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Added 8 mins ago
T
Associate – Front Office Quant Engineer
TD
Toronto, ON
- Full-time
As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.
Added 8 mins ago
C
Engineering Lead Analyst - VP
Citi
Mississauga, ON
- Full-time
…hardware, software and network infrastructure in coordination with the Technology team. The overall objective of this role is to lead efforts to ensure quality standards are being met…
Added 8 mins ago
C
Engineering Lead Analyst - VP
Citi
Mississauga, ON
- Full-time
…hardware, software and network infrastructure in coordination with the Technology team. The overall objective of this role is to lead efforts to ensure quality standards are being met…
Added 9 mins ago
KC
Site Reliability Engineer
KPMG Canada
Vaughan, ON
- Full-time
Other software development experience, including scripting with Ruby, Python, Bash, PowerShell, and Java
Added 24 mins ago
GM
Senior Software Engineering - Protocol Operations & Trust
General Motors
Markham, ON
- Full-time
General Motors is a global leader in advanced driver assistance. With Super Cruise hands-free technology in more than 750,000 Super Cruise-equipped vehicles on the road and over 1 billion…
Added 24 mins ago
SS
Security Operations Team Lead
Safe Software
Remote, Canada
- $126,000 to $137,000 CAD / year
- Full-time
- Remote
…Security Operations Engineers who deliver that work, starting with a small team and growing it as the function…
Added 24 mins ago
RF
Creature FX Artist - Expression of Interest
Rodeo FX
Montreal, QC
- Full-time
…creatures and characters across our projects. Working closely with leads, supervisors, and colleagues from other departments, they develop robust setups for hair, fur, clothing, feathers,…
Added 37 mins ago
BC
Senior Manager, Data & AI
BDO Canada
Vancouver, BC
- Full-time
Previous hands-on experience as a technical delivery professional, architect, developer, data engineer, analytics leader, or similar role, with the ability to remain technically credible…
Added 37 mins ago
IS
Senior Python Developer
Iris Software Inc.
Toronto, ON · Greater Toronto Area, Canada
- Contract
8+ years production Python; services and batch jobs you were personally on call for
Added 38 mins ago
CS
Java developer
Cyber Space Technologies LLC
Montreal, QC
- Full-time
Experience with Git and version control systems.
Added 38 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 40 mins ago
Assistant Professor, Philosophy, Tenure Track
University of Guelph
Guelph, ON
…university. The Philosophy Department has 17 full-time faculty with teaching and research interests that span the discipline. We have an established graduate program, offering MA and PhD…
Added 54 mins ago
AC
AI Developer – Actuarial Tools & Automation (PathWise)
Aon Corporation
Toronto, ON
- Full-time
As an AI Developer – Actuarial Tools & Automation (PathWise) within Aon Life Solutions, you will help design, develop, and deliver innovative Generative AI solutions that support actuarial…
Added 54 mins ago
DG
Senior Software Developer I
Dahrouge Geological Consulting Ltd.
AB · Edmonton, AB
- Full-time
· Work with the lead developer to shape the technical roadmap and identify technical debt worth paying down.
Added 54 mins ago
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Principal Optical Engineer
Nokia
Ottawa, ON
- Full-time
…enablement, and ongoing performance sustainment, partnering with DSP, hardware, firmware, test, and manufacturing…
Added 1 hour ago
C
Software Engineer, Vice President
Citi
Mississauga, ON
- Full-time
We are a diverse group of professionals with backgrounds in Physics, Engineering and Computer Science. You will work alongside experienced colleagues to further develop your analytical and…
Added 1 hour ago
C
Software Developer Coop
CAE
Montreal, QC
- Full-time
As an intern within the Developer Platform team, you may contribute to different types of initiatives related to agentic AI, automation, development platforms, and the improvement of…
Added 1 hour ago
C
Stagiaire - Intelligence artificielle
CAE
Montreal, QC
- Full-time
- Maîtrise des langages de programmation tels que Python, Java ou C++.
Added 1 hour ago
P
Senior AI Engineer
Perceptic
Engineer, BC
- Full-time
Our stack is React and TypeScript on the front end, Java and Python services behind it, and an agent layer built on durable, fault-tolerant workflows that reason over scientific data…
Added 1 hour ago
NG
Artificial Intelligence Management Consultant
NCS Group
Toronto, ON
- Full-time
NCS is a leading AI Tech Services company. With a 15,000-strong team across the Asia Pacific, NCS scales its platforms and capabilities to provide clients with greater agility and AI…
Added 1 hour ago
C
Stagiaire - Intelligence artificielle-EN
CAE
Montreal, QC
- Full-time
Maîtrise des langages de programmation tels que Python, Java ou C++.
Added 1 hour ago
C
Stagiaire - Spécialiste de données-EN
CAE
Montreal, QC
- Full-time
Industry experience working with data, coding and scripting (Python/Java/Scala/SQL/JS/Bash), and with M
Added 1 hour ago
G
Manager, Agent Development, Applied AI
Google
Toronto, ON
- Full-time
Like Google's own ambitions, the work of a Software Developer goes way beyond just Search. Software Development Managers have not only the technical expertise to take on and provide…
Added 1 hour ago
G
Manager, Agent Development, Applied AI
Google
Waterloo, ON
- Full-time
Like Google's own ambitions, the work of a Software Developer goes way beyond just Search. Software Development Managers have not only the technical expertise to take on and provide…
Added 1 hour ago
Unix/Linux Developer – Application Modernization
Capco
Toronto, ON
Capco is looking for a Unix/Linux Developer to support a major application modernization initiative focused on upgrading legacy applications, Unix scripts and their supporting technology.

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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