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Added 3 mins ago
Assistant Plant Operator 26-1260
WIN WASTE INNOVATIONS
Saugus, MA
With guidance, operates all aspects of APC system safely and accurately. Adjusts APC system so that system performance is equal to or slightly above facility average. Works with maintenance…
Added 5 mins ago
SS
Data Center Commissioning Engineer
Southern Staffing Group
Red Oak, TX
- $130,000 to $160,000 USD / year
The Commissioning Engineer leads commissioning activities on a mission critical data center construction project in Red Oak, TX. The role coordinates planning, staffing, scheduling,…
Added 9 mins ago
Error: The requested job could not be found.
Sargent & Lundy
State, IL
Added 9 mins ago
Electrical Design Engineer
Caterpillar, Inc.
Mossville, IL
As a Design Engineer with the Large Power Systems Division (LPSD), you will have the opportunity to direct and contribute to the concept, development, and design of complex components,…
Added 9 mins ago
Senior Performance/Simulation/Application Engineer
Caterpillar, Inc.
Mossville, IL
Senior Performance Simulation Application Engineer
Added 9 mins ago
Senior Power Electronics Performance & Application Engineer
Caterpillar, Inc.
Mossville, IL
The Senior Performance / Simulation / Application Engineer will provide technical leadership for the analysis, simulation, application, and electrical integration of Medium Voltage Power…
Added 9 mins ago
PT
Electrical Engineer
PDS Tech Commercial
Rolling Meadows, IL
- $66.92 USD / hour
Ready to engineer advanced motion-control solutions for next-generation aerospace and defense systems? PDS Tech Commercial is partnering with a leading innovator in the aviation industry to…
Added 9 mins ago
Lead Network Engineer 1 - Nuclear
Sargent & Lundy
Warrenville, IL
…77 W Wacker Drive instead of the Warrenville office. Nuclear Power is a carbon-free energy source. Our nuclear power generation clients are digitizing their existing power plants and…
Added 9 mins ago
Construction Sales Engineer - Low/Medium Voltage Switchgear
Siemens
Rolling Meadows, IL · Elk Grove Village, IL
Siemens a global powerhouse in electrical and electronic engineering is looking for a seasoned sales engineer with experience in selling Low/Medium Voltage power distribution products in…
Added 9 mins ago
HT
Control Systems Engineer
Honeywell Technologies
Rosemont, IL
- $108,000 to $134,000 USD / year
Manage I/O lists, sizing, cabinets, marshalling, controller loading, redundancy, power, grounding, and interface registers.
Added 9 mins ago
Front End Web Applications Developer (Mid-Level) (5664)
SMX
Springfield, IL
SMX is currently looking for a highly motivated Software Engineer - Front End Web Applications to contribute to the design, build, support, and implementation of the Budget and Spend (BAS)…
Added 9 mins ago
Front End Web Applications Developer (Junior) (5660)
SMX
Springfield, IL
SMX is currently looking for a highly motivated Software Engineer - Front End Web Application s to contribute to the design, build, support, and implementation of the Budget and Spend (BAS)…
Added 10 mins ago
M
Data Engineer III
McDonald's
Chicago, IL
- $138,207 to $172,758 USD / year
We are seeking a highly skilled Data Engineer III to join the mCDP mParticle engineering team. This role is responsible for designing, developing, and maintaining customer data pipelines,…
Added 10 mins ago
Controls & Automation Engineer
Unilever
Chicago, IL
Position SummaryThe Controls & Automation Project Engineer is responsible for the design, implementation, commissioning, and continuous improvement of automation, controls, and digital…
Added 10 mins ago
AE
Senior Data Engineer - Amex Ads, Offers, and Dining Technology
American Express
Chicago, IL
- $123,000 to $215,250 USD / year
…engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our…
Added 10 mins ago
Electrical Engineer - Power System Protection (Transmission) Job Details | Black & Veatch Family of Companies
Black & Veatch
Chicago, IL
Electrical Engineer - Power System Protection (Transmission)
Added 10 mins ago
Senior Geothermal Consultant Job Details | Black & Veatch Family of Companies
Black & Veatch
Chicago, IL
…while collaborating across subsurface, process/mechanical, and power systems…
Added 10 mins ago
Senior Data Technology Consultant, Databricks Data & AI Practice
EPAM Systems
Chicago, IL
Lead Delivery: Guide teams from advisory through production, applying Databricks best practices for performance, cost optimization (FinOps), security, CI/CD, and MLOps/LLMOps
Added 13 mins ago
Senior Electrical & Controls Engineer
Cruz Associates Inc
Indian Head, MD
Scope of Performance: We are seeking a skilled Electrical & Controls Engineer with a strong background in industrial electrical systems, automation, and process controls. This position…
Added 19 mins ago
O
Support Engineer 1
Oracle
United States
- $21.3 to $45.05 USD / hour
-Monitors and executes own support service performance metrics, with some guidance.
Added 25 mins ago
Electrical Quality Engineer
McCarl's Technical Services
Pittsburgh, PA
The Electrical Quality Engineer is the project quality representative responsible for planning, coordinating, inspecting, testing, documenting, and verifying electrical, instrumentation,…
Added 30 mins ago
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Manufacturing Engineer
Actalent
Edgewater, FL
- $35 to $45 USD / hour
Work EnvironmentThis role is based in a manufacturing environment where the Manufacturing Engineer spends significant time on the production floor, working closely with operations and…
Added 31 mins ago
Power Systems Design Engineer
Actalent
Lima, OH
Job Title: Power Systems Design EngineerJob DescriptionThe Power Systems Design Engineer will lead the design and analysis of industrial power distribution systems, supporting a…
Added 31 mins ago
A
Senior Electrical Engineer
Actalent
Cincinnati, OH
- $130,000 to $140,000 USD / year
Job Title: Sr Electrical EngineerJob DescriptionThe Sr Electrical Engineer leads electrical engineering and design efforts for industrial and commercial building projects, with a focus on…
Added 34 mins ago
Staff Systems Engineer
Skyworks
Austin, TX
Architect analog sub-systems and create models for power, performance and area optimization for these sub-systems

Closed listing

SpaceXSI

Sr. Mobile iOS Engineer

NY, United States
Palo Alto, CA, United States

$200,000 - $375,000 USD

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: $200,000 - $375,000 USD
Posting language: English
Posted: Nov 4, 2026

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Original job description

Archived listing. The details below describe a past opening.

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars.

SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.

SR. MOBILE IOS ENGINEER

We're seeking an exceptional iOS engineer to join a small, high-impact team building X for iOS, the app millions of people use every day to see what's happening and join the global town square. You’ll work in a fast paced environment and take ownership of constantly improving the app; from groundbreaking new features to micro optimizations.

RESPONSIBILITIES:

Craft delightful, intuitive user experiences that redefine how people interact with the app
Obsess over every pixel, animation, and interaction, ensuring the experience feels magical and seamless
Build blazing-fast, highly performant systems where every millisecond counts
Drive technical and product decisions, collaborating with designers, backend, android and web engineers
Own the quality of the products you build - including running a/b tests, finding issues, and proactively making improvements
Be proactive in finding ways to improve the app - from user feedback and from your own daily experience on the app

BASIC QUALIFICATIONS:

Experience in Swift and UIKit

PREFERRED SKILLS AND EXPERIENCE:

Deep expertise in the Apple ecosystem and related development tools
Track record of shipping standout apps or standout features within apps
Deep expertise in iOS development, particularly with Swift. We seek individuals who operate at the highest levels of their craft
Excel at delivering results swiftly, often in a fraction of the time others require. Speed is a core value at SpaceXSI - we must act decisively to succeed
A sharp product sense, with an ability to empathize with users, anticipate their needs, and translate that into features that delight and deliver value
Proficient in performance optimization - memory, CPU, GPU - using low-level tools to deliver blazing-fast systems
Experienced in designing and shipping intuitive, pixel-perfect mobile UIs that redefine how users interact with UI’s
Skilled in concurrency and reactive programming (Combine) for responsive, real-time apps
Built high-throughput integrations with APIs or AI model outputs, ensuring seamless data flow.
Capable of owning complex features end-to-end, from architecture to App Store deployment, with a focus on speed and scalability

COMPENSATION AND BENEFITS:

$200,000 - $375,000 USD

Base salary is just one part of our total rewards package at SpaceXSI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXSI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.