Principal Software Developer Jobs in Chicago, IL

Refine Results
481 - 500 of 742 Jobs

Lead Palantir Developer

Enfycon Inc

•

Remote

Full-time, Third Party

Required Qualifications: 12+ years of overall software engineering experience.8+ years of hands-on experience with Palantir Foundry and Gotham.Strong experience in Java using springboot (backend).4+ years of experience building data dashboards using Plotly Dash.Solid understanding of data structures, ETL processes, and SQL.Experience with Git, CI/CD tools, and agile development methodologies.Excellent communication, leadership, and problem-solving skills.Education and Certificate: Bachelor s o
Easy Apply
Posted 1 day ago

Lead Infrastructure Engineer

EPAM Systems

•

Remote

Full-time

We are seeking a highly skilled Lead Infrastructure Engineer to join our dynamic EPAM Unified Communications team. This role demands expertise in advanced communication technologies, including online conferencing, telephony, and contact center services, to drive impactful business solutions and solve complex challenges. This position offers remote setup with the flexibility to work from any location in Georgia, whether it's your home, well-equipped offices in Tbilisi and Batumi or a coworking s
Posted 1 day ago | Updated 6 hours ago

Senior Appian Developer- Remote

ICF

•

Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the US* ICF's Digital Modernization division is a rapidly growing, entrepreneurial, technology department, seeking a Lead Appian Developer to support upcoming needs with our federal customers. Our Digital Modernization division is an information technology and management consulting department that offers integrated, strategic solutions to its public and private-sector clients. ICF has the expertise, agility, and commitment to design,
Posted 18 days ago | Updated 6 hours ago

Principal Cybersecurity Engineer (Hybrid-Puerto Rico)

RTX Corporation

•

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-04-15 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace has an exciting opportunity for an experienced Software/Cybersecurity Engineer. We are looking for a strong, passionate problem-solver with an action-oriented, collabor
Posted 60+ days ago | Updated 6 hours ago

Lead Protective Relaying Engineer 2

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description This position offers a hybird schedule of in office days and remotely. This senior engineering position is within Sargent & Lundy's Electrical Analytical Division and will be responsible for the following: Performing protection system calculations and analysis to support a wide variety of clientsDevelop relay settings associated with HV/EHV Substation and Transmission LinesDevelop relay settings for Power Station Generators, Transformers, Motors and Medium Voltage and Low Voltage p
Posted 57 days ago | Updated 6 hours ago

Lead Electrical Analytical Engineer 2

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description This position allows for a hybrid work schedule with a mix of work spent in office and working remote from home. This position will offer you the opportunity to utilize and expand your academic background in Power Systems to provide power system modeling and analytical support interdisciplinary project teams. You will be involved in supporting the interconnection of new power generation resources - including onshore and offshore wind, solar PV, battery energy storage, and traditiona
Posted 57 days ago | Updated 6 hours ago

Lead Front End Developer

Virtuous Tech Inc

•

Remote

Contract

Lead Frontend / Angular Developer Location: Remote Duration: 12-14 months Job Description: Angular 14 or later, Ngrx, RxJS JavaScript, NodeJS, GitHub, understanding of end to end test and unit test Role Info: Hands on Sr. Frontend / Angular Developer role with strong Angular, Typescript, Ngrx, RxJS, Javascript, NodeJS, HTML, & CSS background Front end development Managing existing components and building new components using Angular 14 NodeJS 2 Weeks sprint cycle Unit testing using Cypres
Easy Apply
Posted 3 days ago

Staff Database Engineer

Gardner Resources Consulting, LLC

•

Remote

Contract

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 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 framew
Easy Apply
Posted 3 days ago

***Sr Cloud AWS Lambda-Python Developer (10 positions)***Remote**

SmartIMS Inc.

•

Remote

Contract, Third Party

For the quick response please send resume to: /. Title: Sr. Cloud AWS Lambda Developer (10 positions) Location: Remote Duration: Long Term . Required Qualifications: 15+ years of work experience10+ years of US based experience with linked is must10 out of 10 communication skills mustThis position requires full SDLC application development with Python on AWS Lambda s.Have an active Linked-In profile (that was not recently created)No staff level developers, needs to have been the go-to perso
Easy Apply
Posted 3 days ago

Lead Java Developer - (AZ, NC, NJ)

Techgroup America Inc.

•

Remote

Contract

Visa - CitizenResident GCEAD, L2EADOnly W2 candidate would be consideredAlso, Candidate should be in local with DL copy Job Details Job Title: Lead Java Developer Quantity: x3 Location: Chandler AZ, Charlotte NC, Iselin NJ (Hybrid) GC-EAD & ONLY Supporting the Cybersecurity team for risk/compliance functions. These developers will be working on multiple smaller projects across their compliance portfolio doing upgrade automation work to older apps **Biggest area people have fallen short so far
Easy Apply
Posted 22 hours ago | Updated 19 hours ago

Principal Supplier Engineer

RTX Corporation

•

California, USA

Full-time

Date Posted: 2025-07-22 Country: United States of America Location: RCA99: RTN Remote, California Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bri
Posted 5 days ago | Updated 6 hours ago

Lead II Software Engineer

S&P Consultants

•

Remote or Princeton, New Jersey, USA

Full-time

About the Role: Grade Level (for internal use): 12 Lead Software Engineer -S&P Dow Jones Indices S&P Dow Jones Indices is seeking Lead II, Full-stack Developer with backend and frontend development expertise to be a key player in planning, preparation and development of software for key platform. This role requires a seasoned engineer who works effectively, both independently as well as collaboratively, in a team environment. The candidate must be a delivery-focused person with financial appli
Posted 60+ days ago | Updated 6 hours ago

Information Security Engineer III, Application and Cloud Security Lead

Mass General Brigham

•

Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par
Posted 60+ days ago | Updated 6 hours ago

Lead Substation Engineer

ENTRUST Solutions Group

•

Utah, USA

Full-time

ENTRUST is seeking a highly skilled and experienced Physical Substation Lead Engineer to oversee the design, development, and implementation of physical substation projects. This role involves leading engineering efforts, coordinating with multidisciplinary teams, and ensuring compliance with industry standards and client specifications. The ideal candidate will have a strong background in substation physical design, project management, and leadership. Key Responsibilities: Lead the physical de
Posted 6 days ago | Updated 6 hours ago

Senior Staff Software Engineer, Reliability Engineering

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: We are a community based on connection and belonging - a community that was born in 2007 when two hosts welc
Posted 60+ days ago | Updated 6 hours ago

Sr. RPA Developer (Need GA locals)

MindFore Inc

•

Remote

Contract

Job Title: Sr. RPA Developer Location: Atlanta, GA Remote Complete Description: As part of the RPA team, this individual will lead the design, development, and implementation of UiPath automation solutions while mentoring a team of developers and ensuring adherence to best practices and architectural standards. You will work closely with architects, Sr. developers, managers, executives, and other groups throughout the development process.The ideal candidate combines deep technical expertise in U
Easy Apply
Posted 1 day ago

RPA Developer

RADGOV INC

•

Remote

Contract

Skill Required / Desired Required Years of Experience Exp Used Last Used Bachelor s degree in computer science/engineering. Required IT experience with a strong background in software engineering. Required 15 Years Hands-on experience developing large enterprise-grade RPA solutions. Required 8 Years Experience as a lead RPA developer or technical lead on large-scale projects. Required 5 Years Deep understanding of RPA best practices, development frameworks, and design patterns. Highly desired St
Easy Apply
Posted 1 day ago

Lead Developer-Oracle Fusion (Subvendor & Intercompany Focus)

Allegis Group

•

Remote or Maryland, USA

Full-time

Job Summary: This Lead Developer position will focus on our Contingent Worker end to end process as well as our Intercompany Resourcing process. The ideal candidate will have extensive functional and technical knowledge and hands-on experience with Oracle Fusion ERP applications, specifically in the areas of PTP Supplier and Payments as well as General Ledger or Financial accounting background . Knowledge and experience in integrations with multiple applications. Experience or knowledge of Sales
Posted 21 days ago | Updated 3 hours ago

Sr. RPA Developer

Skywalk Global

•

Remote

Full-time, Third Party

The Georgia Department of Human Services, Office of Information Technology (OIT), is seeking an experienced and dynamic Senior RPA Developer and technical lead to join the agency based in Atlanta, Georgia. Local to Atlanta for in-person meetings. As part of the RPA team, this individual will lead the design, development, and implementation of UiPath automation solutions while mentoring a team of developers and ensuring adherence to best practices and architectural standards. You will work closel
Easy Apply
Posted 2 days ago | Updated 2 days ago

Senior Drainage Engineer - Transportation Infrastructure

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: Senior Civil Drainage Engineer - USA / Remote Opportunity : Ready to put your civil
Posted 60+ days ago | Updated 6 hours ago