React.js jobs in massachusetts

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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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

Lead React Developer

Andover, Massachusetts

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Today

Our client, a leading energy company, is hiring a Technical Lead in Andover, MA. This is a hybrid role 2x ! *This is a 1 year W2 contract with benefits!* This role provides technical leadership for enterprise web applications and digital platforms. You will guide architecture decisions, mentor developers, and help drive project delivery. The position combines hands-on React development with system-level technical leadership. Job Responsibilities: Lead frontend architecture and development usin

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Contract

$85 - $110

Senior Full Stack Engineer - TypeScript/React/Node/Healthcare

Boston, Massachusetts

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Today

Job Description An early-stage health tech company is seeking a Full Stack Engineer to join its growing engineering team. This role offers the opportunity to work across the full software development lifecycle, building scalable applications, internal tools, integrations, and platform capabilities that support critical healthcare workflows. As part of a small, fast-moving team, you will have significant ownership over product development and technical decision-making. The ideal candidate is a h

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Full-time

$150000 - $175000

Full Stack Developer - TypeScript, React, Node

Boston, Massachusetts

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Today

Job Description An early-stage digital health startup is looking to hire a Full Stack Engineer to help build and enhance their digital platform that supports health care patients and their care teams. This hands-on role involves owning features from concept to deployment, working across multiple areas of the product, and collaborating closely with product, clinical, and engineering teams to deliver reliable, secure, and impactful healthcare solutions. You would be using TypeScript, React, Node,

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Full-time

$150000 - $175000

React full Stack Develoepr

Worcester, Massachusetts

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Today

job summary: Build highly reliable full?stack solutions using React.js and Spring Boot. Build new applications, prototypes, and proof?of?concept solutions. Collaborate with cross?functional teams including architects, business analysts, and QA engineers. Work on the design, coding, unit testing, deployment, and monitoring of the software you build. Work closely with product owners, developers, and stakeholders to ensure alignment on solution delivery. Translate business requirements into s

Contract

USD60 - USD65

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

Remote

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Today

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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10d 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

Senior React Full Stack Developer

Remote

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Today

Were Hiring: Senior React Full Stack Developer Location: Remote Experience: 15+ years We are looking for an experienced React Full Stack Developer to build scalable, high-performance web applications using modern frontend and backend technologies. Top Skills: TypeScript & JavaScript React & Vite Node.js & API Development PostgreSQL, SQL & Prisma ORM Distributed Systems, Event-Driven Architecture & Message Queues Key Responsibilities: Develop modern frontend and backend applications. Design a

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Contract, Third Party

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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6d 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

Software Developer & QA Analyst (Power Platform / .NET / React)

Remote

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Today

Software Developer & QA Analyst (Power Platform / .NET / React) Job Summary We are seeking a hands-on Software Developer & QA Analyst with experience in Power Apps, .NET, React, SQL, and software testing. This hybrid role combines application development with quality assurance to deliver reliable, high-quality business solutions. Key Responsibilities Software Development Develop and enhance applications using Power Apps and Power Automate. Build web applications and APIs using C#, .NET,

Full-time, Third Party

Depends on Experience

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

Sr Fullstack with VueJS/Angular/React

Boston, Massachusetts

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15d ago

Sr Fullstack with VueJS/Angular/React Boston, MA Fulltime with Photon We are seeking an experienced Senior Java / VueJS/Angular/React Backend Developer with 10+ years of expertise in designing, developing, and deploying enterprise-grade applications. The ideal candidate will possess strong hands-on experience in Java, Spring Boot, Microservices, VueJS, AWS Cloud, CI/CD, and Containerized Deployments. This role involves leading backend development initiatives, collaborating with cross-functional

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Full-time

Depends on Experience

UIPATH Automation Engineer

Remote

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Today

Production-level RPA design and delivery; UiPath certifications preferred (UiARD or equivalent) Experience in React 18+, TypeScript, component architecture, integration with REST/API backends Hands-on experience with OpenAI, Azure OpenAI, or Anthropic APIs; RAG pipelines, function calling, streaming UX patterns Prior work in financial services, healthcare, or other regulated environments preferred Experience in Workflow configuration, API integration, or administration experience

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Contract

Depends on Experience

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 Developer

Hybrid in Boston, Massachusetts

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14d ago

We are looking for a highly skilled Senior Full Stack Engineer to design, build, and scale customer-facing technology platforms. This role requires strong hands-on expertise across frontend and backend engineering, with the ability to deliver end-to-end solutions using modern web technologies, cloud-native services, APIs, microservices, and distributed systems. The ideal candidate brings strong engineering fundamentals, a product mindset, and the ability to independently solve complex technical

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Full-time

Depends on Experience

.NET Full Stack Technical Lead

Hybrid in North Andover, Massachusetts

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Yesterday

Role: .NET Full Stack Technical Lead Location: North Andover, MA, USA - Hybrid Must have: React and AWS Role Summary: We are seeking an experienced .NET Full Stack Technical Lead with strong expertise in .NET Core, C#, React.js, and AWS. The ideal candidate will have a solid understanding of microservices architecture, hands-on cloud deployment experience, and proven team leadership and project coordination skills. The candidate will be responsible for leading the end-to-end software developmen

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Contract

Depends on Experience

React.js jobs in Massachusetts, USA