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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 27 mins ago
VC
Senior Temporary Works Inspector H/F
VINCI Construction Grands Projets Hellas S.A.
Toronto, ON · Greater Toronto Area, Canada
- Temporary
As a Temporary Works Inspector, you will support the Temporary Works Engineer in the inspection, verification, and monitoring of temporary works during the construction lifecycle. You will…
Added 27 mins ago
DS
Junior Data Engineer - Blenddata
Dimension Study Association
Engineer, BC
- Full-time
What does a Junior Data Engineer do at Blenddata?
Added 27 mins ago
P
Senior AI Engineer
Perceptic
Engineer, BC
- Full-time
The integration work that turns model providers and AI tooling into product experiences people can depend on
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
AC
Product Development Engineer – Liquid Cooling
Amphenol Communications Solutions
Markham, ON
- Full-time
Job Title: Product Development Engineer – Liquid Cooling for Front-End I/O Connectors
Added 27 mins ago
D
Java Software Engineer
Dexian
Mississauga, ON
- Contract
Quality Assurance & Best Practices: Champion code quality through Test-Driven Development (TDD), comprehensive unit/integration testing, and rigid code review standards.
Added 27 mins ago
KR
Full Stack Engineer
KTek Resourcing
Canada
- Full-time
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 28 mins ago
QA Automation Engineer – SmartBear & Playwright
Capco
Toronto, ON
Capco is looking for a QA Automation Engineer with hands-on experience in SmartBear TestComplete and Playwright to support a major application modernization initiative.
Added 42 mins ago
MP
Lead Data Engineer
Municipal Property Assessment Corporation
Pickering, ON
- Full-time
Experience designing and developing scalable data pipelines, integration frameworks and cloud-native data solutions supporting operational reporting, analytics and AI initiatives
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
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
H
AI Solutions Architect
Hays
Toronto, ON
- Contract
…transformation initiatives across enterprise data, AI, banking integration, risk, finance, treasury, and AML platforms. The organization is investing heavily in AI, agentic technologies,…
Added 42 mins ago
E
Senior Data Engineer (banking Domain)
E-Solutions
Toronto, ON
- Contract
This position is for a Senior Data engineer with a background in Python, Pyspark, SQL and data warehousing for enterprise level systems. The position calls for someone that is comfortable…
Added 42 mins ago
RI
Data Engineer
Rivago Infotech Inc
Toronto, ON
- Contract
This position is for a Senior Data engineer with a background in Python, Pyspark, SQL and data warehousing for enterprise level systems. The position calls for someone that is comfortable…
Added 42 mins ago
B
Data Engineer/Technical Architect
BullTechSystem
Toronto, ON
- Full-time
Define data integration strategies, including ETLELT pipelines, batch processing and real-time.
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
Licensed Professional Engineer (P.Eng) registered with Professional Engineers Ontario (PEO), OR Certified Engineering Technologist (C.E.T.), OR
Added 58 mins ago
M
Stagiaire en automatisation de l’assurance qualité (AQ) / QA Automation Engineer Intern - Hiver /Winter 2027
McKesson
Montreal, QC
- Full-time
Connaissance des pratiques d’intégration et de déploiement continus (CI/CD).
Added 58 mins ago
M
Stagiaire en automatisation de l'assurance qualité / QA Automation Intern - Hiver/Winter 2027
McKesson
Montreal, QC
- Full-time
…d’acquérir une expérience concrète en automatisation des tests, en intégration et déploiement continus (CI/CD), en tests mobiles et en ingénierie qualité…
Added 1 hour 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 1 hour ago
HO
Civil or Structural Engineer X/ F/H
HOUSE OF ABY
Toronto, ON
- $120,000 to $160,000 CAD / year
- Full-time
a Civil Engineer with heavy lifting and material handling experience,

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

Apply 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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