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Qualis1 Inc.

React Developer with Strong JAVA Experience

On site

Bentonville, United states

$ 45 /hour

Freelance

18-01-2026

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Skills

Java JavaScript Go TypeScript Scala HTML CSS SQL NoSQL Cassandra Docker Kubernetes Azure Cosmos DB Test Networking Research Architecture Data Architecture Databases apache Azure react Front-end Development ReactJs Google Cloud Platform cloud platforms Junit Spring Nextjs Redux GCP Spring Boot Microservices Microsoft Azure

Job Specifications

React Developer with Strong JAVA Experience

Location: Bentonville, AR

Duration: 6 months

Role Description:

• Front-End Technologies:

o Strong hands-on experience with ReactJS, React Hooks, NextJS, JavaScript (ES6), TypeScript, HTML, and CSS.

o Significant experience working with React-based web and mobile applications using tools such as Flux, Flow, Redux, and similar frameworks.

o Strong knowledge of React fundamentals, including Virtual DOM, component lifecycle, and component state.

• Cloud & Containerization:

o Experience working with cloud platforms such as Microsoft Azure, Google Cloud Platform (GCP), or other cloud stacks.

o Hands-on experience with Kubernetes and Docker.

• UI & Front-End Development:

o Create front-end modules with a focus on responsiveness, cross-browser compatibility, high performance, maximum code reusability, and efficiency.

o Ability to develop functional, technical, and user interface designs that meet defined business and technical requirements.

• Backend & Microservices Architecture:

o Experience building n-tier, highly scalable, fault-tolerant, reactive microservices using Java, Scala, or Go.

o Strong experience with frameworks and technologies such as Camel, Spring, Apache Tomcat, JBoss, and RESTful architectures.

o Design and build cutting-edge, next-generation reactive microsystems deployed in Kubernetes ecosystems within public cloud environments such as Google GCP and Microsoft Azure.

o Design and architect cloud-native, distributed, high-performance, scalable, and fault-tolerant microservices.

• Java & Distributed Systems:

o Expert-level knowledge and understanding of Java and Spring Boot.

o Experience working with distributed systems and geographically distributed teams.

• Testing & Code Quality:

o Ability to build products with a strong focus on testability and test coverage.

o Well-versed in testing frameworks such as Mockito and JUnit.

o Disciplined approach to development, including code reviews, testing, documentation, and clean code structure in a team environment.

• Databases & Data Architecture:

o Experience designing and architecting applications using SQL and NoSQL databases such as Oracle, Cassandra, and Azure Cosmos DB.

• Innovation & Research:

o Utilize industry research and innovation to build next-generation systems that improve the Walmart technology environment.

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Essential Skills

• Strong experience with ReactJS, React Hooks, NextJS, JavaScript (ES6), TypeScript, HTML, and CSS.

• Experience with Kubernetes and Docker.

• Significant experience building React web and mobile applications using Flux, Flow, Redux, and related tools.

• Strong understanding of React fundamentals, including Virtual DOM, component lifecycle, and component state.

• Experience working with cloud platforms such as Microsoft Azure, Google GCP, or other cloud stacks.

• Proven ability to build responsive, cross-browser compatible, high-performance web applications with reusable and efficient code.

• Experience developing functional, technical, and UI designs aligned with application requirements.

• Experience building scalable, fault-tolerant, reactive microservices using Java, Scala, or Go with Spring, Camel, Apache Tomcat, JBoss, and RESTful APIs.

• Experience designing and deploying cloud-native microservices in Kubernetes-based public cloud environments (GCP, Azure).

• Expert knowledge of Java and Spring Boot, with experience in distributed systems.

• Strong focus on test-driven development and test coverage using Mockito and JUnit.

• Deep understanding of microservices architecture, multithreading, networking, and performance tuning.

• Experience designing and architecting applications using SQL and NoSQL databases such as Oracle, Cassandra, and Azure Cosmos DB.

• Commitment to disciplined development practices, including code reviews, documentation, testing, and collaboration.

Desirable Skills:

Skills: Digital : ReactJS~Advanced Java Concepts~Digital : Spring Boot

About the Company

At Qualis1 Inc., our robust business model is strategically built upon serving diverse industry sectors, including Finance, Health Care, Education, State Government, and Manufacturing. This structured approach not only ensures our financial stability but also empowers us to consistently support our valued employees and exceed our clients’ expectations. Our commitment to excellence drives every aspect of our operations, enabling us to deliver tailored solutions and unparalleled service across various industries. Know more