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Added 14 mins ago
JS
Full Stack Engineer
JENOPTIK Smart Mobility Solutions
Vancouver, BC
- $95,000 to $106,000 CAD / year
- Full-time
…full-stack developer to build and maintain the C# backend and React frontend that power our web application. You'll work closely with product, design, and engineering to turn requirements…
Added 14 mins ago
E
Principal AI Platform Engineer
Epiq
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…thousands to millions of records. As a Principal AI Platform Engineer, you will design and build the platform our AI agents and accelerators run on, including orchestration, retrieval,…
Added 16 mins ago
VC
Python Backend Engineer
VBeyond Corporation
Toronto, ON
- Contract
Client is looking for a skilled Python Backend Engineer to build and scale high-performance backend systems. This role will focus on API development, platform engineering, and system…
Added 16 mins ago
D
Senior Full Stack Developer( Java and React) Toronto Canada/ Hybrid
Damcosoft
Toronto, ON
- Contract
Role: Full Stack engineer – (Backend heavy) – Java with React – 5 positions
Added 18 mins ago
Back-End Delivery Manager
Government of Alberta
AB
Added 47 mins ago
T
Software Engineer, Full Stack - Trace
Trace
Montreal, QC
- Full-time
You’ll work directly with Noam, our founding engineer, and Lucas, our CTO, with meaningful ownership of what we build and how we build it.
Added 47 mins ago
A
Backend Software Engineer (Rust)
Arkion-tech
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…cryptographic workflows, working closely with the Software Architect, Frontend Engineer, and Cloud & Deployment…
Added 47 mins ago
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Lead Optimizely Solutions Architect
Valtech
Canada
- Full-time
AI-related certifications including Azure AI Engineer
Added 47 mins ago
D
Java Full Stack Developer( Java and React) Toronto Canada/ Hybrid
Damcosoft
Toronto, ON
- Contract
Role: Full Stack engineer – (Backend heavy) – Java with React – 5 positions
Added 47 mins ago
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Front end heavy– React with Java || Toronto
TestingXperts
Toronto, ON
- Contract
Role: Full Stack Engineer – Front end heavy– React with Java
Added 48 mins ago
CO
Staff Software Engineer - Capital One Travel Tech - Full-stack
Capital One
Toronto, ON
- Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Staff Software Engineer - Capital One Travel Tech - Full-stack
Added 1 hour ago
R
Principal AI Engineer, Agentic Models and Data Platforms
RBC
Calgary, AB
- Full-time
Experience with frontend or portal integration for AI experiences, for example Angular based portals, analytics integration, or enterprise enablement tooling.
Added 1 hour ago
AS
Forward-Deployed Software Engineer (AI Integration & Modernization)
Andromeda Software Inc.
Toronto, ON
- Full-time
Title: Forward-Deployed Software Engineer (AI Integration & Modernization)
Added 3 hours ago
CI
Senior Microsoft 365 & Unified Communications Engineer
Compugen Inc
Surrey, BC
- Full-time
Added 3 hours ago
AI
Full Stack Engineer
Apptoza Inc.
Toronto, ON
- Contract
Strong experience with React and modern frontend development, including Micro-frontend (MFE) architectures and reusable UI components
Added 3 hours ago
D
Senior Product Engineer II - Backend
Docebo
Toronto, ON
- $123,400 to $164,500 CAD / year
- Full-time
As a Senior Product Engineer II, you bring deep expertise in backend engineering alongside strong working competency across the broader stack. You own complex features and technical…
Added 3 hours ago
A
Senior / Staff Data Engineer (BI) – CEG Team
Agoda
Vancouver, BC
- Full-time
As a Senior/Staff Data Engineer in CEG (Customer Experience Group), you will help design, build, and maintain the data and software foundations that power how CEG Business users serves…
Added 3 hours ago
Software Developer
AppDirect
Toronto, ON
You are a strong Software Engineer that is not satisfied in meeting the status quo. You are always digging deeper into your code and solutions while collaborating with your team to create a…
Added 3 hours ago
Software Engineer UI
Electronic Arts
Vancouver, BC
We’re looking for a Software Engineer to join the Jedi team in creating a best-in-class experience for our players. On the Jedi Engineering team, we believe in individual ownership of…
Added 3 hours ago
A
Senior / Staff Data Engineer (BI) – CEG Team
Agoda
Montreal, QC
- Full-time
As a Senior/Staff Data Engineer in CEG (Customer Experience Group), you will help design, build, and maintain the data and software foundations that power how CEG Business users serves…
Added 3 hours ago
M
Senior Full Stack Java Engineer - Workforce Management (WFM)
Miratech
Canada
- Full-time
We are looking for a Senior Full Stack Engineer to join the Workforce Management product stream and build enterprise-scale solution supporting forecasting, capacity planning, scheduling,…
Added 4 hours ago
IO
Senior Engineer, Project Development
Irving Oil
Saint John, NB
- Full-time
As a Senior Engineer, you will support the development of capital projects by leading the front-end development stages (FEL 1 and 2) and supporting FEED / detailed engineering/execution…
Added 4 hours ago
BS
Technical Lead
Brainhunter Systems Ltd
Toronto, ON
- Contract
8+ years building and operating complex enterprise digital products, including experience as a Technical Lead, Staff Engineer or senior full-stack developer.
Added 4 hours ago
IB
Quality Assurance Engineer
IEG Business Solutions
Montreal, QC
- Full-time
IEG is looking for a detail-oriented and analytical Quality Assurance (QA) Engineer to join our team in Montréal.
Added 4 hours ago
W
Full Stack Engineer
WeVend
Toronto, ON · North York, ON
- Full-time

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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