Data Platform Engineer | 5+ Year

• Data Platform Engineer
• Experience - 5-8 Years
• Location - Toronto, Canada

The primary focus of this role is to design, build, and maintain the
EMFI Data Application Platform
, a financial analytics application. The successful candidate will work across the full technology stack to deliver reliable, high-performing, and secure data products.

• Collaborate with internal stakeholders to translate business and analytical requirements into well-defined backend features and data products.
• Design and deploy scalable microservices within the FastAPI ecosystem, establishing clear service boundaries and ensuring loose coupling through well-defined API contracts.
• Develop Snowflake-native applications using Snowpark (Python), Stored Procedures, Tasks, Streams, and Dynamic Tables to support day-end processing engines running within the Snowflake compute layer.
• Design and implement RESTful APIs using FastAPI, ensuring data contracts are clearly defined, versioned, and documented through OpenAPI/Swagger.
• Write, optimize, and maintain SQL queries in Snowflake and PostgreSQL for reporting, aggregation, and analytical workloads.
• Own the end-to-end delivery lifecycle, from requirements gathering and API design through implementation, testing, and deployment.
• Ensure platform security by applying best practices around authentication, authorization (RBAC), input validation, and secure error handling aligned with OWASP Top 10 standards.

• Strong experience designing and implementing microservices architectures, including service discovery, inter-service communication, API versioning, and observability through distributed tracing and logging.
• Proficiency in Python backend development, including FastAPI asynchronous programming and Pydantic-based data validation.
• Hands-on expertise with SQL and analytical databases, including query optimization, aggregations, and data transformations.
• Experience developing Snowflake-native solutions using Stored Procedures (Python/JavaScript), Tasks, Streams, Dynamic Tables, and Snowpark.
• Strong understanding of REST API design principles, OpenAPI specifications, and frontend integration patterns.
• Knowledge of authentication and authorization mechanisms such as JWT, OAuth2, and Role-Based Access Control (RBAC).
• Experience with Docker and Docker Compose for containerized development and deployment.
• Familiarity with CI/CD pipelines for automated testing and release management.
• Proficiency with Git, including branching strategies, pull requests, and code review processes.
• Experience working with cloud platforms such as AWS, Azure, or GCP for compute, storage, and application deployment.

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related field (Master's degree preferred).
• 5–8 years of professional full-stack development experience with a proven track record of delivering production-grade applications.
• Prior experience in the Payments or Fintech industry is highly desirable.
• Demonstrated ability to work independently, manage multiple priorities, and deliver results with minimal supervision.
• Excellent communication and interpersonal skills, with the ability to engage effectively with both technical and non-technical stakeholders.
• Strong personal and professional ethics with a commitment to integrity and accountability.

Did you know that Apexon has been
Certified by Great Place To Work®
, the global authority on workplace culture, in each of the three regions in which it operates: USA (for the fourth time in 2023), India (seven consecutive certifications as of 2023), and the UK. Apexon is committed to being an equal opportunity employer and promoting diversity in the workplace. We take affirmative action to ensure equal employment opportunity for all qualified individuals.

Apexon strictly prohibits discrimination and harassment of any kind and provides equal employment opportunities to employees and applicants without regard to gender, race, color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran…