Entry Level Java Developer

BeaconFire Inc.; New York (NY); On-site; USD 80,000 - 120,000; Full time

Job summary

BeaconFire Inc. is seeking a Java developer to build scalable web apps using Java 8/17, Spring Boot, SQL, NoSQL and Kafka. The role covers testing, code reviews, and ownership of the full software lifecycle within an Agile Scrum team.

Candidates should understand SDLC, OO programming, and relational DBs; knowledge of components like Spring AI or LangChain4j is a PLUS. Master’s degree in CS preferred; 0–1 year experience welcomed.

Qualifications

• Understanding of the software development life cycle
• Experience with object-oriented programming and common APIs/data structures like Collections, Maps, and lists
• Knowledge of relational databases (e.g., MySQL, PostgreSQL) and basic SQL queries

Responsibilities

• Develop scalable web applications using Java 8/17, Spring Boot, SQL, NoSQL, Kafka
• Write clean, efficient code and ensure maintainability
• Conduct testing to ensure reliability and stability
• Participate in Agile Scrum and own full development lifecycle from planning to optimization
• Create and maintain technical documentation for applications and APIs

Skills

Java

Spring Boot

SQL

NoSQL

Kafka

Testing

Code reviews

Agile/Scrum

Documentation

Education

Master's Degree in Computer Science

Tools

Spring AI

LangChain4j

RabbitMQ

Weblogic

Maven

React.js

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,
• 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