Staff Software Engineer Jobs in Illinois

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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

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 47 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

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 2 days ago | Updated 6 hours ago

Senior Full Stack Developer Lead - Inventory Management - JERSEY CITY

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

As part of the Inventory Management Applications Suite, Senior Application Developer is responsible for leading very high volume / low latency enterprise multi-tiered Java applications to provide cutting edge solutions for the Stock Record and related Application in the Capital Markets domain while following the industry best practices and Citi standards. The primary responsibility will be leading the design and development and providing Level 3 support for these applications. Coordination betwe
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

Database Engineer

intiGrow

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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
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Posted 2 days ago | Updated 2 days ago

Principal Applications Integration Engineer - Shockwave

Johnson & Johnson

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Remote or Santa Clara, California, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 60+ days ago | Updated 8 hours ago

Principal IAM Engineer

Motion Recruitment Partners, LLC

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Chicago, Illinois, USA

Full-time

A financial trading firm is looking for a Principal IAM Engineer. You'll work hands on to design and implement IAM Security policies and solutions that align with the company's objectives. You'll be responsible for working across multiple teams to deploy IAM solutions, develop processes for reviews, and ensure appropriate access levels are granted across the organization. Due to the industry, candidates must have experience working in highly regulated spaces, and have worked with complex IAM and
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Posted 54 days ago | Updated 5 hours ago

SAP Principal ABAP Developer

RTX Corporation

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Remote or Connecticut, USA

Full-time

Date Posted: 2025-07-07 Country: United States of America Location: UTCT1: Corp - CT - Remote Remote Location, Remote City, CT, 06101 USA Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace Systems
Posted 15 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 58 days ago | Updated 2 days 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 3 days ago

Principal Go Developer / Go, Terraform / EST Remote

Motion Recruitment Partners, LLC

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Remote or Atlanta, Georgia, USA

Full-time

A leading software consultancy is seeking a Principal Golang Developer to join their expert engineering team. In this role, you'll lead the design and delivery of robust, scalable systems for Fortune 500 companies and high-growth startups. Projects span greenfield development and complex modernization efforts, including a full-scale rewrite of Chick-fil-A's customer rewards application. You'll architect and develop solutions using Go, SQL, Microservices, RESTful APIs, Terraform, and AWS, while s
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Posted 60+ days ago | Updated 5 hours ago

Lead Full-Stack .NET Engineer

EPAM Systems

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Remote

Full-time

We seek a Lead Full-Stack .NET Engineer with solid Angular and Azure services proficiency who is passionate about engineering practices and cloud-native architectures. You can work on a compound tax calculation and analytics platform tailored for one of the world's largest accounting firms. If you are prepared to lead a team and drive exceptional software engineering practices, we invite you to apply. Along with the work in Georgia, you may also consider further relocation to Poland. To disco
Posted 60+ days ago | Updated 10 days ago

Chief Engineer

JLL

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Oakbrook Terrace, Illinois, USA

Full-time

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant e
Posted 2 days ago | Updated 8 hours 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 31 days ago | Updated 10 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 10 days ago

Municipal Services Engineer

Baxter & Woodman,Inc.

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Chicago, Illinois, USA

Full-time

Your future position: Municipal Services Engineer Choose your location: Crystal Lake, Mokena, Naperville, Chicago, or Bannockburn IL office. Why you should join our team! Why Baxter & Woodman? At Baxter & Woodman, both seasoned professionals and entry level candidates find more than a job; they discover a long-lasting, fulfilling career with a distinguished leader in client service, technology and innovation. Our work environment is extraordinary and being honored as one of the 2025 Zweig Bes
Posted 60+ days ago | Updated 8 hours ago

IT Security Engineer - Lead

Navigant Consulting

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Remote or Atlanta, Georgia, USA

Full-time

Job Family: IT Cyber Security Travel Required: Up to 10% Clearance Required: None What You Will Do: Our Security Engineer Lead plays a pivotal role within the Information Security Operations group that is dedicated to supporting Security Operations and Incident Management/Response processes, SIEM engineering, Threat Hunting, Automation, Cyber Architecture, and Threat Intelligence. This position is responsible for enhancing SIEM and tool monitoring, tuning, detection, and alerting across mult
Posted 60+ days ago | Updated 8 hours ago

Senior / Lead ML Engineer

Kforce Technology Staffing

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Remote or Atlanta, Georgia, USA

Contract

RESPONSIBILITIES: Kforce has a client seeking a remote Senior ML Engineer to join their team in Atlanta, GA. They are looking for a senior data scientist/agentic AI architect with heavy ML/MLops experience (strong Python) who can evaluate and implement models that are provided by the enterprise. They are really searching for someone who can analyze the models and select which model can be used for which situation. The Senior/Lead ML Engineer will need deep ML knowledge but will not be building m
Posted 9 days ago | Updated 14 hours ago