Senior .NET full-stack developer responsible for custom application development, API integrations, database optimization, deployments, troubleshooting, performance, security, and production support using .NET/C#, ASP.NET Core, SQL, modern frontend frameworks, cloud, and CI/CD.
This is a remote position.
We are looking for a Senior .NET Full-Stack Developer / English level B2+, with 5–10 years of experience developing, maintaining, and supporting business-critical applications.
The role requires strong experience with .NET 8+, C#, ASP.NET Core, MVC, RESTful APIs, SQL Server, IIS, JavaScript, TypeScript, and at least one modern frontend framework: React, Angular, or Vue.
The candidate will be responsible for custom application development, API integrations, database optimization, deployments, troubleshooting, performance, security, and production support.
Experience with Git, CI/CD pipelines, AWS or Azure, SaaS environments, and enterprise collaboration tools is required.
Role overview
A skilled team member for custom development of applications primarily using .NET / C#, ASP.NET, SQL, and Web technologies. The ideal candidate will ensure high availability, performance, and security.
A skilled team member for custom development of applications primarily using .NET / C#, ASP.NET, SQL, and Web technologies. The ideal candidate will ensure high availability, performance, and security.
Requirements
Technical Skills
- In-depth knowledge of the .NET Framework and .NET Core/.NET 8+
- Strong proficiency in C# programming
- Extensive experience with ASP.NET Core
- Solid understanding of MVC (Model-View-Controller) Architecture
- Experience in designing and developing RESTful APIs and Web APIs
- Strong experience with Microsoft SQL Server
- In-depth knowledge of SQL and database query optimization
- Experience with IIS (Internet Information Services) Server administration and deployment
- Proficient in HTML5, CSS3, JavaScript, and TypeScript
- Knowledge of cloud hosting platforms such as AWS and Microsoft Azure
- Experience with Web Services and API integrations
- Strong database skills, including SQL Server and PostgreSQL
Frontend Technologies & Frameworks
- Experience with modern frontend frameworks and libraries:
- Vue.js
- React.js
- Angular
- Glide
Reporting Tools
- Experience in developing and maintaining reports using:
- SQL Server Reporting Services (SSRS)
- Crystal Reports
DevOps & Version Control
- Experience with CI/CD pipelines and DevOps practices
- Proficient in source control and collaboration tools:
- Git
- Bitbucket
- Azure DevOps
Project Management & Collaboration Tools
- Experience working with:
- Jira
- ServiceNow
- SaaS & Enterprise Applications
- Experience working with Software-as-a-Service (SaaS) applications
- Strong understanding of application deployment, maintenance, and support in cloud-based environments
Similar Jobs
Cloud • Information Technology • Security • Software • Cybersecurity
Lead and develop Zscaler’s Southeast SLED sales team, coaching representatives and improving sales excellence. Establish territory-planning, assessment, and resource-allocation processes; build high-performing sales teams; attract top talent; scale organizational processes; and position SaaS and enterprise security solutions. The role requires SLED leadership experience, sales-team building expertise, and foundational AI/ML knowledge.
Top Skills:
Ai/MlCloud SecuritySaaSZero Trust
HR Tech • Productivity • Social Impact • Software
Leads healthcare partnership and business development strategy, generating qualified sales pipeline through operator relationships, associations, vendors, investors, channel partners, referrals, integrations, and co-marketing. Negotiates deals, manages partner relationships, represents the company at industry events, gathers market intelligence, and collaborates cross-functionally with Sales, Marketing, Product, Customer Success, Operations, and Finance.
Top Skills:
Background Screening SoftwareElectronic Health Records (Ehr)Payroll SoftwarePractice Management Software
Consumer Web • Healthtech • Professional Services • Social Impact • Software
Own the strategy and roadmap for patient-provider search, retrieval, ranking, and marketplace matching. Lead experimentation, objective functions, evaluation, and ML platform foundations while partnering with ML engineers, data scientists, design, clinical teams, and executives. Improve successful, lasting care matches rather than optimizing only clicks or bookings. Balance patient access, provider growth, clinical quality, and payer priorities, while setting the standard for technically grounded product management.
Top Skills:
EmbeddingsLarge Language Models (Llms)Machine LearningRetrieval And Ranking SystemsSemantic Search
What you need to know about the Colorado Tech Scene
With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.
Key Facts About Colorado Tech
- Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
- Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
- Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
- Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute
