principal software engineer Jobs in illinois

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Staff Full Stack Engineer

Grainger

•

Chicago, Illinois, USA

Full-time

Work Location Type: Hybrid About Grainger: W.W. Grainger, Inc., is a leading broad line distributor with operations primarily in North America, Japan and the United Kingdom. At Grainger, We Keep the World Working by serving more than 4.5 million customers worldwide with products and solutions delivered through innovative technology and deep customer relationships. Known for its commitment to service and award-winning culture, the Company had 2024 revenue of $17.2 billion across its two busines
Posted 10 days ago | Updated 9 hours ago

C++ lead developer

E-Solutions, Inc.

•

California, USA

Third Party

Hi Professionals, Title: C++ Lead Developer Location: Remote JD: Mandatory skills Strong proficiency in C++ (including modern C++ standards like C++11/14/17) Deep understanding of Windows internals, Win32 API, and system-level programming Expertise in COM/DCOM architecture, ATL, and ActiveX controls Proven experience in legacy system migration (e.g., from desktop to cloud or modern platforms) Solid grasp of software architecture principles, design patterns, and system integration Experience with
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Posted 2 days ago | Updated 7 hours ago

Cloud Lead Developer

Advent Global Solutions, Inc.

•

Remote

Contract, Third Party

Role: Cloud Lead Developer 6 Openings Location: VA (Remote) Core Responsibilities (Day-to-Day Activities) As a Cloud Lead Developer (LEAD DEVELOPER / IT912), you will: Lead design, development, and deployment of cloud-native applications. Drive alignment with architectural standards and business objectives. Review and manage code merges and CI/CD pipeline activities using Jenkins, GitHub Actions, or Azure DevOps. Develop and integrate cloud-based solutions, leveraging services like compute, st
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Posted 6 days ago | Updated 8 hours ago

Industrial Engineer

McKesson Corporation

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Remote

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 28 days ago | Updated 9 hours ago

Senior Staff Engineer, End-user Compute Platform

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

We are looking for a Senior Engineer to join our End-User Compute team at NVIDIA. Your work will create a new developer paradigm: enabling dynamic access to desktop compute and applications on demand that can be accessed from anywhere. This role specializes in building server and application products designed to make developers more productive. You'll apply your expertise in software engineering, infrastructure, and DevOps to build a world-class cloud desktop platform. What you'll be doing: Wor
Posted 43 days ago | Updated 9 hours ago

Substation Lead Engineer

Leidos

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Chicago, Illinois, USA

Full-time

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead! We are in search of a Lead Substation Engineer to join our diverse and fast-paced Chicago, IL
Posted 5 days ago | Updated 23 hours ago

Sr Staff Engineer

Constellation Energy

•

Marseilles, 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 6 days ago | Updated 9 hours ago

Certinia Developer

Oscar Technology

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Remote

Contract

About the Role: We're hiring two Certinia Developers to join a high-priority ERP recovery project that needs strong, hands-on development expertise and a collaborative mindset. This is a critical initiative supporting Certinia (FinancialForce) and Salesforce systems for a large user base, with a focus on stabilizing core ERP processes like order and inventory management. In this role, you'll work closely with a Team Lead Developer, Solutions Architect, and other cross-functional team members to
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Posted 2 days ago | Updated 2 hours ago

Lead Full Stack Engineer

Marsh & McLennan Companies

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Remote or Phoenix, Arizona, USA

Full-time

Company: MMC Corporate Description: Marsh & McLennan Shared Services LLC is seeking candidates for the following full-time position based in the Phoenix, AZ office (A telecommuting/hybrid work schedule may be permitted within a commutable distance from the worksite, in accordance with company policies). Lead Full Stack Engineer We will count on you to: Design, code, test, and debug new and existing applications using technologies and databases. Serve as technical expert in implementing comp
Posted 28 days ago | Updated 9 hours ago

Roadway Engineer

Parsons Services Company

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Remote or Buffalo, New York, USA

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: Parsons is now hiring for both a Roadway Engineer I and Roadway Engineer II to work
Posted 60+ days ago | Updated 9 hours ago

Java Lead API Developer

Laiba Technologies LLC

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Lisle, Illinois, USA

Contract

Lead API Developer - eCommerce VIN Parts Catalog Location- [Lisle, IL, 60532] Day 1 onsite Open for both Subcon and FTE Role Overview We are seeking a highly skilled and hands on Lead Developer to drive the design and implementation of APIs for our VIN based parts catalog. This role will lead the technical development of a modular, scalable, and secure eCommerce platform, integrating with Azure API Management (APIM) and leveraging the existing architecture and Java based backend systems. Key Res
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Posted 13 hours ago

Staff Android Engineer, Checkout Flow

Block Inc

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Remote or New York, New York, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across i
Posted 32 days ago | Updated 9 hours ago

Staff Android Engineer, Checkout Flow

Block Inc

•

California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across i
Posted 32 days ago | Updated 9 hours ago

SyteLine - Infor CloudSuite Industrial Consultant

KE Staffing

•

Remote

Contract

Looking for a Lead Developer with CSI and SyteLine experienceLead or Manager experience but needs to be hands-on in this roleNeeds to be Techno/FunctionalMust be customer facing / Business facing.Experience with Tickets.Net / C#, T-SQL Infor CloudSuite Industrial (SyteLine) Developer Infor OS, IDM, and IOM workflow i 5+ years of experience in Infor (CSI) / CloudSuite Industrial (SyteLine) development.Proficiency in Microsoft .NET technologies, including T-SQL, C#, and VB.Net.
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Posted 27 days ago | Updated 14 days ago

Sr Staff Engineer

Constellation Energy

•

Marseilles, 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 30 days ago | Updated 9 hours ago

Data Solutions - Backend Lead Developer (VP) - Hybrid

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

The Backend Lead Developer (Applications Development Technology Lead Analyst - C13) 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: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define
Posted 60+ days ago | Updated 9 hours ago

Staff Engineer II, Firmware (Hybrid)

Becton Dickinson & Company

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Remote or Milpitas, California, USA

Full-time

Job Description Summary Seeking an experienced staff level Firmware Development Engineer to play a leading role in developing high quality instrument control firmware for BD's line of flow cytometers. As a leading member of the firmware development team, you will be responsible for architecting, developing, debugging, and documenting robust and reliable firmware to satisfy the product requirements. Must be detail-oriented, process-focused, and results-driven. Are you ready to make a difference
Posted 60+ days ago | Updated 9 hours ago

Lead ServiceNow Developer

NuAxis LLC

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Remote

Full-time

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose. We know tech, but we love people. NuAxis is home to thinkers and feelers, engineers and artists. We work hard and support each other along the way. Teamwork is more than just a buzzword for us, it's a state of mind. We believe happy employees do amazing work, so join our team NOW! We are currently seeking a talented and motivated L
Posted 36 days ago | Updated 8 hours ago

Lead Engineer, Applications - Edifecs/JavaScript/SQL - Remote

Molina Healthcare

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Remote or Long Beach, California, USA

Full-time

Job Description JOB DESCRIPTION Job Summary Designs and builds company specific enterprise application systems and technology expertise across multiple disciplines. Applies and promotes key principles (e.g., stability, scalability, performance, security, compatibility, re-use), helping ensure a balance between tactical and strategic technology solutions. Considers business problems "end-to-end": including people, process, and technology, both within and outside the enterprise, as part of any
Posted 60+ days ago | Updated 9 hours ago

Oracle ADF Consultant

NSD International, Inc.

•

Remote or Richardson, Texas, USA

Contract, Third Party

Associate Applications Developer II Oracle ADF ConsultantW2 Rate at $40.00 or C2C Rate at $44.00Roles and Responsibilities: Experienced Oracle WebCenter Portal Lead Developer with a minimum of 8 years of hands-on experience in ADF, JavaScript, and REST API.The role involves client-facing responsibilities and requirement gathering for portal development projects.The expected period of the engagement is 2 to 3 months, starting immediately.Top 3 SkillsADFJavaScriptREST APIKey Responsibilities: Lead
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Posted 2 days ago