 senior full stack software engineer jobs at 51 companies in Greeley, 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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Full Stack Software Engineer
Sterling or Denver
$99k-$207k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
10+ YOETS/SCI with Polygraph required, 10 years software development experience, B.S. in CS or related field, Java required; experience with containerized/Kubernetes and AWS desired.
Java, SQL, VS Code, GitLab, Confluence, Jira, Grafana, ArgoCD, Rancher, Helm, Kubernetes, AWS, GIS
1mo
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Full Stack Software Engineer
Sterling or Denver
$99k-$207k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
10+ YOE10 years software development experience, B.S. in Computer Science or related field, strong Java skills, TS/SCI with polygraph required; experience with containerization, Kubernetes, and AWS desired.
Java, SQL, VS Code, GitLab, Confluence, Jira, Grafana, ArgoCD, Rancher, Helm, Kubernetes, AWS
2w
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Senior Full Stack Product Engineer
Denver, Colorado, United States
OnsiteFull Time
LearnLux
LearnLux: Digital financial planning and advisor access for employee wellbeing.
Senior full-stack engineer with experience shipping GenAI/LLM features, React/TypeScript frontend, Node.js/Python backend, cloud (GCP/AWS/Azure), strong product judgment and cross-functional leadership.
React, TypeScript, Node.js, Python, Google Cloud Platform, GCP, AWS, Azure
1mo
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Senior Software Engineer, Full-Stack (Copy)
United States or Denver
$140k-$180k/yr RemoteFull Time
Doowii
Doowii: AI-powered data analytics platform for educational institutions.
3+ YOEBachelor's degree or equivalent, 3+ years software engineering experience, strong Python, SQL, cloud (AWS/GCP/Azure), LLM APIs and retrieval/vector search experience, API and backend design, and AI system evaluation skills.
Python, SQL, AWS, GCP, Azure, LLM APIs, Pinecone, Weaviate, pgvector, OpenSearch, Airflow, Dagster, dbt, Kafka, Spark, Iceberg, ClickHouse, BigQuery, Snowflake
1w
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Senior Software Engineer - Full Stack
Pittsburgh or Denver or Strongsville or Birmingham or Farmers Branch
$86k-$158k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
3+ YOE3+ years software experience building full-stack applications using Java and Angular; experience with REST APIs, microservices, Git, cloud, containerization, CI/CD; bachelor’s degree typically required.
Java, Angular, REST APIs, Microservices, Git, SQL/NoSQL Databases, Spring Boot, Docker, Kubernetes, CI/CD Tooling, AWS, Azure, GCP
2w
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Full Stack Developer
Denver, Colorado, United States
$130k-$140k/yr HybridFull Time
Strategic Retail Partners
Strategic Retail Partners: Provides in-store merchandising and distribution solutions for retailers.
10+ YOE10+ years full-stack development with strong backend focus; proficiency in Kotlin/Java and PL/SQL; deep Oracle DB knowledge; cloud (OCI) experience; strong troubleshooting and collaboration skills.
Kotlin, Java, PL/SQL, REST(JSON), Angular, Bootstrap, Jenkins, GitLab CI, Microsoft Azure DevOps, Git, Oracle 19c, Oracle 23ai, Oracle Cloud Infrastructure (OCI), Exadata, Linux, Oracle ERP, REST, SOAP, LDAP, FedEx APIs, Python
3mo
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Full Stack Software Engineer – UI/UX & Web Engineering (Azure)
New York or Washington or Denver or Seattle or Los Angeles or Chicago or Austin or Dallas
OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
12+ YOEBachelor's degree; 12+ years full-stack experience; strong React/Vue; REST APIs; Python/Node/.NET; Azure services; DevOps; Git; Agile.
React, Vue, Python, Node.js, .NET, REST APIs, Azure, Azure App Services, Azure Functions, Cosmos DB, Azure Storage, CI/CD, Git
1mo
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Senior Full Stack AI Engineer
Denver, Colorado, United States
HybridFull Time
Ombud
Ombud: AI-powered sales automation and response management software
6+ YOE6+ years full-stack experience; deep Python; JavaScript/TypeScript and React competence; production LLM integration experience (Anthropic/OpenAI/Google); RAG/embeddings/vector DB knowledge; system design and end-to-end production ownership.
LlamaIndex, Qdrant, Anthropic Claude, OpenAI, Google, Python, JavaScript, TypeScript, React, Node.js, PostgreSQL, Elasticsearch, LangChain, LangGraph, Langfuse, Braintrust, Pinecone, Weaviate, Claude Code
3w
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Lead Full Stack Engineer
Denver, Colorado, United States
$130k-$155k/yr OnsiteFull Time
AIR Communities
AIR Communities: Owns and operates residential apartment communities across the US.
10+ YOE10+ years full‑stack experience with C#/.NET, React.js, JavaScript/TypeScript, RESTful APIs, relational databases; experience with cloud platforms, CI/CD, security best practices, and technical leadership.
.NET, React.js, JavaScript, TypeScript, ASP.NET Core, Entity Framework, SQL Server, Postgres, Azure Service Fabric, Azure, AWS, GCP, Git, CI/CD, SAST, SCA, DAST
3w
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Staff Full Stack Engineer - Partnerships Engineering
New York City or Denver or Leeds or Dublin
$144k-$237k/yr RemoteFull Time
Fanatics
Fanatics: Global digital sports platform for merchandise, collectibles, and betting.
8+ YOE8+ years software engineering experience with 2+ years in a staff-level technical leadership role. Strong full-stack background, experience building integration platforms and partner APIs, OAuth 2.0/OpenID Connect/SAML, distributed systems, multi-tenant environments, and strong communication.
Go, TypeScript, React, Kafka, OAuth 2.0, OpenID Connect, SAML
1mo
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Full-Stack Engineer
Denver, Colorado, United States
$90k-$190k/yr HybridFull Time
CapTech
CapTech: Provides technology and management consulting services to large enterprises.
6+ YOE6+ years building applications on the Microsoft stack or Java; experience with RESTful APIs, Swagger/OpenAPI, SQL Server/NoSQL, cloud platforms (Azure/AWS/GCP), JavaScript/TypeScript front-ends, and strong communication and mentoring skills.
Java, RESTful APIs, Swagger, OpenAPI, SQL Server, NoSQL, Azure, AWS, GCP, JavaScript, TypeScript, HTML, CSS, Angular, React, Vue, Bootstrap, Agentic AI, Claude code, CodeX, Opencode, OpenClaude, Git
1mo
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Senior Software Engineer (Full-Stack)
Denver, Colorado, United States
$160k-$210k/yr OnsiteFull Time
Cobalt AI
Cobalt AI: Provides autonomous indoor security robots and remote AI monitoring.
5+ YOE5+ years software engineering experience with frontend depth; strong React and TypeScript skills; experience with canvas/2D rendering, WebRTC, data visualization; backend fluency in Python/Django, GraphQL, and PostgreSQL; AWS and container experience; testing and observability; participate in on-call rotations.
React, TypeScript, Django, Python, GraphQL, PostgreSQL, WebRTC, Storybook, AWS, WebSocket
3w
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Senior Full Stack Engineer
Boulder or King of Prussia or Littleton
$97k-$171k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Ability to obtain Top Secret/SCI, experience with modern programming languages, CI/CD, containerization, infrastructure as code, Kubernetes, cloud-native technologies, Linux, version control, DevSecOps and automated build/test/delivery.
CI/CD, Kubernetes, Linux, Infrastructure as Code, Containerization, DevSecOps, Micro-Service Oriented Architectures, Test driven development
1w
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Senior Full Stack Engineer-DTS
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
bet365
bet365: Provides global online sports betting and digital casino games.
Experience with React and TypeScript, advanced state management (Redux), building microservices, CI/CD (GitHub Actions or Jenkins), testing, SQL optimization, and mentoring engineers.
React, TypeScript, Redux, GitHub Actions, Jenkins, SQL
1mo
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Full-Stack Software Engineers (Experienced/Senior)
Chantilly or Aurora or Mesa
$127k-$233k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOEBachelor’s degree; Top Secret clearance with SCI eligibility; willingness to take CI polygraph; 5+ years in designing/developing complex distributed systems; 3+ years Java; 1+ year object-oriented programming; experience with distributed version control (Git, RTC).
Java, Git, IBM Rational Team Concert, AWS, Jenkins, HTML, CSS, JavaScript, React, jQuery, OpenLayers, Spring Framework, Hibernate, RDBMS, MongoDB, XML, SOAP, REST, WSDL, Ivy, Maven, Gradle, RMI
1mo
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Full-Stack Software Engineers (Experienced/Senior)
Chantilly or Mesa or Aurora
$127k-$233k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOEBachelor's degree; 5+ years software development; Top Secret with SCI eligibility; CI/Polygraph after start; JS/Java/OO programming; distributed systems; cloud exposure.
Java, JavaScript, HTML5, CSS3, React, Spring, Hibernate, REST, SOAP, AWS, Git, Jenkins, Maven, Gradle, RDBMS, MongoDB
1mo
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Full Stack Software Developer Level 3 or 4
Aurora, Colorado, United States
$114k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEActive Top Secret clearance, ability to obtain SCI and CI-Poly, 5+ years software development (Java) experience, Docker/Kubernetes, Apache Kafka/NiFi or data management, Linux/Unix, Agile experience.
Java, Docker, Kubernetes, Apache Kafka, Apache NiFi, Linux/Unix, Agile
1mo
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Software Engineer (Full Stack)
Denver, Colorado, United States
$125k-$165k/yr HybridFull Time
Bayview Asset Management
Bayview Asset Management: Investment management firm specializing in credit and mortgage assets.
6+ YOEBA/BS in CS or engineering required; 6+ years software development experience with C#, JavaScript, SQL/T-SQL, REST/.NET Core; experience with web development, React preferred, relational DB and SDLC (Agile/Scrum).
C#, JavaScript, SQL, TSQL, SQL Server, React, .NET Core, .NET, ADO, HTML, XML, ASP, AJAX, REST, Web services, Git, Jira, TeamCity, Octopus
1mo
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Full Stack Software Developer Level 3 or 4
Aurora, Colorado, United States
$114k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEActive Top Secret clearance with SCI eligibility, Bachelor's in STEM (or equivalent experience), 5+ (Level 3) or 8+ (Level 4) years software development experience, strong Java, Docker, Kubernetes, Linux/Unix, Kafka/NiFi or data management, Agile experience, and ability to obtain CI-Poly.
Java, Docker, Kubernetes, Apache Kafka, Apache NiFi, Linux
1mo
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Frontend Full Stack Staff Software Engineer, AI Platform Experiences
New York City or Seattle or San Francisco or Denver or Los Angeles or San Jose
$163k-$247k/yr HybridFull Time
Gusto
Gusto: Cloud-based payroll and HR software for small businesses.
8+ YOE8+ years software development experience (4+ building scalable platforms), strong front-end skills, experience with Ruby on Rails, React, GraphQL, platform/AI experience preferred, mentoring and cross-functional collaboration skills.
Ruby on Rails, React, GraphQL