Jobs in the United States

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Added 3 mins ago
Lead Director Product Membership
CVS Health
Remote, United States
In this high-impact leadership role, you will manage a dedicated cross-functional engineering and technical team (comprising Software Development Engineers, Data Engineers, Salesforce…
Added 3 mins ago
Rotational Engineer
Chart Industries
Salem, NH · Brentwood, NH
Integrating product, process and functional design of the facility or designated area.
Added 3 mins ago
Structured Cabling Systems Telecom Project Lead
Jacobs
Bedford, NH
…who thrives in a fast-paced, collaborative work environment and who also enjoys working closely with clients in the Data Center market, this opportunity is for…
Added 3 mins ago
Quality Engineer - Orion Assembly
General Motors LLC
Lake Orion, MI
The Quality Engineer owns quality performance for vehicle systems (interior components) on Orion-built vehicles. This role leads problem solving, control plan execution, supplier and plant…
Added 3 mins ago
Associate Software Engineer
Highmark Health
Concord, NH
This job is an integral member of an agile software engineer team responsible for building scalable software applications across all digital channels to serve our customers. Responsible for…
Added 3 mins ago
Director - Customer Response Engineering
Trellix
Concord, NH
The Director leads CRE globally and owns engineering response for strategic customers across our endpoint, data security, email, and network products. The role also owns prevention: finding…
Added 3 mins ago
Mechanical Engineer, Data Center Operations Engineering
Meta
Concord, NH
Meta is seeking a Mechanical Engineer to join our Data Center Operations Engineering team. Our data centers are the foundation upon which our rapidly growing infrastructure efficiently…
Added 3 mins ago
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Java Full Stack Engineer with Spring boot/AWS Experience
Cognizant
Concord, NH
- $86,000 to $99,000 USD / year
As a Java Full Stack Engineer with Spring boot/AWS exp, you will make an impact by designing and delivering scalable, cloud-native healthcare payer applications that improve payment…
Added 3 mins ago
Network Operations Engineer
Meta
Concord, NH
Meta is seeking a Network Operations Engineer to join our Edge and Network Services (ENS) Foundation NetOps team. In this role, you will utilize your knowledge in hyperscale data center…
Added 3 mins ago
Staff Software Architect
CVS Health
Concord, NH
Lead the design of highly scalable, fault-tolerant, and cost-optimized platforms supporting clinical AI/ML workloads - including LLM inference pipelines, document processing at scale, and…
Added 3 mins ago
AI Operations Administrator - Gravitee - Remote US
SitusAMC
Concord, NH
…function, responsible for the administration, configuration, and day-to-day operation of SitusAMC’s enterprise AI tools and the API management layer that connects and governs them. The role…
Added 3 mins ago
C
Java Full Stack Engineer with Spring boot/AWS Experience
Cognizant
Concord, NH
- $86,000 to $99,000 USD / year
As a Java Full Stack Engineer with Spring boot/AWS exp, you will make an impact by designing and delivering scalable, cloud-native healthcare payer applications that improve payment…
Added 3 mins ago
Manufacturing Engineer
Lovejoy Curtis LLC
Keene, NH
Define and justify continuous improvement projects, Lean-6S, which address systemic problems in manufacturing. Lead or participate in Design of Experiments- DOEs, data collection, analysis,…
Added 8 mins ago
Engineer I
State of Delaware
Dover, DE
This position plans and conducts field inspections of projects under construction to collect data and ensure conformance with relevant plans, standards, specifications and state/federal…
Added 14 mins ago
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(L1) & (L2) Datacenter Technician
TEKsystems
Abernathy, TX
- $20 to $38 USD / hour
Seeking Data Center Technicians to support the construction and deployment of a large-scale AI data center campus in Abernathy, Texas. This is a unique opportunity to join a high-profile…
Added 14 mins ago
Resident Project Representative (Haskell, Tx)
Insight Global
Haskell, TX
An Insight Global client is looking for a Resident Project Representative to join their team in support of data center construction projects they are involved in. They are needing someone…
Added 14 mins ago
Data Center Controls Engineer, Boling, TX
Amazon
Boling, TX
AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all…
Added 14 mins ago
Data Center Controls Engineer, Boling, TX
Amazon
Wharton, TX
AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all…
Added 14 mins ago
Development Project Engineer
Quality Technology Services, LLC
Wilmer, TX
The Development Project Engineer is primarily responsible for assisting with the design, preconstruction and construction activities on a given project(s). The Development Project Engineer…
Added 14 mins ago
Sr. Solutions Consultant
Sprinklr
Remote, United States
By combining human instinct with the speed and efficiency of AI, Sprinklr helps brands earn trust and loyalty through personalized, seamless, and efficient customer interactions. Sprinklr’s…
Added 15 mins ago
TS/SCI Content Developer - SIEM/SOAR
Insight Global
JBSA Lackland, TX
Leverage security alerts and enriched log data to improve operators’ ability to accurately identify and respond to legitimate cyber threats.
Added 15 mins ago
Process Control Engineer - Control Systems (53405)
Chevron Phillips Chemical
Orange, TX
Chevron Phillips Chemical is seeking a Process Control Engineer to join our Southeast Texas Chemical Complex (STCC) manufacturing Polyethylene facility located in Orange, Texas. This role…
Added 15 mins ago
AI Operations Administrator - Gravitee - Remote US
SitusAMC
Austin, TX
…function, responsible for the administration, configuration, and day-to-day operation of SitusAMC’s enterprise AI tools and the API management layer that connects and governs them. The role…
Added 16 mins ago
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Senior Desktop Test Automation Engineer
TEKsystems
Round Rock, TX
- $55 to $60 USD / hour
Dell is seeking a Senior Desktop Test Automation Engineer / SDET to own and architect automated testing for Elevation Builder, a Windows desktop application used by Dell's pre-sales…
Added 16 mins ago
Regional Economics & Planning Advisor/Engineer
Marathon Petroleum Corporation
San Antonio, TX
Data Analysis - Data Analysis is the process of identifying, evaluating, interpreting and organizing data so that it can be used for business decisions. It includes sorting through data to…

Calder

Software Engineer - Mobile Crowdsourcing Platform

Redwood City, CA, United States

$125,000 to $250,500 USD / year

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Job details

Pay: $125,000 to $250,500 USD / year
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. https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf

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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