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Added 1 day ago
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Senior Application Engineer
itec group Inc.
Mississauga, ON
- $40 to $60 CAD / hour
- Full-time
We’re excited to share an opportunity for an existing vacancy for a Senior Applications Engineer
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FULLSTACK ENGINEER
Kablamo
Toronto, ON
- Full-time
Discuss system design, suggest solutions to technical problems and ask senior engineers for help when needed.
Added 1 day ago
FG
Site Reliability Engineer | Release Management & Automation Specialist
FDM Group
Toronto, ON
- Contract
FDM is seeking a Site Reliability Engineer located in Toronto to support a project in the Insurance sector. Involvement in this project is anticipated to last initially 24 months but may be…
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Sr. Distribution Engineer
Actalent
New Westminster, BC
- $125,000 to $165,000 CAD / year
- Full-time
The Senior Distribution Engineer plays a key role in delivering electrical utility infrastructure projects within a fast-growing engineering consulting group. This full-time position is…
Added 1 day ago
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Principal Electrical Engineer - High Voltage Power Systems
Fluor Corporation
Calgary, AB
- Full-time
…systems, and high-voltage balance-of-plant infrastructure. Leads system development, power studies, equipment specification, interface management, and project execution from concept through…
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Verification Engineer
Hexagon
Calgary, AB
- Full-time
Hexagon's Positioning Solutions division, is looking for a GNSS System Verification Engineer to join our high-tech engineering and manufacturing company that is committed to customer…
Added 1 day ago
TI
Project Developer - Turkney
Trane Italia
AB · Calgary, AB
- Full-time
5+ Years of experience working for a consulting engineer performing energy retrofits or HVAC industry design
Added 1 day ago
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Senior Software Engineer II - Platform & Enablement
Wrapbook
Remote, Canada
- $183,000 to $251,500 CAD / year
- Full-time
- Remote
Wrapbook is the AI platform for production finance. We’re building a system of action that puts finance teams in control of their whole production, from payroll, to spend, to accounting.
Added 1 day ago
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System Development Engineer II
Motorola Solutions
Vancouver, BC
- Full-time
As a System Development Engineer II, you sit at the high-velocity intersection of Software Engineering and Systems Architecture, building the sophisticated tooling that allows our systems…
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Technical Support Engineer II
Cohesity
AB · BC
- Full-time
We’ve been named a Leader by multiple analyst firms and have been globally recognized for Innovation, Product Strength, and Simplicity in Design.
Added 1 day ago
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Senior Electrical Engineer
Manpower Alberta
AB · Edmonton, AB
- Contract
We are seeking a highly skilled and experienced Senior Oversight Electrical Engineer to oversee engineering and design aspects of utility-scale solar and wind projects in the USA and…
Added 1 day ago
SC
Utilities Engineer (Senior) - ALTO Project / Cadence
SYSTRA Canada
Montreal, QC
- Full-time
SYSTRA Canada is part of the SYSTRA group, an international consulting and engineering group, a world leader in the design of transport infrastructures. SYSTRA Canada is an engineering and…
Added 1 day ago
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Spécialiste Tests Electronique EGSE (Intermédiaire)
SII Canada
Montreal, QC
- Full-time
We are looking for an Electronics Test Equipment Engineer to contribute to the development, integration, and validation of ground support equipment used for complex electronic systems in a…
Added 1 day ago
SC
Utilities Engineer (Intermediate) - ALTO Project / Cadence
SYSTRA Canada
Montreal, QC
- Full-time
SYSTRA Canada is part of the SYSTRA group, an international consulting and engineering group, a world leader in the design of transport infrastructures. SYSTRA Canada is an engineering and…
Added 1 day ago
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Product Manager
Robert Half
Mississauga, ON
- $80,000 to $95,000 CAD / year
- Full-time
Act as a bridge between customers and a multidisciplinary engineering organization responsible for product design and development.
Added 1 day ago
TI
Senior OCS Engineer - Testing & Commissioning
Techaxis, Inc
Mississauga, ON
- Full-time
One of our direct client is seeking an enthusiastic self-motivated Senior OCS Engineer to work in on one of their light rail project. As the successful candidate your ideas for continuous…
Added 1 day ago
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Intermediate Electrical EIT / Engineer
Recruitment By Design
Mississauga, ON
- $80,000 to $120,000 CAD / year
- Full-time
Low voltage, medium voltage and high voltage electrical system design including power distribution, substation design, protection and control systems and motor control center.
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Transmission Engineer
ATCO
Edmonton, AB
- Full-time
Our Gas & Pipelines Division’s Transmission Engineering group is seeking Engineers to support the planning, design, and delivery of high-pressure natural gas transmission pipeline projects.…
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Structural Co-op (Winter 2027)
HDR
Vancouver, BC
- Full-time
- Temporary
…part of HDR’s Building Engineering Services Group, you’ll help design the critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive.…
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Transmission Line Engineer
HDR
Saskatoon, SK · Vancouver, BC · Calgary, AB
- Full-time
In the role of Transmission Line Engineer, we'll count on you to:
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Software Engineer - Crowdsourcing Platform
Calder
Toronto, ON
- Full-time
Drive the design and implementation of our core crowdsourcing platform and systems
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Software Engineer - Mobile Crowdsourcing Platform
Calder
Toronto, ON
- Full-time
Design reliable data transfer pipelines that move large volumes of sensor, video, and media data from devices to phones to the cloud, with chunking, resumable uploads, retries, compression,…
Added 1 day ago
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Principal Engineer Physical AI Systems Modeling
Renesas Electronics
Ottawa, ON
- Full-time
We are seeking a Principal Engineer (Physical AI - System Modeling) to join the Pathfinding Studio within the Engineering Innovation Office. As a technical thought leader and principal…
Added 1 day ago
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Staff Engineer Physical AI Systems
Renesas Electronics
Ottawa, ON
- Full-time
We are seeking a Staff Engineer (Physical AI - System Engineering) to join the Pathfinding Studio within the Engineering Innovation Office. In this role, you will develop and validate…
Added 1 day ago
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Quality Coordinator
AtkinsRéalis
Toronto, ON
- Full-time
Manage the collection, classification, and retention of Quality Management System (QMS) records while supporting integrated quality program requirements.

Calder

Software Engineer - Mobile Crowdsourcing Platform

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Oct 5, 2026

Original job description

About us:

Calder is solving the data bottleneck for embodied AI and world models. Today's AI models lack the real-world, 4D data needed to reason on spatial problems and operate in physical environments. We capture, process, and deliver high-fidelity human-generated spatial data at scale, providing the substrate that trains the next generation of generalizable models for manipulation, navigation, and interaction.

About the role:

The Crowdsourcing Platform team connects people worldwide with opportunities to collect and contribute data for Physical AI. We build the contributor experience and infrastructure that turn individual contributions into high-quality datasets for AI developers. Physical AI is the largest economic opportunity since the industrial revolution and we aim to provide anyone, anywhere a way to earn by helping autonomous vehicles, manufacturing robots, and humanoids learn to operate in the real world.

You'll build the native mobile apps that help contributors collect data, and get paid, and the connection between those apps and our data collection hardware. The app is built in React Native with substantial native layers in Swift and Kotlin, and most of the hard problems live in the native layer. Your work sits where phones, devices, firmware, and the cloud meet, and it directly affects both contributors' efficiency and earnings and the data available to train autonomous systems.

Build and ship native iOS and Android apps covering discovery, onboarding, task instructions, data capture, submission, feedback, and payment.
Integrate mobile apps with data collection hardware over BLE, Wi-Fi, and USB, including device pairing, provisioning, configuration, and status monitoring.
Design reliable data transfer pipelines that move large volumes of sensor, video, and media data from devices to phones to the cloud, with chunking, resumable uploads, retries, compression, and integrity checks.
Work with firmware engineers to define communication protocols, message formats, and device APIs, and support over-the-air (OTA) firmware updates through the app.
Build offline-first experiences that hold up on low-end devices, poor connectivity, and limited battery and storage.
Build on-device quality checks that give contributors real-time feedback and give AI teams confidence in the data they receive.
Improve app reliability, performance, and observability as the platform grows across geographies, devices, and collection methods.
Work closely with contributors, operations, hardware, and AI teams to understand problems, make technical decisions, and ship improvements.

About you:

Several years building and shipping mobile apps that people depend on in production, with real depth in both Swift (iOS) and Kotlin (Android).
Comfort working across a React Native / TypeScript app and its native modules. You'll cross the JS-to-native bridge daily.
Hands-on experience integrating mobile apps with embedded devices or firmware, such as BLE peripherals, IoT devices, cameras, or sensors.
Strong understanding of communication and data transfer systems: wireless protocols, binary serialization, flow control, error handling, and recovering from partial or failed transfers.
Strong engineering fundamentals and the ability to design, debug, and operate reliable systems, including debugging across the app, device, and network boundary.
Care for the people using your software, including those with different devices, connectivity, languages, and technical experience.
Ability to turn ambiguous problems into practical solutions and own them from design through production.
Good judgment about when to move fast and when correctness, quality, or reliability needs deeper investment.

Experience that would be especially useful:

Writing or reading embedded firmware (C/C++, RTOS, or embedded Linux).
Building OTA update systems or device fleet management tools.
Handling large media or sensor uploads from mobile at scale, including background transfers and platform constraints on iOS and Android.
Working with camera, GPS, IMU, or other sensor data on mobile or embedded devices.
Cross-platform or shared-code approaches (Kotlin Multiplatform, Rust, C++ shared libraries) where they make sense.
Building marketplaces, contributor platforms, or products for large and diverse user groups.
Tools for data collection, mapping, robotics, or autonomous systems.

Calder is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. Learn more here.

By applying for this position, you consent to the collection, storage, and processing of your personal data by Calder for recruitment purposes. We will handle your information securely and in accordance with local privacy policies. Your data may be shared with authorized third-party service providers aiding in the hiring process.

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More about this job

Responsibilities

You will build and maintain native mobile applications that facilitate data collection for Physical AI, integrating them with hardware via BLE, Wi-Fi, and USB. You will also design reliable data pipelines to move large volumes of sensor and media data from devices to the cloud while ensuring offline-first functionality.

Requirements

The role requires several years of experience shipping production mobile apps with deep proficiency in both Swift and Kotlin. Candidates must have hands-on experience integrating mobile apps with embedded devices and a strong understanding of communication protocols and data transfer systems.

Skills

Swift
Kotlin
React Native
TypeScript
BLE
Firmware integration
Mobile app development
Data transfer systems
Embedded devices
IoT
Sensor data
Binary serialization
Debugging
System architecture
Performance optimization

Benefits

Equity

Visa sponsorship

Not detected in the job text

Keywords

Software Engineer
Mobile Development
Swift
Kotlin
React Native
TypeScript
Physical AI
Embedded Systems
BLE
IoT
Firmware
Data Pipelines
Sensor Data
Binary Serialization
Offline-first
Android
iOS
API
OTA Updates
Performance Optimization
Observability
Autonomous Systems
Robotics
Mapping
Data Collection

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