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Added 2 months ago
AI Application Security Architect
ACV
Toronto, ON
…assistants and agents without trading away security. You will help engineering deliver secure applications across ACV's marketplace, protecting sensitive dealer, consumer, vehicle, and…
Added 2 months ago
Intermediate Data Engineer
Northland Properties
Vancouver, BC
We're looking for a Data Engineer to design and build the pipelines and data architecture that power analytics, reporting, and governance across the business. You'll spend most of your time…
Added 2 months ago
Senior Software Engineer - Metadata
Fivetran
ON
From Fivetran’s founding until now, our mission has remained the same: to make access to data as simple and reliable as electricity. With Fivetran, customer data arrives in their…
Added 2 months ago
VD
Senior Software Engineer - Database
VAST Data
Vancouver, BC
- Full-time
…infrastructure - helping us push the boundaries of backend engineering for real-time, petabyte-scale data…
Added 3 months ago
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Stagiaire en développement logiciel / Intern Software Developer
Flare
Montréal-Ouest, QC
- Internship
Expérience avec des langages/frameworks comme : Python 3, Flask, JavaScript, VueJS
Added 3 months ago
N
Senior Software Engineer, Data Engineering
NationGraph
Toronto, ON
- $150,000 to $200,000 CAD / year
- Full-time
This is real data engineering, not dashboard plumbing. You'll build high-volume interaction and ingestion pipelines with retries, dead-letter handling, checkpointing, and resumability; turn…
Added 3 months ago
GD
Data Scientist I
Groupe Dynamite
Mont-Royal, QC
- Full-time
You are an experienced cloud developer with a passion for data science and data modeling.
Added 3 months ago
SS
AI Performance Engineer – GPU & ROCm
Sapphire Stream Technology
Toronto, ON
- Full-time
Bachelor’s or master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
Added 3 months ago
O
Senior Automation Engineer
Orise
Montreal, QC
- Full-time
…technologies and platforms (PLCs, DCS, SCADA, BMS, Edge Devices, MES, Data Management, Vision Systems, Robotics, etc.) for some of the leading companies in the life sciences and other…
Added 3 months ago
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Analyst, Systems Development
Bombardier
Dorval, QC
- Full-time
Partner with cross-functional business, technology, data, governance, and delivery stakeholders across the enterprise.
Added 3 months ago
B
Analyst, Data Science & AI developper
Bombardier
Dorval, QC
- Full-time
Design, develop and maintain modern applications and AI/ML models using Python, React and related frameworks.
Added 3 months ago
B
Analyst, Data Science & AI
Bombardier
Dorval, QC
- Full-time
You hold a bachelor’s degree in data science, computer science, statistics, mathematics, engineering, operations research, or a related quantitative field.
Added 3 months ago
PI
Data Platform Engineer
Princeton IT Services, Inc
Toronto, ON
- Full-time
Proficiency in Python for backend development, including FastAPI async patterns, and Pydantic-based data validation.
Added 3 months ago
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Specialist - Data Engineering
LTM
ON · Ontario, Canada
- $100,000 to $120,000 CAD / year
- Full-time
Improve data foundations Partner with data engineering and platform teams to ensure highquality telemetry scalable data models and reliable reporting layers
Added 3 months ago
ES
Machine Learning Engineer - Express Scripts Canada
Express Scripts Pharmacy Benefit Services
Mississauga, ON
- Full-time
The role blends hands-on data engineering (Oracle + ETL), model development (unsupervised learning), and API serving (Python/FastAPI), with close collaboration across business teams. You’ll…
Added 2 months ago
D
Senior DevOps Engineer
DataStealth
Mississauga, ON
- Full-time
DataStealth is a single, unified AI data security platform (DSP) that discovers, classifies, and protects sensitive data across your entire environment - from on-premise to legacy systems…
Added 2 months ago
S&
Lead Substation Engineer 1 - Grid
Sargent & Lundy
Calgary, AB
- Full-time
…outcomes for our clients. Depending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design…
Added 2 months ago
S1
Full-Stack Machine Learning Engineer
Signal 1
Toronto, ON
- Full-time
- Depth in AI and backend engineering: strong Python for services and ML pipelines, working fluency with cloud infrastructure and CI/CD, and a working understanding of frontend development…
Added 2 months ago
CO
Staff Software Engineer
Capital One
Toronto, ON
- Full-time
Continuously improve software engineering developer experience; identify gaps in existing internal framework and tools and contribute
Added 2 months ago
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Information Security Specialist ( Attack Surface Reduction)
TD
Toronto, ON
- Full-time
Hunt on TTPs, threats/risks and/or vulnerabilities aligned to the MITRE Att3ck framework based on both internal and external intelligence data.
Added 2 months ago
M
Senior Software Engineer - Brokerage Platform
moomoo
Remote, Canada
- Full-time
- Remote
We are looking for an experienced Senior Software Engineer to join our engineering team in Toronto.
Added 1 month ago
Senior Consultant - Credit Risk Modelling
EY
Toronto, ON
Strong quantitative skills in data analytics and modelling incl. artificial intelligence and machine learning techniques
Added 1 month ago
TCMS Senior Software developper
Alstom
Saint-Bruno, QC
Senior TCMS Software Developer | St-Bruno, Quebec
Added 2 months ago
PT
Software Developer
Pleora Technologies
Ottawa, ON · Kanata, Ontario
- Full-time
…for performance, enabling low-latency, real-time video and data transport in 1000's of unique…
Added 2 months ago
E
Développeur logiciel en support à la recherche sur les menaces / Threat Research Software Engineer (m/f/n)
ESET
Montreal, QC
- Full-time
Expérience en Python et JavaScript, avec une expérience démontrée dans la conception, le développement et la maintenance de systèmes Python assortis d’une réelle responsabilité…

Princeton IT Services, Inc

Data Platform Engineer

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Jan 26, 2027
Experience: 10+ years of professional full stack development experience, with demonstrated delivery of production-grade web applications.
Posting language: English
Posted: Jul 30, 2026

Original job description

Job title: Data Platform Engineer

Location: Toronto.ON

Company

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

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, focusing on scalable microservices and Snowflake-native applications. Collaborate with stakeholders to translate business requirements into secure, performant backend features and data products.

Requirements

Requires a Bachelor's degree in Computer Science or a related field and over 10 years of professional full-stack development experience. Proficiency in Python, FastAPI, and Snowflake is essential, with a strong background in microservices architecture and API design.

Skills

Python
FastAPI
Snowflake
SQL
PostgreSQL
Microservices
REST API
Snowpark
Docker
CI/CD
Git
Cloud Platforms
OAuth2
JWT
Pydantic
OpenAPI

Visa sponsorship

Not detected in the job text

Keywords

Fintech
Payments
Data Platform
FastAPI
Snowflake
Snowpark
Python
SQL
PostgreSQL
Microservices
RESTful API
OpenAPI
Swagger
RBAC
OWASP Top 10
JWT
OAuth2
Docker
Docker Compose
CI/CD
Git
AWS
Azure
GCP
Full Stack Development
Backend Development
Data Engineering
Financial Analytics
Distributed Tracing
Pydantic

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