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Added 11 mins ago
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Site Reliability Engineer
VySystems
Calgary, AB
- Full-time
- Advanced application diagnostics, including analysis of logs, stack traces, memory dumps, query plans, and application metrics.
Added 13 mins ago
Security Technology Analyst
University of Toronto
Toronto, ON
As Security Technology Analyst, you will be responsible for implementing, tuning, and scaling advanced security technologies and AI tools to protect Temerty Faculty of Medicine systems,…
Added 26 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 26 mins ago
XA
Snowflake Data Engineer
xCroTek AI
Open Hall, NL
- Full-time
We are seeking a talented Snowflake Data Engineer with 1–5 years of experience in building and managing modern data pipelines. The ideal candidate should have strong expertise in Snowpipe,…
Added 26 mins ago
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Java Software Engineer
Dexian
Mississauga, ON
- Contract
Hands-on Programming: Write high-quality, production-ready, and performant Java code. Leverage advanced software engineering principles such as Object-Oriented Programming (OOP), SOLID…
Added 26 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 26 mins ago
WI
Senior Environmental Engineer / Geoscientist
WSP in Canada
Toronto, ON
- Full-time
Advanced expertise in environmental site assessment, contaminated sites, remediation, risk assessment, excess soils, and emerging contaminants.
Added 26 mins ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
Apply a data-driven, first-principles approach, leveraging scientific modeling, experimentation, and advanced analytics to understand, predict, and optimize complex physical phenomena.
Added 41 mins ago
MP
Lead Data Engineer
Municipal Property Assessment Corporation
Pickering, ON
- Full-time
…using open source technology, cutting-edge cloud computing, advanced analytics and predictive and machine learning…
Added 41 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 57 mins ago
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Senior Electrical Engineer - Mission Critical & Data Centers
WSP
Toronto, ON
- Full-time
…digital infrastructure across Canada. As a Senior Electrical Engineer, you will provide technical leadership on some of the most complex and innovative data center projects in the industry,…
Added 1 hour ago
Engineering Technologist II
City of Edmonton
AB
…benefits and impacts for discussion of the final solution with the engineer or…
Added 1 hour ago
Canada Tax Technology Group (CTTG) - Manager, AI Adoption & Enablement - Vancouver
EY
Vancouver, BC
We're looking for someone who is not necessarily a traditional developer, data scientist, or AI engineer. We're looking for an innovator, coach, and problem solver who can quickly…
Added 1 hour ago
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Embedded Software Engineer Co-op/Intern
Lumentum
Ottawa, ON · Canada - Ottawa (Bill Leathem)
- Full-time
Position Title: Embedded Software Engineer Co-op/Intern
Added 1 hour ago
BC
Senior Electrical Engineer
Bantrel Co.
Leroy, SK
- Full-time
We are currently seeking a qualified Sr. Electrical Engineer SME to join our Energy team, this position has the opportunity to either be based out of Leroy, SK or work from one of our home…
Added 1 hour ago
AI
Full Stack Engineer
Apptoza Inc.
Toronto, ON
- Contract
Designs, develops, and oversees the implementation of advanced technical solutions, ensuring alignment with business objectives and adherence to best practices, while managing the…
Added 1 hour ago
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Lead AI .Net Developer
Digitive
Canada
- Contract
…serve as the ground-level technical partner to our Lead AI Engineer. While the Lead AI Engineer establishes the architectural vision and transformation roadmap, you will be the core builder…
Added 1 hour ago
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Infrastructure Architect
MethodHub
Toronto, ON
- Contract
The Infrastructure Architect is the senior technical engineer for Client’s server, identity, cloud, and network infrastructure, combining deep hands-on design and engineering with…
Added 1 hour ago
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DSP Firmware Engineer
Nokia
Canada
- Full-time
Develop and test embedded real‑time DSP and control systems for advanced applications, including programming Nokia's Optical Modem ASIC, performing MATLAB and C++ modeling for system…
Added 2 hours ago
WI
Senior Environmental Engineer / Geoscientist
WSP in Canada
Ottawa, ON
- Full-time
Advanced expertise in environmental site assessment, contaminated sites, remediation, risk assessment, excess soils, and emerging contaminants.
Added 2 hours ago
WI
Senior Environmental Engineer / Geoscientist
WSP in Canada
Sudbury, ON · Greater Sudbury, ON
- Full-time
Advanced expertise in environmental site assessment, contaminated sites, remediation, risk assessment, excess soils, and emerging contaminants.
Added 2 hours ago
RD
Full Stack Engineer
Randstad Digital
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Our client is a global leader in advanced manufacturing, dedicated to transforming modern industrial operations through cutting-edge, cloud-based IoT software solutions. By connecting…
Added 2 hours ago
WI
Senior Environmental Engineer / Geoscientist
WSP in Canada
Sudbury, ON · Greater Sudbury, ON
- Full-time
Advanced expertise in environmental site assessment, contaminated sites, remediation, risk assessment, excess soils, and emerging contaminants.
Added 2 hours ago
WI
Senior Environmental Engineer / Geoscientist
WSP in Canada
Kitchener, ON
- Full-time
Advanced expertise in environmental site assessment, contaminated sites, remediation, risk assessment, excess soils, and emerging contaminants.
Added 2 hours ago
A
Software Engineer
ALTEN
Sainte-Anne-de-Bellevue, QC
- Full-time
…provides managed services in application development, Data, AI & Advanced Analytics, and Cybersecurity for the banking, telecommunications, and broader industrial…

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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