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Added 15 hours ago
SC
Utilities Engineer (Intermediate) - ALTO Project / Cadence
SYSTRA Canada
Montreal, QC
- Full-time
…reports, or municipal utility applications; Knowledge of municipal design standards and review and approval processes; Experience with existing municipal infrastructure and coordinating…
Added 15 hours ago
FI
Quality Engineer - Mainframe
FP Inc.
Toronto, ON · Scarborough, ON
- $50 to $65 CAD / hour
- Contract
Design, develop and maintain a modular, extensible, and reusable test automation framework to enable continuous testing in an agile environment.
Added 15 hours ago
DT
Development Engineer
Dragonfleye Therapeutics Corp.
Toronto, ON
- Full-time
Dragonfleye is looking to add a Development Engineer to their Ocular Device team. This is a highly hands on role and will work cross-functionally with Quality & Design, Program Management…
Added 15 hours ago
AG
Senior Mine Engineer
Alamos Gold Inc.
Lynn Lake, MB
- Full-time
As Senior Mine Engineer, you will play a strategic role in supporting the successful development and execution of mining operations at the Lynn Lake Gold Project. Reporting to the Chief…
Added 15 hours ago
C
Software Engineer - Crowdsourcing Platform
Calder
Toronto, ON
- Full-time
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…
Added 15 hours ago
C
Software Engineer - Mobile Crowdsourcing Platform
Calder
Toronto, ON
- Full-time
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…
Added 15 hours ago
RE
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 15 hours ago
RE
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 15 hours ago
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Data Solutions Engineer
Dexterra
Mississauga, ON
- $80,000 to $100,000 CAD / year
- Full-time
As a Data Solutions Engineer, you will design, build, and support data-centric solutions that connect business needs with technical delivery. You will work with architects, business…
Added 15 hours ago
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Quality Coordinator
AtkinsRéalis
Toronto, ON
- Full-time
Develop, implement, and maintain the Integrated PMS Program, including design readiness validations and review processes at key project milestones.
Added 15 hours ago
A
Manager, Computers and Digital Systems, Engineering Excellence
AtkinsRéalis
Mississauga, ON
- Full-time
Oversee the development, validation, maintenance, and long-term support of proprietary software tools used for engineering design, analysis, and plant operations.
Added 15 hours ago
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Senior AI Engineer - Oncology Biometrics
WATAR-AI
Canada
- Full-time
Design agent and multi-agent workflows end to end, including task decomposition, state and memory, tool design, routing, failure recovery, and human-in-the-loop checkpoints.
Added 16 hours ago
AM
Sr. Systems Design Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
We are looking for a dynamic, energetic Systems Design Engineer to join our growing team. As a key contributor to the success of AMD’s product, you will be part of a leading team to drive…
Added 16 hours ago
BI
Design Engineer
Badger Infrastructure Solutions
Red Deer, AB
- Full-time
The Design Engineer is accountable for the development and design of non–destructive excavation equipment. Responsibilities will include the preparation of CAD models, FEA simulations,…
Added 16 hours ago
DT
Scientist
Dragonfleye Therapeutics Corp.
Toronto, ON
- Full-time
You'll be a hands-on scientist on our Preclinical and Translational Research team, focused on research and development in ophthalmology. You'll generate the in vivo, ex vivo, and in vitro…
Added 16 hours ago
T
System Engineer II - FTT
TransLink
Vancouver, BC · Greater Vancouver, BC
- $100,080 to $150,120 CAD / year
- Temporary
Leads integrated system projects of moderate scope and risk, and/or assists System Engineer III’s on assigned elements of projects involving large scope and highest risk.
Added 16 hours ago
M
Stagiaire en opérations critiques Centre de données / Critical Environment Ops INTERN Data Center
Microsoft
Quebec, QC
- Full-time
Added 16 hours ago
DT
Mechanical Engineer
Dragonfleye Therapeutics Corp.
Toronto, ON
- Full-time
Dragonfleye is looking to add a Mechanical Engineer to their Ocular Injector Device team. This is a highly hands on role and will work cross-functionally with Quality & Design, Program…
Added 16 hours ago
ES
Engineer in Training (EIT)
ENTRUST Solutions Group
AB · Calgary, AB
- Full-time
ENTRUST Canada is currently seeking a SCADA Engineer/Engineer-in-Training to join our team. Our team delivers specifications and designs for SCADA and communications systems at the site…
Added 16 hours ago
HS
Senior Software Engineer
Henry Schein One Canada
Surrey, BC
- $130,000 to $142,000 CAD / year
- Full-time
In this role, you will design, develop, test, and deliver reliable software for a complex SaaS platform used by dental professionals throughout their day. You will work across the…
Added 16 hours ago
RE
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 16 hours ago
RE
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 16 hours ago
C(
Senior Project Manager (Design & Construction)
CORIX (CA) DE SERVICES LIMITED PARTNERSHIP
Vancouver, BC
- $124,617 to $148,581 CAD / year
- Other
Corix is looking for a Senior Project Manager to lead our largest and most complex district energy and utility infrastructure projects from development through design, construction,…
Added 17 hours ago
Senior AI/ML & Robotics Platform Developer
Siemens
Kitchener, ON
We are seeking a Senior AI/ML & Robotics Platform Engineer to help define the data, metadata, validation, and evaluation backbone for a Physical AI platform in Canada. This role will be…
Added 17 hours ago
Backend Engineer – Workflow Execution and Orchestration, Kitchener, ON
Siemens
Kitchener, ON
About the role: Backend Engineer for Workflow Execution and Orchestration

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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