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Added 13 days ago
H
Senior Quality Engineer
Hays
Toronto, ON
- $65 to $80 CAD / hour
- Contract
Experience with Python, Java, or SQL scripting
Added 13 days ago
Software Engineer
Scotiabank
Toronto, ON
Strong programming skills (Python and/or Java)
Added 13 days ago
CO
Staff Software Engineer - Capital One Travel Tech - Full-stack
Capital One
Toronto, ON
- Full-time
Utilize programming languages like JavaScript, React, HTML/CSS, Angular/TypeScript, Python, Java and/or Go, Open Source RDBMS and NoSQL databases, and a variety of AWS tools and services
Added 13 days ago
C
Junior Developer Co-op
Convverge
Calgary, AB
- Full-time
In our Junior Developer Co-op program, you'll gain hands-on experience across two of our fastest-growing practices. This unique 12-month opportunity provides six months of experience with…
Added 13 days ago
AI
Full Stack Engineer
Apptoza Inc.
Toronto, ON
- Contract
7+ years of backend development experience in Java or Python
Added 13 days ago
S
Senior Applications Developer- Mobile Apps (React Native)
Sobeys
Mississauga, ON
- Full-time
…currently have a full-time opportunity for a Senior Applications Developer. This role is based is based out our office located in Mississauga,…
Added 13 days ago
Senior Applications Developer- Mobile Apps (React Native)
Sobeys Capital Incorporated or a Franchise/Affiliate / ou une franchise/société affiliée
Mississauga, ON
…currently have a full-time opportunity for a Senior Applications Developer. This role is based is based out our office located in Mississauga,…
Added 13 days ago
T
Software Engineer I - Development and Quality Engineering
TD
Toronto, ON
- Full-time
The Risk Technology team is seeking a junior Software Engineer with 2–3 years of relevant experience to contribute to both application development and quality engineering. The successful…
Added 14 days ago
H
Senior Full Stack Engineer (Azure Cloud Platform)
HCLTech
Calgary, AB
- Full-time
Develop backend services using Node.js, Python, .NET, or Java.
Added 14 days ago
H
Full stack Developer
Hays
Toronto, ON
- Contract
Provide technical guidance and mentorship to junior developers, fostering a culture of continuous learning.
Added 14 days ago
C
Engineering Lead Analyst - VP
Citi
Mississauga, ON
- Full-time
High proficiency in at least one backend object-oriented programming language (Python or Java preferred)
Added 14 days ago
C
Engineering Lead Analyst - VP
Citi
Mississauga, ON
- Full-time
High proficiency in at least one backend object-oriented programming language (Python or Java preferred)
Added 14 days ago
AI
Staff Engineer
Atlantis IT Group
Toronto, ON
- Contract
Good years of backend development experience in Java or Python
Added 14 days ago
Staff Product Security Engineer, Reviews
Okta
Toronto, ON
Proficiency in multiple programming languages (e.g., Java, Go, Python, C/C++).
Added 15 days ago
Senior Platform Engineer, AI & Fabrics
BMO
Toronto, ON · FCP
…and Leads, contribute to design discussions, and mentor more junior engineers. You are energized by hardening and scaling real engineering assets; an existing developer portal, an AI…
Added 15 days ago
B
Senior Platform Engineer, AI & Fabrics
BMO
Toronto, ON
- Part-time
…and Leads, contribute to design discussions, and mentor more junior engineers. You are energized by hardening and scaling real engineering assets; an existing developer portal, an AI…
Added 16 days ago
N
Senior Software Developer - Networking (Flow)
Nutanix
Vancouver, BC
- $151,000 to $227,000 CAD / year
- Full-time
Advanced level programming proficiency in Python, Golang, Java, C, or C++.
Added 17 days ago
AS
Applied Scientist, Demand Tech Planning
Amazon Science
Toronto, ON
- Full-time
Experience programming in Java, C++, Python or related language
Added 18 days ago
MI
Programmer Analyst
Magna International
St. Thomas, ON
- $84,000 to $100,000 CAD / year
- Full-time
Demonstrated experience with multiple computer programming languages (ex: JavaScript, C#, Python, C++, Java, Visual Basic, .NET Framework).
Added 19 days ago
EC
Développeur(euse) en assurance qualité logicielle - Software Quality Assurance Developer
Eaton Corporation
Brossard, QC
- Full-time
Expérience en programmation (C++, C#, Java, Python, etc.).
Added 21 days ago
RB
Lead Full Stack Developer
Royal Bank of Canada
Toronto, ON
- Full-time
The RBC Borealis Lumina Platform team is hiring a Lead Full Stack Developer who will bring focus and subject-matter expertise around designing and implementing APIs and UIs for the AWS and…
Added 22 days ago
TC
AI Deployment & Solutions Engineer
Tata Consultancy Services
Toronto, ON
- Full-time
Strong programming skills in Python, Java/JavaScript, C++ or equivalent.
Added 22 days ago
R
Lead Full Stack Developer
RBC
Toronto, ON
- Full-time
The RBC Borealis Lumina Platform team is hiring a Lead Full Stack Developer who will bring focus and subject-matter expertise around designing and implementing APIs and UIs for the AWS and…
Added 25 days ago
Software Development Engineer II, Omnichannel Metrics (OCM) - Measurement, Ad Tech, and Data Science (MADS)
Amazon
Toronto, ON
…autonomous measurement platform. You'll work across Scala, Java, and Python, with deep expertise in big data technologies (Apache Spark, Kestrel, EMR), AWS infrastructure (Lambda, DynamoDB,…
Added 25 days ago
CO
Staff Software Engineer - Capital One Travel Tech - Full-stack
Capital One
Toronto, ON
- Full-time
Utilize programming languages like JavaScript, React, HTML/CSS, Angular/TypeScript, Python, Java and/or Go, Open Source RDBMS and NoSQL databases, and a variety of AWS tools and services

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

Apply About employer

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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