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Added 12 days ago
AI
Python Developer
Apptoza Inc.
Toronto, ON
- Full-time
Strong hands-on data discovery skills, including profiling unfamiliar client data with Python, pandas, PySpark, and SQL; assessing coverage and quality; and quantifying volumes,…
Added 12 days ago
RC
Quality Engineer (QE) / SDET – AI Chatbot Validation
Realtek Consulting LLC
Toronto, ON
- Contract
We are looking for an experienced Quality Engineer / SDET with strong test automation skills and hands-on experience validating AI-powered chatbots, LLMs, Generative AI applications, or…
Added 12 days ago
AI
Python /Pyspark Developer
Atlantis IT Group
Toronto, ON
- Full-time
Strong hands-on data discovery skills, including profiling unfamiliar client data with Python, pandas, PySpark, and SQL; assessing coverage and quality; and quantifying volumes,…
Added 13 days ago
Data Scientist, Growth (12 month contract)
EQ Bank | Canada's Challenger Bank
Toronto, ON
We've been at this since 1970, challenging the conventions of traditional banking with smarter, faster, and more connected financial experiences.
Added 13 days ago
T
Senior Analyst, Marketing Delivery
TD
Toronto, ON
- Full-time
As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.
Added 13 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 13 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 13 days ago
BI
GitHub Lead / Python Developer
BURGEON IT SERVICES
Toronto, ON · Greater Toronto Area, Canada
- Contract
Desired Skills: Python Developer, GitHub Lead
Added 13 days ago
ZS
Chatbot Content Developer
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Job TitleChatbot Content Developer – Documentation Modernization & AI EnablementKey Roles & Responsibilities• Review, analyze, and improve technical documentation used as chatbot knowledge…
Added 13 days ago
EB
Data Scientist, Growth (12 month contract)
EQ Bank
Toronto, ON
- Contract
We've been at this since 1970, challenging the conventions of traditional banking with smarter, faster, and more connected financial experiences.
Added 13 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 13 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 13 days ago
C
Consultant, Databricks Developer
CIBC
Toronto, ON
- Full-time
You will be joining the enterprise technology team within CIBC. As the Consultant, Data Developer you are responsible for leading the planning, technical design, development, and…
Added 13 days ago
P
Institutional Account Associate – Client Management & Analytics (Toronto)
PIMCO
Toronto, ON
- Full-time
PIMCO is a global leader in active fixed income with deep expertise across public and private markets. We invest our clients’ capital across a range of fixed income and credit…
Added 13 days ago
TD
DevOps Engineer
Time Doctor
Remote, Canada
- Contract
- Remote
Remote, Latin America (minimum 4-hour overlap with US Eastern hours) | Engineering | Reports to: Technical Lead
Added 13 days ago
HI
Senior Analyst, Investment Analytics and AI Automation
Hillsdale Investment Management Inc.
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Python and Automation Expertise: Serve as the IIS Team’s Lead Python and Automation Specialist and subject matter expert for automation, collaborating with Hillsdale’s engineering teams and…
Added 13 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 13 days ago
BI
Java Full Stack Developer
BURGEON IT SERVICES
Toronto, ON
- Contract
Develop and integrate web applications with backend microservices.
Added 13 days ago
UC
Data Engineer
UniSysTech Consulting
Toronto, ON · Greater Toronto Area, Canada
- Contract
Strong proficiency in Python for data manipulation and automation scripts.
Added 13 days ago
I
Site Reliability Engineer
i3D.net
Montreal, QC
- Full-time
Experience with scripting, automation, and version control systems, including Ansible, Python, Go, YAML, and Git
Added 13 days ago
B
Senior DevOps Engineer
BuzzClan
Toronto, ON
- Contract
The successful candidate must demonstrate strong expertise in cloud infrastructure automation, container orchestration, AWS networking, identity and access management, encryption,…
Added 13 days ago
LI
Maximo Developer
LanceSoft, Inc.
Calgary, AB
- Contract
Develop automation scripts using Jython/Python to automate business processes.
Added 13 days ago
JG
Playwright QA Specialist
J&M Group
Toronto, ON
- Contract
Minimum 3 years of hands-on Playwright automation experience.
Added 13 days ago
C
Digital S/W Engineering Product Lead Analyst, Vice President
Citi
Mississauga, ON
- Full-time
Hands-on background in software development with proficiency in at least one modern language (Java, Python).
Added 13 days ago
C
Technology Lead Analyst – Infrastructure Orchestration
Citi
Mississauga, ON
- Full-time
This role sits at the intersection of platform engineering and infrastructure automation, requiring a deep technical practitioner who can both architect scalable solutions and contribute…

Apptoza Inc.

Python Developer

Toronto, ON, Canada

Full-time

Apply About employer

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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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