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Added 9 mins ago
SOFTWARE ENGINEER III - HYBRID
Green Shield Canada
Toronto, ON
Full stack experience with technologies such as TypeScript, Node.js, React, PostgreSQL, RESTful APIs, and cloud platforms. Experience with GCP, NestJS, NextJS, or similar technologies is an…
Added 9 mins ago
M
Software Engineer - Front End
Microsoft
Vancouver, BC
- Full-time
Design, develop, test, deploy, and operate modern seller-facing UX experiences, with a primary focus on frontend engineering using React, TypeScript, and modern web technologies.
Added 9 mins ago
H
Full Stack Engineer, Client Performance and Management Information (CPMI)
HSBC
Toronto, ON
- Full-time
Ready to modernize an enterprise trade data platform with Node.js and React?
Added 24 mins ago
PC
Senior Business Systems Engineer - 1751 - 175325 - 175490
Piper Companies
ON · Durham, ON
- Full-time
Experience with Python and/or React is preferred.
Added 1 hour ago
GT
iOS Developer
GSPANN Technologies, Inc
Vancouver, BC
- Contract
Familiarity with cross-platform tools like Flutter or React Native is a plus.
Added 2 hours ago
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Front End Developer 2
OLG
Sault Ste. Marie, ON · Toronto, ON · Foster Drive Office
- Full-time
Front-End Developer Level 2 (12 months contract)
Added 2 hours ago
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Quality Technician 3
TTI, Inc.
Georgina, ON · Ontario Service Hub
- Full-time
Able to react to change effectively, handle other tasks and shifts as assigned
Added 2 hours ago
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Senior Software Engineer, Elixir
Clarity
Remote, Canada
- $150,000 to $275,000 CAD / year
- Full-time
- Remote
Strong experience utilizing Typescript and React.
Added 2 hours ago
C
Senior Software Engineer
Clarity
Remote, Canada
- Full-time
- Remote
Hands-on develop features across both frontend and backend, shipping React/TypeScript code from day one.
Added 2 hours ago
Product Marketing Manager
PBS Systems
Calgary, AB
Ability to objectively and effectively assess and react to changing business needs and requests
Added 2 hours ago
Product Marketing Manager
PBS Systems
Calgary, AB
Ability to objectively and effectively assess and react to changing business needs and requests
Added 3 hours ago
VI
Java Full stack with React Developer
VEGA Intellisoft Pvt Ltd
Mississauga, ON
- Full-time
Role : Java Fullstack with React Developer ( 8+ years exp)
Added 3 hours ago
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Back End Developer
Mantu
Montreal, QC
- Full-time
Our client is looking for an Intermediate Back-end Developer to contribute to the modernization of critical business platforms and the evolution of strategic application solutions.
Added 4 hours ago
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Pet Groomer & Salon Trainer
PetSmart
AB · Edmonton, AB
- Full-time
Ability to react under pressure and maintain composure.
Added 4 hours ago
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Sr Principal Developer
Aspen Technology
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
AspenTech is looking for a talented and energetic Developer to join the Enterprise Operations Platform (EOP) organization. In this position, you will be a member of an Agile development…
Added 4 hours ago
K
Sr. UI Developer – React / Angular | GenAI & LLM
Kelly
Mississauga, ON
- Contract
We are looking for a highly experienced Senior UI Developer to design and develop modern, responsive, and scalable web applications. The ideal candidate will have strong front-end…
Added 4 hours ago
Full Stack Engineer, Client Performance and Management Information (CPMI)
HSBC Global Services Limited
Toronto, ON
Ready to modernize an enterprise trade data platform with Node.js and React?
Added 5 hours ago
S
développeur de systèmes d’affaires / Business Systems Developer
Syntronic
Montreal, QC
- Full-time
As a Business Systems Developer, your main responsibilities will include developing new features and supporting existing custom business systems primarily related to manufacturing, supply…
Added 5 hours ago
MU
Web Application Specialist
McGill University
Canada
- Full-time
…the tools and technologies already in place using JavaScript (React/TypeScript), Python, PostgreSQL, Docker and more. Short development cycles will involve small but frequent releases, and…
Added 5 hours ago
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Développeur(euse) Java sénior
CGI
Montreal, QC
- Full-time
…microservices and Kafka based event streaming to modern Angular or React front ends deployed on Azure and…
Added 5 hours ago
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Field Services Specialist
Jolera
Remote, Canada
- Remote
React to onsite outage scenarios as necessary or as assigned by the Service Desk Manager/Field Services Manager
Added 5 hours ago
M
Full-Stack Software Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
…secure, reliable, and maintainable solutions using C#, .NET, F#, React, microservices, and Azure Kubernetes Service (AKS). This role offers the opportunity to work with complex business and…
Added 5 hours ago
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Assistant Store Manager - Customer Experience
PetSmart
Grande Prairie, AB
- Full-time
Ability to react under pressure and maintain composure.
Added 5 hours ago
Manager, Agent Development, Applied AI
Google
Toronto, ON · Waterloo, ON
Experience designing end-to-end secure, observable multi-agent systems using design patterns (ReAct, self-reflection), state management, and tool-calling protocols.
Added 5 hours ago
J
Field Services Specialist
Jolera
Ottawa, ON
- $55,000 to $60,000 CAD / year
- Full-time
React to onsite outage scenarios as necessary or as assigned by the Service Desk Manager/Field Services Manager

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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