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Sr Manager Development -.Net

Job in Markham, Ontario, Canada
Listing for: Jonas Software UK
Full Time position
Listed on 2026-01-02
Job specializations:
  • IT/Tech
Job Description & How to Apply Below

Description

:

Sr Manager of Software Development - .Net

Jonas Club

Markham, ON

THE COMPANY

Gary Jonas Computing Ltd was established in September 1990 with a mandate to be a client-oriented and technology-driven software application company with industry-related professionals. Jonas Software is the leading provider of enterprise management software solutions to the Private and Semi-private Club, Foodservices, Construction, Metal Service Centers, Moving & Storage and Attractions & Leisure, Fitness & Sports industries. Within these independent vertical markets, Jonas boasts 12 distinct brands, all of which are respected and longstanding leaders within their own domain.

Jonas is a member of the Constellation family of companies. Constellation companies are leading developers of technology solutions for vertical markets in North America, Europe and Australia. CSI was winner of the prestigious “Canada’s 50 Best Managed Companies” award 2005 and in May 2006 became a publicly traded company on the Toronto Stock Exchange (ticker CSU). CSI group employees have the opportunity to move throughout the group, developing specialized skills and experience.

Jonas’ vision is to be the branded global leader across the aforementioned seven vertical markets and to be recognized by customers and respective industry stakeholders as the trusted provider of Software for Life and as an ambassador for technology, product innovation, quality, and customer service.

Jonas Software is the valued technology partner of over 8000 customers worldwide in 15 countries. Jonas employs hundreds of skilled individuals consisting of a cross-section of industry experts and technology professionals. Jonas is headquartered in Canada and also operates offices in the United States, the United Kingdom, and the Caribbean. With the talents of Jonas employees spanning the globe, Jonas is proud to avail cost-effective training and consulting services to our entire client base.

POSITION

We are embarking on a mission to reshape our users’ fundamental experiences, delight their customers, and reshape how development is done. This role will involve considerable customer interaction, especially when working with end-users in helping understand their needs and challenges. This role will be part of a highly visible team that has direct impact on the execution of their technology roadmap and vision.

We are seeking a highly experienced Senior Manager of Software Development to lead our .Net engineering team. This role requires deep technical expertise in the Microsoft technology stack (SQL, , C#, Blazor) for web services and applications.

You will be responsible for leading technology direction and team culture. The mandate will be to take the existing solution () and use a pragmatic approach to modernize the platform. It will require managing cross-functional teams of developers, collaborating with product and UX teams, overseeing architecture and code quality, and delivering high-performing, secure, and scalable solutions. This is a strategic leadership role requiring both hands-on technical depth and outstanding team leadership skills.

RESPONSIBILITIES:

  • Building and managing a high-performing team of software developers with a mandate of transitioning from monolithic thick client to full-stack web applications.
  • Own the end-to-end development lifecycle: requirements gathering, design, development, testing, deployment, and maintenance.
  • Architect scalable solutions using the Microsoft technology stack, including Blazor/React, .NET Core, C#, Azure, and SQL Server.
  • Collaborate with Product Management and UX to define project requirements, prioritize features, and deliver world-class user experiences.
  • Ensure secure coding practices, performance optimization, and compliance with data privacy and security standards.
  • Mentor and coach engineers, conduct code reviews, and support career development for team members.
  • Manage vendor relationships and evaluate external tools or partners when necessary.
  • Setting Objectives and SMART Goals
  • Monitor KPIs, deliver project milestones on time and on budget, and report progress to senior leadership.
  • Driving ownership culture within the team.
  • JO…

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