Senior/Lead C# .Net Developers

The Jonah Group is looking for Senior/Lead C# .NET Developers with Capital Markets experience to guide our project teams and establish best practices in programming and technical design. You will be working alongside accomplished tech professionals to build custom, high-quality software solutions.

What We Do:

As a medium-sized consulting firm, we take on high-profile clients and brand names in many industries. Our solutions range across areas like Capital Markets, eHealth, auto finance, eHealth, education, governmental, and pension initiatives (to name a few). We are consistently working towards designing and building high-performing enterprise digital solutions with emphasis placed on great user experience, robust architecture, and a perfect fit. Here at Jonah, you’ll have the opportunity to contribute your theoretical knowledge in a technically diverse environment alongside our team of software experts.

What You’ll Do:

•Develop and integrate code for enterprise client software systemsMake use of full stack technologies like: C# .NET; HTML5/Javascript/CSS, SQL Server, Netezza, MQ
•Develop high-performance, scalable and low-latency systems
•Drive progress in an Agile environmen
•Frequently interact with clients
• Demonstrate effective mentorship and hands-on technical leadership to team members
• Identify and advocate for change when warranted by current processes or existing systems implementations

Your Preferred Profile:

• Strong foundation in CS fundamentals with the ability to produce quality code
• 7+ years’ experience in software development using C# .NET technologies
• 5+ year’s experience with SQL (primary MS SQL Server) and ORM (e.g LINQ, NHibernate)
• 3+ years’ RESTful/JSON web service experience
• 3+ years’ HTML/CSS/JavaScript
• 2+ years’ experience in WPF and/or Silverlight
• Experience with web and enterprise application development
• Strong understanding of client server architecture and Object-Oriented Programming concepts
• Demonstrated experience with queuing architecture, caching, and data streaming
• Experience working with Hadoop an asset
• Solid experience developing and implementing complex application components

What Sets You Apart:

• Excellent oral and written communication skills
• Knowledge of capital markets or financial verticals, specifically, risk quantification, limit monitoring, and derivative instruments
• Proven experience leading development teams through the whole project lifecycle
• Familiarity with Angular (1.x/2/4/5), JQuery or other Javascript frameworks
• A track record of great teamwork and the ability to work independently and drive projects to completion
• Bachelor’s Degree in Computer Science; or in Engineering, Physics, or Math with strong CS experience

What You’ll Like About Working Here:

• Family-friendly benefits and vacation time
• Annual training budget and professional development for fulltime employees
• The flexibility of a software consulting environment; project variety, adapting to new business domains, and building complex applications
• Ability to flex your creativity muscle, and have your opinions heard
• A work culture where you’ll look forward to coming in every day
• Enough coffee and tea to appease your daily caffeine fix
• Free food and beverages during events like Thursday Night Socials
• Downtown Toronto location (easily accessible by public transit)

Feel free to send us your resume anytime to We’ll keep your information on file (honest!) for that fateful day when preparation and opportunity collide, and together we will unleash your awesome skills on our next new project Please include “220 – .Net Developer” in the subject line. We want to thank all individuals who apply and will be contacting suitably qualified applicants as soon as we can.

For more information about the Jonah Group, please visit, or see what it’s like to work here on LinkedIn Life Page (!

The crew behind ASOT

We're a team of interactive, software, and business intelligence experts skilled in the design, construction, and management of online enterprise systems.

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