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Astek

Prompt Engineer - IA générative

Montreal, QC, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 25, 2026
Posting language: English · French
Posted: Oct 26, 2026

Original job description

English section of this bilingual listing.

Work mode: Hybrid - 3 days/week in office (on-site presence required from day one for onboarding)

What we'll accomplish together:

Our client, a leading global financial institution, builds technology solutions that support the movement and custody of its clients' assets. Within its Operations Technology division, a machine learning team designs artificial intelligence solutions, both ML and generative AI, to automate manual business functions, manage exception life cycles and facilitate collaboration across teams.

Your mission (...if you accept it!):

As a GenAI Prompt Engineer, you will join a machine learning squad. You will work with internal clients and subject-matter experts to understand their needs, translate them into effective prompts and robust Python code, then evaluate and monitor solution performance over time.

Your day-to-day:

Contribute to the development and maintenance of an internal Python library
Provide support for the library to its users
Design and optimize prompts based on business needs
Maintain prompts and keep them up to date with new LLM versions
Conduct regular testing and performance analysis
Take part in prompt benchmarking experiments
Handle ongoing monitoring of solutions in production

Your future team:

You will join a machine learning squad dedicated to operations, within a global delivery environment.

Your Tech Stack:

Language: Python
Generative AI: OpenAI and various LLMs
Machine learning, vector databases (assets)
Cloud: Microsoft Azure (asset)
Methodology: Agile

You:

Bachelor's degree in computer science or a related field
5+ years of experience
Hands-on experience building Python applications and excellent Python development skills
Excellent prompt engineering skills
Experience with OpenAI and different LLMs, including testing and performance evaluation
Knowledge of design patterns, system resiliency, observability, scalability and performance
Agile development experience
Strong analytical skills and a passion for problem-solving
Good communication skills
Fluent English
Assets: machine learning and vector databases, cloud application development (ideally Azure), FinTech application development experience, experience working in a global delivery team

Astek Benefits

Up to 4 weeks of vacation plus 3 floating days
Comprehensive group insurance plan, including telemedicine and an Employee Assistance Program (EAP)
Public transit reimbursement
Cell phone plan reimbursement
Professional order membership fees reimbursed (e.g. OIQ)
Annual sports/physical activity allowance
Annual IT equipment allowance
Employee referral incentive program
RRSP
Social activities (5@7s, team buildings...)

Our Plus

Joining Astek means choosing:

An experience accelerator, where every assignment is an opportunity to grow
Access to a wide range of technically exciting projects, both for our clients and internally
Close, personalized support for a tailor-made career path
Continuous learning through our internal Training Academy
A friendly and inclusive work environment, backed by certified HR practices #TopEmployer2026 #BestManaged #ISO9001 #ISO14001 #ISO27001

Astek Canada

Since 1999, Astek Canada has specialized in IT consulting and engineering services, successfully driving its clients' development strategies. Guided by shared values, the firm addresses business challenges by putting client needs at the center of its actions and priorities.

Astek Canada has more than 600 employees based in Montreal, Toronto and Vancouver.

With innovation at the heart of digital transformation, Astek Canada's mission is to guide and support companies through their digital transformation by helping them adopt new technologies.

Read the full bilingual original

Prompt Engineer - IA générative

Localisation : Montréal

Mode de travail : Hybride - 3 jours/semaine au bureau (présence sur site requise dès le premier jour pour l'intégration)

Date de début : Dès que possible

Ce que nous allons accomplir ensemble :

Notre client, une grande institution financière mondiale, développe des solutions technologiques qui soutiennent le mouvement et la garde des actifs de sa clientèle. Au sein de sa division Technologie des opérations, une équipe de machine learning conçoit des solutions d'intelligence artificielle, ML et IA générative, pour automatiser des fonctions d'affaires manuelles, gérer le cycle de vie des exceptions et faciliter la collaboration entre les équipes.

Votre mission (...si vous l'acceptez !) :

En tant que Prompt Engineer en IA générative, vous intégrerez une escouade de machine learning. Vous travaillerez avec les clients internes et les experts métier pour comprendre leurs besoins, les traduire en prompts efficaces et en code Python robuste, puis évaluer et suivre la performance des solutions dans le temps.

Votre quotidien :

Contribuer au développement et à la maintenance d'une librairie Python interne
Assurer le support de la librairie auprès de ses utilisateurs
Concevoir et optimiser des prompts en fonction des besoins d'affaires
Maintenir les prompts et les adapter aux nouvelles versions des LLM
Réaliser des tests réguliers et des analyses de performance
Participer à des expériences de benchmarking de prompts
Assurer le suivi continu des solutions en production

Votre future équipe :

Vous intégrerez une escouade de machine learning dédiée aux opérations, au sein d'un environnement de livraison mondial.

Votre Stack de Jeu :

Langage : Python
IA générative : OpenAI et divers modèles LLM
Machine learning, bases de données vectorielles (atouts)
Cloud : Microsoft Azure (atout)
Méthodologie : Agile

Vous :

Baccalauréat en informatique ou dans un domaine connexe
5 ans et plus d'expérience
Expérience pratique dans la conception d'applications Python et excellentes compétences en développement Python
Excellentes compétences en prompt engineering
Expérience avec OpenAI et différents modèles LLM, incluant les tests et l'évaluation de performance
Connaissance des patrons de conception, de la résilience, de l'observabilité, de la scalabilité et de la performance des systèmes
Expérience en développement Agile
Esprit analytique et goût pour la résolution de problèmes
Bonnes habiletés de communication
Anglais courant : participation à des réunions, conférences, formations ou projets conduits en anglais
Atouts : machine learning et bases de données vectorielles, développement d'applications cloud (idéalement Azure), expérience en développement d'applications FinTech, expérience au sein d'une équipe de livraison mondiale

Les avantages Astek

Jusqu'à 4 semaines de congés plus 3 jours mobiles
Régime d'assurances collectives avantageux incluant service de télémédecine et programme d'aide aux employés (PAE)
Remboursement du transport en commun
Remboursement du forfait/téléphone cellulaire
Remboursement des frais d'adhésion à un ordre professionnel (ex : OIQ)
Allocation annuelle pour le sport/activités physiques
Allocation annuelle pour matériel informatique
Programme de cooptation incitatif
REER
Activités sociales (5@7, team buildings...)

Nos Plus

Rejoindre Astek, c'est choisir :

Un accélérateur d'expérience, où chaque mission est une opportunité de progresser
Un accès à une multitude de projets techniquement passionnants pour nos clients comme en interne
Un accompagnement de proximité individualisé pour un parcours professionnel sur mesure
Un apprentissage continu, grâce à notre Académie de formation interne
Un environnement de travail convivial et inclusif, soutenu par des pratiques RH certifiées #TopEmployer2026 #BestManaged #ISO9001 #ISO14001 #ISO27001

Astek Canada

Depuis 1999, Astek Canada se spécialise en service conseil TI et en ingénierie, pilotant avec succès les stratégies de développement de ses clients. Autour de valeurs communes, la firme répond aux enjeux d'entreprise en mettant les besoins au centre de ses actions et priorités.

Astek Canada compte plus de 600 collaborateurs localisés à Montréal, Toronto et Vancouver.

L'innovation étant au cœur de la transformation numérique, Astek Canada a pour vocation de guider et accompagner les entreprises dans leur processus de transformation numérique en les aidant à s'approprier les nouvelles technologies.

----

GenAI Prompt Engineer

Location: Montreal

Work mode: Hybrid - 3 days/week in office (on-site presence required from day one for onboarding)

What we'll accomplish together:

Your mission (...if you accept it!):

Your day-to-day:

Contribute to the development and maintenance of an internal Python library
Provide support for the library to its users
Design and optimize prompts based on business needs
Maintain prompts and keep them up to date with new LLM versions
Conduct regular testing and performance analysis
Take part in prompt benchmarking experiments
Handle ongoing monitoring of solutions in production

Your future team:

You will join a machine learning squad dedicated to operations, within a global delivery environment.

Your Tech Stack:

Language: Python
Generative AI: OpenAI and various LLMs
Machine learning, vector databases (assets)
Cloud: Microsoft Azure (asset)
Methodology: Agile

You:

Bachelor's degree in computer science or a related field
5+ years of experience
Hands-on experience building Python applications and excellent Python development skills
Excellent prompt engineering skills
Experience with OpenAI and different LLMs, including testing and performance evaluation
Knowledge of design patterns, system resiliency, observability, scalability and performance
Agile development experience
Strong analytical skills and a passion for problem-solving
Good communication skills
Fluent English
Assets: machine learning and vector databases, cloud application development (ideally Azure), FinTech application development experience, experience working in a global delivery team

Astek Benefits

Up to 4 weeks of vacation plus 3 floating days
Comprehensive group insurance plan, including telemedicine and an Employee Assistance Program (EAP)
Public transit reimbursement
Cell phone plan reimbursement
Professional order membership fees reimbursed (e.g. OIQ)
Annual sports/physical activity allowance
Annual IT equipment allowance
Employee referral incentive program
RRSP
Social activities (5@7s, team buildings...)

Our Plus

Joining Astek means choosing:

An experience accelerator, where every assignment is an opportunity to grow
Access to a wide range of technically exciting projects, both for our clients and internally
Close, personalized support for a tailor-made career path
Continuous learning through our internal Training Academy
A friendly and inclusive work environment, backed by certified HR practices #TopEmployer2026 #BestManaged #ISO9001 #ISO14001 #ISO27001

Astek Canada

Astek Canada has more than 600 employees based in Montreal, Toronto and Vancouver.

With innovation at the heart of digital transformation, Astek Canada's mission is to guide and support companies through their digital transformation by helping them adopt new technologies.

Apply About employer

More about this job

Responsibilities

Develop and maintain an internal Python library, support its users, and design, optimize, and update prompts for business needs and new LLM versions. Test and benchmark prompts, analyze performance, and monitor generative AI solutions in production.

Requirements

Requires a bachelor's degree in computer science or a related field, at least five years of experience, strong Python application development and prompt engineering skills, and experience with OpenAI and other LLMs. Candidates should also have experience evaluating model performance and working in Agile teams, along with knowledge of system design, resilience, observability, scalability, and performance; fluent English is required.

Skills

Python
Prompt Engineering
OpenAI
Large Language Models
Prompt Testing and Evaluation
Performance Analysis
Python Application Development
Machine Learning
Vector Databases
Microsoft Azure
Agile Development
Design Patterns
System Resilience
Observability
Scalability
Problem-Solving

Benefits

Vacation
Floating Days
Group Insurance
Telemedicine
Employee Assistance Program
Public Transit Reimbursement
Cell Phone Plan Reimbursement
Professional Membership Fee Reimbursement
Sports and Physical Activity Allowance
IT Equipment Allowance
Employee Referral Incentive
Retirement Savings Plan
Social Activities

Visa sponsorship

Not detected in the job text

Keywords

Python
Generative AI
Prompt Engineering
OpenAI
Large Language Models
Machine Learning
Vector Databases
Microsoft Azure
Agile
Prompt Benchmarking
Performance Evaluation
Production Monitoring
Python Library
Design Patterns
System Resilience
Observability
Scalability
Financial Technology
Financial Services
Operations Technology
Global Delivery

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