Top .NET Developer Jobs in Hartford, CT

Lead .NET Full Stack engineer responsible for architecting systems, driving technical strategy, leading multi-developer projects, mentoring engineers, improving processes, ensuring high-quality deliveries, and communicating with stakeholders. Must support emergency restoration work and travel regionally between MA/CT/NH.

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.

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 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.

Lead backend development on the scheduling platform modernization, contribute across products, write APIs, and drive AI-accelerated software development workflows.

Lead backend development on the scheduling platform modernization. Contribute across Python and .NET ecosystems, write APIs, review code, and support AI-accelerated development workflows while collaborating in a remote team environment.

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.

As a Senior Software Engineer at PerfectServe, you'll design, build, and maintain high-quality code for healthcare communication systems, mentoring junior engineers and collaborating across teams to improve patient care and clinical workflows.

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.

Expert-level full‑stack .NET engineer who designs, develops, tests, and supports secure, scalable enterprise applications. Leads large projects, authors technical specs, mentors engineers, enforces SDLC and security/audit requirements, participates in Agile/Scrum, and drives technical strategy and innovation. Availability for occasional travel and on-call support is required.

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.

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 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.

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.

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.

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.

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.

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

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, develop, implement and support web applications using .NET Core. Collaborate with internal bank teams and external vendors, troubleshoot production issues, and apply strong interpersonal, leadership, and problem-solving skills.

Design, develop, and maintain scalable ASP.NET/C# APIs and microservices and front-end interfaces (Vue.js, AngularJS) for retail omni-channel and POS platforms. Contribute to architecture, write production-quality code, troubleshoot issues, participate in code reviews, and collaborate with product, design, and QA to deliver features with minimal onboarding.

Designs, codes, tests, and documents .NET applications; follows SDLC and Agile/Scrum practices; supports Tier 3 incidents; works on system integration and CI/CD (Jenkins, GitHub); collaborates with product owners and vendors; participates in production releases and mentors junior developers.