reactjs jobs in Chicago

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 ready to start learning, growing and making an impact with a career in fintech, we'd like to know: Are you FIS?NOTE: This position is hybrid (3...

We are seeking a highly experienced Full Stack Java Developer with strong expertise in cloud technologies and a leadership mindset.The ideal candidate will have hands-on experience in designing and developing scalable applications, primarily focused on back-end development, while also contributing to front-end components.This role requires advanced knowledge...

.NET Developer Location: Chicago, IL Duration: Contract Rate: DOE US Citizens, GC, EAD ( H4, L2), E3 TN visa holders preferred, NO third party corp to corp accepted for this job : 8 plus years of software development experience with 6 plus years of web-based software development in .NET technologies (C#, .Net Framework, .Net Core, Docker, MVC, SQL...

Create and refine high-quality datasets and code examples to train and benchmark large language models. Develop automated verification tools in Python to evaluate AI-generated code for efficiency, scalability, and reliability. Requirements: Requires at least 3 years of software engineering experience with deep expertise in Python and full-stack...

Create and refine high-quality datasets and code examples to train and benchmark large language models. Develop automated verification tools in Python to evaluate AI-generated code for efficiency, scalability, and reliability. Requirements Requires at least 3 years of software engineering experience with deep expertise in Python and full-stack application...

Job ID: Reference Number: Title: .Net DeveloperLocation: Chicago, IL, 08830Posted Date: Company: HAN Staffing Role : .Net DeveloperLocation: Chicago, ILWe are seeking a motivated and talented Senior .NET Full Stack Developer to join our dynamic development team. The ideal candidate will have hands-on experience with ASP.NET, C(Hash), RDBMS, ReactJS, and REST...

Create and refine high-quality datasets and code examples to train and benchmark large language models. Develop automated verification tools in Python to evaluate AI-generated code for efficiency, scalability, and reliability.Requirements: Requires at least 3 years of software engineering experience with deep expertise in Python and full-stack application...

**Full Stack Architect – AI & Agentic Systems** ( **ReactJS, NextJS, NodeJS)** **Role Overview** We are seeking a highly experienced **Full Stack Architect – AI & Agentic Systems** to lead the design and implementation of next-generation digital platforms powered by modern web technologies and AI-driven architectures. The ideal candidate will possess...

Technical Project ManagerLocation: Chicago, IL (Onsite) Duration: W2 / C2C Contract Experience: 11+ YearsJob DescriptionMinimum 6+ years of experience in project management, with a focus on technical projectsStrong understanding of SDLC and IT infrastructureFamiliarity with project management tools (e.g Mircrosoft Project, JIRA, Azure DevOps)Experience with...

Vinyl Equity Job PostingWe're building the next generation of capital-markets infrastructure, starting with a modern, digital-native transfer agent designed for today's public companies. Our platform replaces slow, manual processes with secure, automated workflows.Backed by Index Ventures, Spark Capital, and Infinity Ventures, our team includes veterans from...

Full Stack Architect – AI & Agentic Systems **Location:** Chicago, IL – Hybrid (3 Days WFO) **Duration:** 12 Months We are seeking a **Full Stack Architect** with strong expertise in modern web technologies, cloud-native architecture, and **Agentic AI** to design scalable enterprise applications and AI-powered platforms. Key Skills - **Frontend:** ...

**Hiring – AI & Agentic AI Architects | Chicago, IL** We are seeking experienced **AI / Full Stack / Databricks Architects** for multiple opportunities. **Chicago, IL – Hybrid (3 Days WFO)** **Open Roles:** **906864 – Full Stack Architect – AI & Agentic Systems** ReactJS, NextJS, NodeJS, .NET Core, RAG, Agentic AI, Multi-Agent Systems **905759...

Cboe Global Markets is seeking a Principal Software Engineer to own end‐to‐end development across real‐time analytics platforms. You will integrate ReactJS front‐end with C#/.NET back‐end services, test across UI, API, and data layers, and mentor engineers in a highly collaborative, AI‐augmented environment.You'll engineer scalable systems for...

Job Description: Building trusted markets — powered by our peopleAt Cboe Global Markets, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe delivers cutting‐edge trading,...

**Position Type :** Full time **Type Of Hire :** Experienced (relevant combo of work and education) **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 ready to start...

Job DescriptionJob DescriptionCanonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public...

Role: **Full Stack Architect AI & Agentic Systems** We are seeking a highly experienced **Full Stack Architect AI & Agentic Systems** to lead the design and implementation of next-generation digital platforms powered by modern web technologies and AI-driven architectures. The ideal candidate will possess deep expertise in **ReactJS, NextJS, NodeJS,...

100% REMOTE Senior Ruby Developer / Senior Full Stack Engineer Needed for Growing Fintech Company!Salary: $150,000 - $185,000 per yearA bit about usWe are a growing fintech company that is on the lookout for a 100% remote Senior Ruby on Rails Engineer / Senior Full Stack Developer!Why join us?A competitive base salary between $150k and $185k, depending on...

100% REMOTE Senior Ruby Developer / Senior Full Stack Engineer Needed for Growing Fintech Company! Salary: $150,000 - $185,000 per year A bit about us We are a growing fintech company that is on the lookout for a 100% remote Senior Ruby on Rails Engineer / Senior Full Stack Developer! Why join us? A competitive base salary between $150k and $185k,...

Software Engineer – Inspire11 Elevens, as we call ourselves here, are curiously smart, purposefully scrappy, and dedicated to the highest standard of quality. By being true to ourselves and others, we create a respectful environment that enhances collaboration, drives growth through high expectations, and ensures alignment with our core values. Inspire11...