Principal Software Developer Jobs

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Senior/Staff Build and Infra Engineer - Simulation, Special Projects

Apple, Inc.

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No location provided

Full-time

Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other's ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It's the diversity of our people and their thinking that inspires the innovation that runs through every
Posted 60+ days ago | Updated 3 hours ago

Sr. / Staff Data Infrastructure Engineer for Lakehouse, Apple Data Platform

Apple, Inc.

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No location provided

Full-time

The Apple Data Platform team, part of the Services organization, powers analytics and machine learning across Apple. Our mission is to deliver cutting-edge, reliable, and user-friendly infrastructure for data ingestion, storage, processing, and interaction, enabling teams to build data-intensive applications with ease and success. This role sits within the Data Lakehouse team, a part of the Apple Data Platform. The team provides a fully managed Lakehouse solution powered by Apache Iceberg, Icebe
Posted 60+ days ago | Updated 3 hours ago

Thermal Mechanical Design Engineer (Liquid Cooling)

Oracle Corporation

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Santa Clara, California, USA

Full-time

Job Description Oracle's Hardware Development Organization seeks to add an experienced Lead Thermal Mechanical Design Engineer with specific experience in Liquid Cooling to work within its Server Development team in Santa Clara, California. As a member of this design team, you will have the opportunity to lead the thermal architecture of the next state of the art server generations for various Oracle programs, including cloud applications. As a Lead Thermal Engineer, you will focus on the align
Posted 60+ days ago | Updated 4 hours ago

Staff Mechanical Design Engineer, Drive Inverter

Tesla Motors

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Palo Alto, California, USA

Full-time

Tesla's Vehicle Power Electronics group is looking for a skilled and motivated Staff Mechanical Engineer to join the Drive Inverter design team and drive our power electronics designs to the physical limits. This role requires a strong technical background, a critical-thinking mindset, a passion to launch new technologies, and demonstrated ability to execute quickly and effectively. Responsibilities Design and 3D modeling of mechanical packaged semiconductor components and assembliesMechanical
Posted 60+ days ago | Updated 4 hours ago

Systems Integration Engineer Senior Staff - Electrical

Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy's mission to provide affordable and credible strategic defense. We offer unique career opportunities and challenges on a program with a rich history and exciting future. We help keep this nation and our allies secure and we need your expertise to deliver amazing new technologies to our customers while maintaining the technical requirements of the strategic deterrence. Learn about the Trident II D5
Posted 60+ days ago | Updated 3 hours ago

Principal Automation & Controls System Engineer

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 60+ days ago | Updated 4 hours ago

Appian Developer

Perficient

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St. Louis, Missouri, USA

Full-time

We currently have a career opportunity for an Appian Developer to join our team. This is a Remote position, must be located in United States. Perficient is always looking for the best and brightest talent and we need you! We're a quickly growing, global digital consulting leader, and we're transforming the world's largest enterprises and biggest brands. You'll work with the latest technologies, expand your skills, and become a part of our global community of talented, diverse, and knowledgeable
Posted 60+ days ago | Updated 1 day ago

Renewables Engineer (Principal - Staff) - GENERATION Regulated Renewables/Wind, BoP, SCADA

American Electric Power

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Columbus, Ohio, USA

Full-time

Job Posting End Date 08-12-2025 Please note the job posting will close on the day before the posting end date. Job Summary Responsible to the assigned supervisor for performing highly advance engineering work activities and projects requiring the application of engineering knowledge in a safe, effective, efficient and economic accomplishment of assigned objectives. Job Description WHAT YOU'LL DO More Specific to This Opportunity: - Coordinate the overall engineering activities among AEP, EPC
Posted 38 days ago | Updated 4 hours ago

Guidance Navigation and Control Engineer (Mid-Level or Lead)

Boeing Company

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Utah, USA

Full-time

Guidance Navigation and Control Engineer (Mid-Level or Lead) Company: The Boeing Company The Boeing Company is actively recruiting for a Guidance Navigation and Control Engineer (Mid-Level or Lead) to join the team in Hill AFB, UT or Layton, UT. Boeing Defense and Space Systems is growing in the area of aircraft, missile, weapons and autonomous system Guidance Navigation and Control (GN&C) system design, development, integration and test. Flight Engineering is looking for a motivated and tale
Posted 12 days ago | Updated 4 hours ago

Advanced Package Technology Engineer, Senior Staff

Marvell Semiconductor Inc.

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Austin, Texas, USA

Full-time

About Marvell Marvell's semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, automotive, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and be
Posted 60+ days ago | Updated 4 hours ago

Principal Technical Consultant - SQL Server 2025 Engineer

Nasscomm, Inc.

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Remote

Contract, Third Party

Role: Principal Technical Consultant - SQL 2016 Engineer Scope: SQL administrator to perform the following tasks in SQL 2016 to SQL 2025 upgrade initiatives: o Assessment and planning - Includes inventory, DMA scans, risk analysis o Installations/Configuration - Install SQL 2025 on Server 2022, Configure SQL to fit environment/application specifications o Compatibility Testing - Includes app testing, UAT o Migration - Move data to new servers and work with vendors/app owners for testing, Rollbac
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Posted 13 days ago | Updated 10 hours ago

Principal Robotics System Applications Engineer

Analog Devices, Inc.

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Wilmington, Massachusetts, USA

Full-time

About Analog Devices Analog Devices, Inc. (NASDAQ: ADI ) is a global semiconductor leader that bridges the physical and digital worlds to enable breakthroughs at the Intelligent Edge. ADI combines analog, digital, and software technologies into solutions that help drive advancements in digitized factories, mobility, and digital healthcare, combat climate change, and reliably connect humans and the world. With revenue of more than $9 billion in FY24 and approximately 24,000 people globally, ADI
Posted 60+ days ago | Updated 4 hours ago

Principal Hardware Design & Test Engineer

RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-18 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help
Posted 13 days ago | Updated 4 hours ago

Engineer 1- GFI Lead

Insight Global

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Marinette, Wisconsin, USA

Full-time

We are seeking an entry level Engineer to join our team. In this role, you will be responsible for handling change process provided to the navy of initial design and drawings GFI - Government Furnished Info, resolving changes to drawings- communicating with supervisor on their schedules and progress to implement changes, updating equipment lists, daily technical modification orders to electrical (control panels, breakers, electronics) and how changes have effect on the department, and lead verif
Posted 60+ days ago | Updated 5 hours ago

Retro Commissioning Engineer Lead, AMER-Central ACx

Amazon Data Services, Inc.

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Columbus, Ohio, USA

Full-time

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 AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain - and we're looking for talented people who
Posted 60+ days ago | Updated 13 hours ago

Retro Commissioning Engineer Lead, AMER-Central ACx

Amazon Data Services, Inc.

•

Columbus, Ohio, USA

Full-time

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 AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain - and we're looking for talented people who
Posted 60+ days ago | Updated 13 hours ago

Structural Engineer

GEI Consultants, Inc.

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Knoxville, Tennessee, USA

Full-time

Description Your role at GEI. GEI's Marquette, Michigan office is seeking a motivated, staff-level structural engineer to assist with complex and challenging projects at various locations in the Midwest area and throughout the United States and become an integral part of our team of highly skilled professionals. This will provide an excellent opportunity for a new engineer to learn from our senior technical experts and gain experience on a variety of structural and geo-structural projects. The
Posted 60+ days ago | Updated 4 hours ago

Engine Systems & Test Team- Principal Engine Systems Development Engineer

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 60+ days ago | Updated 4 hours ago

Tech Lead, Machine Learning Engineer, TikTok Search Ranking (NLP, Ranking, Relevance, Understanding, User Engagement,LLM))

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A241425 Apply to this job Share this listing: Responsibilities About the team On the TikTok Search Team, you will have the opportunity to develop and apply cutting edge machine learning technologies in real-time large-scale systems, which serve billions of search requests every day. Via advanced NLP and multi-modal models, our projects impact and improve the search experience for hundreds of millions of users globally. We embrace a
Posted 60+ days ago | Updated 3 hours ago

Senior Service Engineer

ABB Inc.

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Des Moines, Iowa, USA

Full-time

At ABB, we help industries outrun - leaner and cleaner. Here, progress is an expectation - for you, your team, and the world. As a global market leader, we'll give you what you need to make it happen. It won't always be easy, growing takes grit. But at ABB, you'll never run alone. Run what runs the world. This Position reports to: Service Team Leader In this role, you will have the opportunity to execute service work of medium to high complexity as per work instructions and ABB guidelines. Eac
Posted 60+ days ago | Updated 4 hours ago