Senior Full Stack Software Engineer

Manulife • Boston, MA

17d • Hybrid

About The Position

Manulife is 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.

Requirements

• 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).

Nice To Haves

• 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.

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.

Benefits

• health, dental, mental health, vision, short- and long-term disability, life and AD&D insurance coverage, adoption/surrogacy and wellness benefits, and employee/family assistance plans.
• various retirement savings plans (including pension/401(k) savings plans and a global share ownership plan with employer matching contributions) and financial education and counseling resources.
• up to 11 paid holidays, 3 personal days, 150 hours of vacation, and 40 hours of sick time (or more where required by law) each year
• full range of statutory leaves of absence.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior