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Added 12 mins ago
Solutions Architect (Enterprise AI)
Flatgigs
Montreal, QC
Full-time
…technologies across multimodal intelligence, world models, temporal systems, signal processing and other emerging fields. These capabilities are productized through our client's core AI…
Added 12 mins ago
AI Developer - Agentic System
Xanadu
Toronto, ON
Full-time
As an AI Developer at Xanadu, you will play a crucial role in integrating generative AI into our R&D methodologies. This unique position allows you to contribute to the development of our…
Added 12 mins ago
AI Engineer
Arkion Identity Systems
Toronto, ON · Greater Toronto Area, Canada
Full-time
…intelligent automation, not just experimentation. You will build systems that are stateful, scalable, secure, and integrated into real engineering…
Added 12 mins ago
Inside Sales Representative (Network Engineering Solutions)
Infovista
Canada
Full-time
…collaboratively with Account Directors, Marketing, and Solution Engineering teams on larger or more complex…
Added 12 mins ago
Concepteur Mécanique / Mechanical Designer
Actalent
Montreal, QC
Contract
The Mechanical Designer plays a key role in the design and integration of landing gear systems for helicopters and small aircraft. This person contributes to the development of…
Added 12 mins ago
Analytics Engineer, Network Intelligence
Xplore Inc.
Canada
Full-time
…data and the dashboards, KPIs, and self-serve analytics that engineering, operations, and leadership teams rely on…
Added 12 mins ago
R&D Lab Coordinator Intern
Semtech
Burlington, ON
Full-time
Support coordination with engineering teams to locate, rent, and purchase equipment and peripherals required for lab testing
Added 12 mins ago
Sanctions Screening & List Management Analyst
Synechron
Montreal, QC · Greater Montreal Metropolitan Area
Full-time
…Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering. Our 13 FinLabs serve as hubs where we innovate and develop cutting-edge business…
Added 12 mins ago
Applications Engineering Intern
Semtech
Burlington, ON
Full-time
Experience in troubleshooting PCBs and systems is preferred.
Added 12 mins ago
Applications Engineering Intern
Semtech
Burlington, ON
Full-time
Experience in troubleshooting PCBs and systems is preferred.
Added 12 mins ago
Validation Engineering Intern
Semtech
Burlington, ON
Full-time
Develop new measurement analysis techniques and systems for checking device compliance to specification
Added 12 mins ago
Analog Design Engineer Intern
Semtech
Calgary, AB
Full-time
…Final hiring decisions remain with our Hiring Teams, not AI…
Added 12 mins ago
Analog Design Engineer Intern
Semtech
Calgary, AB
Full-time
…Final hiring decisions remain with our Hiring Teams, not AI…
Added 12 mins ago
Data Engineer
UniSysTech Consulting
Toronto, ON · Greater Toronto Area, Canada
$70 to $80 CAD / hour
Contract
Develop efficient ETL processes to extract, transform, and load data across systems.
Added 12 mins ago
Job ID #32246: Senior Project Manager Infrastructure Planning
City Of Hamilton
Hamilton, ON
Full-time
…stakeholder groups on environmental issues such as natural heritage systems and archaeological…
Added 12 mins ago
Job ID #32254: Superintendent Energy and Utilities
City Of Hamilton
Hamilton, ON
Full-time
Responsible for ongoing development and maintenance of the City’s Energy Management Software Systems (for energy metering/billing/verification and invoicing).
Added 12 mins ago
AI Trainer for Lumber Image Labelling
TS Manufacturing
Kawartha Lakes, ON · Lindsay, ON
Full-time
…we have designed and manufactured equipment and automation systems used by sawmills around the world. We are expanding our artificial intelligence and computer vision capabilities and are…
Added 12 mins ago
Développeur(euse) logiciel / Software Developer - Cloudrunner
Genetec
Montreal, QC
Full-time
Added 12 mins ago
Dév. logiciel sénior / Senior Software Dev. - C# / REST APIs & API Modernization
Genetec
Montreal, QC
Full-time
We're looking for a Senior Software Developer specialized in C# and REST API design. Your mandate will be twofold: build the company's new integration services in ASP.NET Core and Azure,…
Added 12 mins ago
Maintenance Plumber, Temporary Full Time, Plant Operations & Maintenance, PTCC
Manufacturing Job Site
Kingston, ON
Full-time
Position Purpose: To maintain all heating, water, gas, drainage, and air exchange systems (HVAC) in good order and
Added 12 mins ago
Electrical Engineer
Actalent
Vaughan, ON
Full-time
Provide engineering support for industrial facilities including processing plants, conveyors, pumping stations, ventilation systems, and related infrastructure.
Added 12 mins ago
Analog Design Engineer Intern
Semtech
Burlington, ON
Full-time
…Final hiring decisions remain with our Hiring Teams, not AI…
Added 12 mins ago
Senior Electrical Engineer
Actalent
Toronto, ON · Etobicoke, ON
Full-time
Experience with power systems engineering and electrical studies
Added 12 mins ago
Electrical Engineer
Actalent
Burnaby, BC
Contract
This role offers the opportunity to provide electrical engineering and design support for heavy industrial projects in sectors such as mining, oil and gas, and pulp and paper. You will work…
Added 12 mins ago
Electrical Foreman
Manufacturing Job Site
Burnaby, BC
Full-time
Strong understanding of conduit, distribution, lighting, fire alarm and electrical systems

MissionPerform

Developer (Full Stack), Intermediate

Mississauga, ON, Canada

Job type: Full-time
Apply by: Oct 21, 2026
Experience: 3 to 5 years of experience as a Full Stack Web Developer, with hands-on production experience in the MERN stack .
Posting language: English
Posted: Sep 24, 2026

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Original job description

About Mission Perform

Mission Perform is a performance-driven consulting, AI, and software development that partners with organizations, by building winning cultures that elevate both organizational and individual results. We are dedicated to improving how teams work, communicate, and achieve goals. We believe in “Performance Through People, Systems & Technology”.

We don't just advise from the sidelines: our consultants, engineers, and execs work directly alongside client teams to design, build, and ship real solutions our clients depend on.

We're a startup at heart and about to scale: lean team, fast decisions, high ownership, and direct exposure to the people who use what you build (clients, consultants, and executives), not layers of process between you and the impact of your work.

Details

This position follows a hybrid work model, with an expectation of in-office attendance three days each week. The expected compensation range for this position is posted below and is based on experience, skills, and qualifications. The upper end of this range is reserved for exceptional, top-tier candidates. We use automated tools, including artificial intelligence, to assist in the evaluation of applications.

What's In It For You

Direct impact: your code ships to real users solving real business problems, not stuck in a backlog behind bureaucracy.
Direct access: regular, unfiltered collaboration with senior consultants, executives, and clients. You'll see how the business and its clients actually operate, not just receive tickets.
Ownership: ability to shape features, architecture, and process on a growing product, with room to grow your scope as we grow.
Variety: exposure to consulting-driven, client-facing work in addition to product engineering, offering a broader experience than a typical single-product engineering role.
A startup pace: agility, autonomy, and the chance to make a visible mark rather than being one voice among hundreds.

What You'll Do

Build and maintain components of our React Native + MERN stack mobile and web applications, from database models through to polished UI, while taking ownership of your work from conversation to production without needing every requirement spelled out.
Work directly with consultants, executives, and client stakeholders to understand real operational problems, translate them into working software, and communicate progress clearly to non-technical audiences.
Collaborate with a small, cross-functional team to define, design, ship, and review new features end to end.
Diagnose and resolve performance bottlenecks, bugs, and production issues, balancing shipping speed with code quality and architectural soundness.
Move fast and adapt. Startup environment means your role will stretch beyond a narrow job description, and everyone's contribution is visible.

Qualifications (Required)

3 to 5 years of experience as a Full Stack Web Developer, with hands-on production experience in the MERN stack .
Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
Strong proficiency in JavaScript, React (including Redux or Redux Toolkit for state management), and modern front-end practices for building large scale applications.
Strong proficiency with Node.js and Express, including building and consuming RESTful APIs.
Strong proficiency with MongoDB and an ODM such as Mongoose (schema design, queries, indexing).
Strong proficiency with Git-based version control and collaborative workflows (branching, pull requests, code review).
Strong proficiency writing unit, integration (e.g. Jest, Testing Library, or similar), and UI tests (e.g. selenium, playwright, or similar).
Strong problem-solving skills, attention to detail, and the ability to work independently in a fast-paced, ambiguous environment.
Experience using AI tools (e.g. GitHub Copilot, Claude, Cursor) to accelerate development, review code, and improve productivity.
Experience in an Agile (Scrum / Kanban) development environment.
Familiar with Mobile development using React Native.
Excellent written and verbal communication skills, comfortable speaking directly with consultants, executives, and clients.

Preferred Qualifications

Experience with AWS or another major cloud provider (Azure, GCP).
Experience with real-time features using Socket.IO or similar WebSocket technology.
Experience with UI component libraries (e.g. RSuite, Material UI, or similar) and charting/visualization libraries (e.g. Chart.js, D3.js).
Experience integrating third-party or AI APIs (e.g. OpenAI, Anthropic) into production applications.
Experience with Redis, caching strategies, or session/state management at scale.
Experience to CI/CD pipelines and build tooling.
Prior experience in a startup, consulting, or client-facing environment.
Familiarity with continuous improvement frameworks such as Lean Six Sigma, Continuous Process Improvement (CPI), Business Process Management (BPM), Operational Excellence (OpEx).

How You'll Succeed

You write clean, maintainable code that other engineers can understand and build upon.
You take ownership of features from design through deployment and production support.
You balance shipping speed with code quality and architectural soundness.
You identify and solve performance bottlenecks before they impact users.
You collaborate effectively across a small team and directly with consultants, execs, and clients, and help elevate your teammates along the way.
You demonstrate strong problem-solving skills and attention to detail in everything you touch.

Benefits

Life, health, dental, vision, and more coverage.
Performance-based bonus program tied to both individual and company performance.

The Pay Range For This Role Is

60,000 - 110,000 CAD per year(Canadian HQ)

Apply About employer

More about this job

Responsibilities

Build and maintain mobile and web application features across the React Native and MERN stack, taking ownership from requirements discussions through deployment and production support. Collaborate with consultants, executives, clients, and a small cross-functional team to deliver features, resolve bugs and performance issues, and communicate progress clearly.

Requirements

Requires 3–5 years of full-stack development experience, production experience with the MERN stack, and a bachelor's degree in a related field or equivalent practical experience. Candidates should be proficient in JavaScript, React and Redux, Node.js and Express, MongoDB, Git workflows, and software testing, with strong communication and problem-solving skills; React Native familiarity, AI coding tools, and Agile experience are also required.

Skills

JavaScript
React
Redux
React Native
Node.js
Express
MongoDB
Mongoose
RESTful APIs
Git
Unit Testing
Integration Testing
UI Testing
Agile Development
AI Development Tools
Full-Stack Development

Benefits

Life Insurance
Health Insurance
Dental Insurance
Vision Insurance
Performance-Based Bonus

Visa sponsorship

Not detected in the job text

Keywords

MERN Stack
React Native
JavaScript
React
Redux
Node.js
Express
MongoDB
Mongoose
RESTful APIs
Git
Jest
Testing Library
Selenium
Playwright
GitHub Copilot
Claude
Cursor
Agile
Scrum
Kanban
AWS
Azure
Google Cloud Platform
Socket.IO
Material UI
Chart.js
D3.js
OpenAI API
Anthropic API

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