Jobs in Canada

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Added 26 days ago
H
Application Developer
Hays
ON · Ontario, Canada
- $70 to $75 CAD / hour
- Contract
Seeking a Senior Software Engineer with experience in software development, cloud engineering, DevOps, and data platforms. The role involves building enterprise applications and APIs,…
Added 26 days ago
MC
Coherent Optical Systems Engineer (35886)
Myticas Consulting
Ottawa, ON · Kanata, ON
- Full-time
This role requires close collaboration across optical, digital, high-speed analog, ASIC, software, and systems engineering teams. A key aspect of the position is the ability to understand…
Added 26 days ago
D
Business Analyst
Dexian
Toronto, ON · Greater Toronto Area, Canada
- Contract
Read, write, and analyze Python and SQL code to support data analysis, validation, and business problem-solving.
Added 26 days ago
R
Senior Software Engineer – Cloud & Data Platforms
Raise
Toronto, ON
- Contract
Work Arrangement: Hybrid, onsite 2 days per week (3 days optional)
Added 26 days ago
M
Principal AI Software Engineer
Mphasis
Toronto, ON
- Full-time
5+ years of overall experience in software development, cloud engineering, data engineering, or AI/ML.
Added 26 days ago
TC
Artificial Intelligence Engineer
TMC Canada
Montreal, QC
- Full-time
Technical Stack: Proficiency in Python and experience building APIs, integrations, and enterprise applications; working knowledge of LLMs, prompt engineering, embeddings, vector databases,…
Added 26 days ago
C
AI Inference Core - Infrastructure SW Engineer
Cerebras
Toronto, ON
- Full-time
You will work on Python frameworks, orchestration systems, distributed execution, scheduling, test infrastructure, and developer tooling. You will help define the architecture and APIs that…
Added 26 days ago
MC
Network Engineer (35135)
Myticas Consulting
Ottawa, ON
- Full-time
The Network Service Engineer will work closely with Commercial, Product, Sales Engineering, Customers, Network Engineering, and external contractor teams to provide technical guidance on…
Added 26 days ago
C
Frontier Engineer (Agentic_AI) - Canada
Cognizant
Toronto, ON
- Full-time
Bachelor's degree in Computer Science, Software Engineering, Information Systems, Data Science, Engineering, Cyber Security, Mathematics, or a related technical discipline.
Added 26 days ago
C
Frontier Engineer (Agentic_AI) - Canada
Cognizant
Toronto, ON
- Full-time
Bachelor's degree in Computer Science, Software Engineering, Information Systems, Data Science, Engineering, Cyber Security, Mathematics, or a related technical discipline.
Added 26 days ago
MC
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL (35729)
Myticas Consulting
Ottawa, ON
- Full-time
This is a senior, hands-on quality engineering role focused on automation framework development, API and backend testing, Kafka/event-driven testing, ETL and data pipeline validation,…
Added 26 days ago
AI
Lead Full Stack with AI
Apptoza Inc.
Toronto, ON
- Contract
You will be responsible for working closely with AI data scientists to support data ingestion and feature engineering, establishing industry best practices, maintaining and managing…
Added 26 days ago
AI
Lead Full Stack with AI
Apptoza Inc.
Toronto, ON
- Contract
You will be responsible for working closely with AI data scientists to support data ingestion and feature engineering, establishing industry best practices, maintaining and managing…
Added 26 days ago
JF
Software Developer I
Jeppesen ForeFlight
Montreal, QC
- Full-time
Software Developer Hybrid from our downtown Montreal office
Added 26 days ago
VR
Systems Integration Architect
Venterra Realty
Richmond Hill, ON
- Full-time
Reporting to the Director, Data Engineering, this role will serve as the technical authority for how commercial enterprise applications interact, exchange information, and support business…
Added 26 days ago
Verification and Validation Developer - Infrastructure & Automation
Octasic
Montreal, QC
You will work closely with the following teams to create reliable, automated, and data-driven validation ecosystems supporting advanced communication platforms and mission-critical…
Added 26 days ago
S
Senior QA Automation Engineer / Lead – eCommerce Payments
Simpliigence
Canada
- Contract
Perform backend validation using SQL to verify transaction data and order processing
Added 26 days ago
J
Associate Software Engineer - International
Justworks
Toronto, ON
- $109,000 to $136,000 CAD / year
- Full-time
…focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in…
Added 26 days ago
A
Senior Software Engineer
AspiringIT
Kitchener, ON
- Full-time
The successful candidate will work on software architecture, backend applications, APIs, data-intensive systems, cloud platforms, system integration, testing, and performance optimization.
Added 26 days ago
R
Energy Management System Software Developer
Raise
Calgary, AB
- Full-time
The Energy Management System Software Developer will be an integral part of the greater Operation Systems department, the EMS Management team and is primarily accountable for maintaining…
Added 26 days ago
NC
Business Systems Developer
Newfoundland Capital Corporation Limited
Montreal, QC
- Full-time
We are currently looking for a Business Systems Developer to join our digital transformation team. This position reports to the Head of Digital Transformation.
Added 26 days ago
D
Engineering Team Lead - Delo
Deloitte
Toronto, ON
- Full-time
10+ years of software engineering experience, with strong front-end work in React/Next.js and back-end experience in Python/FastAPI or another modern web framework.
Added 26 days ago
IC
Senior Application Developer
Infotek Consulting Inc.
Toronto, ON
- $60 to $74 CAD / hour
- Contract
Our client, a leading Canadian financial institution, is looking for a Senior Application Developer to join a data and digital engineering team. The team owns the applications behind…
Added 26 days ago
C
Lead Performance Engineer
Collabera
Toronto, ON
- $60 to $69 CAD / hour
- Contract
Apply specialized Python programming and scripting skills to support test automation, data processing, an
Added 26 days ago
VR
Systems Integration Architect
Venterra Realty
Richmond Hill, ON
- Full-time
Reporting to the Director, Data Engineering, this role will serve as the technical authority for how commercial enterprise applications interact, exchange information, and support business…

Apptoza Inc.

Lead Full Stack with AI

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 14, 2026
Experience: 7+ years of backend development experience in Java or Python
Posting language: English
Posted: Oct 15, 2026

Original job description

Job Title: Java Full Stack Developer

Location: Toronto, ON

Duration: Contract (Hybrid)

Requirement: Immediate

Job Description

As a Staff Engineer supporting the ADT - CODI program within Operations Technology, you will lead the technical design, development, and implementation of complex, multi-platform application software solutions, applying advanced expertise and knowledge to deliver innovative and strategic business outcomes. Leads software development projects of significant complexity, applying advanced expertise and knowledge to deliver impactful results.

What Will You Do?

Designs, develops, and oversees the implementation of advanced technical solutions, ensuring alignment with business objectives and adherence to best practices, while managing the end-to-end technical delivery of projects.

Build Gen AI system frameworks, Prompt Engineering, including designing and refining prompts to optimize LLM outputs, implementing Gen AI systems into production.

Leads development teams in the delivery of capabilities, providing technical direction and guidance to junior developers and team members and ensuring the successful execution of complex assignments and projects

Collaborates with business stakeholders and product owners to translate strategic objectives into actionable technical solutions, leveraging advanced knowledge to address unique and high impact challenges.

You will be responsible for working closely with AI data scientists to support data ingestion and feature engineering, establishing industry best practices, maintaining and managing technical documentations.

Executes on software development tasks or projects, requiring advanced problem solving, decision making and strategic thinking with some ambiguity.

Drives decisions on complex issues to develop clear, actionable recommendations for management, ensuring alignment on processes, tools and services with impact across other areas.

Leverages advanced and creative skills to resolve complex software development related problems, fostering cross functional collaboration to identify and implement innovative solutions.

• Leads and facilitates cross functional collaboration efforts, fostering strong internal relationships across the organization and external partnerships to achieve impactful business outcomes.

What Do You Need to Succeed?

Must Have:

7+ years of backend development experience in Java or Python

Strong backend development experience in Java or Python, including REST API and microservices

Strong experience with React and modern frontend development, including Micro-frontend (MFE) architectures and reusable UI components

Hands-on experience or strong understanding of Agentic AI concepts, LLM integrations

Understanding of prompt engineering and Gen-AI Development tools (GitHub Copilot, Windsurf, Claude Code)

Experience with Cloud platforms and technologies (OpenShift, Kubernetes, S3 Object Storage)

• Experience working with relational databases particularly PostgreSQL, including schema design, query optimization and performance tuning.

Nice-to Have:

Experience with Spec-driven Development

Experience in Camunda 8 development and customization

Experience with Vector Databases

Understanding of RAG architectures

Strategic thinker with excellent interpersonal skills to work across functions and businesses

Apply on LinkedIn About employer

More about this job

Responsibilities

Lead the technical design, development, and delivery of complex software solutions, including backend and frontend capabilities and production generative AI systems. Guide development teams, collaborate with stakeholders and AI data scientists, and establish technical practices for data ingestion, feature engineering, and documentation.

Requirements

Requires 7+ years of backend development experience with Java or Python, strong REST API and microservices skills, and experience with React, micro-frontend architectures, and cloud technologies. Candidates should also have experience or strong understanding of agentic AI and LLM integrations, prompt engineering, and PostgreSQL; experience with spec-driven development, Camunda 8, vector databases, and RAG is an advantage.

Skills

Java
Python
REST APIs
Microservices
React
Micro-Frontend Architectures
Agentic AI
LLM Integration
Prompt Engineering
Generative AI
OpenShift
Kubernetes
S3 Object Storage
PostgreSQL
Camunda 8
RAG Architectures

Visa sponsorship

Not detected in the job text

Keywords

Java
Python
REST APIs
Microservices
React
Micro-Frontend Architectures
Reusable UI Components
Agentic AI
Large Language Models
LLM Integration
Prompt Engineering
Generative AI
GitHub Copilot
Windsurf
Claude Code
OpenShift
Kubernetes
S3 Object Storage
PostgreSQL
Schema Design
Query Optimization
Performance Tuning
Spec-Driven Development
Camunda 8
Vector Databases
RAG Architectures
Data Ingestion
Feature Engineering
Cloud Platforms
Technical Leadership

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Jobs in Canada