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Added 4 mins ago
I
Data Engineer
InfoFarm
Engineer, BC
- Full-time
Added 4 mins ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Ottawa, ON
- $96,557 to $128,743 CAD / year
- Full-time
To strengthen our delivery capabilities, the Digital Platforms group is seeking a Senior Developer with specialized expertise in Artificial Intelligence (AI) to help establish and advance…
Added 4 mins ago
RC
Sales Clerk - Front Shop
Rexall Care Network
Milton, ON
- Full-time
Added 4 mins ago
FG
Project Coordinator
Flynn Group of Companies
AB · Edmonton, AB
- Full-time
Added 4 mins ago
RC
Pharmacy Assistant
Rexall Care Network
Surrey, BC
- Full-time
Added 4 mins ago
RC
Assistant Store Manager
Rexall Care Network
Alliston, ON
- Full-time
Added 4 mins ago
RC
Pharmacy Assistant
Rexall Care Network
Ancaster, ON
- Full-time
Added 4 mins ago
SS
Azure Infrastructure Engineer
Sonata Software North America Inc.
Toronto, ON
- Full-time
Added 4 mins ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Calgary, AB
- $96,557 to $128,743 CAD / year
- Full-time
To strengthen our delivery capabilities, the Digital Platforms group is seeking a Senior Developer with specialized expertise in Artificial Intelligence (AI) to help establish and advance…
Added 4 mins ago
PP
Project Engineer (Battery Energy Storage)
Peak Power Inc
Toronto, ON
- Full-time
Added 4 mins ago
SS
Project Estimator (Residential)
Summit Search Group
Winnipeg, MB
- Full-time
Added 4 mins ago
RC
Sales Clerk - Front Shop
Rexall Care Network
Sarnia, ON
- Full-time
Added 4 mins ago
RC
Sales Clerk - Front Shop
Rexall Care Network
London, ON
- Full-time
Added 4 mins ago
I
Senior Systems Engineer
illumin
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Added 4 mins ago
C
Senior Specialist Procurement Category-IT
CN
Quebec, QC
- Full-time
Added 4 mins ago
S
Business Development Manager, Long-Term Care
Skinopathy
Toronto, ON
- Full-time
Added 4 mins ago
C
Creator Support & Community Coordinator
Creator.co
Vancouver, BC
- $50,000 to $57,000 CAD / year
- Full-time
Added 4 mins ago
T
Senior Business Systems Analyst (Treasury Technology)
TD
Toronto, ON
- Full-time
Added 4 mins ago
A
Director, Player Experience Research
Affinity
Burnaby, BC
- Full-time
Added 4 mins ago
T
Spécialiste principal(e) DevOps | Senior DevOps Specialist
TAIT
Montreal, QC
- Full-time
Added 4 mins ago
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Programmer
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
Added 4 mins ago
C
Specialist Solution Management-CA
CN
AB · Edmonton, AB
- Full-time
Added 4 mins ago
B
Senior Consultant - Commercial Operations & Analytics
Beghou
ON · Durham, ON
- Full-time
Added 4 mins ago
1L
Python Developer
1ST-RECRUIT LLC, An E-Verified Company
Mississauga, ON
- Full-time
At least 8 years of experience as Python Developer.
Added 6 mins ago
Digital Project Manager
Zulu Alpha Kilo
Toronto, ON

Closed listing

Apptoza Inc.

Full Stack Engineer

Toronto, ON, Canada

Contract

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Job type: Contract
Closing date: Nov 5, 2026
Experience: 7+ years of backend development experience in Java or Python
Posting language: English
Posted: Oct 6, 2026

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Original job description

Archived listing. The details below describe a past opening.

Position: Full stack Developer

Location: Toronto, ON (4 days onsite)

Contract: Long Term

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

About employer

More about this job

Responsibilities

Design and deliver advanced full-stack solutions, including backend services, React interfaces, and production-ready generative AI systems, while ensuring alignment with business objectives and technical best practices. Lead and guide development teams, collaborate with stakeholders and AI data scientists, and support data ingestion, feature engineering, documentation, and cross-functional delivery.

Requirements

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

Skills

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

Visa sponsorship

Not detected in the job text

Keywords

Java
Python
Backend Development
REST APIs
Microservices
React
Micro-Frontend Architectures
Reusable UI Components
Agentic AI
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

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