Principal Software Developer Jobs

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Engineer, Sr Staff Fuels

Constellation Energy

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Warrenville, Illinois, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our
Posted 60+ days ago | Updated 5 hours ago

Member of Technical Staff - Data Infrastructure Engineer (DevOps|SRE|Platform Engineering|MLOps

Microsoft Corporation

•

New York, New York, USA

Full-time

As Microsoft continues to lead the frontier of artificial intelligence, we are seeking passionate and driven engineers to solve some of the most challenging and impactful AI problems of our time. Our vision is bold: to build intelligent systems across agents, applications, services, and infrastructure - and to make this intelligence universally accessible for consumers, businesses, and developers alike. Microsoft AI (MAI) is looking for an experienced Data Infrastructure Engineer to join the te
Posted 60+ days ago | Updated 5 hours ago

Senior Data Science Manager

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 60+ days ago | Updated 6 hours ago

Electrical Systems Safety Engineer (Mid-Level, Senior, Principal)

Boeing Company

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Hazelwood, Missouri, USA

Full-time

Electrical Systems Safety Engineer (Mid-Level, Senior, Principal) Company: The Boeing Company Boeing Defense, Space and Security (BDS) has an exciting opportunity for an experienced Electrical Systems Safety Engineer on the Air Dominance, Air Proprietary 1 (AP1) Program in Hazelwood, MO. Our team are currently hiring for a broad range of experience levels including Mid-Level, Senior, and Principal. Here is a phenomenal opportunity to execute development excellence on an exciting, fast-paced,
Posted 43 days ago | Updated 6 hours ago

Engineer, Sr Staff Fuels

Constellation Energy

•

Warrenville, Illinois, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our
Posted 60+ days ago | Updated 15 hours ago

Senior .NET Lead Developer/Architect

Triune Infomatics Inc

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Santa Clara, California, USA

Contract

Role: Senior .NET Lead Developer/Architect Location: Santa Clara, CA Duration: 6+ Months Contract to Hire Job Description: We are looking for a passionate and experienced Full Stack or Back-End Developer with a strong foundation in Microsoft technologies. The ideal candidate will be responsible for building and maintaining high-performance web applications using .NET Core, C#, ASP.NET, and MVC frameworks. You will also work with SQL Server to manage data storage and retrieval, and use Git for v
Easy Apply
Posted 60+ days ago | Updated 2 days ago

Principal GIS Apps Product Engineer - ArcGIS Flight

Esri

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Remote

Full-time

Overview Merge your passion for drones, mobile applications and GIS by joining a fast-paced environment driven to make a difference. The ArcGIS Flight team builds purposeful and delightful mobile solutions which help map our world using drones. Whether responding to events, maintaining critical infrastructure, or providing humanitarian aid; ArcGIS Flight is transforming the way organizations use drones all over the world. If you are an individual who is passionate about shaping and delivering c
Posted 3 days ago | Updated 6 hours ago

Mars MBSE SysML Digital Engineer

Aerospace Corporation

•

Washington, District of Columbia, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,
Posted 60+ days ago | Updated 6 hours ago

Senior Staff Machine Learning Engineer, Relevance and Personalization

Airbnb

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No location provided

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Join Airbnb's Relevance and Personalization team, where you'll have a unique opportunity to shape the discov
Posted 60+ days ago | Updated 6 hours ago

Lead Underground Transmission Line Engineer 1 - Grid

Sargent & Lundy LLC.

•

Phoenix, Arizona, USA

Full-time

Description This position will offer you the ability to apply and expand your knowledge of underground transmission line engineering, including routing, duct bank configurations, manhole placement and electrical principles to: Design of complex underground transmission lines for voltages up to 500kVResponsible for cost analyses, development of design criteria, siting and routing in complex environments, and placement of manholes for underground transmission linesResponsible for physical design
Posted 6 days ago | Updated 17 hours ago

Lead Power Electronics Development Engineer

GE Vernova

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Houston, Texas, USA

Full-time

Job Description Summary GE Vernova's Power Conversion & Storage business combines advanced energy conversion and storage systems to meet the electrification needs of utilities and industries. With a focus on power stability, energy storage and industrial electrification solutions, Power Conversion & Storage empowers customers by addressing their most complex electrification challenges and accelerating their transition to a sustainable, decarbonized future. If you are dreaming and passionate to
Posted 60+ days ago | Updated 6 hours ago

RF Antenna Test and Integration Engineer, Staff - Grand Prairie, TX

Lockheed Martin Corporation

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Grand Prairie, Texas, USA

Full-time

Job Description You will be an RF Sensor Engineer at Lockheed Martin, responsible for driving technical excellence, commonality, affordability, and producibility across multiple cross-functional and cross-program boundaries to develop novel RF Sensor Technologies. Our team is dedicated to delivering innovative solutions, and you will play a key role in collaborating with design engineers to develop and integrate antenna architectures, testing individual antenna elements and arrays, and calibrat
Posted 32 days ago | Updated 5 hours ago

Senior Staff System Validation Test Engineer

Marvell Semiconductor Inc.

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Santa Clara, California, 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 54 days ago | Updated 6 hours ago

Lead Commissioning Start Up ICSS Engineer

Bechtel Corporation

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Houston, Texas, USA

Full-time

Requisition ID: 285640 Relocation Authorized: National - Family Telework Type: Part-Time Telework Work Location: Houston, TX Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world's infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Differentia
Posted 27 days ago | Updated 6 hours ago

Principal Mechanical Design Repair Engineer (P4) - Onsite

RTX Corporation

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Berwick, Maine, USA

Full-time

Date Posted: 2025-07-16 Country: United States of America Location: PW105: North Berwick Wells Road, Route 9, North Berwick, ME, 03906 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're seeking the people to drive
Posted 11 days ago | Updated 5 hours ago

Assistant Chief Engineer (Data Center)

JLL

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Elk Grove Village, Illinois, USA

Full-time

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant e
Posted 60+ days ago | Updated 6 hours ago

Senior Highway Engineer - Team Lead

HDR, Inc.

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Charlotte, North Carolina, USA

Full-time

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we work to weave diversity, equity, and inclusion into our work and foster a sense of belonging throughout the company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story:' ' Each and every role throughout our organ
Posted 60+ days ago | Updated 5 hours ago

Senior / Lead .Net Fullstack Developer (.Net Core + Angular) - Locals / Nearby to MA - W2 Role

Info Dinamica Inc

•

Milford, Massachusetts, USA

Contract

Role: Senior Software Engineer (L6) - .Net FSD (.Net Core + Angular) - Full Stack Developer Location: Milford, MA (USA) - Onsite (Need local candidates or near by states) W2 Contract .Net Tech Lead and Sr Developer - 2 Roles Summary: We are looking for a Senior Software Engineer to join a dynamic team creating software to develop cloud applications using Microsoft based tech stack. The candidate will work collaboratively with the design lead, product owners, and other business stakeholders to un
Easy Apply
Posted 2 days ago | Updated 4 hours ago

Lead Protection and Control Engineer 1 - GRID

Sargent & Lundy LLC.

•

Englewood, Colorado, USA

Full-time

Description This position will offer you the ability to directly apply your knowledge of protective relaying and controls systems for distribution and high voltage substations. As a Lead Protection & Control Engineer you will primarily review the work of others. That work will typically consist primarily of protection and control schematics and wiring drawings for a wide range of substation modifications and upgrades to support client requirements. You will be responsible for reviewing protect
Posted 60+ days ago | Updated 5 hours ago

Lead Commissioning & Testing Engineer 2 - Grid

Sargent & Lundy LLC.

•

Wilmington, Delaware, USA

Full-time

Description This is a field assignment based near Wilmington, DE. The location of the assignment can vary depending on the job and/or client. Candidates must be willing to travel to field assignments. Primary Responsibilities: Oversee commissioning activities for substation projects, ensuring compliance with engineering and operational standards.Provide engineering oversight, including reviewing designs, troubleshooting issues, and coordinating with teams.Manage system testing, verification, an
Posted 16 days ago | Updated 5 hours ago