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Added 11 days ago
SI
Java Developer
Smart IT Frame LLC
Mississauga, ON
- Full-time
Seeking a Specialist with 7 years of experience in Java Frameworks to design develop and maintain scalable microservices based applications using Spring and Spring Boot
Added 11 days ago
O
Senior Software Developer (Bilingual)
OpenText
Ottawa, ON
- Full-time
We are looking for a Senior Backend Software Developer to join our development team at OpenText. Our team builds and evolves a public, multi-tenant Software-as-a-Service (SaaS) cloud…
Added 11 days ago
O
Sr. Software Developer (Bilingual)
OpenText
Ottawa, ON
- Full-time
We are looking for a Senior Backend Software Developer to join our development team at OpenText. Our team builds and evolves a public, multi-tenant Software-as-a-Service (SaaS) cloud…
Added 11 days ago
SI
Java Backend Developer
Smart IT Frame LLC
Mississauga, ON
- Full-time
Seeking a Specialist with 7 years of experience in Java Frameworks to design develop and maintain scalable microservicesbased applications using Spring and Spring Boot
Added 11 days ago
TC
Java Backend developer
Tata Consultancy Services
Toronto, ON · Greater Toronto Area, Canada
- $90,000 to $100,000 CAD / year
- Full-time
years of experience with Java, REST API Micro services, MQ, Spring framework, Spring Boot (2.x), JSON, Hibernate, SQL, Oracle, KAFKA
Added 11 days ago
UC
AI Developer
UniSysTech Consulting
Toronto, ON · Greater Toronto and Hamilton Area, ON
- Other
Hybrid Model: Requirement to work 2 days per week in-office at our Downtown Toronto office, with up to 3 days remote flexibility.
Added 11 days ago
TC
Technical Business Analyst
Tata Consultancy Services
Montreal, QC
- Full-time
Should have prior experience in Java development, microservices. API understanding
Added 11 days ago
AI
Bilingual English & Spanish Java Backend Developer
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
Work Arrangement: Hybrid: 2-3 days in office a week
Added 11 days ago
H
Support Engineer
HCLTech
Vancouver, BC
- $77,000 to $87,000 CAD / year
- Full-time
Debug issues related to Android SDK, APIs, third-party integrations, and backend service interactions.
Added 11 days ago
YC
Senior Test/QA Consultants
Yoush Consulting
Toronto, ON
- Full-time
…testing, regression testing, load testing, security testing, backend testing, web services testing,…
Added 11 days ago
D
Software Engineer
Dexian
Toronto, ON
- Contract
The successful candidate will contribute to a large-scale platform modernization initiative, developing and enhancing backend or full-stack applications in a collaborative Agile…
Added 11 days ago
O
Sr. Software Developer (Bilingual)
OpenText
Richmond Hill, ON
- Full-time
We are looking for a Senior Backend Software Developer to join our development team at OpenText. Our team builds and evolves a public, multi-tenant Software-as-a-Service (SaaS) cloud…
Added 11 days ago
F
Software Consultant
FireFlink
Toronto, ON
- Full-time
Configure, customize, and develop backend, frontend, API, integration, reporting, automation, workflow, and data processing components.
Added 11 days ago
O
Staff FullStack Engineer, Secures AI
Okta
Toronto, ON
- $160,000 to $220,000 CAD / year
- Full-time
…to AI-native engineering as our standard. You will rethink backend design, validation, and delivery through AI-augmented workflows, ensuring our platform provides secure, interoperable, and…
Added 11 days ago
OP
Associate Software Engineer - Full Stack
Ontario Power Generation
Oshawa, ON
- Full-time
Strong hands-on experience developing backend applications and services using C#, .NET, and Java including APIs, integrations, business logic, and data-access components.
Added 11 days ago
MI
FHIR Integration Engineer/Full Stack Engineer (Healthcare) 7+ years of experience
Maarut Inc
Toronto, ON
- Contract
Senior-level experience developing Java and Node.js services, REST APIs, FHIR integrations, event publishers and consumers, and production application logic.
Added 11 days ago
B
Sr. Java Fullstack Developer-Angular/Banking
BeachHead
Toronto, ON
- Contract
Working with one of our top financial clients, this role calls for a Software Developer 3 - Java to join a collaborative Agile delivery pod supporting a large-scale platform modernization…
Added 11 days ago
DI
Full Stack Developer(Angular)
Dawn InfoTek
Toronto, ON
- Contract
We’re looking for Full Stack Developer to join our team and work on modern, scalable applications across both frontend and backend technologies. If you’re passionate about building…
Added 11 days ago
O
Staff FullStack Engineer, Secures AI
Okta
Waterloo, ON
- $160,000 to $220,000 CAD / year
- Full-time
…to AI-native engineering as our standard. You will rethink backend design, validation, and delivery through AI-augmented workflows, ensuring our platform provides secure, interoperable, and…
Added 11 days ago
T
Java Software Engineer
Tekshapers
Toronto, ON
- Full-time
Design, develop, and maintain high-quality, maintainable Java applications and services using clean code principles and established design patterns.
Added 11 days ago
O
Staff FullStack Engineer, Secures AI
Okta
Kitchener, ON
- $160,000 to $220,000 CAD / year
- Full-time
…to AI-native engineering as our standard. You will rethink backend design, validation, and delivery through AI-augmented workflows, ensuring our platform provides secure, interoperable, and…
Added 11 days ago
A
AI Developer
Apptad
Montreal, QC
- Contract
Required Qualifications (Must Have)
Added 11 days ago
D
Senior Frontend Developer
Dexian
Toronto, ON
- $70 to $80 CAD / hour
- Contract
We are seeking an experienced Senior Frontend Developer with strong expertise in React and modern JavaScript to build high-performance, scalable web applications. The ideal candidate will…
Added 11 days ago
C
Full Stack Senior Engineering Lead - Inventory Orchestration
Citi
Mississauga, ON
- Full-time
● Backend Expertise: Proven expertise in developing enterprise-level applications using the Java and Spring Framework (Spring Boot, Spring Cloud).
Added 11 days ago
Staff FullStack Engineer, Secures AI
Okta
Toronto, ON
…to AI-native engineering as our standard. You will rethink backend design, validation, and delivery through AI-augmented workflows, ensuring our platform provides secure, interoperable, and…

Apptad

AI Developer

Montreal, QC, Canada

Contract

Apply on LinkedIn About employer

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Job details

Job type: Contract
Apply by: Nov 28, 2026
Experience: 3-5 years of professional software development experience as a hands-on developer (junior to mid-level).
Posting language: English
Posted: Oct 29, 2026

Original job description

Job Title: AI Developer

Location: Montreal, QC

Job Description:

Key Responsibilities:

Build AI-enabled features that generate client summaries from structured and unstructured data using OpenAI APIs and similar LLM providers.
Integrate LLM calls into application services - prompt construction, model selection, structured outputs (JSON), streaming responses, token-budget and cost management, retries, and error handling.
Assemble context for the model - retrieve and shape data from databases and internal APIs into the structured input the model needs to produce each summary type.
Design and iterate on prompts and templates for different summary "types," and build lightweight evaluation to check accuracy, completeness, and faithfulness (no hallucinated facts).
Expose capabilities through clean backend APIs so other teams can consume them.
Apply responsible-AI guardrails - PII handling/redaction, prompt-injection defenses, output validation, and audit logging suitable for a regulated environment.
Collaborate with engineering, business analysts, and compliance stakeholders to define what a "good" summary looks like and to validate outputs.
Use AI coding assistants (e.g., GitHub Copilot, ChatGPT) to accelerate your own development.

Required Qualifications (Must Have)

3-5 years of professional software development experience as a hands-on developer (junior to mid-level).
Strong proficiency in at least one backend language - Java (with Spring Boot) and/or Python (FastAPI / Flask). We are open to either.
Hands-on experience calling LLM APIs - particularly the OpenAI API (chat completions, function/tool calling, structured/JSON outputs, embeddings) - or a strong willingness and demonstrated aptitude to ramp up quickly.
Practical prompt-engineering skills - writing, testing, and iterating on prompts to get reliable, well-structured output.
Experience integrating with data sources - relational databases (SQL) and REST APIs.
Solid understanding of RESTful API design and JSON.
Good engineering fundamentals - version control (Git), testing, and writing maintainable code.
Awareness of data privacy / PII concerns and a careful, quality-focused mindset.
Strong problem-solving and communication skills; able to work with non-technical stakeholders to shape requirements.
Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience).

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More about this job

Responsibilities

Build and integrate LLM-powered client-summary features, including prompt design, context assembly, structured outputs, API delivery, and cost and error management. Implement responsible-AI safeguards and lightweight output evaluations, and collaborate with engineering, business, and compliance stakeholders to define and validate summary quality.

Requirements

Requires 3–5 years of hands-on software development experience and proficiency in Java with Spring Boot and/or Python with FastAPI or Flask, along with experience or aptitude in using LLM APIs and practical prompt engineering. Candidates should also have experience with SQL and REST APIs, strong software engineering fundamentals, awareness of privacy and PII concerns, effective communication skills, and a bachelor's degree in a related field or equivalent experience.

Skills

Java
Spring Boot
Python
FastAPI
Flask
OpenAI API
Prompt Engineering
LLM Integration
SQL
REST API Design
JSON
Git
Software Testing
Data Privacy
PII Handling
Backend Development

Visa sponsorship

Not detected in the job text

Keywords

Artificial Intelligence
Large Language Models
OpenAI API
Chat Completions
Function Calling
Tool Calling
Structured Outputs
JSON
Embeddings
Prompt Engineering
Java
Spring Boot
Python
FastAPI
Flask
SQL
Relational Databases
REST APIs
Backend APIs
Git
Software Testing
Token-Budget Management
Cost Management
Streaming Responses
Output Validation
Prompt-Injection Defense
PII Redaction
Audit Logging
Responsible AI
Client Summaries

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Jobs in Canada