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Added 4 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 4 days ago
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Software Consultant
FireFlink
Toronto, ON
- Full-time
…will translate banking, product, pricing, billing, workflow, integration, and data requirements into scalable technical solutions that support successful client…
Added 4 days ago
A
IT Technical Developer (IBM Maximo)
Airswift
Calgary, AB
- Contract
We are seeking an experienced IT Technical Developer / Analyst specializing in IBM Maximo to support the enhancement, customization, integration, and ongoing optimization of a large-scale…
Added 4 days ago
O
Staff FullStack Engineer, Secures AI
Okta
Toronto, ON
- $160,000 to $220,000 CAD / year
- Full-time
Deep expertise in building highly reliable, secure, enterprise-grade software using Java or another type safe programming language.
Added 4 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 4 days ago
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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 4 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 4 days ago
O
Staff FullStack Engineer, Secures AI
Okta
Waterloo, ON
- $160,000 to $220,000 CAD / year
- Full-time
Deep expertise in building highly reliable, secure, enterprise-grade software using Java or another type safe programming language.
Added 4 days ago
MS
Senior Software Quality Assurance Specialist
MSZ Systems
Toronto, ON
- Contract
Plan, coordinate and execute functional, integration, regression, system, performance and user acceptance testing (UAT).
Added 4 days ago
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Staff FullStack Engineer, Secures AI
Okta
Kitchener, ON
- $160,000 to $220,000 CAD / year
- Full-time
Deep expertise in building highly reliable, secure, enterprise-grade software using Java or another type safe programming language.
Added 4 days ago
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AI Security Research Engineer
Centraprise
Toronto, ON
- $50 to $60 CAD / hour
- Contract
Validate vendor claims and assess security, scalability, integration complexity, and enterprise applicability.
Added 4 days ago
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AI Developer
Apptad
Montreal, QC
- Contract
3-5 years of professional software development experience as a hands-on developer (junior to mid-level).
Added 4 days ago
LM
Software Engineer - CMS 330
Lockheed Martin
Dartmouth, NS
- Full-time
…definition, test driven development, as well as continuous integration and deployment. The successful candidate will support Lockheed Martins core product, Combat Management Systems (CMS)…
Added 4 days ago
LM
Senior Software Engineer - Product Lead
Lockheed Martin
Ottawa, ON
- Full-time
5-10 years' work general development experience with preference given to experience in JAVA & HTML/JS/CSS
Added 4 days ago
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Software Developer
AppDirect
Montreal, QC
- Full-time
Core Java & Java Frameworks: Spring Framework / J2EE / Reactor
Added 4 days ago
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Senior Frontend Developer
Dexian
Toronto, ON
- $70 to $80 USD / 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 4 days ago
O
Manager, Software Development
OpenText
Richmond Hill, ON
- Full-time
…software engineers and technical specialists working across Java-based cloud services, Python-based AI and document intelligence, React user experiences, enterprise integrations, and…
Added 4 days ago
IG
Lead Full Stack Developer
Insight Global
Toronto, ON
- $50 to $70 CAD / hour
- Contract
Insight Global is seeking a hands-on Lead Full Stack Developer to support a major KYC transformation initiative within a large banking environment. This role will focus on both modernizing…
Added 5 days ago
R
Senior Software Developer, Workday Integrations & Extend
RBC
Toronto, ON
- Full-time
As a Senior Software Developer, Workday Integrations & Extend, you will lead the technical design, development, and implementation of Workday solutions to meet complex HCM program…
Added 5 days ago
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Full Stack Senior Engineering Lead - Inventory Orchestration
Citi
Mississauga, ON
- Full-time
● Collaborate with multiple development teams to ensure cohesive integration of services, alignment with business goals, and adherence to architectural blueprints.
Added 5 days ago
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Java Developer
Citi
Mississauga, ON
- Full-time
Citi is looking for a Java Developer (Apps Dev Intermediate Programmer Analyst - C11) to join the technology team and contribute to the development and enhancement of the Helios platform.…
Added 5 days ago
WMS Software Developer [OPERATIONS TECHNOLOGY]
HelloFresh
Toronto, ON
Experience with a scripting or programming language such as Python, Java, or C#.
Added 5 days ago
Staff FullStack Engineer, Secures AI
Okta
Toronto, ON
Deep expertise in building highly reliable, secure, enterprise-grade software using Java or another type safe programming language.
Added 5 days ago
PS
Senior Software Developer - Big data API
PDF Solutions
Vancouver, BC
- Full-time
Infrastructure Development: Code in various technologies (including Go, C, C++, C#, Java, and Python) to develop real-time infrastructure and tools.
Added 5 days ago
C
Senior Solutions Engineer
ChapsVision
Montreal, QC
- Full-time
Définir la stratégie d’intégration entre plusieurs systèmes d’entreprise et unités d’affaires.

Apptad

AI Developer

Montreal, QC, Canada

Contract

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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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