> Markdown version of [/jobs/ext/4583675-principal-full-stack-engineer-net-c](https://www.wearedevelopers.com/jobs/ext/4583675-principal-full-stack-engineer-net-c). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Full Stack Engineer - .NET/C# - **Company:** Capgemini - **Location:** Burlington, MA, United States - **Experience:** Expert - **Salary:** $82,082 - $193,440 - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, C Sharp (Programming Language), Cloud Computing, Cloud Engineering, Code Review, Cyber Security, Continuous Integration, Data Systems, Relational Databases, Software Debugging, DevOps, Disaster Recovery, Distributed Systems, Amazon DynamoDB, Fault Tolerance, Identity and Access Management, Internet Security, Microsoft Software, Message Queuing Telemetry Transport (MQTT), NoSQL, OAuth, Performance Tuning, Software Architecture, Openid Connect, Remote Infrastructure Management, Security Assertion Markup Language (SAML), Software Engineering, Spring Cloud, ReactJS, Backend, Event Driven Architecture, AngularJS, Information Technology, Front End Software Development, Restful APIs, Aws Iot, Data Pipelines, Microservices - **Published:** November 5, 2026 - **Apply:** https://www.careerbuilder.com/job-details/principal-full-stack-engineer-net-c-burlington-ma--fe745de7-b363-4626-b517-a02365787a6b ## About the Role Software Engineering, Microsoft .NET, Microsoft C# (C Sharp), Automotive Automation, Research & Development (R&D), Internet Security, Software Engineering, Regulatory Compliance, Technical Leadership, Cloud Computing, * 8+ years' experience designing and developing enterprise-scale cloud-native applications and distributed systems. * Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related discipline required. * Strong expertise with .NET/C#, RESTful APIs and microservices architecture * Deep knowledge of AWS services, including IoT, compute, networking, security, data, and monitoring capabilities. * Experience building IoT/IoMT platforms, device connectivity solutions, and telemetry processing systems. * Proven ability to design scalable, highly available, and secure cloud architectures. * Expertise with relational and NoSQL databases, including Amazon DynamoDB. * Experience implementing identity and access management solutions using OAuth 2.0, OpenID Connect, and SAML. Preferred experience * Experience developing software for medical devices or healthcare technology. * Familiarity with FDA regulations, cybersecurity guidance, and quality system requirements. * Experience with event-driven architectures, large-scale cloud platforms, and AI-enabled solutions. * Familiarity with modern front-end frameworks such as React or Angular. * Understanding of DevOps practices, CI/CD automation, observability, and infrastructure governance * AWS certifications and/or advanced cloud architecture experience. ## Description We are seeking a Principal Full-Stack Engineer to lead the design, development, and delivery of a cloud-based platform that enables secure monitoring, connectivity, and remote management of medical devices. This role serves as a technical leader across software engineering teams, driving architecture, innovation, and engineering excellence while ensuring compliance with regulatory and cybersecurity requirements. The ideal candidate combines deep expertise in cloud-native application development, IoT/IoMT technologies, and modern software architecture with a hands-on approach to coding, mentoring, and cross-functional collaboration., * Lead the end-to-end architecture, design, development, and implementation of a cloud-based medical device monitoring and control platform. * Design and develop scalable, highly available microservices, APIs, and backend services supporting medical device connectivity and remote management. * Architect and implement IoT/IoMT solutions utilizing AWS IoT Core, MQTT, secure device communications, and telemetry processing. * Develop high-performance data solutions leveraging Amazon DynamoDB, relational databases, and event-driven architectures. * Build secure RESTful APIs, event-processing pipelines, and distributed systems capable of processing high volumes of device-generated data. * Partner with Product Management, Quality, Security, Regulatory, and Engineering teams to deliver compliant, secure, and scalable solutions. * Provide hands-on technical leadership through coding, debugging, performance optimization, code reviews, and mentoring. * Lead architectural decision-making focused on scalability, resiliency, fault tolerance, observability, and disaster recovery. * Conduct system risk assessments, threat modeling, and cybersecurity reviews for connected medical device solutions. * Translate business requirements into technical roadmaps and scalable technology solutions.