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Added 5 days ago
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Senior Software Developer
Plusgrade
Montreal, QC · CAN - Montreal
- Full-time
…Labs group on new concepts. As part of this work, you help re-engineer software delivery so that AI systems and workflows are integrated directly into our operating model and…
Added 5 days ago
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Senior Applied AI Developer
Plusgrade
Montreal, QC · CAN - Montreal
- Full-time
Python · Java · SQL · PySpark · AWS (EKS, SageMaker, Bedrock, Agentcore, DynamoDB, Elasticache, Lambda, LoadBalancer, Glue, Kinesis, S3) · Kubernetes · Docker · Snowflake · SnowPark ·…
Added 5 days ago
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Automation Engineer
Genpact
Calgary, AB
- $70,000 to $80,000 CAD / year
- Full-time
Inviting applications for the role of Automation Engineer at Calgary, AB
Added 5 days ago
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Level IV Quality Engineer (QE)
Robertson & Company Ltd.
Toronto, ON
- Contract
Robertson is seeking a skilled Level IV Quality Engineer (QE) to join our client in support of an existing vacancy.
Added 5 days ago
KG
Java Backend & Integration Engineer (Quarkus & XML/XSLT)
K&K Global Talent Solutions INC.
ON · Ontario, Canada
- Full-time
Position: Java Backend & Integration Engineer (Quarkus & XML/XSLT)
Added 5 days ago
MG
Senior IGA Engineer - SailPoint IdentityIQ (On-Prem)
Mobility Global
London, ON
- Full-time
Scripting and integration skill (Java/BeanShell, SQL) and connector configuration for diverse target systems, with an audit and compliance orientation.
Added 6 days ago
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Principal AI Engineer, AI DLC Platform
RBC
Toronto, ON
- Full-time
As Principal AI Engineer you will own the technical direction of that journey. You will define the platform architecture, the production boundary between code that runs in production and…
Added 6 days ago
SL
Principal AI Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
Canada IT – Platforms and Engineering Domain is looking for a Principal AI Engineer with at least 10 years of engineering experience. This role will be instrumental in driving innovation,…
Added 6 days ago
RC
Senior QA Engineer
Rexall Care Network
Mississauga, ON
- Full-time
The Senior QA Engineer will lead the design and delivery of automated testing solutions that protect the quality, reliability, and performance of Rexall’s digital and enterprise systems.
Added 6 days ago
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Software Engineer II (Backend Java)
Mastercard
Vancouver, BC
- Full-time
Software Engineer II (Backend Java)Who is Mastercard?
Added 6 days ago
Software Development Engineer, Early Career - 2027 (CAN)
Amazon
Vancouver, BC
- Experience with at least one general-purpose programming language such as Java, Python, C++, C#, Go, Rust, or TypeScript
Added 6 days ago
SG
Senior IGA Engineer - SailPoint IdentityIQ (On-Prem)
S&P Global Mobility
London, ON
- Full-time
Scripting and integration skill (Java/BeanShell, SQL) and connector configuration for diverse target systems, with an audit and compliance orientation.
Added 6 days ago
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Software Engineer II
Marqeta
Remote, Canada
- Full-time
- Remote
As Marqeta's Software Engineer II, you will deliver resilient and sustainable software projects from design to implementation and rollout. You will execute on defined projects to achieve…
Added 6 days ago
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Senior Embedded Systems Engineer
Taiv
Winnipeg, MB · Greater Winnipeg Metropolitan Area
- Full-time
We are looking for a Senior Embedded Systems Engineer to join our growing team!
Added 6 days ago
RP
Sr. QA Engineer
Rexall Pharmacy Group Ltd.
Mississauga, ON
- $80,453 to $95,000 CAD / year
- Full-time
The Senior QA Engineer will lead the design and delivery of automated testing solutions that protect the quality, reliability, and performance of Rexall’s digital and enterprise systems.
Added 6 days ago
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Software Engineer II (Full-Stack - Java - React)
Mastercard
Vancouver, BC
- Full-time
Software Engineer II (Full-Stack - Java - React)Who is Mastercard?
Added 6 days ago
Junior Full Stack Engineer
Evismart
Vancouver, BC
Backend development experience. Experience with server-side programming, APIs, and backend languages such as C#, Java, Python, or JavaScript/TypeScript.
Added 6 days ago
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Data Solutions Specialist
Accenture
Toronto, ON · Montreal, QC
- Full-time
Experience as a data engineer in solutioning and building scalable data platforms.
Added 6 days ago
ND
Sr. GCP/ Java Developer
NTT DATA North America
Toronto, ON
- Other
We are looking for a Cloud Engineer (GCP + Java) who takes ownership of designing, building, and operating highly available, cloud-native applications on Google Cloud Platform.
Added 6 days ago
RP
Senior QA Engineer
Rexall Pharmacy Group LTD
Mississauga, ON
- $80,453 to $95,000 CAD / year
- Full-time
The new role of the Senior QA Engineer will lead the design and delivery of automated testing solutions that protect the quality, reliability, and performance of Rexall’s digital and…
Added 6 days ago
QA Analyst
Scotiabank
Toronto, ON
We are seeking a highly skilled and proactive Quality Engineer with expertise in Native Mobile Applications, Web Automation, and API Testing to join our fast-paced and innovative team. As a…
Added 6 days ago
AI
Full Stack Engineer
Apptoza Inc.
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 6 days ago
AI
GCP Senior Data Engineer
Aptino, Inc.
Canada
- Contract
Valid/relevant GCP certification, such as Professional Data Engineer.
Added 6 days ago
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Staff Software Engineer - Onboarding and Migrations
Marqeta
Remote, Canada
- Full-time
- Remote
The Program Experience team is looking for a Staff Software Engineer to help scale our Customer Migration Platform at Marqeta. We are looking for an experienced and strong engineer with…
Added 6 days ago
Senior Software Engineer - Product Security
Faire
Toronto, ON · Waterloo, ON
As a Senior Software Engineer, Product Security, you'll collaborate with us to:

Apptoza Inc.

Full Stack Engineer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 18, 2026
Experience: 7+ years of backend development experience in Java or Python
Posting language: English
Posted: Oct 19, 2026

Original job description

Position: Full stack Developer

Location: Toronto, ON (4 days onsite)

Contract: Long Term

Job Description

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 application software solutions, applying advanced expertise and knowledge to deliver innovative and strategic business outcomes. Leads software development projects of significant complexity, applying advanced expertise and knowledge to deliver impactful results.

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.

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More about this job

Responsibilities

Lead the technical design, development, and delivery of complex application solutions, including production-ready generative AI systems and prompt engineering. 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, along with REST APIs, microservices, React, and micro-frontend architectures. Candidates should also have experience or strong understanding of agentic AI and LLM integrations, generative AI tools, cloud technologies, and PostgreSQL.

Skills

Java
Python
Backend Development
REST APIs
Microservices
React
Micro-Frontend Architectures
Reusable UI Components
Agentic AI
LLM Integration
Prompt Engineering
Generative AI
OpenShift
Kubernetes
S3 Object Storage
PostgreSQL

Visa sponsorship

Not detected in the job text

Keywords

Staff Engineer
Full Stack Development
Java
Python
REST APIs
Microservices
React
Micro-Frontend Architecture
Reusable UI Components
Agentic AI
LLM Integration
Prompt Engineering
Generative AI
GitHub Copilot
Windsurf
Claude Code
OpenShift
Kubernetes
S3 Object Storage
PostgreSQL
Relational Databases
Schema Design
Query Optimization
Performance Tuning
Data Ingestion
Feature Engineering
Technical Documentation
Cloud Platforms
Operations Technology

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