Principal Software Developer Jobs in Chicago, IL

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Android Developer

LMI Government Consulting (Logistics Management In

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Remote

Full-time

Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agilit
Posted 6 days ago | Updated 5 hours ago

Lead iOS Engineer

eBay Inc.

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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
Posted 51 days ago | Updated 8 hours ago

Senior Ab Initio Lead Developer - C13 - IRVING

Citi

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Remote or Irving, Texas, USA

Full-time

The Information Service Group is seeking a Technical Specialist (Senior Technical lead) to build and manage Reference data ETL team . The Tech lead will build the team in Canada and work with ETL developers in NAM,EMEA and India(APAC) and will be overseeing the deliverables, provide architectural guidance, enforce best Citi practices, conduct code reviews, build support processes, and serve as escalation point during production outages. Interaction will be required with global development team c
Posted 60+ days ago | Updated 8 hours ago

Principal Product Engineer - HOKA Footwear

Deckers Brands

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Remote or Portland, Oregon, USA

Full-time

At Deckers Brands, Together, Every Step is a promise kept that every employee can bring their authentic self, is valued and supported, as a whole person, at work and beyond. Together, Every Step is how we continue to deliver exceptional business results, experience an amazing place to work, and have a positive impact on the communities and world around us. Job Title: Principal Product Engineer- HOKA Footwear Reports to: Director, Product Engineering Location: Portland, OR (Hybrid) The Role
Posted 60+ days ago | Updated 8 hours ago

RPA Developer

ABAL Technologies Inc

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Remote

Contract

GA DHS - Sr. RPA Developer Atlanta, GA-REMOTE Responsibilities: Design and implement scalable RPA solutions using UiPath for complex, enterprise-level applications.Lead end-to-end automation lifecycle: requirements gathering, solution design, development, testing, deployment, and maintenance.Provide architectural direction and technical leadership to the RPA development team.Guide the team in adopting best practices in RPA design, development, and deployment.Mentor and support junior RPA develop
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Posted 1 day ago

Lead AI ML Engineer - Remote

UnitedHealth Group

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Remote or San Francisco, California, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op
Posted 60+ days ago | Updated 8 hours ago

Senior .NET Developer Mainframe Modernization

ChaTeck Incorporated

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Remote or Austin, Texas, USA

Contract, Third Party

Role: Senior .NET Developer Mainframe Modernization Location: Austin, TX - Remote Why Join Us? Be part of a high-impact modernization effort that drives the future of regulatory software in the Texas energy sector. Remote work flexibility Long-term contract with strong renewal potential Collaborative Agile team environment Chance to influence enterprise-level architecture and modernization strategy About the Role We're seeking a Senior .NET Developer with prior experience supporting the Railroa
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Posted 2 days ago | Updated 19 hours ago

Structural Engineer - Rail and Transit - Hybrid Remote

Parsons Services Company

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Remote or Washington, District of Columbia, 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 an experienced Structural Engineer (Hybrid Remote with 3 days/
Posted 13 days ago | Updated 8 hours ago

Lead Mobile Software Engineer - Remote

UnitedHealth Group

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Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op
Posted 8 hours ago

Structural Engineer - Rail and Transit - Hybrid Remote

Parsons Services Company

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Remote or New York, 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 an experienced Structural Engineer (Hybrid Remote with 3 days/
Posted 14 days ago | Updated 8 hours ago

Staff Fullstack Software Engineer, Guest Displays & Platforms

Airbnb

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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 Guest Displays & Platforms team The Guest Displays & Platforms team owns pricing and availability across al
Posted 60+ days ago | Updated 8 hours ago

Lead Detection Engineer(remote)

Humana Inc

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Remote

Full-time

Become a part of our caring community and help us put health first The Lead Detection Engineer position is responsible for building and curating custom cyber threat detection content for the Humana enterprise environment. This role works closely with EIP's Threat Management and Response teams as well as other IT and EIP teams. The Lead Detection Engineer role is responsible for technical execution and delivery of services provided by the Detection Engineering team. This team provides oversight o
Posted 3 days ago | Updated 8 hours ago

Principal Kernel Engineer

Request Technology, LLC

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Remote

Full-time

Principal Kernel Engineer Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Writes high-quality multithread-safe code in C++ in both kernel-mode and user-modeDevelops high-quality code in Rust or a strong desire and capacity to learn quickly (Rust)Has shipped at least one production quality driver for Windows NTStrong knowledge of Win32 APIs and NT kernel internalsDebugs memory corruption issues and improves end-to-end syste
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Posted 60+ days ago | Updated 1 day ago

SVP, Technology Manager (Apps Dev Tech Sr Lead Analyst) - C14

Citi

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Remote or Tampa, Florida, USA

Full-time

The Applications Development Group Manager is a senior management level position responsible for accomplishing results through the management of a team or department in an effort to establish and implement new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to drive applications systems analysis and programming activities. Responsibilities: Manage multiple teams of professionals to accomplish established goals and condu
Posted 60+ days ago | Updated 8 hours ago

Principal Infrastructure Engineer

Memorial Sloan Kettering Cancer Center

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Remote or New York, New York, USA

Full-time

Pay Range $164,100.00-$270,900.00 Company Overview The people of Memorial Sloan Kettering Cancer Center (MSK) are united by a singular mission: ending cancer for life. Our specialized care teams provide personalized, compassionate, expert care to patients of all ages. Informed by basic research done at our Sloan Kettering Institute, scientists across MSK collaborate to conduct innovative translational and clinical research that is driving a revolution in our understanding of cancer as a disea
Posted 60+ days ago | Updated 6 days ago

Lead Java Developer with AWS

EPAM Systems

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Remote

Full-time

We are looking for a Lead Java Developer to join a highly collaborative agile team. You will experience great culture in a rapidly scaling company while using world-class technologies. While the role is primarily back-end focused, there are opportunities to work across the full stack from UI to end data points. If this sounds like your kind of thing, apply today! This position offers remote setup with the flexibility to work from any location in Georgia, whether it's your home, well-equipped o
Posted 60+ days ago | Updated 8 hours ago

Senior Bridge Engineer - Transportation Infrastructure

Parsons Services Company

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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 / PRINCIPAL BRIDGE ENGINEER - TRANSPORTATION INFRASTRUCTURE - PACIFIC NORTHWE
Posted 21 days ago | Updated 8 hours ago

Senior Lead Generative AI Engineer

Photon

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Remote

Full-time, Third Party

Senior Lead Generative AI Engineer Location - Remote , USA For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. For a brief 1 minute video about us, you can check . We are seeking a Senior Generative AI Engineer with a passion for building intelligent, agentic systems that transform how consumers interact with healthcare.
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Posted 7 days ago

Senior Staff IT Developer

Right Skale, Inc.

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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
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Posted 35 days ago | Updated 14 days ago

Staff Android Engineer, Accessibility & UI Systems

Block Inc

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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
Posted 34 days ago | Updated 8 hours ago