Lead Microsoft Developer- Full-Time- Perm- GTA

Position Description & Qualifications Purpose of the Job: We are seeking a highly experienced Lead Microsoft Developer to lead the development, support, and enhancement of .NET-based Windows and web applications. The ideal candidate will provide technical leadership, ensure adherence to best practices, and contribute to the stability and optimization of enterprise systems. Experience with Microsoft business applications such as Dynamics 365 (Customer Service module) and Power Pages is considered an asset and may be leveraged to support and extend enterprise solutions where applicable.

Primary Duties and Responsibilities:

Lead the design and development of software applications on the .NET platform, ensuring high performance, scalability, and maintainability.

Work across both front-end and back-end technologies, frameworks, and third-party libraries to deliver full-stack solutions.

Develop detailed program specifications and perform unit testing to ensure code quality.

Collaborate with IT teams and partners to develop, test, and deploy application fixes, enhancements, and upgrades.

Participate in integration and regression testing to ensure seamless system performance.

Create and maintain technical documentation describing program logic, development processes, and issue resolutions.

Optionally support and enhance Microsoft Dynamics 365 applications (particularly the Customer Service module) to improve case management and service automation.

Optionally design and implement secure, low-code websites using Microsoft Power Pages, integrated with Dataverse and Dynamics 365, to support external user interactions.

Translate business requirements into scalable Microsoft application solutions in collaboration with business analysts and stakeholders.

Participate in Tier 2 and Tier 3 support, including incident management, troubleshooting, and root cause analysis (RCA).

Provide off-hour support to avoid any service impact to the customer.

Develop and implement solution enhancements based on evolving business needs.

Conduct code reviews and provide mentorship to junior and peer developers.

Contribute to team-based, matrix-managed projects, ensuring timely and budget-conscious delivery.

Stay current with Microsoft technologies and industry best practices to drive innovation.

Perform other technical duties as assigned.

Qualifications:

A Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related discipline.

At least 7 years of experience in developing, implementing, and supporting large-scale, complex web-based applications using .NET, ASP.NET, C#, VB.NET, Microsoft Access, PL/SQL, PowerShell, and relational databases such as Microsoft SQL Server and/or Oracle.

Proficiency in front-end technologies including HTML, CSS, JavaScript, XML, and libraries such as jQuery.

Experience with back-end development using C# and JavaScript frameworks such as Angular, React, and Node.js.

Hands-on experience with IIS, Windows Applications, AngularJS, and Microsoft Windows environments.

Familiarity with Microsoft Dynamics 365 (including the Customer Service module) and Power Pages is considered an asset, particularly for roles involving integration with .NET-based systems.

Experience with databases such as SQL Server, MySQL, and MongoDB, and web servers like Apache and IIS.

Strong database development skills, including SQL queries, stored procedures.

Excellent understanding of industry standards for software design and application development.

Exceptional troubleshooting skills for diagnosing and resolving complex web-based application and system issues.

Strong working knowledge of Software Development Life Cycle (SDLC) and Agile methodologies.

Solid understanding of high availability architecture and experience supporting mission-critical services, including disaster recovery planning and implementation.

Familiarity with Government of Ontario IT Standards (GO-ITS) is an asset.

Demonstrated ownership and urgency in supporting mission-critical business environments.

Ability to work independently with minimal supervision and lead technical initiatives.

Company Overview Serco Canada Inc. strives to make an impact every day across 100+ sites in the areas of Defense, Citizen Services, and Transportation. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Serco serves the Canadian Federal and Provincial governments and commercial clients. While your place may look a little different depending on your role, we know you will find yours here. Wherever you work and whatever you do, we invite you to discover your place in our world. Serco is a place you can count on and where you can make an impact because every contribution matters.

Pay Transparency Our Total Rewards package includes competitive pay, performance-based incentives, and benefits that promote well-being and work-life balance—so you can thrive both professionally and personally. Program availability may vary based on factors such as contract type, location, hire date, and applicable collective bargaining agreements.

Salary range: The range for this position can be found at the top of the posting. This range is provided as a general guideline and represents a good faith estimate across all experience levels. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic market considerations. For roles available in multiple provinces, the range may vary to reflect differences in local labor markets. In addition to base salary, eligible positions may include other forms of compensation such as annual bonuses or long-term incentive opportunities.

To review all Serco benefits please visit: https://careers.serco-na.com/us/en/about-us .

Serco complies with all applicable federal, provincial, and local leave laws This is a Canada-based role and this position is for an existing vacancy, unless stated otherwise in the job description. Please submit applications exclusively through Serco’s external (or internal) career site. If an applicant has any concerns with job posting compliance, please send an email to: careers@serco-na.com .

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