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Backend Systems Jobs In Chicago Il - 97 Job Positions Available

1 – 20 of 97 jobs

PAR Technology Corporation seeks a NodeJS Engineer to design, develop, and maintain scalable backend services written in Node.js, with exposure to Ruby and PostgreSQL. The role involves building APIs and collaborating across teams to deliver robust product

PAR Technology  1 day ago
Ironbeam, Inc. jobs

We are seeking a Senior Java Developer to help evolve and extend the backend and middleware systems of our trading and market data infrastructure. This role is for an experienced engineer who is comfortable operating across complex high-performance

Ironbeam, Inc.  1 day ago
Eliassen Group jobs

Eliassen Group is seeking a Senior Software Engineer for backend Java development to design, build, and maintain scalable, data-intensive systems powering core products. This is a full-time remote role. You will participate in all phases of product development

Eliassen Group  1 day ago
Affirm jobs

Affirm is looking for a CI Engineer to enhance developer experiences by optimizing build systems and driving CI/CD initiatives. Youll own the design and reliability of systems across multiple platforms, and collaborate closely with engineering teams to improve

Affirm  1 day ago
NinjaTrader jobs

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:

NinjaTrader  19 days ago
FIS jobs

Job Description We are FIS. Our technology powers the world’s economy and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients and communities. If you’re

FIS  14 days ago
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Ontrac Solutions jobs

About the role Most backend roles touching “AI” mean a chatbot bolted onto a CRUD app. This one is different: the agentic workflows are the product surface. You’ll work on an established enterprise asset-and-metadata platform, building the

Ontrac Solutions  9 days ago
Five to Nine jobs

Company Description The Five to Nine platform is shaking up the future of work by helping companies scale their event programs programs through data. Were looking for a Backend Rails Engineer whos passionate about transforming workplace programs

Five To Nine  6 days ago
3Core Systems, Inc jobs

Job Title: IT Software Engineer 5 / Lead Java Backend Developer Location: Chicago, IL preferred but the role can be 100% remote butthere will be travel involved when needed. Duration: 12 months contract. Position’s Contributions to Work

3Core Systems, Inc  4 days ago
Ontrac Solutions jobs

OVERVIEW We are seeking a highly skilled and experienced Senior Software Engineer (Backend / Integrations) to join a contractor program supporting a critical customer engagement: a state government professional licensing and regulatory compliance platform built on Google

Ontrac Solutions  2 days ago
Ontrac Solutions jobs

OVERVIEW We are seeking a Lead Software Engineer (Backend / Integrations) to anchor the backend workstream of a contractor program supporting a critical customer engagement: a state government professional licensing and regulatory compliance platform built on Google Cloud.

Ontrac Solutions  2 days ago

SITE Technologies is seeking a hands-on Lead Backend Software Engineer to lead and grow a small backend team while building and evolving SITEs platform and customer systems. This player-coach role will manage 3–4 senior engineers, set technical direction, and

SITE Technologies  27 days ago
Affirm jobs

Affirm is reinventing credit to make it more honest and friendly. The Batch Infra team builds a scalable, self-serve compute platform to support ML, product, and financial engineering workloads in the cloud. The role focuses on

Affirm  25 days ago
Affirm jobs

Affirm is seeking an experienced backend engineer in Chicago, Illinois. You will own and deliver quarterly goals, focusing on building reliable, performant, and scalable backend systems. With 4+ years of experience in designing and launching systems using Python or Kotlin,

Affirm  2 days ago
The University of Chicago jobs

The University Of Chicago seeks a Senior Software Engineer in Chicago, IL to enhance its Globus data management platform. This hybrid role involves working on scalable systems and data automation services that influence scientific research. The ideal

The University Of Chicago  2 days ago
Guaranteed Rate, Inc. jobs

Guaranteed Rate, Inc. is seeking a Staff Software Engineer to join a high-performing team remotely. You will drive architecture, design, and development of core systems, enabling scalable loan technology and automation across the platform. This role emphasizes

Guaranteed Rate, Inc.  2 days ago

Stripe, LLC. is a financial infrastructure platform enabling merchants to grow their businesses and scale globally. We seek engineers to own end-to-end problems, collaborate across disciplines, and build robust APIs and systems that power payments and growth.

Triwill Group  2 days ago
Downtown Boulder Partnership jobs

Intercontinental Exchange Holdings, Inc. in Chicago, IL is seeking a Senior QA Analyst to join ICC and support risk analytics through robust testing of risk model algorithms and backend services. The role requires 5+ years in QA/testing,

Downtown Boulder Partnership  1 day ago
Fingerprint jobs

Fingerprint is a globally remote company that builds identity and fraud prevention tech. We are seeking a Senior Backend Engineer to join the Core APIs team, focusing on high-performance backend systems for real-time data processing and API scaling in

Fingerprint  1 day ago

Who we are About Stripe Stripe, LLC. 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

EngineersOfAI  1 day ago

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