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Added 13 mins ago
PC
Sr. Software Engineer
Priority Commerce
Waterloo, ON
- $115,000 to $142,000 CAD / year
- Full-time
What we look for in every Software Engineer: Engineers who own the quality of their own code - tested, validated, production-worthy before anyone downstream sees it. AI-native by default:…
Added 13 mins ago
S
HR Manager
Sidetrade
Calgary, AB
- Full-time
Four days per week on-site at our Calgary office
Added 13 mins ago
TT
Software Architect
Trane Technologies
Montreal, QC
- Full-time
You'll get to build the brains behind smarter buildings. As a Software Architect, you'll lead the design and development of the backend services that power our Cloud-based Building…
Added 13 mins ago
Y
Backend Developer – Ruby & Golang
Yochana
ON · Ontario, Canada
- Full-time
Position Name – Backend Developer – Ruby & Golang
Added 13 mins ago
Z
Presales Engineer-Custom Software
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Canada
- Full-time
A technical foundation as a developer, solutions architect, technical consultant, or tech lead, with real hands-on experience building software.
Added 13 mins ago
FB
Assistant Bakery Manager
Farm Boy Inc.
Ottawa, ON
- $21 CAD / hour
- Full-time
Comfort learning and using manual and automated systems, with prior experience working with a variety of computer software programs.
Added 13 mins ago
C
Application Programmer
Collabera
Toronto, ON
- $70 to $75 CAD / hour
- Full-time
We are looking for an experienced Frontend Developer. The team develops and enhances a large-scale global trading platform used by trading, sales, and middle-office teams worldwide. You…
Added 13 mins ago
A
Accounting & Administration Manager (Bilingual: French & English)
ANDRITZ
Laval, QC
- Full-time
Experience with ERP systems and financial tools (Excel, accounting software such as SAP).
Added 13 mins ago
FE
Reference 19006 – Project Designer
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- Full-time
Added 13 mins ago
OS
Software Architect
Open Systems Technologies
Montreal, QC
- Contract
Some experience of creating Agent Skills or AI prompts; many of the patterns will evolve into machine readable instructions. Note this is not a developer role.
Added 13 mins ago
HT
Software Developer
Hirematic Talent Solutions
Toronto, ON
- $60 to $65 CAD / hour
- Full-time
Work Arrangement: Onsite 5 Days per Week
Added 13 mins ago
TC
Senior Quality Engineer
Tata Consultancy Services
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
QA Testing Expertise – Strong experience in functional, regression, integration, system, web, mobile, and API testing across the software development lifecycle.
Added 13 mins ago
CL
Lead Applied AI Scientist - (Healthcare life science/Medical Device)
CoreTek Labs
Mississauga, ON
- Contract
Added 13 mins ago
TC
Technical Lead
Tata Consultancy Services
Mississauga, ON
- $100,000 to $130,000 CAD / year
- Full-time
…methodologies. Collaborate with business analysts and customers on software development design, configuration, testing, debugging, implementation, and support. Provide updates to scrum…
Added 13 mins ago
B
Sales Development Representative
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Mississauga, ON
- Full-time
Applicants must have outbound sales experience
Added 13 mins ago
RH
Accountant
Robert Half
ON · Niagara, ON
- $65,000 to $85,000 CAD / year
- Full-time
Experience with accounting software such as QuickBooks, CCH, CaseWare, or similar platforms is an asset.
Added 13 mins ago
D
Sr Automation Engineer
DIRTT
Calgary, AB
- Full-time
Experience: Minimum 10 years of overall technical experience in software engineering, backend architecture, or systems integration, including a minimum of 5 years specifically designing,…
Added 13 mins ago
H
Android Developer
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Montreal, QC
- Full-time
We are looking for a Senior Android Developer to join our engineering team and contribute to client engagements focused on building, enhancing, and modernizing high-quality native Android…
Added 13 mins ago
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Peer review and sign-off on illustration software specifications prepared by the Illustrations team with respect to policyholder tax calculations and inforce illustration rules and…
Added 13 mins ago
Research Analyst - TAY Cohort Study
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Toronto, ON
…skills. Proficiency with word processing, PowerPoint and database software packages is required. The ability to collaborate effectively with colleagues and diverse stakeholders is…
Added 13 mins ago
Executive Assistant to the Vice-President, Human Resources (2026-MP-27)
University of Windsor
Windsor, ON
Proficiency in various software packages including Windows, MS Word, MS Excel, PowerPoint, and Adobe Acrobat coupled with an in-depth comprehension of office management systems and…
Added 28 mins ago
MD
Multimedia Specialist - Communications Specialist 2
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Saint-Paul, NB · St.-Paul, NB
- Full-time
Work Shift/Work Hours: Day Shift
Added 28 mins ago
S|
IT Sales Manager
Solidy | Software Development Company
BC
- Full-time
Experience with relevant software applications, tools, and techniques
Added 28 mins ago
T
Personal Banking Associate
TD
Toronto, ON
- Full-time
Proficiency in using MS Office (Word, Excel and Outlook), branch software and internet

McGill St Laurent

Senior Full-Stack Developer – Business Applications & AI

Montreal, QC, Canada

Full-time

Apply on jobs.lever.co About employer

Applications open in a new tab.

Job details

Job type: Full-time
Experience: 5+ years of full-stack development experience, including projects delivered end to end in production
Posting language: English
Posted: Nov 9, 2026

Original job description

MSL is a Montreal-based, multi-entity organization with divisions including CWP Energy (physical power trading), GSL Grain, CWP Wood and MSL Climate Solutions. We are about 170 people and growing fast, and we run on speed, ownership and a strong team culture.

The Role

You’ll be our in-house senior full-stack developer and the technical go-to for development projects across all of our entities. You’ll design and deliver the solutions that keep our operations running, from back-office automation to simplifying our trading tools, working directly with traders, operations and finance.

You’ll join a team that’s already in motion: our Transformation Lead is driving the overhaul of our processes and tools, and an in-house developer is already contributing.

We already use Claude every day. We’re looking for someone to take that usage from experimentation to robust solutions: architecture, controls, testing and maintainability.

NetSuite is our ERP across the group, and a large share of your projects will involve it: customizations, integrations and migrating our remaining entities. SuiteScript experience is an asset.

What You'll Do

Development and architecture

Design, build, test and deploy internal applications and integrations end to end (e.g., client portal, billing and accounts payable automation)
Define the architecture of our internal tools and the integrations between our systems, including NetSuite
Set development standards, lead code reviews and drive knowledge sharing
Work with our external developers and gradually bring their work in-house

NetSuite

Act as technical lead on NetSuite: customizations, scripts and workflows across all of our entities
Support the technical side of migrating our remaining entities to NetSuite
Ensure data consistency between our tools, our dashboards and NetSuite

AI and automation

Take our use of Claude (Claude Code, agents, MCP integrations) from experimentation to documented, tested and controlled solutions
Identify the finance and operations processes where automation will have the most impact

Working with the business

Turn the needs of traders, operations and accounting into concrete, reliable solutions
Scope and prioritize requests based on value, effort and risk, and recommend the right technical approach
Drive adoption: documentation, training and user support

What You Bring

Requirements

Bachelor’s degree in software engineering, computer science or a related field, or an equivalent combination of education and experience
5+ years of full-stack development experience, including projects delivered end to end in production
Strong JavaScript and Python, and front-end experience with React
Experience designing and consuming REST APIs and building system-to-system integrations
Solid SQL: data modeling and query optimization
Hands-on experience applying LLMs to business processes
Excellent written and spoken French and English

Nice to have

NetSuite experience (SuiteScript, SuiteFlow, SuiteTalk) (strong asset)
Experience with Claude Code, agents or MCP integrations
Background in finance, trading or commodities
Experience as a tech lead or the technical reference for a team

About you

You have strong business sense: you can understand a finance or operations process end to end before you write code.
You communicate clearly with non-technical people, ship in increments with business value in mind, and take testing and documentation seriously.
You’re autonomous, curious and comfortable in an organization that’s transforming.

What We Offer

A stimulating, dynamic and collaborative work environment. Curious to learn more? McGill St Laurent
The opportunity to be part of an entrepreneurial culture that encourages initiative
Comprehensive group insurance and the option to contribute to an RRSP program
Paid vacation from day one
80% reimbursement of your public transit pass
A Give & Match program
A beautiful office with a golf simulator, a gym, locker rooms and showers

This position requires in-office presence. We have found that being physically present fosters interactions that positively impact performance. As such, we strongly encourage employees to maintain this presence to fully benefit from the environment.

We may use artificial intelligence (AI) tools to support certain stages of the hiring process, including reviewing applications, analyzing resumes and assessing responses, as well as identifying potential inconsistencies or items requiring verification in application materials, based on the information available. These tools support our recruitment team but do not replace human judgment. Final hiring decisions are made by people. For more information on how your data is processed, please contact us.

We collect your information through a secure applicant tracking system with access restricted by role. Data, including resumes and interview notes, are stored within this system. If you wish to withdraw consent or have concerns, please contact us at talent@mcgillstlaurent.com.

\n\n

#msl

Apply on jobs.lever.co About employer

More about this job

Responsibilities

Design, build, test, and deploy internal applications and integrations, including NetSuite customizations, migrations, and AI-enabled automation solutions. Translate finance and operations needs into reliable tools, establish development standards, coordinate external developers, and support adoption through documentation, training, and user support.

Requirements

Requires a bachelor’s degree in software engineering, computer science, or a related field, or equivalent education and experience, plus at least five years of full-stack development experience delivering production projects end to end. Candidates should have strong JavaScript and Python skills, React experience, REST API and integration expertise, solid SQL knowledge, hands-on LLM experience, and excellent written and spoken French and English.

Skills

Full-Stack Development
JavaScript
Python
React
REST APIs
System Integrations
SQL
Data Modeling
Query Optimization
Large Language Models
NetSuite
SuiteScript
Software Architecture
Testing
Technical Leadership
Business Process Automation

Benefits

Group Health Insurance
RRSP Contribution Program
Paid Vacation
Give & Match Program
On-Site Gym
Locker Rooms and Showers

Visa sponsorship

Not detected in the job text

Keywords

JavaScript
Python
React
REST APIs
SQL
Data Modeling
Query Optimization
NetSuite
SuiteScript
SuiteFlow
SuiteTalk
Claude
Claude Code
AI Agents
MCP Integrations
Large Language Models
System Integrations
Software Architecture
Internal Applications
Business Process Automation
Finance
Trading
Commodities
Accounts Payable
Billing Automation
Data Consistency
Code Reviews
Testing
Technical Leadership
French

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