Top .NET Developer Jobs

Lead technical design and deliver secure, scalable C#/.NET software for trading systems. Drive architecture, coding, code review, automation, resiliency, CI/CD, and adoption of AI-assisted engineering practices while mentoring teams and engaging vendors.

Lead development and support of enterprise insurance applications on the Microsoft .NET stack. Design, build, and maintain secure, scalable systems and integrations, troubleshoot production issues, modernize architecture and cloud adoption, and improve CI/CD and automated testing while collaborating with product, project, and business stakeholders.

Hands-on senior software engineer responsible for designing, developing, and modernizing enterprise .NET microservices and RESTful APIs. Leads technical decisions, mentors engineers, builds containerized services (Docker/Kubernetes), integrates event streaming (Kafka), supports CI/CD pipelines, ensures security, performance, and operational readiness, and collaborates with product, QA, and platform teams.

The Senior Software Engineer develops and maintains Sports Trading applications using .NET and SQL Server, enhancing existing functions and providing technical guidance.

Design, build, and operate .NET backend services and APIs using C#/ASP.NET Core and EF Core/SQL. Author and iterate specification artifacts (OpenSpec), leverage AI coding assistants, implement automated tests, ship via CI/CD to the cloud, review peers' specs/code, mentor engineers, and collaborate with product, QA, and cross-functional teams to deliver production services.

Designs, develops, modernizes, and maintains enterprise .NET applications and integrations. Provides technical leadership, mentors staff, leads deployments and migrations, ensures security and performance, supports production, and collaborates with stakeholders across development, security, and infrastructure teams.

Develop, test, document, and maintain .NET applications; perform system analysis, design data models, automate jobs, monitor production performance, troubleshoot issues, and support end users.

Join a small agile team to develop, maintain, and troubleshoot .NET-based web and internal applications. Responsibilities include debugging, ETL and data maintenance, ensuring production stability, documenting design and code, and designing data models while collaborating with technical and business stakeholders.

As a .NET Software Engineer, you will develop full-stack solutions, leverage Agile methodologies, and ensure software aligns with architecture and client needs.

Develop, maintain, and test .NET/ASP.NET Core web applications and APIs. Work in agile sprints, write unit tests, peer-review code, document designs, maintain source control in Azure DevOps/GitHub, and support long-lived production systems. Collaborate with leads and test teams and take on increasing responsibilities.

Design, build, modernize, and support Microsoft Azure-based applications using .NET Core/.NET 8 and C#. Integrate Azure services (App Services, Functions, API Management, Service Bus, Azure SQL), implement AI solutions with Azure OpenAI/AI Foundry, modernize legacy .NET Framework/Web Forms apps, apply CI/CD and containerization, and collaborate with county staff for knowledge transfer and solution assessments.

Develop, enhance, and support internal .NET web applications. Gather requirements, write/test/debug code, participate in code reviews and testing, and deliver features on schedule while working closely with users.

Develop, test, deploy, and maintain .NET-centric web applications using C#, Angular 17+, and Azure. Build and consume REST APIs, work with SQL Server, source control, CI/CD pipelines, and collaborate on code reviews, debugging, performance optimization, and third-party integrations.

Develop and maintain scalable software solutions, mentor developers, and integrate AI tools. Collaborate on technical solutions aligned with business goals.

The Full Stack .NET Developer will enhance Coretek's Insights product by developing features, improving user experience, and collaborating with stakeholders while applying Agile methodologies and CI/CD practices.

Design, develop, and maintain enterprise full-stack .NET applications and ESRI ArcGIS Pro solutions. Build custom ArcGIS tools, integrate GIS with enterprise systems via REST APIs, design geospatial databases, automate workflows with Python/ArcPy/Arcade, and collaborate with stakeholders to deliver scalable GIS solutions.

Develop, modify, install, test, and maintain applications and systems. Monitor performance, identify and resolve system issues, design and deploy application enhancements, create documentation and reports, and support compliance, risk management, and process improvements while working with some independence and collaborating with technology teams.

Lead .NET Core microservices architecture and backend quality, direct an offshore backend pod, design Azure SQL cache and REST APIs, implement Service Bus integrations, own CI/CD security gating, run demos, triage defects, and conduct client handoffs.

Client-facing senior software developer responsible for building and supporting the Global Prime Services Swaps backoffice platform. Work includes implementing trade processing, clearing models, order management and real-time P&L systems, day-to-day support (≈30%) and development (≈70%), and direct collaboration with trading desks, operations, middle office and internal tech teams.

Design, build and maintain .NET applications for the airline domain. Participate in requirements analysis, architecture and design, write scalable C#/.NET code, implement REST APIs and microservices, test and deploy systems, refactor and debug, document throughout the SDLC, provide application expertise and technical support, and apply cloud-native and DevOps practices.

The Software Engineer Senior Consultant II develops full-stack applications, enhances products using Agile methodologies, and collaborates with team members on architecture, design, and incident management while mentoring junior staff.

Lead technical direction for a major product domain, reduce architectural debt, mentor engineers, standardize AI-agent workflows, and design scalable backend solutions integrating LLMs and cloud services. Drive cross-team RFCs, cookbook standards, and adopt agentic AI tooling while balancing security, quality, and delivery.

Design, build, and maintain complex C#/.NET applications (WPF/.NET Core); architect scalable solutions; mentor developers; lead code reviews; troubleshoot, optimize databases and apps; drive testing, SDLC and SAFe practices; reduce technical debt and document solutions.

Support and maintain production .NET applications, triage tickets, execute core support activities, lead cloud migration to AWS, build архитектural diagrams, implement CI/CD with Harness, containerize with Docker, and mentor/offshore collaboration to improve reliability and automation.

Join the IT team to develop, maintain, and enhance Windows, web, web-service, and mobile payroll applications using the Microsoft .NET stack. Duties include coding (VB.NET/C#/ASP.NET), debugging, testing, collaborating with analysts, QA and operations, following Agile practices, and learning new technologies.