Entry Level- Java Developer

BeaconFire Inc.; California (MO); On-site; USD 90,000 - 120,000; Full time

Job summary

BeaconFire Inc. is seeking a Java Full Stack Developer with AI Integration to build scalable, production-grade Spring Boot microservices and web applications. You will own the development lifecycle from design to deployment, including testing, optimization, and documentation.

The role emphasizes building intelligent agents, implementing AI/LLM features with RAG pipelines, and working with cloud-native architectures and databases. Collaboration in an Agile Scrum team is essential.

Qualifications

• Experience with the full software development lifecycle.
• Strong knowledge of APIs and data structures (e.g., Collections, Maps, lists).
• Proficiency in Java, Spring, and web technologies (React.js, HTML, CSS).

Responsibilities

• Full Stack development of scalable web apps using Java 8/17 and Spring Boot.
• Build production‑grade microservices and cloud-native architectures.
• Design, test, and optimize APIs; ensure code quality with reviews.
• Participate in Agile Scrum and own the full development lifecycle.
• Create technical docs for applications, APIs, and deployments.
• Ship to production with CI/CD, monitoring, and security best practices.
• Stay updated with Java & AI integration trends, including RAG pipelines.

Skills

Java

Spring Boot

SQL

NoSQL

Kafka

REST APIs

OOP

React.js

HTML/CSS

Maven

Spring AI

LangChain4j

RabbitMQ

Education

Master’s Degree in CS

Tools

Maven

Spring AI

LangChain4j

RabbitMQ

Job description

Java Full Stack Developer with AI Integration

BeaconFire is based in Central NJ, specializing in Software Development, Web Development,

and Business Intelligence. We're looking for a talented Java developer to build scalable,

production-ready Spring Boot microservices. You'll design and implement high-performance

web services, develop intelligent tool-using agents, and work confidently with cloud-native

architectures and databases. You'll own the development lifecycle, including design,

implementation, testing, and optimization.

Job Responsibilities:

• Full Stack Development
• Develop scalable web applications using Java 8/17, Spring Boot, SQL, NoSQL, Kafka,
• 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, consistency, and adherence to best practices.
• 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
• 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.
• AI Integration
• 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.

Requirement:

• Decent understanding of the software development life cycle
• Basic programming skills using object-oriented programming (OOP) languages with in-depth knowledge of common APIs and data structures like Collections, Maps, lists,
• Knowledge of relational databases (e.g., MySQL, PostgreSQL), basic SQL query

Preferred Qualifications:

• Master’s Degree in Computer Science (CS)
• 0-1 year of practical experience in Java coding
• Experience using Spring, Maven, React.js, HTML, CSS
• Knowledge of other contemporary Java technologies (e.g., Weblogic, RabbitMQ,
• Basic understanding of AI/LLM concepts.
• Spring AI or LangChain4j experience.
• RAG application building or vector database experience.