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Added 5 days ago
I
Senior Software Developer, Full-Stack
Intuit
Toronto, ON
- Full-time
The ideal candidate is an experienced full stack Software Developer who is proficient with JavaScript/TypeScript, Java, and familiar with AI powered development tools. This Senior Software…
Added 5 days ago
SI
Java Full Stack Developer
Spait Infotech
Canada
- Full-time
Build backend services and RESTful APIs using Java and Spring Boot.
Added 5 days ago
A
RQ11600 - Senior Software Developer
Amyantek
Toronto, ON · Greater Toronto Area, Canada
- Contract
Experience in complex programming concepts and languages JSF, Spring, MyBatis ORM Framework, Servlets, Core Java, , Liberty, Oracle 19c +, iText, React, Apache MyFaces, HTML5, CSS3,…
Added 6 days ago
NI
Full-stack Developer (React + Java)
Nityo Infotech
Mississauga, ON
- Full-time
Candidate must have strong knowledge on java, spring boot, reactive spring, graphQL.
Added 6 days ago
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Senior Developer - Commercial Technology
WestJet
Calgary, AB
- Full-time
The Senior Developer, Commercial Technology is responsible for designing, building, optimizing, and supporting scalable technology solutions across Commercial Tech Services with primary…
Added 6 days ago
RI
Java Developer
Rivago Infotech Inc
Toronto, ON
- Contract
Strong hands-on experience with Java/J2EE, Spring, Spring Boot, and dependency injection frameworks.
Added 6 days ago
MS
Lead Java Full Stack (Hybrid)
Morgan Stanley
Montreal, QC
- Full-time
We’re seeking someone to join our team as Lead Java Full Stack to drive the design, development, and evolution of strategic risk management technology solutions that support regulatory…
Added 6 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Server-side languages: C#/.NET, Java, Python, PHP
Added 6 days ago
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Software Engineer II (Full-Stack - Java - React)
Mastercard
Vancouver, BC
- Full-time
Full Stack developer with the ability to write secure code in couple of languages (e.g., Java, SQL, React)
Added 6 days ago
Junior Full Stack Engineer
Evismart
Vancouver, BC
We're looking for a Junior Full-Stack Developer who wants to help build these products.
Added 6 days ago
Senior Full Stack Developer, Launch
Coveo
Montreal, QC · QC
Experience with Java, React, TypeScript, or similar technologies used to build modern web applications.
Added 6 days ago
Delivery Lead
Enercare
Markham, ON
Experience with modern technology environments such as Java, Node.js, React.js, Oracle, SQL Server, Microsoft Azure, Docker and Kubernetes.
Added 6 days ago
JT
Frontend Developer
Jobility Talent Solutions
Toronto, ON
- Contract
Jobility Talent Solutions is hiring for a Senior Java Backend Developer opportunity with a leading financial services organization.
Added 6 days ago
RC
Java Fullstack with React Developer
Reuben Cooley Inc.
Mississauga, ON
- Full-time
Backend: Strong proficiency in Java (8/11/17), Spring Boot, Spring MVC, Hibernate/JPA, RESTful APIs, Microservices.
Added 6 days ago
TC
Software Engineering Intern
The Citco Group Limited
Toronto, ON
- Full-time
You have experience with some of the following technologies: Python, Java, Javascript, HTML, SQL and general web technologies.
Added 6 days ago
AS
Microservices/AI Designer
Apex Systems
Toronto, ON
- $70 to $83 USD / hour
- Contract
…practice has an opening for a Microservices/AI Designer with deep Java/Spring Boot, microservices, and enterprise application design experience to support a Top Five…
Added 6 days ago
SM
RQ11600 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience in n-tier web-based applications, Java EE (J2EE), database technologies, cloud-native technologies, front-end…
Added 6 days ago
AI
Full Stack Engineer
Apptoza Inc.
Toronto, ON
- Contract
7+ years of backend development experience in Java or Python
Added 6 days ago
Full Stack Developer
Scotiabank
Toronto, ON
Work with modern frameworks such as React, Next.js, and Node.js, building
Added 6 days ago
IG
Designer Fullstack Java
Insight Global
Toronto, ON
- $60 to $70 CAD / hour
- Contract
Experience with Java and Spring Boot for back-end application and microservices design.
Added 6 days ago
TI
Senior Full Stack Developer
Teckhorizon Inc
Toronto, ON
- Contract
The Senior Full Stack Software Developer will be responsible for designing, developing, implementing, testing, and maintaining enterprise-level web applications. The role requires extensive…
Added 6 days ago
BI
Java Developer+ React + Angular + Apache Experience
BURGEON IT SERVICES
Montreal, QC
- Contract
Develop and maintain scalable banking applications using Java, Spring Boot, React, and Angular.
Added 6 days ago
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Java Full stack Developer
Ampstek
Montreal, QC
- Contract
Strong programming knowledge of Core Java, OOP, Collections, Exception Handling, and Java 8+ features.
Added 6 days ago
SI
Full Stack Engineer
Stelvio Inc.
Saskatoon, SK
- Full-time
We are Looking for a Intermediate Full stack Developer to join an established technology team.
Added 6 days ago
TI
Full Stack Developer
Themesoft Inc.
Toronto, ON
- Contract
8+ years of backend development experience in Java or Python

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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