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Added 13 mins ago
System Engineering - Platforms
General Dynamics Missions System International
Ottawa, ON
Full-time
We are seeking a Platforms Systems Engineer to provide technical leadership for the development, integration, and validation of vehicle-level communications systems. The Platforms Team…
Added 27 mins ago
IAM Engineer
Mindlance
Toronto, ON
Contract
Join our team as an RSA IAM Engineer and lead the implementation, integration, and support of enterprise authentication solutions.
Added 27 mins ago
Jr. Software Engineer, Health Systems
FluidAI Medical
Kitchener, ON
Full-time
We are looking for a Software Engineer to build and deliver the applications, data tools and integrations supporting FluidAI’s health systems technology initiatives. You will work across…
Added 27 mins ago
Telecom Commissioning Engineer
Apex Bridge Talent Group
Mississauga, ON
Contract
Business Title: Telecom Commissioning Engineer
Added 27 mins ago
Contract Engineer Embedded Mid.
V-Soft Consulting Group, Inc.
Richmond, BC
Contract
V-Soft Consulting is currently hiring for an Contract Engineer Embedded Mid for our premier client Richmond, BC.
Added 27 mins ago
System Engineering - Platforms
General Dynamics Mission Systems–Canada
Ottawa, ON
Full-time
We are seeking a Platforms Systems Engineer to provide technical leadership for the development, integration, and validation of vehicle-level communications systems. The Platforms Team…
Added 27 mins ago
System Engineering - Platforms
General Dynamics Mission Systems–Canada
Ottawa, ON
Full-time
We are seeking a Platforms Systems Engineer to provide technical leadership for the development, integration, and validation of vehicle-level communications systems. The Platforms Team…
Added 41 mins ago
Project Engineer Co-Op
USG Corporation
Oakville, ON
$3,730 to $4,870 CAD / month
Full-time
CGC Inc. is currently hiring a Project Engineer Co-op for our Oakville plant.
Added 43 mins ago
Station MEP Coordinator
Acciona
ON · CAN - Ontario Line North
…contractors, labor teams, and key stakeholders to ensure the seamless integration of MEP systems into the overall project design. You will also ensure that the systems meet all safety,…
Added 56 mins ago
RPA Platform Admin / Platform Engineer
BMO
Toronto, ON · SCC
Full-time
Experience with technology integration (Application/Bot Integrations).
Added 56 mins ago
Senior Software Engineer - Java-Oracle
Broadridge
Toronto, ON
Full-time
Design, develop, support, and monitor Java-based applications and integration solutions that process business transactions and support critical operational workflows. Build and maintain…
Added 56 mins ago
Back-end Software Engineer (Kotlin)
Manulife
Waterloo, ON · Montreal, QC
Full-time
Added 57 mins ago
QA Engineer – AI/ML | Banking, Payments & FinTech
Apexon
Toronto, ON
Full-time
We are looking for a QA Engineer with hands-on experience in AI/ML testing to validate AI/ML-powered applications and solutions. The ideal candidate will have strong QA fundamentals,…
Added 57 mins ago
Station MEP Coordinator
Trillium Guideway Partners
Toronto, ON
$90,000 to $110,000 CAD / year
Full-time
…contractors, labor teams, and key stakeholders to ensure the seamless integration of MEP systems into the overall project design. You will also ensure that the systems meet all safety,…
Added 57 mins ago
Python Developer, API integration of security tools
Maarut
Quebec, QC
Contract
vulnerability management. The expected deliverable is integration and
Added 1 hour ago
Technical Program Manager II
CNN
Ottawa, ON · Kanata, ON
Full-time
Technical oversight: Leverage a technical background to understand complex system designs, architecture decisions, and integration points, providing informed recommendations without being…
Added 1 hour ago
Full Stack Engineer
BITS Recruiting
Toronto, ON
Contract
Integration Engines: Hands-on experience developing, configuring, and monitoring channels within Mirth Connect.
Added 1 hour ago
Guidewire QA
Apptoza Inc.
Toronto, ON
Contract
Guidewire QA Engineer – Functional Testing (PC, BC & CC)
Added 1 hour ago
Python Engineer
Iris Software Inc.
Halifax, NS
Contract
Iris's Fortune 100 direct client is looking for Python Engineer
Added 1 hour ago
Java Engineer
Jobright.ai
Canada
Full-time
…process and helps users reach better job outcomes. The Java Engineer develops and maintains backend services, APIs, database integrations, tests, and technical documentation while…
Added 1 hour ago
Senior Airframe Stress Engineer
Dominion Dynamics
Remote, Canada
Full-time · Remote
Lead from conceptual to final sizing your assigned major structure, structural architectures, interfaces, and systems integration.
Added 1 hour ago
Software Engineer (.NET / C# and AI/IoT)
Artelia
Montreal, QC
Full-time
As a Software Engineer (.NET / C# and AI/IoT) within the Telecommunications team, you will:
Added 1 hour ago
Frontend Engineer
Jobright.ai
Canada
Full-time
…process and helps users reach better job outcomes. The Frontend Engineer builds accessible, reliable web interfaces by implementing responsive designs, integrating APIs, and supporting…
Added 1 hour ago
Senior QA Automation Engineer – Java / REST Assured
K&K Global Talent Solutions INC.
ON · Ontario, Canada
Full-time
Position: Senior QA Automation Engineer – Java / REST Assured
Added 1 hour ago
Site Reliability Engineer
J&M Group
Toronto, ON
Contract
…certificates, cache and invalidation health, and every third-party integration on the page Search, Consent Management, Analytics, Personalization and AI services and many more to…

Apexon

Lead Data Engineer / Data Platform Lead

Toronto, ON, Canada

Job type: Full-time
Apply by: Oct 28, 2026
Experience: 10+ years of professional full stack development experience, with demonstrated delivery of production-grade web applications.
Posting language: English
Posted: Sep 28, 2026

Apply About employer

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Original job description

Job Overview

The primary focus of this role will be to design, build, and maintain the EMFI Data Application Platform, a financial analytics application. The incumbent will work across the full stack to deliver reliable, performant, and secure data products.

Reports To

Director Data and AI, Embedded Finance

Responsibilities and Duties

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 for domain-specific services and ensuring loose coupling through well-defined API contracts.

Design and develop Snowflake-native applications including Snowpark (Python), stored procedures, tasks, streams, and dynamic tables to support day-end processing engines that run natively within the Snowflake compute layer.

Design and implement RESTful API endpoints using FastAPI ensuring data contracts are clearly defined, versioned, and documented via OpenAPI/Swagger.

Write and optimize SQL queries against Snowflake and PostgreSQL for reporting, aggregation, and analytical use cases.

Own end-to-end feature delivery: from requirements gathering and API contract definition through implementation, testing, and deployment.

Ensure platform security by applying best practices around authentication, authorization (RBAC), input validation, and safe error handling, aligned with OWASP Top 10.

Technical Skills

Experience designing and implementing microservices architectures, including service discovery, inter-service communication, API versioning, and distributed tracing/logging for observability.

Proficiency in Python for backend development, including FastAPI async patterns, and Pydantic-based data validation.

Hands-on experience with SQL and analytical databases for writing optimized queries, aggregations, and data transformations.

Experience developing Snowflake-native applications: stored procedures (JavaScript/Python), Tasks, Streams, Dynamic Tables, and Snowpark for building backend processing engines.

Understanding of REST API design, OpenAPI specifications, and API integration patterns in frontend applications.

Knowledge of authentication and authorization patterns including JWT, OAuth2, and role-based access control.

Experience with Docker and Docker Compose for local development and containerized deployments.

Familiarity with CI/CD pipelines for automated testing and deployment.

Experience with version control using Git, including branching strategies and code review workflows.

Ability to work with cloud platforms (AWS, Azure, or GCP) for data storage, compute, and deployment.

Qualifications and Skills

Bachelor’s degree (Master’s preferred) in Computer Science, Software Engineering, Information Systems, or a related discipline.

10+ years of professional full stack development experience, with demonstrated delivery of production-grade web applications.

Experience in the Payments or Fintech industry would be a strong asset.

Proven ability to work independently, manage multiple concurrent workstreams, and deliver with minimal oversight.

Excellent communication and interpersonal skills, with the ability to engage both technical and non-technical audiences.

Unquestionable personal and business ethics and integrity.

Apply About employer

More about this job

Responsibilities

Design, build, and maintain the EMFI Data Application Platform, delivering secure and reliable data products and scalable backend microservices. Develop Snowflake-native processing applications and APIs, optimize data queries, and own features from requirements and design through testing and deployment.

Requirements

Requires 10+ years of full-stack development experience delivering production-grade web applications, with strong Python, FastAPI, SQL, and Snowflake expertise. A bachelor’s degree in a related discipline is required or preferred, and fintech or payments experience is an asset; candidates should also be independent, communicative, and ethically grounded.

Skills

Python
FastAPI
Microservices Architecture
Snowflake
Snowpark
SQL
PostgreSQL
REST API Design
OpenAPI
Pydantic
Authentication and Authorization
Role-Based Access Control
Docker
CI/CD
Git
Cloud Platforms

Visa sponsorship

Not detected in the job text

Keywords

Python
FastAPI
Microservices
Snowflake
Snowpark
Stored Procedures
Tasks
Streams
Dynamic Tables
SQL
PostgreSQL
REST APIs
OpenAPI
Swagger
Pydantic
JWT
OAuth2
Role-Based Access Control
OWASP Top 10
Docker
Docker Compose
CI/CD
Git
AWS
Azure
GCP
Data Products
Financial Analytics
Payments
Fintech

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