Senior C++ Engineers

The customer is at the focus of everything we do and millions of end users rely on our products daily. We believe in the value of empowering engineers with the resources to solve critical problems for the future of the business which is why we need you.

We are seeking self-motivated engineers who are obsessed with delivering value are forward-thinking love to learn from both successes and failures and are excited to see the successful implementation of the products they deliver while remaining open to change and continuous improvement.

Position Responsibilities:

As a Senior C Developer you will:

• Build best in class software solutions to drive our products including prototyping building and testing new functionality.

• Maintain and ensuring high quality software with accountability for production reliability and usage.

• Designing coding unit testing and integrating new features and functionality as defined by the PO and team.

• Contribute creative problem solving that bring software designs to life.

• Apply agile principles and methodology within the squad.

• Contribute the development of automated test harnesses as necessary to ensure delivery of high-quality code.

• Updating progress daily through the tracking tool (Jira) or Kanban board.

• Completing any of the documentation required e.g. deployment maintenance support and business needs.

You will bring and continuously build upon the following skills:

• Apply organizational and problem-solving abilities that enable you to manage through creative abrasion.

• Leverage strong verbal and written communication with the ability to effectively articulate and communicate technical vision possibilities and outcomes.

• Collaborate with product managers software engineers and operations engineers to uncover pain points and opportunities to deliver new business value through software.

• Driving the participation in ideation and brainstorming sessions to devise creative and disruptive digital solutions. We need and value fresh ideas!

• Contribute in various investigative Spikes in order to mitigate technical uncertainty and risk.

• Be part of initiatives to develop and improve standards and methodologies.

• Working closely with the Product Owner to refine the Product Backlog including providing initial estimates and actively participating with the weekly Look Ahead meetings.

Required Qualifications:

Core C Development

• 8 years of professional software development experience using C.

• Strong knowledge of modern C standards (C11/14/17/20) and legacy C codebases.

• Expert understanding of

  • Object-Oriented Programming (OOP)

  • Design Patterns

  • Memory management

  • Multi-threading and concurrency

  • Template programming

  • STL and Boost libraries

• Experience developing high-performance scalable and maintainable applications.

COM/COM Development

• Extensive hands-on experience designing developing and maintaining COM and COM applications.

• Strong understanding of:

  • COM architecture and lifecycle

  • COM interfaces (IUnknown IDispatch)

  • Reference counting and memory management

  • Apartment threading models (STA/MTA)

  • COM registration and deployment

  • Type libraries (TLB)

  • Marshaling and proxy/stub architecture

  • COM Services and component configuration

• Experience troubleshooting complex COM registration activation and interoperability issues.

Windows Development

• Deep expertise in Windows application development.

• Strong knowledge of:

  • Win32 API

  • ATL (Active Template Library)

  • MFC (Microsoft Foundation Classes)

  • Windows Services

  • DLL development

  • Registry management

  • Windows Security and User Permissions

• Experience debugging native Windows applications using Visual Studio and WinDbg.

System Integration

• Experience integrating COM/COM components with:

  • .NET applications

  • Web services

  • Database systems

  • Third-party components

• Familiarity with COM Interop and migration strategies from COM technologies.

Database & Enterprise Technologies

• Strong SQL development skills.

• Experience with Microsoft SQL Server and stored procedures.

• Understanding of transactional processing and distributed transactions.

• Experience working with enterprise-scale client-server applications.

Software Engineering Practices

• Strong understanding of:

  • Software architecture and design principles

  • SDLC methodologies (Agile/Scrum)

  • Code reviews and mentoring

  • Unit testing and integration testing

  • CI/CD processes

  • Version control systems (Git Azure DevOps TFS)

Troubleshooting & Performance Optimization

• Expert-level debugging and root cause analysis skills.

• Experience analyzing:

  • Memory leaks

  • Deadlocks

  • Performance bottlenecks

  • Thread synchronization issues

  • COM activation and registration failures

• Proficiency with diagnostic tools such as:

  • Visual Studio Debugger

  • WinDbg

  • Process Explorer

  • Performance Monitor

  • Debug Diagnostics Tool

Preferred Qualifications:

• Experience modernizing legacy COM/COM applications.

• Knowledge Framework/.NET Core and migration strategies.

• Experience with REST APIs and Windows-based integration platforms.

• Familiarity with Azure or cloud-hosted Windows workloads.

• Understanding of cybersecurity best practices for Windows applications.

Soft Skills

• Ability to lead technical design discussions and architectural decisions.

• Strong stakeholder communication skills.

• Strong analytical and problem-solving skills.

• Ability to work independently in complex enterprise environments.

When you join our team:

• Well empower you to learn and grow the career you want.

• Well recognize and support you in a flexible environment where well-being and inclusion are more than just words.

• As part of our global team well support you in shaping the future you want to see.

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 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.

It is our priority to remove barriers to provide equal access to employment. A Human Resources representative will work with applicants who request a reasonable accommodation during the application process. All information shared during the accommodation request process will be stored and used in a manner that is consistent with applicable laws and Manulife/John Hancock policies. To request a reasonable accommodation in the application process contact .