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 workplace.
**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 Git

Hub and Git

Hub 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 Type

Script.

Proven experience designing and developing scalable APIs and distributed systems.

Hands-on experience with Git

Hub, Git

Hub 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 Dev

SecOps 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.
**マニュライフとジョン・ハンコックについて**
マニュライフ・ファイナンシャル・コーポレーションは、「あなたの未来に、わかりやすさを」を提供する、国際的な大手金融サービスプロバイダーです。当社について詳しくは、
https://www.manulife.co.jp/ lをご覧ください。
**マニュライフは機会均等を是とする雇用主です**
マニュライフ/ジョン・ハンコックでは、多様性を受け入れます。私たちは、サービス提供先であるお客さまと同様に、多様な人材を引きつけ、育成し、定着させ、文化や個人の力を受け入れる包括的な職場環境を促進するよう努めています。当社は公正な採用、定着、昇進、報酬に努めています。当社のすべての慣行およびプログラムは、人種、祖先、出身地、肌の色、民族的出自、市民権、宗教または宗教的信念、信条、性別（妊娠および妊娠関連の状態を含む）、性的指向、遺伝的特徴、退役軍人としての地位、性自認、性に関する表明、年齢、婚姻状況、家族状況、障害、または適用法で保護されるその他の要因に対する一切の差別を行うことなく管理されます。




雇用への平等なアクセスを提供するために、障壁を取り除くことが当社の優先事項です。人事担当者は、応募者が応募プロセス中に合理的配慮を要求する場合に協力します。配慮要求のプロセス中に共有されるすべての情報は、適用される法律およびマニュライフ/ジョン・ハンコックのポリシーに準拠した方法で保存および使用されます。申請プロセスにおいて合理的配慮を要求するには、 [email protected] までご連絡をお願いします。
**Referenced Salary Location**
Boston, Massachusetts
**Working Arrangement**
ハイブリッド勤務
**Salary range is expected to be between**
$107,450.00 USD - $199,550.00 USD
Employees also have the opportunity to participate in incentive programs and earn incentive compensation tied to business and individual performance.

The actual salary will vary depending on local market conditions, geography and relevant job-related factors such as knowledge, skills, qualifications, experience, and education/training.

If you are applying for this role outside of the primary location, please contact
[email protected]
for the salary range for your location.

Manulife/John Hancock offers eligible employees a wide array of customizable benefits, including 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.

We also offer eligible employees 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.

Our generous paid time off program in the U.S. includes 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, and we offer the full range of statutory leaves of absence.

We use data and analytics technologies, such as artificial intelligence (AI), and automated processing tools, to analyze and process the information you provide to us or third parties in the application process.

For more information, please refer to our personal information collection statement (https://careers.manulife.com/global/en/talentacquisitionprivacystatement) .

Know Your Rights
(http://dol.gov/agencies/ofccp/posters?utm_medium=email&utm;_source=govdelivery)
**I**
Family & Medical Leave (https://www.dol.gov/agencies/whd/fmla/posters)
**I**
Employee Polygraph Protection (https://www.dol.gov/sites/dolgov/files/WHD/legacy/files/eppac.pdf)
**I**
Right to Work (https://www.e-verify.gov/sites/default/files/everify/posters/IER_Right

ToWork

Poster%20Eng_Es.pdf)
**I**
E-Verify (https://e-verify.uscis.gov/web/media/resources

Contents/E-Verify_Participation_Poster_ES.pdf)
Company: John Hancock Life Insurance Company (U.S.A.)

📌 Senior Full Stack Software Engineer (Waterloo)
🏢 Manulife
📍 Waterloo