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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Software Engineer - **Company:** Manulife - **Location:** Boston, MA, United States - **Experience:** Expert - **Salary:** $107,450.0 - $199,550.0 - **Contract:** Permanent contract - **Skills:** ASP.NET, .NET Framework, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Software Quality, Code Review, Continuous Integration, Software Design Patterns, Distributed Systems, Entity Framework, Github, Performance Tuning, Scrum Methodology, Secure Coding, Software Construction, TypeScript, Web Application Frameworks, ReactJS, Software Security, Software Troubleshooting, Event Driven Architecture, Containerization, Kubernetes, Information Technology, Front End Software Development, Api Design, Restful APIs, Software Version Control, Devsecops, Docker, Microservices - **Published:** August 8, 2026 - **Apply:** https://www.juju.com/job/00000000gm0srz ## About the Role + 8+ years of experience in full-stack software development in enterprise environments. + Strong hands-on experience with .NET 8, C#, ASP.NET Core, and Entity Framework. + Experience building modern front-end applications using React and TypeScript. + Proven experience designing and developing scalable APIs and distributed systems. + Hands-on experience with GitHub, GitHub Actions, and CI/CD pipelines. + Strong understanding of software engineering best practices (design patterns, secure coding, testing). + Experience with unit and integration testing frameworks. + Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience). Preferred Qualifications + Experience with microservices and API architecture design. + Knowledge of application security and DevSecOps practices. + Experience with Azure cloud services, including AKS (Kubernetes). + Experience with event-driven architectures and messaging systems. + Experience with containerization (Docker). + Exposure to distributed and cloud-native systems. ## Description We are seeking a Senior .NET Full Stack Engineer to build and deliver scalable, enterprise-grade digital solutions that support secure, seamless, and customer-centric experiences. In this role, you will work across the full technology stack-from modern React front ends to .NET 8 back-end services-contributing to high-impact initiatives. You will help shape architecture decisions, drive engineering best practices, and support continuous improvement through innovation and automation. This is an opportunity to collaborate with cross-functional teams, influence technical direction, and mentor engineers while working in a fast-paced, agile environment. Position Responsibilities + Design, develop, and maintain scalable web applications using React (front end) and .NET 8 (back end). + Build and enhance RESTful APIs and microservices aligned with enterprise standards for security, resiliency, and performance. + Leverage GitHub and GitHub Actions for source control, code quality, and CI/CD automation. + Collaborate with product, design, and QA teams to deliver end-to-end features and business outcomes. + Participate in code reviews, architecture discussions, and sprint planning to ensure engineering excellence. + Troubleshoot complex technical issues and optimize system performance, reliability, and scalability. + Mentor junior engineers and contribute to a culture of continuous learning and knowledge sharing. + Stay current with emerging technologies and recommend improvements to frameworks, tools, and practices. ## Related Videos - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Developing ASP.NET Core Microservices with Dapr: A practical guide](https://www.wearedevelopers.com/videos/1528-developing-asp-net-core-microservices-with-dapr-a-practical-guide) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) ## Related Articles - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)