Top .NET Developer Jobs

Develop and maintain scalable .NET applications for Optum Bank’s transaction-heavy banking platform. Responsibilities include designing microservices, deploying applications, participating in Scrum ceremonies, leading complex projects, mentoring developers, optimizing SQL Server solutions, supporting CI/CD, and building responsible AI-powered solutions. The role also involves translating complex concepts and influencing senior stakeholders.

Lead development of enterprise C#/.NET WPF desktop applications, design reusable components and APIs, drive modernization and technical design, build/maintain CI/CD pipelines, enforce engineering/security standards, collaborate with product/architecture/DevOps teams, and mentor junior engineers to ensure scalable, secure, reliable delivery.

Develops secure, maintainable C#/.NET software and cloud-native AWS services for healthcare payment workflows. Responsibilities include system design, application development, testing, troubleshooting, SDLC execution, observability, resiliency, scalability, and operational stability. The engineer also integrates AI/ML and GenAI capabilities for automation, fraud detection, and data-driven decisions, while validating AI-assisted coding outputs through testing, peer review, and secure engineering practices.

Develop and maintain middleware platforms for the myQ residential and commercial products. Translate product requirements into technical designs, lead Agile development and offshore teams, manage codebase changes and technical debt, ensure coding standards and security compliance, and collaborate with product, architecture, infrastructure, database, QA, and firmware teams. Mentor engineers, participate in technical reviews, troubleshoot issues, document solutions, and support project estimation and progress reporting.

Develop and maintain full stack web applications using .NET. Design and implement microservices on Azure, and manage APIs using Azure API Management. Collaborate on architecture and deliver production-ready services for a San Ramon, CA based full-time role requiring significant hands-on experience.

Responsibilities include developing scalable server-side features, optimizing performance, and collaborating with teams to enhance online services for games.

Develop scalable server-side features, online services, and collaborate with teams. Requires C#, .NET expertise and experience in distributed systems.

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.

Designs, develops, tests, and troubleshoots secure, stable .NET applications. Writes high-quality C# code, works across the SDLC, uses CI/CD and AI-assisted dev tools, and collaborates within agile teams to ensure operational stability.

Design, build, and maintain cloud-native .NET microservices on Azure/AKS. Implement Istio service mesh, containerization (Docker), and observability. Troubleshoot distributed systems, optimize performance, and support enterprise Treasury applications in an Agile/Scrum environment.

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

Develop enterprise software solutions by translating business requirements into technical designs, specifications, and code. Collaborate with architects, business analysts, and technical teams; follow technology and security standards; provide post-implementation support, application monitoring, and debugging; and evaluate emerging technologies. The role requires .NET, C#, IIS, REST, SQL Server, software lifecycle, integration, infrastructure, communication, and analytical skills.

Develop and maintain scalable enterprise systems, including loan origination, servicing, and customer-facing applications. Design APIs, middleware, integrations, and secure backend services; participate in code reviews, architecture discussions, automation, CI, legacy modernization, troubleshooting, and performance tuning. Collaborate across teams in an Agile and DevOps environment while mentoring peers and promoting modern development practices.

Lead the architecture and delivery of scalable full-stack web applications using React and .NET/C#. Design cloud solutions on AWS, establish frontend standards, conduct code reviews, mentor developers, evaluate technologies, and collaborate with product, UX, QA, and DevOps teams. Own the software development lifecycle while promoting automated testing, CI/CD, cloud-ready architecture, and effective AI tool adoption.

Develops, tests, debugs, maintains, and enhances complex financial software applications using .NET technologies. Translates technical and functional specifications into technical designs, resolves architectural issues involving scalability, performance, reliability, usability, and security, and contributes to development standards and strategic technical planning. The role is performed onsite Monday through Friday in Lincoln, Nebraska.

Build and maintain full-stack applications using React, .NET, C#, and AWS serverless services. Translate Salesforce workflows into modern web interfaces and support migration to a custom technology stack, including data modeling, integrations, and cutover planning. Develop APIs, write tested code, participate in architecture discussions and code reviews, and communicate technical progress and trade-offs with technical and business stakeholders.

Build and architect scalable full-stack applications across cloud and on-premises environments. Implement CI/CD, secure coding practices, performance improvements, testing, debugging, and observability. Reduce technical debt, maintain existing applications, document workflows, and collaborate with DevOps, UX, and product teams. The role requires strong AWS and full-stack development experience plus solid relational database knowledge.

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Develop, test, deploy, troubleshoot, and support web applications using .NET Core, C#, MVC, and JavaScript. Collaborate with developers, testers, stakeholders, and Azure DevOps users; write clean, maintainable, documented code; and resolve technical issues. The role is initially onsite before transitioning to a hybrid schedule and requires local candidates available for prompt interviews and start dates.

Leads hands-on software implementation across risk, AI ingestion, compliance, and client-facing platforms. Designs and ships C#/.NET services, REST APIs, React and TypeScript applications, and contributes to Python and LangGraph agentic systems. Establishes engineering standards for code reviews, testing, CI/CD, Azure and Kubernetes deployments, and observability. Mentors engineers, participates in architecture and ADR reviews, and guides integrations with Microsoft Fabric while working across Azure and on-premises environments.

Lead the maintenance, modernization, and evolution of mission-critical enterprise payment applications. Design, develop, test, and support backend services, REST APIs, microservices, and distributed systems using C# and .NET. Contribute to architecture, CI/CD, observability, security, scalability, and production reliability. Collaborate with product, engineering, operations, and business stakeholders in an Agile environment while applying clean code, TDD, automated testing, and modern DevOps practices.

Design and develop ASP.NET applications using C#, VB.NET, MVC, HTML, CSS, AJAX, and JavaScript. Work with SQL Server, create complex queries and reports, develop reporting solutions using SSRS and Crystal Reports, and build VBA solutions for Microsoft Office applications. Support data conversion and migration activities while working independently and following direction.