React.js jobs in buffalo grove, il

Staff Cloud Engineer / AWS, EKS, CI/CD, React, Security / Hybrid Downtown Chicago

Chicago, Illinois

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Today

We are partnered with a leading financial technology company that powers secure payment solutions used by millions of consumers and businesses across the U.S. The organization builds highly scalable, mission-critical systems that support digital payments, financial services, and transaction security. This role is a senior-level engineering position focused on designing, building, and deploying complex distributed systems and cloud solutions. You will work across architecture, backend development

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Full-time

$160000 - $185000

Full Stack Developer (Java/React)

Remote or Bentonville, Arkansas

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Today

Full Stack Developer (Java/React) Location: Remote Duration: Contract to Hire Overview The Team is seeking an experienced Full Stack Developer to support key promotional and digital commerce initiatives. This role requires a balanced blend of backend and frontend development expertise, with a primary focus on building scalable, high-performing applications using Java, Spring Boot, Microservices, Kafka, React, and Next.js. The ideal candidate will have experience developing enterprise-grade app

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Contract

Frontend Engineer (Angular / React.JS) - 100% REMOTE - Longterm Contract

Remote

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Today

We at NJ TECH INC are focused on hiring highly skilled professionals who are excited by the opportunity to make a true impact on their careers as well as on our clients' business. We power our clients success and drive our consultants career growth. We are seeking an experienced and outstanding Frontend Engineer (Angular / React.JS) for one of our esteemed clients. Role: Frontend Engineer (Angular / React.JS) Location: REMOTE Duration: Longterm Worked on a project originally built in Flask and

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Contract

$0 - $0

Senior Typescript Engineer / Node.JS / React

Chicago, Illinois

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Today

A rapidly growing sleep technology company is seeking a Senior Software Engineer to join its engineering organization. The team develops connected hardware, cloud-native software, AI-powered experiences, and large-scale data systems that help consumers optimize recovery and performance. The environment includes distributed systems, microservices, cloud infrastructure, data processing pipelines, and modern backend technologies such as Ruby, Node.JS, and TypeScript. This is an opportunity for an e

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Full-time

$180000 - $220000

Lead Software Engineer - .Net, Azure, React

Hybrid in Chicago, Illinois

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4d ago

We are unable to sponsor as this is a permanent full-time role Hybrid, 3 days onsite, 2 days remote Responsibilities: Lead the design and delivery of full-stack applications using .NET, React/Next.js, and Azure, with ownership from architecture through production support. Set engineering standards for code quality, testing, performance, and security, and hold the team to them through active code authorship and thorough code review. Make architectural decisions for new features and systems, we

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Full-time

180,000 - 200,000

Java full Stack Developer (Exp-10 Y) with React Exp-Full time-Remote

Remote

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Yesterday

We are looking for an experienced Java Full Stack Developer with strong expertise in Java, Spring Boot, Microservices, and React.js to design, develop, and maintain scalable, high-performance enterprise applications. Key ResponsibilitiesDesign, develop, and maintain full-stack applications using Java, Spring Boot, and React.js. Build scalable RESTful APIs and Microservices. Develop responsive and reusable UI components using React.js, JavaScript/TypeScript, HTML5, and CSS3. Integrate front-end a

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Full-time

Depends on Experience

Senior Payment Solutions Architect – ReactJS, Node.js & Azure

Remote

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Yesterday

We are seeking a Hands-On Payment Solutions Architect with strong experience in payment processing systems, including SNAP (Supplemental Nutrition Assistance Program), EBT (Electronic Benefits Transfer), and credit/debit card payments. The candidate must have strong technical expertise in ReactJS, Node.js, and Microsoft Azure, with the ability to design solutions and actively contribute to coding. Key Responsibilities & RequirementsPayment Architecture: Design and develop secure, scalable paymen

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Full-time

Depends on Experience

Senior React & Node Developer

Remote

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11d ago

Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than the marketplace that connects you with hand-picked startups in the US and Europe. What we offer: The rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers.No more hunting for clients or negotiating rates let us handle the business side of things so you can focus on what you do best.We'll manually fi

Contract

75000 - 199000

Python AI Developer With React JS Exp.

Remote

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Today

Job Title Senior Python & AI Engineer (10+ Years Experience) Job Summary We are seeking an experienced Senior Python & AI Engineer with 5+ years of hands-on experience in building, deploying, and scaling AI/ML-driven solutions. The ideal candidate should have strong Python expertise, solid understanding of machine learning and AI concepts, and practical experience delivering production-grade systems in enterprise environments. Mandatory Technical skills: - Python, FastAPI , React, Key Responsib

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Contract, Third Party

Depends on Experience

React.js Developer - 100% remote - only w2

Remote

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Today

Required Qualifications 7+ years of Full Stack software development experience.Strong backend development experience with: JavaSpring BootMicroservices ArchitectureREST APIsApache KafkaStrong frontend development experience with: ReactNext.jsJavaScriptTypeScriptExperience building and supporting enterprise-scale applications.Understanding of API integrations and distributed systems.Experience working within Agile development environments.Strong problem-solving, communication, and collaboration s

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Contract

Depends on Experience

AI Engineer (Vertex AI/.Net/React) -- W2 Profiles -- 100% Remote

Remote

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Today

Title:Senior Full Stack AI Engineer (Vertex AI/ .NET/ React) Location: 100% Remote Must Haves:Proven experience building and deploying fine-tuned LLMs in production environmentsHands-on experience with Google Vertex AI and Gemini modelsExperience performing supervised fine-tuning (SFT) using LoRA adaptersStrong expertise creating and validating JSONL training datasetsExperience building multi-source training data pipelines from structured and unstructured dataAbility to diagnose and resolve mod

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Contract

Depends on Experience

Backend Developer - Node JS/ TypeScript / React / AWS

Remote

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7d ago

Position: Senior Backend Developer Node.js / TypeScript / React / AWS Company : Yottaflex AI Technologies Location: Remote Employment Type: Contract Duration: 612 Months (Potential Extension) Job Description We are looking for a highly experienced Senior Full Stack Developer with strong hands-on Node.js and TypeScript backend development experience to design, develop, and deploy scalable enterprise applications. The ideal candidate must be backend-strong while also having solid experience with

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Contract, Third Party

Depends on Experience

Java Full Stack Developer (Java, React, Azure)

Chicago, Illinois

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Today

Java Full Stack Developer (Java, React, Azure) Location: Chicago, IL Work Model: Hybrid Job Type: Full-Time Job Description: Strong experience in Java, Spring Boot, and Microservices. Hands-on experience with React.js, JavaScript, HTML, and CSS. Experience developing and integrating REST APIs. Strong knowledge of Microsoft Azure cloud services. Experience with SQL databases, Git, and CI/CD pipelines. Knowledge of Agile/Scrum, unit testing, debugging, and application performance optimiz

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Full-time, Contract

Senior Full Stack AI Engineer (Vertex AI / .NET / React) -- 100% Remote --Only W2

Remote

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Today

Role: Senior Full Stack AI Engineer (Vertex AI / .NET / React) Location: 100% Remote Must-Have SkillsProven experience building and deploying fine-tuned LLMs in production environments.Hands-on experience with Google Vertex AI and Gemini models.Experience performing Supervised Fine-Tuning (SFT) using LoRA adapters.Strong expertise in creating and validating JSONL training datasets.Experience building multi-source training data pipelines using structured and unstructured data.Ability to troubles

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Contract

Depends on Experience

.Net React Developer/Lead

Lisle, Illinois

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Today

Responsibilities include: Min 6+ yrs of development experience with / .NET Core using C# (and/or ) in Visual Studio IDE Min 6+ yrs of development experience with ReactJS Experience in developing Web APIs in .NET Core Experience in writing extensive unit tests and Web API testing. Good Understanding of security, performance, and scalability considerations Experience modernizing legacy Web Forms applications to .NET Core + React Strong understanding of HTML, XML, CSS, JSON, JavaScript & jQuery E

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Full-time, Third Party, Contract

Senior-Level Software Engineer / React / TypeScript / JavaScript

Chicago, Illinois

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Today

Front End Engineer / React / TypeScript / JavaScript Contract-to-Hire | Remote Join a technology team that helps some of the world's largest consumer brands and retailers make smarter pricing and promotion decisions. Their platform influences billions in consumer spending and powers data-driven strategies for household names across grocery, retail, and consumer goods. They're looking for a Front End Engineer with strong React and TypeScript experience to help build and scale modern SaaS applic

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Contract

$85 - $75

Senior SAP Fiori / UI5 / React Developer

Remote

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Today

We are looking for a Senior SAP Fiori / UI5 / React Developer to deliver high-quality SAPUI5 and React-based apps with consistent SAP Fiori UX. You will build, deploy, and tune SAP Fiori applications, partnering with ABAP engineers on OData and RESTful APIs to ensure smooth integrations. Responsibilities Design and develop custom SAP Fiori applications using SAPUI5 while following SAP Fiori design guidelines Configure and deploy applications using SAP Business Application Studio (BAS) or VS Code

Full-time

SAP Fiori / UI5 / React Developer

Remote

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Today

We are seeking a skilled SAP Fiori / UI5 / React Developer to design, build, and optimize custom applications that deliver intuitive and consistent user experiences within the SAP ecosystem. Responsibilities Develop custom SAP Fiori applications using SAPUI5 and the SAP Fiori design guidelines Configure and deploy applications via SAP Business Application Studio (BAS) or VS Code Optimize application performance Participate in code reviews and uphold clean code standards Collaborate with ABAP dev

Full-time

Full Stack Architect

Hybrid in Chicago, Illinois

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29d ago

Full Stack Architect AI & Agentic Systems (ReactJS, NextJS, NodeJS) Chicago, IL (Hybrid, 3 days/week) Please note that .NET experience is secondary for this role. We are primarily seeking candidates with strong hands-on expertise in ReactJS, NextJS, NodeJS and Agentic AI We are ok to relax the AI skill, provided candidate is strong with React and NodeJS and ready to work onsite

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Full-time, Third Party

Depends on Experience

React JS - Technology Lead

Remote or Minnetonka, Minnesota

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Yesterday

Job title: Technology Lead Work Location: Minnetonka-MN-55343 Minimum years of experience: >6 years Would you require the candidates to meet you for in person interview? Not a mandate Is Skype/WebEx interview,OK? Yes Is this onsite/remote position: Hybrid If onsite, will you be considering relocation candidates: NA Job Description: Detailed Job Description Strong experience with React.js, JavaScript ES6, HTML5, and CSS3. Experience with state management libraries such as Redux, Context API, or Z

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Contract

Depends on Experience

React.js jobs in Buffalo Grove, IL, USA