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-focused developer to build scalable web applications using Java 8/17, Spring Boot, and SQL/NoSQL databases. You will own the full development lifecycle within an Agile Scrum team, from planning to production deployment.

You will write clean, maintainable code, conduct reviews, and create comprehensive technical docs for APIs and applications. Knowledge of AI/LLM concepts and Spring AI/LangChain4j is a plus.

Qualifications

• Understanding of the software development life cycle.
• Proficient in object-oriented programming with APIs and data structures.
• Knowledge of relational databases (MySQL, PostgreSQL) and basic SQL.

Responsibilities

• Develop scalable web applications using Java 8/17, Spring Boot, SQL, NoSQL, Kafka.
• Write clean, maintainable code and ensure reliability through testing.
• Conduct code reviews to ensure quality and best practices.
• Participate in Agile Scrum, owning the full development lifecycle from planning to optimization.
• Create technical documentation for applications and APIs.
• Deploy to production with CI/CD, monitoring, and security considerations.
• Stay updated with Java technologies and evolving AI/LLM concepts.

Skills

Java

OOP

SQL

NoSQL

APIs

Education

Master’s Degree in Computer Science

Tools

Spring Boot

Maven

React.js

HTML

CSS

Kafka

WebLogic

RabbitMQ

LangChain4j

Spring AI

Vector DB

Job description

• 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.

BeaconFire is an E-verified company and provides equal employment opportunities (visa