Top Senior .NET Developer Jobs in Hartford, CT

Design, develop, configure, test, debug, troubleshoot, document, monitor, and implement software systems. Analyze and resolve complex defects and incidents, define technical requirements, coordinate resources, lead initiatives, mentor junior engineers, provide technical guidance, and work independently on well-scoped and ambiguous problems. The role requires delivering complete solutions incrementally while contributing to software design strategies and collaborating with business and technical teams.

Design, develop, test, modernize, and support enterprise applications using C#, .NET, React, RESTful APIs, and SQL Server. Translate requirements into technical solutions, build automated tests, troubleshoot complex issues, conduct code reviews, address security findings, and ensure accessibility and performance. Collaborate in Agile teams, contribute to architecture and modernization efforts, document solutions, and mentor developers while remaining a hands-on technical contributor.

Lead the design, architecture, development, deployment, and optimization of scalable .NET backend systems processing millions of daily healthcare transactions. Mentor developers, guide technical decisions, improve CI/CD pipelines, implement secure APIs, and collaborate with product stakeholders. The role requires expertise in .NET, C#, ASP.NET Core, cloud-native AWS services, Kubernetes, microservices, distributed systems, testing, observability, and secure software development.

Lead end-to-end development of secure, scalable web applications and data solutions supporting clinical trial operations. Design frontend and backend components using C#/.NET, Angular, AWS, and relational or non-relational databases. Guide architecture, testing, deployment, CI/CD, security, cloud optimization, and regulatory compliance. Mentor developers, oversee technical delivery, troubleshoot complex issues, and lead migration and modernization of on-premises applications to AWS.

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.

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 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.

Develop and architect scalable cloud-based software for an IoT asset-tracking platform. Responsibilities include translating business requirements into technical designs, leading complex feature development, mentoring engineers, conducting code reviews, promoting engineering best practices, evaluating distributed-system trade-offs, and collaborating with product, operations, and customer success teams.

Lead hands-on architecture and development for a cloud-based IoT asset-tracking platform. Design scalable distributed systems, APIs, data models, and platform components; resolve complex performance and reliability challenges; and champion testing, CI/CD, observability, and security practices. Lead an agile engineering team, manage delivery, mentor and hire engineers, collaborate with Product and Operations, and drive adoption of AI development tools and AI/ML capabilities.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

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

Design, develop, and implement web applications using the Microsoft .NET stack and front-end frameworks. Build and consume web services (WSDL/SOAP/WCF), work with SQL Server and MongoDB, and participate in all SDLC phases including architecture, requirements, development, debugging, and testing.

Design, develop, and implement web applications using Microsoft .NET, AngularJS, Node.js and MongoDB. Build and consume web services (WSDL/SOAP/REST), XML/XSLT and WCF. Participate in all SDLC phases including architecture, development, testing, debugging, documentation and maintenance.

Design, develop, and maintain web applications using .NET, AngularJS, NodeJS and MongoDB. Build and consume WSDL/SOAP/WCF web services, work with XML/XSLT, participate in all SDLC phases including architecture, development, testing, debugging, documentation, and maintenance.

Develop and maintain web applications and services using Microsoft .NET stack and JavaScript frameworks. Build solutions with AngularJS, NodeJS, MongoDB; design and implement WCF/SOAP web services, XML/XSLT; participate across SDLC from architecture through maintenance.

Design, develop, and implement web applications using the Microsoft .NET stack and AngularJS. Build solutions with NodeJS and MongoDB, create and consume SOAP/WSDL/WCF web services, work across all SDLC phases including architecture, development, testing, and maintenance, and produce documentation.

Design, develop, and maintain web applications using .NET (C#/ASP.NET) and front/end/back-end technologies (AngularJS, Node.js, MongoDB). Build and consume web services (WSDL/SOAP/WCF), work across full SDLC, collaborate in teams, and apply insurance domain knowledge where applicable. Agile experience preferred.

Hands-on lead developer/technical architect responsible for coding (.NET Core/.NET 8+), designing Azure-first architectures, building microservices and APIs, implementing Azure PaaS services and monitoring, performing code reviews and mentoring, troubleshooting production issues, and coordinating delivery with onshore/offshore teams.

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.

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.

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