Back-End Developer (C#)

Join nesto — proudly named Canadian Rocketship 2025*. A Deloitte Fast 50 company evolving alongside Canada’s top tech innovators and disrupting a 2.1 Trillion-dollar mortgage industry at light speed by building the mortgage ecosystem of the future.

BUILD lending technology with the best developers, AI engineers, and mortgage experts in the country. Work on a modern tech stack and a development framework designed to unlock your full potential and accelerate your career.

Why join us

• Hypergrowth: Deloitte Fast 50 — 3 years in a row
• Tech community credibility: TechTO Canadian Rocketship 2025*
• Industry leadership: CLA Lending Company of the Year — 4 consecutive years
• Talent magnet: CMP Top Mortgage Employer 2025
• Trusted technology: powering major financial institutions across Canada
• An entrepreneurial culture built on trust, speed, uncomfortable ambition, being stronger together, and a relentless obsession with our clients.

Who are you

Builders. Problem-solvers. Curious minds. People who move fast, embrace innovation, and believe we’re stronger together.

If you trust your skills and want to build real technology that reshapes an entire industry, join us now.

About nesto and Nesto Cloud

nesto is Canada’s leading provider of mortgage technology and financing solutions, managing $73B+ CAD in residential and commercial mortgages, with 1,000+ team members across 12 offices nationwide. You will be working on Nesto Cloud, Canada’s most advanced cloud platform, delivering end-to-end technology solutions for lenders in the digital age.

Role and Responsibilities:

• Collaborate with internal stakeholders to translate business requirements into backend technical designs and solutions.
• Design and build secure, scalable, and data-driven backend services and APIs.
• Ensure solutions meet standards for performance, reliability, testability, and maintainability.
• Use AI-assisted development tools to improve productivity and code quality.
• Communicate progress and issues clearly with Business Analysts and Project Managers.
• Develop using C# .NET, SQL/NoSQL databases, and Azure cloud technologies.

Skills and Qualifications:

• Degree in Computer Science, Engineering, or equivalent experience with strong object-oriented programming skills.
• 3–5 years of professional experience developing C# .NET applications.
• Strong experience with SQL Server/T-SQL and database-driven systems.
• Familiarity with cloud development (preferably Azure) and RESTful APIs.
• Knowledge of AI-assisted development tools.
• Strong communication skills and ability to work independently and in a team.
• Experience with React and Agile/Kanban environments is a plus.
  

The Reward
The A-Team: Work alongside high-performing talent in the industry.

Accelerated Growth: The slope of your learning curve here will be vertical. You will touch more production systems in one year than you would in five years at a bank.

Top-Tier Coverage: Premium benefits plan fully paid by nesto, including comprehensive insurance and unlimited access to telemedicine and mental health services for you and your family.

Rest & Recharge: 4 weeks of vacation to ensure you stay at peak performance.

Best-in-Class Tools: Access to the resources and tech you need to execute without friction.

Working framework: the environment that makes you productive and enables teamwork.

Diversity & Inclusion

At nesto, we believe that creativity and collaboration are the result of a diverse team. We are committed to fostering a culture of diversity, equity, inclusion, and belonging, and we strongly encourage women, people of color, LGBTQIA+ individuals, and individuals with disabilities to apply. We are committed to creating a workplace that is inclusive and welcoming to all. 
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