46 csharp jobs at 26 companies in Wellington, CO

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Firmware Development Engineer
Boulder, Colorado, United States
$120k-$130k/yr OnsiteFull Time
Socomec
Socomec: Manufacturer of low-voltage electrical equipment for power systems.
5+ YOE5+ years embedded firmware development; C/C++ proficiency; RTOS/bare metal; microcontrollers; version control; data bases; cross-functional team work.
Git, Jenkins, IAR, MySQL Workbench, Python, C#, Ethernet/IP, SNMP, Modbus, UART, SPI, I2C, RTOS, C, C++, Renesas, ST
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Prin Software Engineer
Lafayette, Colorado, United States
$153k-$229k/yr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
7+ YOEBachelor's degree with 7+ years (or Master's 5+ years, or PhD 3+ years) in a relevant field; strong software development experience in regulated medical device environment.
C++, C#, Qt, Qt Creator, Visual Studio, VS Code, Rad Studio
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Prin Software Engineer
Lafayette, Colorado, United States
$153k-$229k/yr OnsiteFull Time
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
7+ YOEExperience designing, developing, testing, and maintaining software for medical devices; strong knowledge of C++, C#, and GUI frameworks; able to work in Agile teams.
Visual Studio, VS Code, Qt Creator, Rad Studio, C++, C#, WPF, Qt
2w
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2026-2027 Information Technology - Software Engineer - Full-Time
Houston or Bakersfield or Denver or Midland or Covington or Greeley
$94k-$110k/yr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Bachelor's or master's in CS/CE/MIS/EE/related or equivalent experience; students graduating by July 2027 or grads <2 years; submit unofficial transcript; ability to demonstrate Chevron Way.
C#, .NET, Java, Python, TypeScript, JavaScript, React, Angular, Node.js, SQL, GitHub Actions, Terraform, Bicep, Kubernetes, OpenShift, Azure Cloud Services, REST APIs, GraphQL, GitHub Copilot, GitHub Enterprise, Service Now, Ansible, Azure DevOps
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Sr AI Enablement Engineer
Bellevue or Boston or Boulder or Chicago or Denver or Los Angeles or New York City or San Francisco or San Jose or Seattle or Ventura
$125k-$229k/yr OnsiteFull Time
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
8+ YOE8+ years software engineering experience, 1-2+ years on AI systems, Bachelor's/Master's or equivalent, strong Python and familiarity with C#, SQL, TypeScript/React, experience with LLMs, RAG, vector DBs, and enterprise AI platforms.
LangChain, LlamaIndex, Semantic Kernel, Azure AI Search, vector databases, Microsoft Copilot, Microsoft Copilot Studio, Anthropic Claude, Python, C#, SQL, TypeScript, React
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Software Engineer II
Denver or Fort Collins or Boulder
$90k-$110k/yr HybridFull Time
Synergetics
Synergetics: Provides secure cloud infrastructure and logistics software for defense.
3+ YOE3+ years software development with C#/.NET and Angular, Azure and SQL Server experience, CI/CD and DevOps familiarity, strong problem solving and communication; U.S. citizenship required.
.NET, Angular, C#, SQL Server, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL, Microsoft Azure Storage, Microsoft Azure Key Vault, GitHub, Azure DevOps, GitHub Actions, BICEP, Terraform, ARM templates, Docker, Kubernetes, ServiceNow, JavaScript, TypeScript, HTML, CSS, React, Vue
3w
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Software Engineer III
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
C++, Java, Python, C, C#, HTML, Bash
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IT Applications - Systems Analyst
Windsor or Rochester
$70k-$75k/yr HybridFull Time
Kodak Alaris
Kodak Alaris: Sells document scanners, imaging software, and photo printing kiosks.
1+ YOEBachelor's degree or equivalent experience in CS/IT, 1+ years relevant experience desired, strong Microsoft stack programming (C#, .NET, SQL, JavaScript, PowerShell), experience with Microsoft Dynamics 365 (D365), Azure, integrations (APIs/web services), and application support.
C#, .NET, SQL, JavaScript, PowerShell, Microsoft SQL Server, Microsoft Visual Studio, Microsoft Azure DevOps, Git, GitHub, APIs, web services, Microsoft Power BI, Microsoft Dynamics 365 Finance & Operations, Microsoft Azure
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Staff Electro-Optical Engineer - Mission Modeling
Longmont, Colorado, United States
$140k-$190k/yr HybridFull Time
nLIGHT
nLIGHTNASDAQ: LASR: Designs and manufactures high-power semiconductor and fiber laser systems.
7+ YOEMaster's degree in engineering or science required (PhD preferred),7+ years experience,ability to obtain U.S. DoD personnel security clearance,expertise in physics-based modeling,mentoring and cross-discipline collaboration.
MATLAB, Python, C, C++, C#
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Director of Engineering
Boston or Boulder or Chicago or Remote - US or Richmond
$140k-$170k/yr HybridFull Time
Yes Energy
Yes Energy: Provides real-time electric power market data and trading analytics.
7+ YOE5+ Mgmt7+ years engineering experience; 5+ years in leadership; hands-on coding; track record across multiple teams; strong coaching; Kanban; DevOps/CI-CD a plus; energy trading or equities/commodities experience a plus.
React, REST API, Microsoft SQL Server, C#, Snowflake, AWS, Azure, Cloud, DevOps, CI/CD
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Test Engineer III – Motion Control, Honeybee Robotics (EGSE & Test Software)
Longmont, Colorado, United States
$111k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEBachelor's in engineering, 5+ years hands-on hardware testing with EGSE/ATE, extensive LabVIEW experience, programming proficiency (LabVIEW, Python, C#), DAQ and instrumentation experience, ability to read electrical schematics, and U.S. work-authorization required.
LabVIEW, LabVIEW FPGA, Python, C#, C++, MATLAB, VHDL, Verilog, CompactRIO, PXI, FlexRIO, DAQ systems, SQL, InfluxDB, Git, VISA, GPIB, Ethernet, RS-232, RS-422, Vector Network Analysis (VNA), DOORS, Jama, load cells, torque sensors, encoders, thermocouples, accelerometers, motor controllers
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D365 F&O Technical Solution Architect
Denver or Los Angeles or Washington or Troy or New York or Houston or Chicago or Grand Rapids or Owings Mills or Richmond or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Fort Worth or Atlanta or Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Pittsburgh or Tulsa or Cincinnati or Cleveland or Columbus or Akron or Cherry Hill or Tampa or Minneapolis or Anchorage or Salt Lake City or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego
$158k-$197k/yr OnsiteFull Time
BDO USA
BDO USA: Provides accounting, tax, and business advisory services to organizations.
6+ YOE6+ years technical D365 experience leading projects and teams; proficiency with X++, .NET/C#, SSRS, RESTful APIs, SQL, JSON, ADO/Visual Studio/LCS and D365 F&O implementation technologies; strong analytical and communication skills.
X++, .NET/C#, SSRS, RESTful API Web Services, SQL, JSON, ADO, Visual Studio, LCS, ADO Pipelines, Build Runs (Software Deployable Packages), D365 F&O, Microsoft Dynamics 365, Microsoft Dynamics Finance & Operations, Microsoft Dynamics Business Central, Business Central, Sales Cloud, Service Cloud, Marketing Cloud, Microsoft Finance and Supply Chain Management, Dynamics 365 CRM
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Field Automation & SCADA Technician
Kersey, Colorado, United States
OnsiteFull Time
Edge OFS
Edge OFS: Provides specialized well completion and wireline services for energy producers.
1+ YOE1-2 years automation technician experience; diagnose and repair electronic instrumentation, configure field devices, develop and troubleshoot PLC/HMI programs (Ladder/Structured Text/C#), integrate devices with cloud using WEBIQ-OPCUA/MQTT, and provide field and remote support. Valid driver's license and pass drug/alcohol screening required.
Modbus, PLC, HMI, Ladder Logic, Structured Text, C#, VPN, WEBIQ-OPCUA, MQTT, WEBIQ SCADA, JavaScript, Python
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Software Engineering Associate Manager
Longmont or Boulder
$114k-$201k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOEActive US clearance (Secret with ability to obtain TS/SCI), 5+ years professional experience, BS degree, Agile/SAFe and Lean experience, technical team leadership, software development and project management skills.
SAFE, Agile, Lean, C++, C, C#, microservices, TT&C
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Controls Engineer III
Boulder, Colorado, United States
$95k-$145k/yr OnsiteFull Time
Electra
Electra: Decarbonizing iron production through low-temperature electrochemical refining technology.
5+ YOEBachelor's in electrical/control/automation engineering, 5+ years controls and data-acquisition experience, PLC/HMI/SCADA programming (Siemens S7, TIA Portal, Ignition), proficient with industrial instrumentation, protocols (Modbus, Profibus, Ethernet/IP, RS-485), SolidWorks Electrical, and electrical safety/LOTO practices.
Siemens S7, TIA Portal, Ignition, SCADA, SolidWorks Electrical, C, C++, C#, Python, JavaScript, Modbus, Profibus, Ethernet/IP, RS-485, ISA, IEC
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Software Dev Engineer III - AMZ9899639
Boulder, Colorado, United States
$168k-$227k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOEMaster's or Bachelor's in CS/Engineering/Math (or related) with corresponding experience; experience designing large-scale distributed systems, object-oriented design, and development in Java, C++, or C#; technical leadership and project management experience.
Java, C++, C#
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Senior Associate, Application Security, DevSecOps
Birmingham or Bentonville or Phoenix or Tempe or Irvine or Los Angeles or Sacramento or San Diego or San Francisco or Santa Clara or Boulder or Denver or Hartford or Stamford or Washington or Fort Lauderdale or Jacksonville or Miami or Orlando or Tallahassee or Tampa or Atlanta or Des Moines or Boise or Chicago or Indianapolis or Louisville or Baton Rouge or New Orleans or Shreveport or Boston or Baltimore or Detroit or Minneapolis or Kansas City or St Louis or Jackson or Charlotte or Raleigh or Winston-Salem or Lincoln or Omaha or Montvale or Short Hills or Albuquerque or Las Vegas or Albany or Buffalo or Melville or New York or Rochester or Cincinnati or Cleveland or Columbus or Oklahoma City or Portland or Harrisburg or Philadelphia or Pittsburgh or Providence or Greenville or Knoxville or Memphis or Nashville or Austin or Dallas or Fort Worth or Houston or San Antonio or Salt Lake City or Ashburn or McLean or Richmond or Seattle or Milwaukee or Virginia Beach or El Segundo
$90k-$168k/yr OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
4+ YOE4+ years application security/DevSecOps experience, familiarity with CI/CD, SAST/DAST, cloud (preferably Azure), programming in Java/C#/JavaScript/Python/SQL, strong threat modeling and risk assessment skills, and U.S. work authorization without sponsorship.
Java, C#, JavaScript, Python, SQL, CI/CD, SAST, DAST, Azure, OWASP
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HW Test Engineer
San Francisco or Boulder
OnsiteFull Time
Eight Sleep
Eight Sleep: Develops smart mattresses and temperature-regulated sleep technology.
3+ YOE3+ years hardware/software development; embedded hardware; Python or C#/WPF; PCB bring-up; data logging; travel up to 20%; BS/BA in technical field; manufacturing experience.
Python, C#, WPF, Git, GitHub, Command Line, Homebrew, apt, Soldering, Wiring, I2C, SPI, PCB Bring-up, Data Logging
1mo
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Enterprise Information Systems Engineer
Fort Lupton, Colorado, United States
$99k-$149k/yr OnsiteFull Time
Charm Industrial
Charm Industrial: Sequesters carbon by converting biomass residues into bio-oil.
2+ YOE2+ years in systems integration or MES/ERP administration; hands-on NetSuite experience preferred; SQL and API integration proficiency; basic C# scripting; strong communication and information security knowledge.
Manufacturo (MFO), NetSuite, Mangrove, C#, SQL, Google Sheets, Ignition SCADA, Claude AI Coding Assistant, GitHub, Google Cloud Platform, Bartender
2w
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Senior DevSecOps Engineer
Boulder, Colorado, United States
$148k-$267k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
10+ YOEActive DoD Secret clearance,10+ years experience, strong RHEL administration and scripting (Bash, Python), IaC and cloud expertise (Terraform, Ansible, CloudFormation, Pulumi), CI/CD and container orchestration experience, familiarity with NIST and DoD DevSecOps.
Terraform, Ansible, CloudFormation, Pulumi, GitLab CI, GitHub Actions, Azure DevOps, Jenkins, Docker, Kubernetes, RKE2, OpenShift, Rancher, Helm, Kustomize, Artifactory, Harbor, Docker Registry, Nexus, OPA, Conftest, Checkov, Red Hat Enterprise Linux, Bash, Python, Java, C#, Go, JavaScript/TypeScript, SAST, DAST, SCA, Git, VMware