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Added 4 days ago
LM
Actuarial Co-Op Student (May 2027 Start Date)
Liberty Mutual Canada
Remote, Canada
- $24 to $41 CAD / hour
- Contract
- Remote
Added 4 days ago
AC
Operations Excellence and Business Process Analyst
Air Canada
Toronto, ON
- Full-time
…reporting that Flight Operations relies on, using tools such as SQL, Snowflake, Power BI and Python, and ensures that operational and regulatory data is accurate, consistent and well…
Added 4 days ago
VS
Full Stack Developer (Java/React)
vTech Solution Canada
Toronto, ON
- Contract
Title: Full Stack Software Developer (Java/React)
Added 4 days ago
SI
Senior Business Analyst - Government/Public-Sector project Experience
Siri InfoSolutions, Inc.
ON · Ontario, Canada
- Contract
Added 4 days ago
M
Web Developer (.NET)
Merrithew®
Toronto, ON · Scarborough, ON
- $70,000 to $75,000 CAD / year
- Contract
Reports to: Senior Web Developer, Information Technology
Added 4 days ago
V
Lead Software Engineer
Virtusa
Halifax, NS
- Full-time
▪ Proficiency in SQL, dealing with big data processing
Added 4 days ago
TC
SQL Developer
Tata Consultancy Services
Toronto, ON
- $90,000 to $120,000 CAD / year
- Full-time
Design, develop, and maintain complex SQL queries, stored procedures, functions, and database objects.
Added 4 days ago
C
Software Application Developer
CGI
Halifax, NS
- Full-time
…the country. CGI is seeking an Intermediate/Senior Software Developer with core banking application development experience to join our Retail Financial System (RFS) Banking team. In this…
Added 4 days ago
AI
Python Developer
Apptoza Inc.
Toronto, ON
- Full-time
Strong hands-on expertise in Python, PySpark, SQL, REST APIs, FastAPI, and enterprise application integration.
Added 4 days ago
AI
Python /Pyspark Developer
Atlantis IT Group
Toronto, ON
- Full-time
Strong hands-on expertise in Python, PySpark, SQL, REST APIs, FastAPI, and enterprise application integration.
Added 4 days ago
C
Engineer (Python/AWS + Azure/React) (Senior/NewGrad)
Caddie
Toronto, ON
- Full-time
Added 4 days ago
Middle/Senior Forward Deployed Engineer (Python, AI)
Exadel
Canada
Advanced proficiency in Python, along with experience using TypeScript or JavaScript and SQL.
Added 4 days ago
Data Scientist, Growth (12 month contract)
EQ Bank | Canada's Challenger Bank
Toronto, ON
Added 4 days ago
TH
SR FINANCIAL ANALYST CANADA, Cost analytics
The Home Depot
Canada
- Full-time
Experience running queries against data (preferably with Google BigQuery or SQL)
Added 4 days ago
H(
Investment Data Governance Analyst
HOOPP (Healthcare of Ontario Pension Plan)
Toronto, ON · CA ON Toronto
- $71,000 to $109,000 CAD / year
- Full-time
Added 4 days ago
T
Mainframe Test Analyst
TD
Toronto, ON
- Full-time
Apply hands-on experience in Java, SQL, Selenium, code reviews, and automation.
Added 4 days ago
T
Senior Analyst, Marketing Delivery
TD
Toronto, ON
- Full-time
Knowledge of Python, PySpark, SQL, databases, data structures, vendor requirements, and file format requirements.
Added 4 days ago
V
Lead Software Engineer
Virtusa
Halifax, NS
- Full-time
 Strong SQL skills, with experience in handling big data using ETL tools (e.g.,
Added 4 days ago
V
Lead Software Engineer
Virtusa
Halifax, NS
- Full-time
Data Quality Reporting Developer with min 7+ years of IT experience having strong
Added 4 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 4 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 4 days ago
ZC
Full Stack Developer (Java/JavaScript)
Ztek Consulting
Montreal, QC
- Full-time
I would like to share an excellent opening Contact “Full Stack Developer (Java/JavaScript) do go through the details and kindly send me the updated resume.
Added 4 days ago
A
Bioinformatics / Computational Biologist
Augmented
Toronto, ON
- Full-time
Added 4 days ago
EB
Data Scientist, Growth (12 month contract)
EQ Bank
Toronto, ON
- Contract
Added 4 days ago
HC
Director of Marketing Technology
Havas CX Canada
Toronto, ON
- Full-time
Review configurations, campaign logic, SQL and data flows, contributing hands-on when needed to investigate issues and validate fixes.

Apptoza Inc.

Python Developer

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Nov 22, 2026
Experience: 10+ years of experience in Data Engineering, AI Application Development, Cloud Data Platforms, and Production-grade Software Engineering.
Posting language: English
Posted: Oct 23, 2026

Original job description

Position: Python /Pyspark Developer

Location: Toronto, ON (2-4 days hybrid)

Work Type: Full time

Requirement:

10+ years of experience in Data Engineering, AI Application Development, Cloud Data Platforms, and Production-grade Software Engineering.

Strong hands-on expertise in Python, PySpark, SQL, REST APIs, FastAPI, and enterprise application integration.

Experience designing and building AI-powered applications using Claude, Prompt Engineering, Retrieval-Augmented Generation (RAG), Vector Databases, Semantic Search, and Agentic AI patterns.

Deep understanding of Data Engineering frameworks, including ETL/ELT, batch and streaming pipelines, data quality, metadata management, lineage, observability, and DataOps practices.

Experience implementing and operationalizing MLOps / LLMOps capabilities including model lifecycle management, CI/CD pipelines, MLflow, monitoring, deployment automation, rollback, and production support.

Strong knowledge of cloud and modern data platforms, including compute, storage, integration, orchestration, security, networking, monitoring, and cost optimization services.

Hands-on experience with Git, Docker, Kubernetes, Airflow, MLflow, CI/CD, and distributed data processing frameworks.

Strong understanding of enterprise security and governance principles, including IAM/RBAC, encryption, secrets management, privacy controls, auditability, compliance, and secure data access.

Bachelor's degree in computer science, Engineering, Information Systems, Data Management, or a related discipline.

Preferred certifications in Cloud Platforms, Kubernetes, AI Engineering, MLOps, Data Engineering, Enterprise Architecture, Security, or Program Delivery

Strong hands-on data discovery skills, including profiling unfamiliar client data with Python, pandas, PySpark, and SQL; assessing coverage and quality; and quantifying volumes, distributions, edge cases, and business-process gaps before development.

Ability to rapidly build thin working solutions using real client data and APIs, validate them with users, and iteratively harden them with automated tests, security controls, error handling, observability, and production support procedures.

Experience creating business-relevant evaluation datasets with client SMEs, measuring ML or LLM quality, performing structured error analysis, grouping failures by root cause, and prioritizing improvements across releases.

Ability to measure user adoption and business impact after launch using usage data and agreed KPIs such as time saved, error reduction, straight-through processing, quality improvement, or productivity gains

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More about this job

Responsibilities

Design and build production-grade data engineering and AI applications, including data pipelines, API integrations, and AI-powered solutions. Operationalize and support MLOps and LLMOps capabilities, while evaluating solution quality, improving releases, and measuring user adoption and business impact.

Requirements

Requires 10+ years of experience in data engineering, AI application development, cloud data platforms, and production-grade software engineering, with hands-on expertise in Python, PySpark, SQL, APIs, and modern data and AI tools. A bachelor's degree in computer science, engineering, information systems, data management, or a related discipline is required; relevant certifications are preferred.

Skills

Python
PySpark
SQL
REST APIs
FastAPI
Data Engineering
Artificial Intelligence
Retrieval-Augmented Generation
Vector Databases
Semantic Search
MLOps
LLMOps
Cloud Data Platforms
Kubernetes
DataOps
Enterprise Security

Visa sponsorship

Not detected in the job text

Keywords

Python
PySpark
SQL
REST APIs
FastAPI
Claude
Prompt Engineering
Retrieval-Augmented Generation
Vector Databases
Semantic Search
Agentic AI
ETL/ELT
Batch Processing
Streaming Pipelines
Data Quality
Metadata Management
Data Lineage
DataOps
MLOps
LLMOps
MLflow
Git
Docker
Kubernetes
Airflow
CI/CD
Distributed Data Processing
IAM/RBAC
Data Governance
Data Profiling

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