principal software engineer Jobs in illinois

381 - 400 of 730 Jobs

Substation Lead EngineerJob Title - Substation Lead Engineer

LeidosCompany Name - Leidos

•

Chicago, Illinois, USA

Full-time

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 organizati

Informatica MDM Lead/DeveloperJob Title - Informatica MDM Lead/Developer

IT Resonance Inc.Company Name - IT Resonance Inc.

•

Remote

Contract, Third Party

Informatica MDM Lead/Developer 12 months Remote with occasional Travel Technical expertise in Informatica MDM (on-premise), ActiveVOS, Provisioning UI, Informatica PowerCenter/ICS, IDQ/CDQ, SQL, Experience with integrations, particularly with SAP (IDoc via Informatica Cloud Data Integration) and Salesforce. Regards Stephen DJA stephen at itresonance dot com

Java Lead DeveloperJob Title - Java Lead Developer

Katal TechCompany Name - Katal Tech

•

Chicago, Illinois, USA

Contract, Third Party

Skillset: Java microservices, Kafka, AI/ML, AWS Java Lead: An Lead has an end to end product mindset - design, implementation, testing and deployment Design and developer application using Core Java Design and developer application using J2EE. Experience in J2EE design patterns Create/consume Rest APIs & Microservices Experience with AI/ML Experience with CI/CD, Jenkins Experience with Junit/Mockito Experience with database (SQL/No-SQL_ Experience with Agile, Jira, Git Experience with Kafka/K

C++ lead developerJob Title - C++ lead developer

E-Solutions, Inc.Company Name - 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

Staff Full Stack EngineerJob Title - Staff Full Stack Engineer

GraingerCompany Name - 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

Substation Lead EngineerJob Title - Substation Lead Engineer

LeidosCompany Name - Leidos

•

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

Senior Staff Engineer, End-user Compute PlatformJob Title - Senior Staff Engineer, End-user Compute Platform

NVIDIA CorporationCompany Name - NVIDIA Corporation

•

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

Sr Staff EngineerJob Title - Sr Staff Engineer

Constellation EnergyCompany Name - 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

Certinia DeveloperJob Title - Certinia Developer

Oscar TechnologyCompany Name - Oscar Technology

•

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

Lead Full Stack EngineerJob Title - Lead Full Stack Engineer

Marsh & McLennan CompaniesCompany Name - Marsh & McLennan Companies

•

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

.Net DeveloperJob Title - .Net Developer

Solugenix CorporationCompany Name - Solugenix Corporation

•

Remote or Los Angeles, California, USA

Full-time, Contract

.Net Developer Los Angeles, CA (Remote/Onsite) 6-Month contract to hire Job ID 25-09723 Solugenix is assisting a client, a health insurance company, in their search for a .Net Developer. This is a 6-month contract to hire opportunity based out of Los Angeles, CA (Remote/Onsite).The .NET Developer II designs and develops .NET Web applications, web services, and windows applications using C#.NET on Visual studio .NET 2010 and 2013, JavaScript, AJAX and is under the supervision of a senior or lead

SyteLine - Infor CloudSuite Industrial ConsultantJob Title - SyteLine - Infor CloudSuite Industrial Consultant

KE StaffingCompany Name - 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.

Java Lead API DeveloperJob Title - Java Lead API Developer

Laiba Technologies LLCCompany Name - Laiba Technologies LLC

•

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

Roadway EngineerJob Title - Roadway Engineer

Parsons Services CompanyCompany Name - Parsons Services Company

•

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

Staff Android Engineer, Checkout FlowJob Title - Staff Android Engineer, Checkout Flow

Block IncCompany Name - 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

Staff Android Engineer, Checkout FlowJob Title - Staff Android Engineer, Checkout Flow

Block IncCompany Name - Block Inc

•

Remote or New York, New York, USA

Full-time

Sr Staff EngineerJob Title - Sr Staff Engineer

Constellation EnergyCompany Name - Constellation Energy

•

Marseilles, Illinois, USA

Full-time

Actimize IFM Lead developerJob Title - Actimize IFM Lead developer

Laiba Technologies LLCCompany Name - Laiba Technologies LLC

•

Remote

Contract, Third Party

Position: Actimize IFM Lead developer Location: Remote, USA 5+ years of development experience in Actimize IFM Solutions Experience in developing customized AIS and RCM Components. Good Knowledge and understanding of the RCM Objects. Proficiency in development of custom profiles, AIS/RCM Plugins. Implementation experience of ActOne and IFM-X install, configure and code with in Actimize modules comprising of the Microsoft SQL. Experience in Solution upgrades and profile migrations. Good understan

Data Solutions - Backend Lead Developer (VP) - HybridJob Title - Data Solutions - Backend Lead Developer (VP) - Hybrid

CitiCompany Name - Citi

•

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

Staff Engineer II, Firmware (Hybrid)Job Title - Staff Engineer II, Firmware (Hybrid)

Becton Dickinson & CompanyCompany Name - Becton Dickinson & Company

•

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