Principal Engineer Jobs in Illinois

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Database Engineer

intiGrow

Remote

Contract

100%Remote We are seeking an experienced Staff Database Engineer (contractor) to design, build, and optimize complex data systems. This senior-level contractor will work across multiple domains including data architecture, pipeline development, and system operations. Key Responsibilities Design and implement scalable and reliable data architectures that support large-scale data processing, transformation, and analysis. Develop, maintain, and optimize ETL/ELT pipelines using modern tools and

Lead Field Service Engineer - Automation

GE Vernova

Remote

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. The Lead Field Service Engineer - Autom

Senior Staff Verification Engineer

Marvell Semiconductor Inc.

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

Senior Staff IT Developer

Right Skale, Inc.

Illinois, USA

Third Party

The Staff/Senior Staff IT Developer (Application Security) will design and secure internal applications, conduct security code reviews, perform penetration testing, and collaborate with cross-functional teams in an Agile environment. Key Responsibilities: Design secure, scalable IT solutions focused on performance. Conduct security code reviews for quality and best practices. Identify and remediate vulnerabilities (e.g., XSS, SQLi, CSRF, SSRF). Perform web app penetration testing (manual/automa

Lead Android Software Engineer

eBay Inc.

Remote or Portland, Oregon, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur

React / UI Developer

Parsons Services Company

Remote

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Join Our Team as a Senior React Front-End Developer at Parsons! Are you a passionat

Lead Electrical Engineer

Sargent & Lundy LLC.

Chicago, Illinois, USA

Full-time

Description This position will offer you the opportunity to work as a lead engineer in a project team environment involved in the design, modification, and analysis of electrical systems for projects ranging from existing plant retrofits to new generation installations.You will be involved in power distribution designs and the preparation of specifications for the procurement of major electrical power equipment and related installation services needed to support the projects.Assist project mana

Senior/Lead Full Stack Developer

iSpace, Inc

Remote

Contract

JOB DETAILS: Title: Senior/Lead Full Stack Developer with AI Location: Remote Work (PST work hours - Team is based out in Los Angeles, CA) Type: 12 24 plus months contract (long term - extendable) Job Description: Seeking a Lead Full Stack Developer that can develop large scale enterprise applications using React.js for front-end, Node.js for API s & MySQL for backend. Along with Kubernetes experience, and experience working with offshore development team. Experience with designing and implemen

Senior Staff Engineer, iOS - Communication and Connectivity

Airbnb

Remote

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: Airbnb is powered by our Guests & Hosts. Our teams work on everything from driving improvements for the end

Lead Software Engineer - Advice & Planning Platform (Portfolio Construction)

T. Rowe Price

Remote or Maryland, USA

Full-time

Requisition Number: 75515 Position Title: External Description: Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States (e.g., H1-B visa, F-1 visa (OPT), TN visa or any other non-immigrant work status). About this Position As a Lead Software Engineer for T. Rowe Price's new Planning and Advice platform team, you will play a key role in the design, development, and deliver

Data Engineer

SGS Consulting

Remote

Contract

100% Remote Position Manager s Comment: SSIS packages.ADF.Kafka Data Streaming.Migration.Prior exp with healthcare is preferred.Central Time Zone Preferred.SQL Server.Real-Time Experience.ETL/ELT pipelines.Python or C# is beneficial to have.AI / Cursor exp is preferred.Overview We are seeking an experienced Staff Database Engineer (contractor) to design, build, and optimize complex data systems. This senior-level contractor will work across multiple domains including data architecture, pipeline

Lead IAM Engineer

Centene Corporation

Florida, USA

Full-time

You could be the one who changes everything for our 28 million members by using technology to improve health outcomes around the world. As a diversified, national organization, Centene's technology professionals have access to competitive benefits including a fresh perspective on workplace flexibility. Position Purpose: Leads the Identity and Access Management systems and solutions. Performs review of system, user, and administrative roles and accounts and to understand access levels for enter

Staff Software Engineer, Guest & Host - Pricing Guidance Team

Airbnb

Remote

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: Airbnb is powered by our Host and Guest communities. Our teams work on everything from driving improvements

Lead Piping Stress Engineer 1 - Nuclear

Sargent & Lundy LLC.

Remote

Full-time

Description Piping Engineering & Analysis Synopsis The Piping Engineering & Analysis discipline performs evaluations for piping systems in accordance with ASME Boiler and Pressure Vessel Code, ASME B31.1, ASME B31.7, and other codes as applicable to the specific evaluation being performed. The Piping Engineering & Analysis discipline also performs the following specialty topics. Vibration monitoring and analysis to evaluate system operational vibrations associated with plant modifications and

Lead Field Service Engineer-MV/LV Drives

GE Vernova

Remote

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. The Lead Field Service Engineer - Driv

Java Developer

Informatic Technologies

Chicago, Illinois, USA

Contract

Office: 2 days a week minimum Description The individual will work on feature enhancements, performance improvements, bug fixes and troubleshooting production issues, with a broad range of Clearing and risk applications. The candidate must be self-motivated and eager to learn new technologies. He/she will need good analytical skills and will have the opportunity to work with the end users directly to come up with creative and practical technology solutions for different business problems. He/sh

Lead Data Engineer / Lead Data Architect

Bossini Technologies

Remote

Contract

Job Title: Lead Data Engineer / Lead Data ArchitectLocation: Remote (Preference for US-based candidates)Start Date: ASAP Must have 12+ years of overall IT exp. No OPT or CPT candidates H1B Transfers are encouraged to apply Must be authorized to work in the U.S. without sponsorship (unless H-1B transfer) Job Summary:We are seeking a highly skilled Lead Data Engineer / Lead Data Architect with strong experience in Python and Databricks, preferably with a background in pharmaceuticals or supply cha

**VP, Front End UI Lead Developer (Apps Dev Tech Lead Analyst )- C13

Citi

Remote or Tampa, Florida, USA

Full-time

Job Description The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Develop UI components, screens using the UI technologies such as Angular, React, Bootstrap, HTML5, CSS Develop applications using Java, UI Frame

Senior Staff Full Stack Engineer

eBay Inc.

Remote or San Jose, California, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur

Lead Engineer Wealth Mgmt Client 360

Northern Trust

Chicago, Illinois, USA

Full-time

About Northern Trust: Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889. Northern Trust is proud to provide innovative financial services and guidance to the world's most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world'