Senior Fullstack Java Developer Boston, MA

Esrhealthcare
Boston, MA

Senior Fullstack Java Developer Boston, MA

Job Type: Contract

Compensation: $63 - 68 Hourly

JobID: 2167055-AQG

a client in Boston, MA that is seeking a Senior Fullstack Java Developer. Responsibilities:

Collaborate with Business Analysts to translate business requirements into technical designs

Develop, test, and maintain high-quality source code across the full stack

Create and execute unit tests; support functional and system integration testing

Participate in deployment activities and production support when needed

Design and integrate application components for seamless interoperability

Ensure solutions meet performance, scalability, maintainability, and security standards

Requirements

Bachelor's degree in Computer Science, Engineering, or related field

5+ years developing web-based applications using Java/J2EE technologies

Experience building and deploying microservices in AWS

Experience using GitHub Copilot in Agent mode to assist with Java development

Ability to create cross-browser, cross-platform compatible solutions

Strong understanding of web application security best practices

Self-motivated, organized, and able to prioritize in high-pressure environments

Strong analytical and problem-solving skills with keen attention to detail

Strong experience with:

Core Java (multi-threading, Executor framework)

Spring, Spring MVC, Hibernate, MyBatis

RESTful web services development and integration

JavaScript, JSP, CSS, HTML, Angular, and modern JS libraries (e.g., jQuery)

AJAX, XML/XSLT, and JSON

Application servers: JBoss, Apache, Tomcat

SQL database design, stored procedures, and performance optimization

Preferred Qualifications

Prior experience developing property & casualty insurance applications

Familiarity with non-functional requirements such as performance tuning and scalability strategies

Posted 2026-03-22

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