1,075 senior software developer jobs at 343 companies in Milliken, CO

2mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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)
2mo
Save
Mark Applied
Hide
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++
3mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Denver, Colorado, United States
$160k-$185k/yr HybridFull Time
Litera
Litera: AI-powered document and workflow software for legal professionals.
5+ YOE5+ years backend software development with .NET/.NET Core and Web/REST APIs; frontend experience with React/Vue/Angular/Svelte and Typescript; SQL experience; unit testing; AI/LLM development experience; strong communication and problem-solving.
Cognition AI, Devin, Cline, Replit, Cursor, Azure OpenAI, Anthropic, GitHub, Azure DevOps, Bit, Microsoft Visual Studio Code, Microsoft Visual Studio, SQL Azure, SQL Server, Unknit, MSTest, PostgreSQL, Docker, Azure, AWS, GCP, GitHub Copilot, Windsurf, Codex
4d
Save
Mark Applied
Hide
Software Engineer, Senior
Aurora, Colorado, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
8+ YOERequires 8+ years of software development, technical leadership, architecture for distributed systems, Agile, Git, databases, Python, AWS, Kubernetes, bachelor's degree, and TS/SCI clearance.
Git, SQL Server, PostgreSQL, MySQL, Python, AWS, Kubernetes, Docker, Podman, CI/CD
5d
Save
Mark Applied
Hide
Software Engineer, Senior
Aurora or Dayton or Chantilly or El Segundo or Colorado Springs
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
8+ YOERequires 8+ years of software development, technical leadership, distributed systems architecture, Agile, Git, SQL, Python, AWS, Kubernetes, bachelor's degree, and TS/SCI clearance.
Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser, Git, SQL Server, PostgreSQL, MySQL, Python, AWS, Kubernetes, Docker, Podman, DCO-S
1w
Save
Mark Applied
Hide
Senior Software Engineer
Denver or United States
$140k-$150k/yr RemoteFull Time
TextUs
TextUs: Cloud-based text messaging platform for business communication and engagement.
5+ YOE5+ years building production software, strong spec authoring and written communication, Rails/full-stack experience, AI-assisted development fluency (Claude Code), ownership and mentorship experience.
Claude Code, Ruby on Rails, Postgres, ElasticSearch, ActiveJob, AWS SQS, Sidekiq, AWS, TypeScript, React, React Native, Chrome
3w
Save
Mark Applied
Hide
Senior Software Engineer, Golang
Minneapolis or Charlotte or Denver
$119k-$150k/yr HybridFull Time
RVO Health
RVO Health: Provides digital health information and consumer wellness solutions.
5+ YOEBachelor's or equivalent,5+ years software development experience,proficiency in multiple programming languages,software testing experience,and strong communication and problem-solving skills.
Go, PHP, JavaScript, Python, TypeScript, Java, C#, C++, Node.js, GraphQL, REST APIs, NoSQL, AWS, IaC, AI for code generation
3mo
Save
Mark Applied
Hide
Senior Software Engineer
Denver, Colorado, United States
$100k-$144k/yr RemoteFull Time
Resource Innovations
Resource Innovations: Provides clean energy services and software solutions for utilities.
10+ YOEExpert PHP 8.x with 10+ years in PHP frameworks (e.g., Laravel); strong RESTful APIs, Vue.js (6+ years), TypeScript; SPA design; AWS/serverless; Git; Agile; testable code with Pest/PHPUnit.
PHP, Laravel, Vue.js, TypeScript, Git, AWS, New Relic, CloudWatch, Pest, PHPUnit, NPM, Vite, Tailwind CSS
1mo
Save
Mark Applied
Hide
Senior Software Engineer
San Francisco or Denver
$150k-$200k/yr HybridFull Time
SquareTrade
SquareTradeNYSE: ALL: Extended warranty and protection plans for consumer electronics.
5+ YOEBachelor's in CS required, 5+ years professional software development, strong Python/Java/Spring Boot/Kafka skills, generative AI exposure, TDD and pair-programming experience, PostgreSQL, GitHub, Jenkins, cloud (AWS/Microsoft Azure).
Python, Java, Spring Boot, Kafka, ChatGPT, Gemini, Retrieval-Augmented Generation (RAG), AWS, Microsoft Azure, CI/CD, Test-Driven Development (TDD), PostgreSQL, GitHub, Jenkins, Angular, JavaScript, CSS, Docker, Kubernetes, microservices
1w
Save
Mark Applied
Hide
Senior Software Engineer, Radar
Broomfield or Fort Collins
$190k-$252k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years software development experience; proficiency in C++; experience with Nix/NixOS, API design, reproducible builds, and software quality/security practices; Bachelor's in CS/CE or related.
C++, Python, Nix, NixOS, Lattice OS, gRPC, Protobuf, ZeroMQ, DDS, Docker, Linux
1mo
Save
Mark Applied
Hide
Senior Software Engineer (Onsite)
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEActive TS/SCI clearance, U.S. citizenship, 5+ years software development (or 3+ with advanced degree), experience with Java and object-oriented development, cloud exposure (AWS/Azure) and Agile.
Java, AWS, Azure
3d
Save
Mark Applied
Hide
Senior Software Engineer- Java Developer
Aurora or Denver
$152k-$262k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Technical mission support and software engineering for aerospace.
8+ YOEBachelor's degree or equivalent practical experience, 8+ years of software engineering experience, substantial Java development, active Top Secret clearance, enterprise application, API, database, testing, and Agile experience.
Java, Java SE, Java EE, Spring Boot, Hibernate, RESTful APIs, JUnit, TestNG, Git, Docker, AWS, Azure, Google Cloud, SAFe
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Denver or United States
$120k-$160k/yr HybridFull Time
DHI Group
DHI GroupNYSE: DHX: Operates specialized career marketplaces and talent acquisition software platforms.
Experience building production-grade applications with Node.js and TypeScript, REST/GraphQL services, React/Next.js, AWS and container deployments; automated testing and AI-native workflows; senior technical leadership and mentoring.
Node.js, TypeScript, RESTful, GraphQL, React, Next.js, AWS, Docker, Fargate, Kubernetes, Playwright, LiteLLM, Python, Java, PostgreSQL, SNS, SQS, Lambda
12h
Save
Mark Applied
Hide
Senior Software Engineer/Full Stack Developer
Denver or Naperville
HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
7+ YOEBachelor's degree or equivalent professional experience, 7+ years of experience, and expertise in Java, node.js, SQL, Python, web technologies, relational databases, and collaborative software development.
Java, node.js, SQL, Python, HTTP, JSON, Web Sockets, ClaudeCode, CoPilot for git, Unix, Microsoft SQL Server, PostgreSQL, Azure SQL, Oracle, DevOps
4d
Save
Mark Applied
Hide
Senior Software Engineer (Autonomy)
Palmdale or Fort Worth or Atlanta or Denver or Huntsville
$120k-$160k/yr OnsiteFull Time
Lynx Software Technologies
Lynx Software Technologies: Provides secure, safety-certified software for aerospace and defense.
5+ YOEBachelor's degree in computer engineering, computer science, or related discipline; 5+ years software development with C, C++, Java, Python, and Bash; embedded systems, Git, Linux, UAS/UAV, and active Secret clearance required.
C, C++, Java, Python, Bash, Git, Linux, Windows, Atlassian Tools, Confluence, JIRA, Bitbucket, ArduPilot, PX4, MAVLink, Docker, CI/CD, EAP
2mo
Save
Mark Applied
Hide
Senior Software Engineer (Tech Lead), Customer Domain Engineering
San Francisco or Denver or New York City
$209k-$240k/yr HybridFull Time
Forge Global
Forge GlobalNYSE: FRGE: Marketplace for trading private shares and pre-IPO stock.
8+ YOE8+ years of software engineering experience; API development with C#/.NET; event-driven systems; CQRS/Event Sourcing; strong SQL; fintech experience preferred; team leadership experience.
C#, .NET, Kafka, RabbitMQ, SQL