backend jobs in Chicago

About yeetyeet is built by a tight-knit group of systems, observability, and kernel nerds who refuse to accept “mystery outages” as normal. We’re a small, high-impact team with domain expertise in Linux, eBPF, performance instrumentation, and developer tooling.We move fast, ship often, and take deep ownership. If you enjoy operating close to the metal,...

Genesis10 is currently seeking a Backend Engineer for a contract position with a Major Financial Institution located in Chicago, IL. This is an 8+ month contract opportunity. This role is for a Backend Engineer with experience in Java development. The ideal candidate will have 1-4 years of experience in application development. Requirements: 1-4 years of...

AfterQuery is looking for experts with experience in software engineering, computer science, or app/web development to help train and evaluate AI models. This is a remote, project-based role: qualify once through a single assessment and receive ongoing project matches spanning code review, evaluation, and original task creation. Pay ranges from $50 to...

At Yourco, we're bringing traditional industries into the future.AI unlocks the opportunity to empower frontline workforces and bring traditional industries into the future.Yourco is hiring, and we are looking for the best of the best in Chicago. It is the most exciting time to work in technology in our lifetimes, and for the team at Yourco, it is the most...

Role: Java Backend Developer Location: Chicago, IL 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 have the greatest positive impact on society. AES has...

JAVA Backend Engineer Chicago, IL 100% OnsiteResponsibilities:Competent to perform all programming, project management, and development assignments without close supervision Works directly on complex application/technical problem identification and resolution, including responding to off-shift and weekend support calls Works independently on complex systems...

*LOCAL CANDIDATES ONLY - Client interview is onsite* Job title: Backend Java Developer Bill rate: ***/hr Role is hybrid (3 days/wk) Client address: 3 Edison Drive, Alpharetta, GA Years of experience required: > 5 years Job Description: · Lead the design and implementation of scalable microservices architecture to enhance system performance and...

WPP is the trusted growth partner for the world’s leading brands.  We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our...

8-10 years experience as a Java Developer80% or more focused on backendStrong AWS Background, with services like Fargate, ECS, CloudWatch, LambdaDatabase and CICD familiarityRequire an onsite interview in Chicago, IL

This job is posted on behalf of Paul Murphy Associates by Top Echelon. Title: Backend QA Engineer Location: Chicago, IL OR New York, NY OR Belfast, Northern Ireland Our client is seeking a Backend Quality Assurance Engineer who will serve as a key technical contributor, driving quality for their Exchange, Clearing and Instrument management systems. You will...

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 a rapidly expanding, well-funded startup committed to setting the benchmark for excellence in the insureTech industry. The foundation is built on cutting-edge technology, where greatest asset is exceptional team of professionals. By seamlessly integrating AI, state-of-the-art technology, and profound human expertise, each engineer here...

Company DescriptionThe Five to Nine platform is shaking up the future of work by helping companies scale their event programs programs through data.We're looking for a Backend Rails Engineer who's passionate about transforming workplace programs and fostering joy with our users. You’ll be helping our customers get recognized for their meaningful impact in...

WHO YOU AREYou are a seasoned software developer who is dedicated to your craft; you write code that you are proud of and can hit the ground running. You write beautiful, fast code to a high standard, in a timely and scalable way that improves the code-base of our disruptive SaaS based endpoint management software in meaningful ways. You will be a part of a...

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of...

Principal Backend Engineer | ArchitectLocation: Chicago, IL (Hybrid – 1 day/week in-office)Company: Ludex, Inc.About LudexLudex is a consumer-facing technology platform transforming the sports and trading card hobby through AI-driven scanning, data, and marketplace tools. We build products used by millions of collectors and enterprise sellers, and we move...

Are you passionate about coding or technology and ready to make your mark in tech? For more than 15 years, SynergisticIT has been helping aspiring developers like you excel in the tech industry. We focus on equipping you with the skills and experience needed to not only secure a job but to thrive in your career! Why Partner with SynergisticIT? Customized...

 1. Frontend Developer Intern:We are seeking a motivated and detail-oriented Frontend Developer Intern to join our technology team in building responsive, user-friendly public websites and web applications. In this role, you will focus on crafting intuitive and performant user interfaces using JavaScript / TypeScript and React, while collaborating closely...

About the Role    We are looking for enthusiastic Backend Developer Interns to join our team remotely for a 3-month internship. This is an excellent opportunity to gain hands-on experience in backend development, work on real projects, and expand your technical skills. While this is an unpaid internship, interns who successfully complete the program will...

String experience in Java 8, Spring Boot, Restful API developmentHands-on experience in Pivotal Cloud Foundry (PCF) and MicroservicesSonarQube experience is required