Entry Level Java Developer

BeaconFire Inc.; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

BeaconFire Inc. is seeking a Java developer to build scalable web applications using Java 8/17, Spring Boot, SQL/NoSQL, and Kafka. You will write clean, maintainable code, and participate in code reviews and testing to ensure reliability.

The role covers the full development lifecycle in an Agile Scrum team, with emphasis on production deployment, monitoring, and security. You will also work on AI integration projects using Spring AI and LangChain4j, with vector databases and related tooling,

Qualifications

• Understanding of the software development life cycle.
• Basic programming skills in OOP with knowledge of common APIs and data structures.
• Familiarity with relational databases (MySQL, PostgreSQL) and basic SQL queries.

Responsibilities

• Develop scalable web applications using Java 8/17, Spring Boot, SQL, NoSQL, Kafka.
• Write clean, maintainable, and reusable code; perform code reviews.
• Contribute to testing to ensure reliability and quality.
• Participate in Agile Scrum and own full development lifecycle from planning to optimization.
• Create and maintain technical documentation for applications and APIs.
• Ship production-ready APIs with monitoring, CI/CD, cost/performance optimization, and security best practices.
• Stay current with Java technologies and AI integration techniques.

Skills

Java

Spring Boot

SQL

NoSQL

Kafka

Testing

Agile Scrum

CI/CD

Security best practices

React.js

HTML

CSS

Weblogic

RabbitMQ

LangChain4j

Spring AI

vector database

Education

Master's Degree in Computer Science (CS)

Tools

Spring

Maven

React.js

HTML

CSS

Weblogic

RabbitMQ

LangChain4j

Spring AI

vector database

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