Software Developer Senior Specialist (AI-First Engineering

The Role

As a Senior Specialist - Software Development reporting to the Head of Market Data and AI Enablement
, you'll play a key role in designing, building, modernizing, and supporting business-critical enterprise applications. You will be part of the team responsible for the company's Market Data Platform
, powering market data experiences across the and supporting millions of retail investors worldwide. The platform processes and serves market data at massive scale, handling approximately 300 billion requests per month
, making it one of the company's most visible and business-critical technology platforms.

Working closely with global teams and stakeholders, you'll leverage your expertise in C#, .NET, API development, SQL Server, and modern engineering practices to deliver secure, scalable, and maintainable solutions. You'll contribute to architecture and technical planning, help drive application modernization initiatives, and use AI-powered development tools to improve engineering productivity, software quality, and delivery speed.

You’ll thrive in this role if you enjoy balancing hands-on software development with technical leadership, mentoring others, and continuously improving how software is built and delivered.

• Design, develop, maintain, and support enterprise applications, scalable web applications, REST APIs, and system integrations.
• Partner with stakeholders to translate business requirements into secure, reliable, and maintainable technical solutions.
• Participate in architecture discussions, design reviews, and technical planning while contributing to application modernization and digital transformation initiatives.
• Troubleshoot production issues, support releases and deployments, and implement sustainable solutions that improve system reliability and performance.
• Drive automation, engineering best practices, secure software development, and continuous improvement across the software development lifecycle.
• Mentor team members, provide technical leadership, and collaborate with global teams to deliver high-quality software solutions.
• Leverage AI-powered development tools to accelerate development, testing, debugging, documentation, code reviews, and overall developer productivity.

• Bachelor's degree in Computer Science, Engineering, Information Technology, or a related field, with 8-12+ years of enterprise software development experience
  .
• Strong expertise in C#, .NET/.NET Core, REST API development, and modern web application development.
• Deep knowledge of Microsoft SQL Server, including database design, stored procedures, views, indexing, query optimization, performance tuning, and database maintenance.
• Experience supporting business-critical applications, including IIS administration, deployments, production support, and operational excellence.
• Strong understanding of Agile/Scrum methodologies, software development lifecycle practices, source control, CI/CD pipelines, and secure coding principles.
• Proven ability to solve complex enterprise-scale technical challenges while effectively communicating and collaborating with technical and non-technical stakeholders.
• Hands-on experience using AI-assisted development tools such as Git Hub Copilot, Claude Code, or similar platforms to improve software quality, delivery speed, and engineering productivity.
• Passion for innovation, modernization, continuous improvement, and mentoring others.

• Experience with HTML, CSS, JavaScript, Python scripting, and automation.
• Experience working with content management systems (CMS).
• Exposure to cloud platforms, modern application architectures, and application modernization initiatives.
• Experience with in Financial Services, Capital Markets, Fin Tech, or other regulated industries.
• Exposure to AI-enabled business solutions and workflow automation.

This position will be located in Toronto and offers the opportunity for a hybrid work environment at least 3 days a week in-office
, subject to change, providing flexibility and accessibility for qualified candidates.

* This posting is for an existing vacancy within the company*

the company is an equal opportunity employer.…