Architect, design, develop, and maintain robust, scalable, and secure backend services for Questrade's retail crypto and alternatives trading platforms, leveraging modern architectural patterns and best-in-class technologies. Drive the expansion of crypto infrastructure across various Questrade products, ensuring seamless integration, high performance, and future scalability. Lead the development and launch of new crypto capabilities for clients and internal teams, from ideation to deployment, with an emphasis on speed-to-market and quality.

Contribute to the architecture, build, and delivery of other current alternative trading products within the dedicated Growth Portfolio entity, actively identifying and adopting emerging technologies. Provide expert support for all crypto trading and transfer solutions, ensuring system stability and reliability through proactive monitoring and incident resolution. Create and meticulously document clear, efficient, and secure APIs (including RESTful and WebSocket APIs) to facilitate all aspects of crypto and alternatives transactions, setting standards for integration and developer experience.

Coach and mentor junior and intermediate team members, fostering a culture of continuous improvement, knowledge sharing, and adoption of innovative development practices within the software development team. Identify opportunities to automate workflows, optimize system performance, and enhance development pipelines to boost team efficiency and accelerate delivery cycles. Diagnose and troubleshoot complex technical issues, ensuring high availability and optimal performance of crypto and trading systems.

Work closely with product owners, front-end developers, QA engineers, and other stakeholders to translate business requirements into cutting-edge technical solutions.



Stay abreast of the latest trends and technologies in the blockchain and cryptocurrency space, actively bringing innovative solutions and new tools to the team to maintain our competitive edge.

Requirements ~5+ years of experience in backend software development, with a strong focus on building scalable and resilient systems. ~ Proficiency in one or more modern backend programming languages (e.g., C#, Java, Go, Python, Node.js). ~ Experience designing and building RESTful and WebSocket APIs is desired. ~ Solid understanding of object-oriented programming (OOP) and SOLID principles. ~ Experience with relational and/or NoSQL databases, and optimizing applications for large datasets. ~ Experience with event-driven architecture and message queues (e.g.,PubSub, Kafka, RabbitMQ). ~ Experience with cloud platforms (e.g., GCP, Azure, AWS) and containerization technologies (e.g., Docker, Kubernetes). ~ Experience with unit testing frameworks and practices. ~ Proven ability to design and architect complex, high-availability systems with a focus on performance, security, and maintainability. ~ Exceptional analytical and problem-solving abilities, with a keen eye for detail and a proactive approach to issue resolution. ~ Excellent verbal and written communication skills, with the ability to articulate complex technical concepts clearly to both technical and non-technical audiences. ~ A strong team player who thrives in a collaborative environment and is eager to share knowledge and expertise,



fostering a culture of continuous learning. ~ A self-starter with a proactive mindset and a relentless drive to deliver high-quality solutions and push technological boundaries. ~ Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience. ~ Proficiency in Java and Spring Boot is desired. ~ Experience integrating common crypto platform vendors (hot wallets, custodians, execution management service, payment processors) is a plus. ~ Experience in the financial services or FinTech industry. ~ Familiarity with security best practices in blockchain and financial applications. ~ Experience launching new products from 0 to 1. ~ Experience in Angular, and React Native is a bonus.

Core Competencies

Demonstrates expertise in backend software development, focusing on scalable and resilient systems, with proficiency in modern programming languages and API design. Capable of leading teams, mentoring junior members, and driving the integration of innovative technologies in the crypto and financial services domain. Highest-signal resume keywords Backend Software Development RESTful and WebSocket API Design Cloud Platforms (GCP, Azure, AWS) Event-Driven Architecture Proficiency in Java and Spring Boot ATS Optimization Keywords Hard Skills C# Java Go Python Node.js Object-Oriented Programming (OOP) SOLID Principles Relational and NoSQL Databases Unit Testing Frameworks Security Best Practices Soft Skills Analytical Problem-Solving Excellent Communication Team Collaboration Proactive Mindset Mentoring and Coaching Industry Keywords Financial Services FinTech Crypto Trading Blockchain Product Launch Tools & Technologies Docker Kubernetes PubSub Kafka RabbitMQ Angular React Native

📌 Senior Principal Backend Engineer, Crypto and Alternative Trading Products (Toronto)
🏢 Jobtailor
📍 Toronto