Senior/Lead C# .NET Developer

The Jonah Group is looking for senior/lead C# .NET Developers 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:
Jonah has produced high quality commercial systems for the banking, auto finance, capital markets, health insurance and pension plan industries (to name a few). We consistently work towards designing and building high-performing enterprise 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 technical expertise alongside a team of software specialists who are passionate about what they do.

What You’ll Do:
• Develop and integrate code for enterprise client software systems
• Make use of fullstack technologies like: SQL Server; C# .NET; Silverlight; HTML5 frontend, Netezza backend
• Conduct test-driven development with automated unit and integration testing
• Drive progress in an Agile environment
• 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
• 3+ years’ experience in WPF and/or Silverlight
• 1+ years’ RESTful/JSON web service experience
• 1+ years’ HTML/CSS/JavaScript
• Experience with web and enterprise application development
• Strong understanding of client server architecture and Object-Oriented Programming concepts
• 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
• Experience with reporting tools, such as SSRS or Crystal
• Familiarity with Angular JS or JQuery, and GIT
• 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!

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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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