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Added 24 mins ago
Senior Java Back-End Engineer, TD Securities
TD
Toronto, ON
Full-time
As a Senior Java Full Stack Developer, demonstrate ownership, accountability, and long-term thinking by delivering secure, reliable, maintainable, and business-aligned technology solutions.
Added 24 mins ago
Java Developer, TD Securities
TD
Toronto, ON
Full-time
The Market Risk Technology Engineering Team is looking to on-board a self-starting, high-performing Java software engineer with a strong engineering mindset to help us grow our risk &…
Added 1 hour ago
Full Stack Engineer
Smart IT Frame LLC
Toronto, ON · Greater Toronto Area, Canada
Contract
🚀 Hiring: Full Stack Developer with Generative AI
Added 2 hours ago
AI Engineer, Entry Level (Canada)
Jobright.ai
Canada
Full-time
Basic understanding of front-end or full-stack integration to help bridge the gap between AI logic and user interfaces
Added 2 hours ago
Junior Front-End Engineer - Montreal - Up to $130,000 CAD Starting Base + Exceptional Bonuses/Benefits
Hunter Bond
Montreal, QC
Full-time
$$$: Up to $130,000 CAD +Exceptional Bonuses + Full Package
Added 2 hours ago
Senior Full Stack Engineer (Python)
Rules Cube
Toronto, ON
Full-time
As a Senior Full Stack Engineer on the MediCore team, you'll own product features end to end, from database design and Python APIs to polished front-end experiences. You'll work closely…
Added 2 hours ago
Front-End Engineer - Montreal - Up to $200,000 CAD + Exceptional Bonuses/Benefits
Hunter Bond
Montreal, QC
Full-time
$$$: Up to $200,000 Starting Base + Bonuses + Full Benefits Package
Added 2 hours ago
Full Stack Software Engineer
Verismo Health
Markham, ON
Full-time
Full-time, on-site Full-Stack Developer based in Markham, Ontario. We build and run healthcare software that handles patient data under PHIPA. We are a small team that works AI-first. Most…
Added 3 hours ago
Senior Agentic Engineer
V-Soft Consulting Group, Inc.
Toronto, ON
Full-time
Design and build AI-enabled applications, agentic workflows, developer tools, APIs, data pipelines, and full-stack products.
Added 3 hours ago
Senior Agentic Engineer
V-Soft Consulting Group, Inc.
Toronto, ON
Full-time
Design and build AI-enabled applications, agentic workflows, developer tools, APIs, data pipelines, and full-stack products.
Added 3 hours 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 3 hours ago
Full Stack Engineer
Tekshapers
Mississauga, ON
Full-time
· Knowledge of AI-powered developer productivity tools such as GitHub Copilot, Devin, and similar AI-assisted development solutions. Experience leveraging these tools to support software…
Added 3 hours ago
Full Stack Engineer
BITS Recruiting
Toronto, ON
Contract
Our client is seeking three Senior Full Stack Software Developers to lead the decomposition of monolithic legacy systems into modular, scalable, and interoperable services. Candidates will…
Added 3 hours ago
Quality Assurance Engineer
DarkVision
North Vancouver, BC
Full-time
You will be joining our software and hardware engineers working on complete “full-stack” development. From embedded systems to data processing to desktop applications to 3D rendering and…
Added 3 hours ago
Senior Frontend Software Engineer, AI UX
Pebl
Remote, Canada
$140,000 to $200,000 CAD / year
Full-time · Remote
…conversational AI assistant, and we’re looking for a Senior Full-Stack Software Engineer who wants to help define what AI-native user experience looks like - not follow a playbook that…
Added 4 hours ago
Site Reliability Engineer
J&M Group
Toronto, ON
Contract
The observability stack: Real User Monitoring, Core Web Vitals dashboards and alerting, CDN log ingestion, and external synthetics
Added 4 hours ago
Full Stack Engineer
FortripAI, Inc.
Toronto, ON
Part-time
…performant web applications using TypeScript and Next.js on the Full stack…
Added 4 hours ago
Lead Data Engineer / Data Platform Lead
Apexon
Toronto, ON
Full-time
…financial analytics application. The incumbent will work across the full stack to deliver reliable, performant, and secure data…
Added 5 hours ago
Full-Stack Developer (Rust & WebAssembly)
SuperQubit Inc.
Markham, ON
$80,000 to $120,000 CAD / year
Full-time
Job Title: Full-Stack Developer (Rust & WebAssembly)
Added 5 hours ago
Full Stack Software Engineer, New Grad
Jobright.ai
Canada
Full-time
…accelerating your route to the best job outcomes. As a New Grad Full Stack Software Engineer, you will work across the product stack to build intuitive user experiences, scalable backend…
Added 5 hours ago
Senior Software Engineer – Agent Systems
Kraken
Canada
Full-time
Background in building developer platforms or internal tooling
Added 5 hours ago
Staff Engineer
Martyn Bassett Associates
Toronto, ON
Full-time
You will operate across the full stack when needed, making strong architectural decisions and choosing the right level of simplicity vs long-term scalability.
Added 6 hours ago
Java Software Engineer
Hays
ON · Ontario, Canada
$58 to $60 CAD / hour
Contract
Experienced Full Stack Developer specializing in Java, Spring Boot, Kafka, and Angular/ReactJS, responsible for designing and developing scalable microservices, implementing complex…
Added 15 hours ago
Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
CoverGo
Remote, Canada
Full-time · Remote
As the Lead Full Stack Engineer, you will take on a pivotal role in guiding the design, implementation, and maintenance of our innovative SaaS platform. You will provide technical direction…
Added 16 hours ago
Mobile App Engineer - React Native, Full Stack & AI
KoraHome.ai
Toronto, ON · Greater Toronto Area, Canada
Full-time
We are looking for a mobile engineer who can take ownership of our React Native app across iOS and Android.

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

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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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