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Added 12 mins ago
ZB
AUDIO ENGINEER/TECHNICIAN
Zeo Brothers Rental/Retail
Engineer, BC
- Full-time
The position of A1, A2, or A3 Audio Engineer requires an experienced technician to work on an event/job site. This person must demonstrate both technical abilities, crew leadership skills,…
Added 13 mins ago
SD
Full Stack AI Engineer
Symbiotic Digital
ON · Downtown Toronto (Central Bay Street), Ontario
- Contract
We are seeking a Full Stack AI Engineer with demonstrated
Added 13 mins ago
Security Technology Analyst
University of Toronto
Toronto, ON
Experience analyzing logs, alerts, endpoint telemetry, network events, authentication events, and system activity to support threat detection, incident triage, and remediation
Added 27 mins ago
VC
Senior Temporary Works Inspector H/F
VINCI Construction Grands Projets Hellas S.A.
Toronto, ON · Greater Toronto Area, Canada
- Temporary
…deep-water intake in Lake Ontario to improve the plant's cooling system. This will involve a 1.5 km-long tunnel, built by a pressurized TBM (10.5 m diameter slurry…
Added 27 mins ago
P
Lead DevOps Engineer
Perceptic
Engineer, BC
- Full-time
The highest calling for AI is improving human health. At Perceptic, we're building the AI operating system that powers drug discovery - a unified intelligence layer that connects evidence,…
Added 27 mins ago
P
Senior AI Engineer
Perceptic
Engineer, BC
- Full-time
The highest calling for AI is improving human health. At Perceptic, we're building the AI operating system that powers drug discovery - a unified intelligence layer that connects evidence,…
Added 27 mins ago
P
Senior DevOps Engineer
Perceptic
Engineer, BC
- Full-time
The highest calling for AI is improving human health. At Perceptic, we're building the AI operating system that powers drug discovery: a unified intelligence layer that connects evidence,…
Added 27 mins ago
CE
Mechanical HVAC/Cooling Engineer (Data Center Design)
Colm Engineering Ltd
Vaughan, ON
- Full-time
We are seeking a highly skilled and experienced Mechanical HVAC/Cooling Engineer to join our team. This individual will be responsible for designing and implementing HVAC systems and fire…
Added 27 mins ago
D
Java Software Engineer
Dexian
Mississauga, ON
- Contract
…distributed systems. You will play a crucial role in analyzing system requirements, designing data flows, and ensuring clean, maintainable, and highly efficient code. This role demands deep…
Added 27 mins ago
HT
Product Development Engineer
Husky Technologies
Bolton, ON
- Full-time
Our Development Engineering team is looking to hire an experienced Product Development Engineer. The successful candidate will lead the technical development of packaging products working…
Added 27 mins ago
KR
Full Stack Engineer
KTek Resourcing
Canada
- Full-time
REST API design and external system integrations
Added 27 mins ago
L
Senior QA Automation Engineer – Cypress
LTM
Mississauga, ON
- $103,554 to $115,200 CAD / year
- Full-time
Title: Senior QA Automation Engineer – Cypress
Added 28 mins ago
A
Software Engineer (.NET / C# and AI/IoT)
Artelia
Montreal, QC
- Full-time
As a Software Engineer (.NET / C# and AI/IoT) within the Telecommunications team, you will:
Added 42 mins ago
MP
Lead Data Engineer
Municipal Property Assessment Corporation
Pickering, ON
- Full-time
Please note, only applications submitted through the Applicant Tracking System will be accepted.
Added 42 mins ago
T
Software Engineer II (Java/Spring)
TD
Toronto, ON
- Full-time
Document and verify system components, applications, system infrastructure, security, integration, operability and engineering related architecture designs associated with a program or…
Added 42 mins ago
Y
z/OS Automation Engineer
Yochana
Canada
- Contract
We are looking for an experienced Senior z/OS Automation Engineer with strong expertise in IBM Z mainframe operations, automation, and system management. The successful candidate will have…
Added 42 mins ago
AI
Staff Engineer
Atlantis IT Group
Toronto, ON
- Contract
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…
Added 42 mins ago
RT
Electrical Engineer
Rio Tinto
Labrador City, NL
- Full-time
We are looking for an Electrical Engineer to support Technical Services by maintaining, developing and implementing engineering standards, systems and tools that enhance the reliability,…
Added 42 mins ago
KS
Lead Mechanical Engineer
Keynote Search
Ottawa, ON
- $100,000 to $110,000 CAD / year
- Full-time
…the organization is seeking an ambitious, hands-on Mechanical Engineer / Department Lead who will take ownership of this mechanical discipline locally, and set the department up for…
Added 42 mins ago
ZL
Lead of Launch Management 73621
ZF LIFETEC
Midland, ON
- Full-time
Ensure a functional, ergonomically sound, practical work cell design/layout/environment. Assist Tooling, Manufacturing engineer, Quality Engineer and the rest of the team with design and…
Added 42 mins ago
LT
Account Manager
Longterm Technology Services
London, ON
- Full-time
Identify new business opportunities, manage a robust sales pipeline, and maintain accurate records of communication and activities within our CRM system.
Added 42 mins ago
AS
Cloud DevOps Engineer
Alquemy Search & Consulting
Vancouver, BC
- Full-time
We are seeking a skilled Cloud DevOps Engineer to join a high-performing engineering team responsible for building, scaling, and maintaining modern cloud infrastructure supporting…
Added 42 mins ago
B
Data Engineer/Technical Architect
BullTechSystem
Toronto, ON
- Full-time
Develop conceptual, logical, and physical data models to support operational and anlytical system.
Added 43 mins ago
VA
Chief Systems Engineer
Volatus Aerospace
Mirabel, QC
- Full-time
We are seeking a Chief Systems Engineer to lead systems engineering activities across a major aerospace platform program, ensuring architecture, requirements, interfaces, and verification…
Added 58 mins ago
TT
Electrical Commissioning Specialist / Lead – Sarnia, ON
TWD Technologies Ltd.
Sarnia, ON
- Contract
Support system turnover and ensure commissioning documentation is complete, accurate, and traceable.

Apptoza Inc.

Full Stack Engineer

Toronto, ON, Canada

Contract

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Job details

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

Original job description

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

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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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