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Added 2 mins ago
RT
Conseiller(ère) sénior, Gestion des données de Foundry | Senior Advisor, Foundry Data Management
Rio Tinto
Montreal, QC
- Full-time
Solides compétences en Python, PySpark, SQL et en pratiques de gouvernance et de sécurité des données d’entreprise.
Added 2 mins ago
M(
Développeur(se) Full-Stack - Core
MaintainX (An Autodesk Company)
Remote, Canada
- Full-time
- Remote
Notre pile technologique principale comprend TypeScript, React, Node.js et MySQL. Certaines équipes utilisent C# ou Python. Il n’est pas nécessaire de maîtriser tous ces éléments pour…
Added 2 mins ago
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Software Developer
Cisco
Ottawa, ON
- Full-time
The Nexus Dashboard infrastructure team serves as the backbone of our platform, engineering the critical services that ensure stability, security, and seamless lifecycle management for our…
Added 2 mins ago
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Software Developer (Hybrid)
Cisco
Vancouver, BC
- Full-time
The Splunk AI Canvas team builds AI-powered experiences that help customers investigate, understand, and act on data across Splunk products. Our work spans reusable React and TypeScript…
Added 2 mins ago
Design Verification Engineer - technical lead, Annapurna Labs
Amazon
Toronto, ON
As a member of the Cloud-Scale Machine Learning Acceleration team you’ll be developing hardware solution for AWS data center including AWS Inferentia,Trainium systems - custom designed…
Added 15 mins ago
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Senior Applied AI Developer
Plusgrade
Montreal, QC
- Full-time
You will design, deploy, and scale low-latency ML and LLM recommendation pipelines that feed real-time predictive data into core travel applications. You will own the entire lifecycle of…
Added 15 mins ago
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Java Developer
Dexian
Mississauga, ON
- Other
Proficiency in Python for services, scripting, or data work
Added 15 mins ago
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Senior Quality Engineer
Hays
Toronto, ON
- $65 to $80 CAD / hour
- Contract
Equitable Bank is seeking a Senior Quality Engineer to support the delivery of enterprise data platforms and cloud-based solutions. This role is focused on quality engineering, test…
Added 15 mins ago
IG
Software Developer
Insight Global
Mississauga, ON
- $45 to $68 CAD / hour
- Contract
Insight Global is seeking a Senior .NET Backend Developer to support and enhance a Sales Audit Tool used to analyze and process sales order data from an ERP system. The ideal candidate will…
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Data Quality Engineer
Hays
Toronto, ON
- Contract
Collaborate with data engineering teams to design and execute tests for data pipelines running on Azure Fabric and Google Cloud services such as Dataflow, Dataproc, and Pub/Sub-based…
Added 32 mins ago
PX
Data Scientist (Machine Learning and AI)
Project X
Toronto, ON
- Full-time
Proficiency in Python and SQL, with experience in data wrangling, statistical analysis, and model development
Added 43 mins ago
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AI Engineer
Stripe
Toronto, ON
- Full-time
Strong backend engineering fundamentals: you can debug a failing system, trace issues across services, and reason about data flows
Added 43 mins ago
SG
Senior Product Solutions Analyst
Scotia Global Asset Management
Toronto, ON
- Full-time
Advanced knowledge in Python and SQL and working with large data sets
Added 43 mins ago
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Senior Quality Engineer
Tangerine
Toronto, ON
- Full-time
We are looking for a Senior Quality Engineer to join our Quality Engineering team. This person will be responsible for ETL testing, data validation, source-to-target reconciliation, data…
Added 43 mins ago
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Automation Lead – Quality Engineering
CGI
Toronto, ON
- Full-time
We are seeking an experienced QE Lead with strong hands-on Python automation expertise to lead quality engineering for complex integration solutions connecting APIs, microservices,…
Added 43 mins ago
AC
Administrateur·trice Stockage
ALTEN Canada
Montreal, QC · Greater Montreal Metropolitan Area
- $100,000 to $125,000 CAD / year
- Full-time
Participer aux initiatives DevOps (Python, Flask, Git, Ansible) dans un contexte international
Added 47 mins ago
T
Information Security Analyst (Detection Engineer)
TD
Toronto, ON
- Full-time
The ideal candidate is a hands-on cybersecurity professional who understands both security operations and detection engineering. They should be comfortable working with SIEM data,…
Added 47 mins ago
Software Engineer
Scotiabank
Toronto, ON
As a Software Engineer on Scotiabank’s Data & AI Technology team, you will be involved in designing, building, and scaling our enterprise data catalog and data management solutions…
Added 47 mins ago
Senior Quality Engineer
Scotiabank
Toronto, ON
We are looking for a Senior Quality Engineer to join our Quality Engineering team. This person will be responsible for ETL testing, data validation, source-to-target reconciliation, data…
Added 47 mins ago
C
Infrastructure DevOps Analyst
Citi
Mississauga, ON
- Full-time
We are seeking a highly skilled and experienced Senior DevOps Engineer with a strong focus on Python development to join our dynamic Technology team. In this intermediate-level position,…
Added 47 mins ago
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AVP, AI
Manulife
Toronto, ON
- Full-time
8+ years in data science, AI/ML engineering, or applied machine learning, including significant experience leading delivery of complex AI programs at scale.
Added 47 mins ago
HP
Wireless Networking Tester (QA) / Testeur réseautique sans-fil (QA)
Hewlett Packard Enterprise
Montreal, QC · St. Laurent, Quebec, Canada
- $64,500 to $107,500 CAD / year
- Full-time
…help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to…
Added 47 mins ago
E
Ingénieur en développement logiciel de tests (SDET)
EXFO
Montreal, QC
- Full-time
· Solides compétences en programmation ou en script avec Java, JavaScript/TypeScript, Python, Go ou des langages comparables.
Added 59 mins ago
PO
Machine Learning Developer
P&P Optica
Waterloo, ON
- $115,000 to $120,000 CAD / year
- Full-time
We are looking for a rigorous, delivery-focused Machine Learning Developer with 3 or more years of experience who thrives at the intersection of software development and machine learning…
Added 1 hour ago
CI
Analyst, Systematic Strategies Group (12-Month Contract)
CPP Investments | Investissements RPC
Toronto, ON
- Full-time
Contribute to projects across investment research, data engineering and portfolio engineering as priorities evolve.

Apptoza Inc.

Full Stack Engineer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 6, 2026
Experience: 7+ years of backend development experience in Java or Python
Posting language: English
Posted: Oct 7, 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 end-to-end technical solutions, including production generative AI systems, prompt engineering, backend services, and frontend capabilities. Lead and guide development teams, collaborate with stakeholders and data scientists, and establish technical practices and documentation.

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 understand agentic AI, LLM integration, prompt engineering, cloud technologies, and PostgreSQL; experience with spec-driven development, Camunda 8, vector databases, and RAG is an advantage.

Skills

Java
Python
Backend Development
REST APIs
Microservices
React
Micro-Frontend Architecture
Agentic AI
LLM Integration
Prompt Engineering
OpenShift
Kubernetes
S3 Object Storage
PostgreSQL
Camunda 8
Retrieval-Augmented Generation

Visa sponsorship

Not detected in the job text

Keywords

Full-Stack Development
Java
Python
REST APIs
Microservices
React
Micro-Frontend Architecture
Reusable UI Components
Generative AI
Agentic AI
Large Language Models
Prompt Engineering
GitHub Copilot
Windsurf
Claude Code
OpenShift
Kubernetes
S3 Object Storage
PostgreSQL
Schema Design
Query Optimization
Performance Tuning
Spec-Driven Development
Camunda 8
Vector Databases
Retrieval-Augmented Generation
Data Ingestion
Feature Engineering
Cloud Platforms

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