Full-Stack Java AI Engineer: Spring Boot & RAG

re-zoo-me; New York, Northern (NY, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

BeaconFire is seeking a Full Stack Developer to join our team in New York. You will build scalable web apps using Java, Spring Boot, Angular/React, and modern frontend tech, ensuring performance and reliability.

You will participate in AI integration with RAG pipelines, LangChain4j, and vector databases, and contribute to API design, testing, and documentation while following Agile practices. You will collaborate in a Scrum team, review code, and help optimize cost and performance.

Qualifications

• Experience in Java and JavaScript.
• Decent understanding of the software development life cycle.
• Basic OOP skills with knowledge of common APIs and data structures.
• Knowledge of relational databases (MySQL, PostgreSQL) and basic SQL skills
• Basic SQL query language skills.

Responsibilities

• Develop scalable web applications using Java 8/17, Spring Boot, SQL, NoSQL, Kafka, RabbitMQ, Angular 2+, React.js, HTML5, CSS, JavaScript, and TypeScript.
• Write clean and efficient code, and ensure code maintainability and reusability.
• Conduct Testing to ensure application and reliability.
• Perform code reviews to ensure code quality and consistency.
• Participate in Agile Scrum team and own the full development lifecycle, including project planning, design, implementation, testing, and optimization.
• Create and maintain comprehensive technical documentation for applications, APIs, and deployment procedures.
• Ship to production: APIs, monitoring/observability, cost/performance optimization, CI/CD, and security best practices.
• Stay up to date with the latest technologies for Java development.
• Implement RAG pipelines using Spring AI and LangChain4j with vector database integration.
• Stay up to date with the latest RAG technologies and best practices, including chunking strategies, embeddings, retrieval optimization, and reranking techniques.

Skills

Java

JavaScript

OOP

SQL

NoSQL

Kafka

RabbitMQ

Angular 2+

React.js

HTML5

CSS

TypeScript

Spring Boot

Education

Master’s Degree in Computer Science

Tools

Spring

Maven

React.js

HTML

CSS

Weblogic

Tomcat

LangChain4j

RabbitMQ

Job description

BeaconFire is seeking a Full Stack Developer to join our team in New York. You will build scalable web apps using Java, Spring Boot, Angular/React, and modern frontend tech, ensuring performance and reliability.

You will participate in AI integration with RAG pipelines, LangChain4j, and vector databases, and contribute to API design, testing, and documentation while following Agile practices. You will collaborate in a Scrum team, review code, and help optimize cost and performance.