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Added 13 mins ago
AS
Senior Site Reliability / DataOps Engineer
Apex Systems
Toronto, ON
- $40 to $60 USD / hour
- Contract
Apex Systems is seeking a Senior Site Reliability / DataOps Engineer to support a large-scale data modernization initiative within a major Canadian financial institution.
Added 13 mins ago
KC
IAM Support Engineer – ETL & Data Modeling
KeyData Cyber
Toronto, ON
- Full-time
We are currently looking to hire an IAM Support Engineer – ETL & Data Modeling to join KeyData Cyber’s Managed Services team. In this role, you will provide Level 2 support for our…
Added 13 mins ago
AS
Full Stack Developer, Java / Angular / AWS
Apex Systems
Toronto, ON
- $45 to $50 USD / hour
- Full-time
The ideal candidate is a hands-on full-stack engineer who leans slightly toward backend development but remains genuinely strong with Angular. They have excellent Java fundamentals,…
Added 30 mins ago
RB
Software Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
Conduct thorough unit/integration testing, often developing and leveraging automated testing frameworks, and improve performance of functions through performance tuning.
Added 30 mins ago
RB
Principal AI Engineer, Agentic Models and Data Platforms
Royal Bank of Canada
Calgary, AB
- Full-time
Hands on experience with data engineering platforms and tools, commonly including Python, PySpark, Databricks, Airflow, Kafka, Snowflake, and modern data integration patterns.
Added 30 mins ago
H
Field Applications Engineer
Hexagon
Calgary, AB
- Full-time
Hexagon’s Autonomous Solutions division is looking for a Field Applications Engineer - Agriculture to join our team in Canada. Reporting to the Support Manager, Agriculture, this role will…
Added 42 mins ago
CS
MongoDB Data Modeler / Data Engineer
Confiar Services
Toronto, ON
- Contract
They are looking for MongoDB Data Modeler / Data Engineer to support Canada’s data analytics, ingestion, and data curation initiatives. The ideal candidate will have strong experience in…
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…
Added 42 mins ago
IG
Quality Engineer
Insight Global
Toronto, ON
- $40 to $45 CAD / hour
- Contract
Insight Global is seeking an experienced Quality Engineer to join a leading bank as part of their Enterprise Technology and Data team. The successful candidate will be responsible for…
Added 42 mins ago
ES
Java Software Engineer
Epsilon Solutions Ltd.
Toronto, ON
- Full-time
Experience with integration, performance, and contract testing tools.
Added 44 mins ago
TI
Product Support Analyst
Trimble Inc.
Richmond Hill, ON · Canada - Richmond Hill, Ontario (Applanix)
- Full-time
Strong working knowledge and experience with GNSS/IMU integration and technology.
Added 1 hour ago
X
Backend Engineer (Go)
Xsolla
Montreal, QC
- Full-time
Delivered developer-friendly APIs, SDKs, and integration documentation.
Added 1 hour ago
MP
Lead Data Engineer (ITA7)
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 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Vancouver, BC
- $96,557 to $128,743 CAD / year
- Full-time
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive
Added 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Montreal, QC
- $96,557 to $128,743 CAD / year
- Full-time
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive
Added 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Toronto, ON
- $96,557 to $128,743 CAD / year
- Full-time
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive
Added 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Halifax, NS
- $96,557 to $128,743 CAD / year
- Full-time
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive
Added 1 hour ago
Jr. Process Control Engineer (EIT)
B2GOLD
NU
Support the integration of new mineral processing equipment into the control system.
Added 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive.
Added 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive.
Added 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive.
Added 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive.
Added 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive.
Added 1 hour ago
ED
Senior AI Developer - EN 428
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive.
Added 1 hour ago
A
Power Supply (POS) Design Engineer
Alstom
Toronto, ON
- $80,000 to $105,000 CAD / year
We're looking for an experienced engineer to design and deliver cutting-edge power supply solutions for major rail electrification projects. You'll work alongside people who show up with…

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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