Top Senior .NET Developer Jobs

Lead design, development, testing, debugging, integration, and documentation of Microsoft-stack applications. Mentor team members, manage vendor integrations, lead cross-functional projects, and provide technical leadership on architecture, roadmaps, and best practices.

Build and maintain cloud-native liquidity management platform features using Azure and .NET. Implement CI/CD, observability, and rigorous testing. Mentor engineers, drive technical design, participate in on-call rotation, and improve team practices to deliver scalable, resilient treasury solutions.

Lead design and delivery of scalable, reliable software using C#/.NET, SQL Server, React, and Azure. Own complex initiatives from design through operations, mentor engineers, improve CI/CD, observability, and apply DDD/TDD/VSA practices. Use modern APIs, microservices or modular monoliths, and AI-assisted tooling to improve delivery.

Lead back-end development on a small team, building cloud-based .NET services using Entity Framework and Azure with MS SQL. Work in short sprints, iterate rapidly, collaborate across roles, and maintain high code quality for mission-critical situational-intelligence software.

Develop, enhance, and maintain backend web applications and services using C#/.NET. Implement features with ASP.NET, Entity Framework, and SQL Server; write unit and integration tests; perform troubleshooting, code reviews, vulnerability remediation, and O&M tasks while collaborating with senior engineers and cross-functional teams.

Seeking a Senior Full Stack .NET Developer to work on a social good project, with strong skills in C#, AngularJS, design, and UX. Requires 5+ years of experience.

As a Senior Software Product Engineer, you will enhance compliance solutions through advanced software development, performance optimization, and team collaboration to ensure high-quality outcomes and user experience.

Design and develop features for software projects, lead and mentor developers, solve complex problems, and stay updated with new technologies in a collaborative environment.

Senior Full Stack .NET Developer to analyze, document, and remediate financial and operational web applications during a statewide financial platform migration. Update ASP.NET/Classic ASP apps, create database views and stored procedures, align apps with new chart of accounts, work with DBAs and business users, use Azure DevOps, participate in scrum, and perform knowledge transfer to technical staff.

The Senior .NET Developer designs, develops, and maintains scalable applications while providing technical leadership and mentoring junior developers.

The Staff Engineer will leverage 5+ years of experience in C#, JavaScript, and frameworks to lead and innovate solutions in a collaborative environment.

Design, develop, test, document and maintain web applications. Analyze user requests, estimate effort, implement changes, provide technical support, collaborate with end users on requirements, and mentor team members.

Provide technical leadership and application development for Microsoft-centric solutions: gather requirements, design architecture, mentor teams, manage projects, develop and test .NET/SQL applications, and implement integrations (SharePoint, BizTalk, Azure, Dynamics CRM, web services). Client-facing role with up to 25% travel.

Consulting role to design and build full lifecycle .NET applications for clients. Work directly with business users on ASP.NET/MVC projects using SQL Server, Oracle, SharePoint and related technologies. Opportunities for project leadership and client-facing responsibilities; some travel may be required.

Full Stack .NET Developer building and maintaining Angular single-page applications and Azure assets, developing RESTful C# APIs, implementing security and sessioning, writing complex T-SQL and stored procedures, and supporting/troubleshooting production applications while collaborating with analysts, designers, and product teams.

Senior .NET developer responsible for designing, developing, testing, and sustaining secure, scalable enterprise software for DoD logistics. Lead development efforts, integrate systems and databases, support Agile/DevSecOps practices, mentor junior developers, and ensure compliance with government security requirements throughout the software lifecycle.

Lead design and development of enterprise .NET full-stack applications supporting provider compensation, credentialing, scheduling, and reporting. Own SDLC activities, build APIs and integrations, optimize databases and pipelines, apply Agentic AI and automation, troubleshoot production issues, create technical documentation, and mentor junior developers.

Senior full-stack .NET developer responsible for requirements analysis, design, coding, testing, and production release. Build secure, modular front-end (JS/HTML/CSS), middle-tier services (C#, Node.js), and persistence layers (SQL/NoSQL). Implement Web APIs, follow SOLID/OOP and SOA principles, perform code reviews, use automated performance tools, and apply web security frameworks (JWT/SAML/OAuth). Collaborate with teams, mentor as technical lead, and support cloud migration and large-scale SaaS deployments.

Build and deliver the ORCA compliance system using ASP.NET/C#, AngularJS and Bootstrap. Design and implement RESTful Web APIs, distributed web/cloud services, and data storage with SQL Server and MongoDB. Work with AWS and Pivotal products to deploy scalable, production-ready solutions and collaborate with team members throughout project delivery.

Senior .NET Developer to build the ORCA compliance system. Develop ASP.NET/C# web applications, AngularJS front-ends, RESTful Web APIs, cloud services (AWS/Pivotal), MongoDB and SQL Server-backed distributed systems.

Senior .NET developer to design and deliver a compliance operational system (ORCA). Build distributed, RESTful web/cloud services using ASP.NET/C#, Web APIs, MongoDB, SQL Server, AngularJS, and AWS/Pivotal. Collaborate across teams to implement scalable solutions and production-ready cloud services.

Senior .NET Developer to build the ORCA compliance system, design and deliver distributed, RESTful web/cloud services and Web APIs using ASP.NET/C#, AngularJS, MongoDB, SQL Server and AWS/Pivotal technologies.

Senior full‑stack .NET engineer responsible for design through production of secure, scalable web applications. Work includes C#/.NET backend, WPF/WCF components, REST APIs, frontend JS/HTML/CSS, cloud migration, code reviews, testing, and performance/security analysis. Expected to lead architecture, collaborate with teams, and apply SOLID, OOP, and SOA principles.

Senior .NET Developer to build the ORCA compliance system, designing and delivering distributed, RESTful web/cloud services using ASP.NET, C#, Web APIs, MongoDB, SQL Server, AWS and Pivotal. Front-end work includes HTML/JavaScript, AngularJS and Bootstrap. Focus on full-stack delivery, integration and scalable cloud services for compliance applications.

Senior full-stack .NET developer responsible for designing, implementing, testing, and releasing secure, scalable web applications. Work spans front-end (JS/HTML/CSS), middle-tier services (C#, Node.js), and persistence (SQL/NoSQL). Participate in requirement analysis, code reviews, architecture, and performance/security practices, and collaborate with cross-functional teams throughout the software lifecycle.