Jobs and Careers

Senior Full Stack Software Engineer

United StatesRemotefull_timeVerifiedPosted 5 Aug 2026

💰 $199,550/yr($107,450/yr – $199,550/yr)

About the role

Manulife is a leading international financial services provider, helping people make decisions easier and lives better. Help shape the future you want to see — and discover that better can take you anywhere you want to go.

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.

Required Qualifications

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.

When You Join Our Team

We’ll empower you to learn and grow the career you want.
We’ll recognize and support you in a flexible environment where well-being and inclusion are more than just words.
As part of our global team, we’ll support you in shaping the future you want to see.

The role being advertised is an existing vacancy.

About Manulife and John Hancock

Manulife Financial Corporation is a leading international financial services provider, helping people make their decisions easier and lives better. To learn more about us, visit https://www.manulife.com/en/about/our-story.html.

Manulife is an Equal Opportunity Employer

At Manulife/John Hancock, we embrace our diversity. We strive to attract, develop and retain a workforce that is as diverse as the customers we serve and to foster an inclusive work environment that embraces the strength of cultures and individuals. We are committed to fair recruitment, retention, advancement and compensation, and we administer all of our practices and programs without discrimination on the basis of race, ancestry, place of origin, colour, ethnic origin, citizenship, religion or religious beliefs, creed, sex (including pregnancy and pregnancy-related conditions), sexual orientation, genetic characteristics, veteran status, gender identity, gender expression, age, marital status, family status, disability, or any other ground protected by applicable law.