ReactJS and Java API Developer

RXinsider LTD.; Philadelphia (Philadelphia County); On-site; USD 110,000 - 170,000; Full time

Job summary

RXinsider LTD. in the United States seeks a collaborative ReactJS and Java API software developer to be a key contributor within our agile delivery process for software development.

You will design, develop, and maintain scalable web applications, build RESTful Java APIs with SQL Server, and collaborate with cross-functional teams to deliver high-quality oncology pathway solutions embedded in clinical workflows.

Qualifications

• Experience in ReactJS and Java API development.
• Ability to work across agile and waterfall methodologies.
• Experience documenting technical specifications for system components.

Responsibilities

• Design, develop, and maintain scalable web applications using ReactJS.
• Build RESTful Java APIs and backend services leveraging Microsoft SQL Server and IIS.
• Collaborate with product managers, QA, UX, DevOps, and other teams to deliver high-quality solutions.
• Translate business requirements into functional and technical solutions.
• Design, develop, and optimize SQL queries, stored procedures, and database schemas in Microsoft SQL Server.

Skills

ReactJS

Java Spring Boot

RESTful APIs

SQL Server

Agile methodologies

EHR integration

Tools

Microsoft SQL Server

IIS

Job description

Are you a collaborative ReactJS and Java API Developer looking to work for a mission driven global organization?

About the role, we are looking for a collaborative ReactJS and Java API software developer to be a critical component within our agile delivery process for Software Development.

About the team, this team builds evidence-based oncology pathways — structured treatment recommendations for cancer care based on the latest clinical evidence and expert consensus.

They drive integration with clinical workflows, often embedded in electronic health records (EHRs) so oncologists can access guidance at the point of care.

Requirements

• Possess current proficiency in ReactJS development
• Possess current proficiency in Java Spring Boot API development
• Ability to quickly pick up new languages and technologies
• Ability to work well with internal and external technology resources
• Ability to write and review portions of detailed specifications for the development of system components of moderate complexity
• Knowledge of software development methodologies (e.g., Agile, Waterfall)
• Ability to write and review portions of detailed specifications for the development of system components of moderate complexity

Responsibilities

• Designing, developing, and maintaining scalable web applications using ReactJS
• Building and optimizing RESTful Java APIs and backend services leveraging Microsoft SQL Server and IIS
• Contributing to full-stack development, ensuring high performance, responsiveness, and reliability across applications
• Writing clean, maintainable, and well-documented code following established coding standards
• Translating business requirements into functional and technical solutions
• Designing, developing, and optimizing SQL queries, stored procedures, and database schemas in Microsoft SQL Server. Ensure data integrity, performance tuning, and scalability of database-driven applications
• Collaborating with product managers, QA, UX, DevOps, and other engineering teams to deliver high-quality solutions. Work effectively with internal and external technology partners, including vendors and third-party service providers