react software engineer jobs in Chicago

Interested in joining a growing company where you will work with talented colleagues, enhance a supportive and energetic culture, and be part of the climate solution? At Energy Solutions, we focus on the big impacts. And we believe that market-based programs can be a powerful force to deliver large-scale energy, carbon, and water-use savings. Since 1995,...

Role: Lead Software Engineer (Java / AWS) Location: Chicago, IL Work Model: Hybrid (3 days/week onsite) Let's create our future together at The AES Group! About The AES Group: The AES Group is a premier technology and engineering consulting company that has been bringing businesses and talent together for over 20 years to deliver innovative solutions that...

JOB TITLE: Senior Software Development Engineer in Test Chicago, IL Who We Are: Northern Trust is a Chicago-based bank with more than 20 international locations and 16,500 employees. From sovereign wealth funds to the wealthiest individuals and families, the world’s most sophisticated clients rely on Northern Trust every day. The Northern Trust Corporate...

You have a clear vision of where your career can go. And we have the leadership to help you get there. At CNA, we strive to create a culture in which people know they matter and are part of something important, ensuring the abilities of all employees are used to their fullest potential. We are looking for a highly skilled Senior Python AI Developer with...

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here, you'll do meaningful work that helps millions of...

Senior Full Stack Software Engineer (Python/Java/React/AWS) – Remote (US, CST Hours) – 12 Month ContractAbout the Role Join a dynamic, forward-thinking engineering team as a Senior Full Stack Software Engineer, building innovative cloud-native solutions for enterprise-scale applications. Work remotely from anywhere in the US (CST hours) while...

Disclaimer: Please be advised that the most accurate and up-to-date information about our open roles—including job descriptions, compensation, and benefits—can only be guaranteed on our official job board. For the latest listings and details, please visit: https://job-boards.greenhouse.io/ninjatrader. JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL...

I've partnered with a leading quantitative trading firm to scale their research platform team that powers large-scale simulations, model training, and data-driven decision-making across the business.This team sits at the intersection of distributed systems, high-performance computing, and quantitative research, owning the infrastructure and software that...

Building markets for the new trading frontier. Bringing the future into focus. Rothera is building the premier prediction market in partnership with Robinhood and Susquehanna International Group. By empowering traders to take positions on the events that shape our world Rothera’s platform harnesses the scale and power of financial markets to produce...

Our client is currently seeking an SDET with experience in disaster recovery and performance testing. Design and execute performance, load, stress, scalability, and failover testing strategies. Lead disaster recovery and multi-region resilience testing. Develop and maintain automated performance testing frameworks. Integrate performance testing into...

Software Engineer 3Welcome to Our World We've been leading the charge in the affiliate industry from day one—establishing performance marketing and paving the way for future innovations. We're known for maintaining one of the largest, most reliable partnership platforms with impeccable, personalized service. Founded in Santa Barbara, California in 1998, CJ...

The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a lead developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills.Position Intel: This...

A BIT ABOUT SIBEL HEALTH:With headquarters based in Chicago, IL and an international office in Seoul, South Korea, Sibel Health is an award-winning digital health startup with a mission to deliver Better Health Data for All®. We were founded out of a Northwestern University Biotechnology lab, with a specific focus on our most vulnerable patients - pregnant...

The application window is expected to close on: 11/01/2026 This is a hybrid role working in Denver, CO or Raleigh, NC. Remote candidates in USA are also encouraged to apply and be considered. Meet the Team The Automation and Configuration Management (ACM) team develops and maintains a configuration platform that enables internal and external customers to...

About the Role: We're seeking an experienced Software Developer with expertise across multiple programming languages and development frameworks to join our team for a 6-month project. You'll be working on diverse development initiatives requiring strong technical skills in Java, Python, and modern development tools. What You'll Do: Develop and maintain...

Software Engineer - Quantitative Finance40+ top trading firms seeking exceptional engineers. Multiple immediate openings.What you'll do:Build trading systems and market data infrastructureDevelop quantitative research platforms and toolsOptimize performance-critical financial applicationsRequirements:2+ years software engineering experienceStrong...

Infleqtion is on a mission to commercialize atom-based quantum technologies that deliver orders-of-magnitude improvements in sensing and computing applications. We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our Quantum Computing mission forward.We build quantum computers. You will...

Your OpportunityAt Schwab, you're empowered to make an impact on your career. Here, innovative thought meets creative problem solving, helping us challenge the status quo and transform the finance industry together. We believe in the importance of in-office collaboration and fully intend for the selected candidate for this role to work on site in the...

hackajob is collaborating with BlackRock to connect them with exceptional professionals for this role. About this role Associate Engineer – BlackRock SMA Solutions About BlackRock SMA Solutions: At BlackRock SMA Solutions, our strategies are designed to put our clients’ and their clients’ interests at the center of our investment advice; to...

     Why project44?   At project44, we believe in better.   We challenge the status quo because we know a better supply chain isn’t just possible—it’s essential. Better for our customers. Better for their business. Better for the world.   With our Decision Intelligence Platform, Movement, we’re redefining how global supply chains operate. By...