220 csharp jobs at 100 companies in Littleton, 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
1mo
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FBG Tech US Template
Leeds or Dublin or Denver or New York City or United Kingdom or Ireland
$1/yr HybridFull Time
Fanatics
Fanatics: Global digital sports platform for merchandise, collectibles, and betting.
3+ YOE3+ years building scalable, high-performance applications; 2+ years with C# and cloud platforms (Azure a plus); strong analytical, communication, and software design (SOLID, TDD/BDD, DDD) skills; willing to join on-call rotation and occasional travel.
C#, Azure
3d
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Digital Solutions Technical Analyst
San Diego or Tampa or Dallas or Denver or Irvine or Knoxville
$80k-$100k/yr OnsiteFull Time
APTIM
APTIM: Provides environmental, resilience, and infrastructure engineering solutions.
4+ YOEBachelor's in CS/IT/Engineering,4+ years in data analytics/software support/EMIS roles,BI and SQL experience,MS Office proficiency,technical writing and stakeholder requirements skills.
Power BI, Tableau, Enablon, Cority, Intelex, Velocity, Locus, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint, Microsoft OneDrive, SQL, JSON, Rest API, XML, Python, .NET, C#, C++, Java, JavaScript, HTML, CSS, AWS, Google Cloud, Azure, SSO, AI, Machine Learning
2w
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Senior Engineer, Design Evaluation Engineering
Colorado Springs or Centennial or Chapel Hills
$105k-$157k/yr HybridFull Time
Analog Devices
Analog DevicesNASDAQ: ADI: Designs and manufactures semiconductors for signal processing and power management.
3+ YOEBachelor's in electrical engineering, 3+ years design evaluation experience, expertise with high-speed analog/mixed‑signal characterization, PCB design tools, lab test equipment, and programming for test automation.
High Speed Oscilloscope, Network Analyzers, Spectrum Analyzers, Vector Network Analyzers, Signal Generators, BERTs, Source Measurement Units, temperature chambers, MIPI DPHY, CPHY, TDR, C#, C++, Visual Studio, Python, OrCAD, Cadence Allegro, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, Microsoft Outlook
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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Software Engineer
Denver or Westminster
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years related experience, active TS/SCI clearance, strong Python proficiency, experience with test automation and hardware integration, software development best practices, and ability to work independently and with cross-functional teams.
Python, Java, C#, TypeScript, C++, pytest, unittest, Robot Framework, CI/CD, USB, Serial, Ethernet, oscilloscope, DAQ
4d
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Specialist Software Engineering
Denver or Cedar Rapids or Philadelphia
$120k-$165k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
6+ YOEBachelor's or equivalent; 6+ years Core Java or .NET; 5+ years database and integration experience; 3+ years cloud development; CI/CD, microservices, frontend familiarity; strong communication and analytical skills.
.NET, C#, JAVA, Spring Framework, J2EE, MS Cosmos DB, Apache Cassandra, Amazon DynamoDB, AWS, Azure, EC2, ECS, S3, Kinesis, VMs, Blob, Data Factory, SQL Data warehouse, ARM Templates, Event Hubs, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, Nunit, Ajax, MS HPC, Sagemaker, Spark, API Gateways, Apache Camel, Swagger API, Zookeeper, Kafka, Spring Boot, Spring MVC, Entity Framework, IIS, Odata, .NET API 2, .NET API Core, AutoMapper, Docker, Containers, OpenShift, Kubernetes, Angular, React, Vue.js, ASP.NET MVC, HTTP, HTML, JS, CSS
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Entry Level Automation Engineer (Colorado School of Mines 2026)
Golden or United States
$88k-$98k/yr HybridFull Time
DMC
DMC: Provides engineering and software services for industrial automation
0+ YOEBachelor's in Mechanical, Electrical, Computer Engineering or related with minimum 3.4 GPA; interest and ability to program in text-based/object-oriented languages; strong written/verbal communication; quick learner.
LabVIEW, TestStand, C#, Python
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BIM Integration Developer - Kiewit Infrastructure Engineers
Omaha or Lone Tree
$92k-$111k/yr OnsiteFull Time
Kiewit
Kiewit: Provides large-scale construction and engineering services for diverse infrastructure.
3+ YOE3+ years software development; bachelor’s in CS/SE/Engineering or equivalent; strong C#/.NET, REST API, React, SQL, Git, CI/CD; familiarity with BIM, ETL, and cloud platforms.
C#, .NET, RESTful APIs, React, JavaScript, TypeScript, SQL, Git, CI/CD, MongoDB, elasticsearch, IFC, Microsoft Azure, Copilot
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
6d
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Staff Software Engineer
Denver, Colorado, United States
$175k-$180k/yr RemoteFull Time
LINQ
LINQ: Provides cloud software for K-12 school administration and nutrition.
10+ YOE10+ years software development experience, expertise in .NET and web technologies, cloud-native development, microservices, CI/CD, strong leadership and mentoring skills, Bachelor’s degree or equivalent.
Node, .NET (C#), PostgreSQL, DynamoDB, Angular, Microsoft Azure DevOps, AWS, Microsoft Azure DevOps Pipelines, Git
5d
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Senior Software Engineer, Verifications
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
bet365
bet365: Provides global online sports betting and digital casino games.
Proven developer with experience in backend and full-stack systems, leadership/mentoring, cloud platforms, and strong problem-solving; knowledge of React, Typescript, Golang, Kafka, SQL and .Net technologies.
Golang, React, Kafka, SQL, .Net, Typescript, C#, MSSQL, WPF, Cloud Platforms
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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
2w
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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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OneStream Senior Developer
Chicago or Milwaukee or Dallas or Columbus or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Overland Park or Los Angeles or Charlotte or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Nashville or Detroit or San Diego
$63k-$183k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOE3+ years OneStream development, 2+ years VB.net or C# and Data Management, 3+ years reporting and leading technical workstreams; OneStream OCA (or willing to certify), Bachelor’s degree or equivalent.
OneStream XF, VB.net, C#, SQL, XML, Sensible AI, CPM Express, Oracle, Hyperion, Cognos TM1, SAP, Anaplan, Adaptive, Host Analytics
1w
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Systems Engineer I – Manufacturing Execution
Westminster, Colorado, United States
$65k-$110k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
BS in engineering, ability to develop and support manufacturing execution tools, troubleshoot complex systems, and work with cross-functional teams; must be eligible for Secret clearance.
C#, .NET, Blazor, CSS, SQL, Microsoft SQL, SQLite, Denodo, LINQ, Git, Azure DevOps, CI/CD, Python
3w
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Systems Engineer II – Manufacturing Execution
Westminster, Colorado, United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in engineering (or related) plus 2+ years experience; manufacturing execution system development, troubleshooting, requirements gathering, data analysis, and strong communication skills. Must be U.S. person and able to obtain/maintain Secret clearance.
C#, .NET, Blazor, CSS, SQL, MS SQL, SQLite, Denodo, LINQ, Git, Azure DevOps, CI/CD, Unit testing, Python, Electronic Medical Records (EMR)
1mo
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Principal Engineer (Hold)
Denver, Colorado, United States
$108k-$168k/yr HybridFull Time
Xe
XeNASDAQ: EEFT: Provides international money transfers and online currency exchange services.
8+ YOE8+ years building production full-stack software; strong frontend (Vue.js/React) and backend (C#/.NET or equivalent) skills; SQL, AWS production and CI/CD experience; system design, payments/regulatory experience; daily use of AI coding tools.
Copilot, Cursor, Claude Code, Vue.js, React, C#, .NET, Java, Kotlin, Go, SQL, AWS, SQS, DynamoDB, S3, ECS, Lambda, CI/CD, Memcached, Redis, Jira, Confluence
2mo
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Senior Engineering Team Lead, Transaction Monitoring
Atlanta or Denver or Cincinnati or Salt Lake City
$128k-$193k/yr OnsiteFull Time
Worldpay
Worldpay: Global payment processing and merchant technology solutions for businesses.
12+ YOE5+ Mgmt12+ years software engineering; 5+ years engineering leadership; strong Node.js, TypeScript, Angular/React, PHP, C#, AWS, Docker/Kubernetes, API Gateway; DevOps, CI/CD, Jira; Agile experience.
Node.js, TypeScript, Angular, React, PHP, C#, AWS, Docker, Kubernetes, API Gateway, SNS, SQS, ActiveMQ, CI/CD, Git, Automation, Jira
3w
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Software Engineer II
Denver, Colorado, United States
$90k-$100k/yr HybridFull Time
Vertafore
VertaforeNYSE: ROP: Provides cloud-based software solutions for the insurance industry.
3+ YOEBachelor's degree,3+ years professional software engineering experience,proficiency in C#/.NET,Python or Java,database and ETL experience,SQL skills,React and Git experience,excellent communication and Agile experience.
C#/.NET, Python, Java, MS SQL, PostgreSQL, SSIS, BIML, SQL Server Management Studio, Visual Studio, IntelliJ, React, Git, Copilot, AWS, REST, ETL