Java Software Engineer

re-zoo-me; California (MO); Hybrid; USD 90,000 - 130,000; Full time

Job summary

BeaconFire is seeking a capable Full Stack Developer to build scalable web applications using Java 8/17, Spring Boot, and modern frontend stacks including Angular/React. The role covers the full development lifecycle from design to deployment, with emphasis on clean code, testing, and documentation.

The ideal candidate has strong Java and JavaScript skills, solid understanding of SDLC, and experience with APIs, databases, and messaging systems. Familiarity with AI/RAG integrations is a plus.

Qualifications

• Experience in Java and JavaScript development across full stack.
• Understanding of SDLC and Agile practices.
• Familiarity with RESTful APIs, SQL/NoSQL databases, and messaging systems.

Responsibilities

• Develop scalable web applications using Java 8/17, Spring Boot, and modern frontend technologies.
• Write clean, maintainable code with emphasis on testing and quality.
• Participate in Agile Scrum, plan, design, implement, test, and optimize features.
• Create technical documentation for applications, APIs, and deployment procedures.
• Ship production-ready APIs, monitoring, CI/CD, and security best practices.
• Stay updated with Java technologies and evolving frameworks.

Skills

Java

JavaScript

OOP

APIs & Data structures

Education

Master’s degree in CS

Tools

Spring

Maven

React.js

HTML/CSS

RabbitMQ

Tomcat

WebLogic

Job description

Job Responsibilities

Full Stack Development

• 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, 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 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.

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:

• Experience in the programming languages Java and JavaScript
• 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, Sets, etc.
• Knowledge of relational databases (e.g., MySQL, PostgreSQL), basic SQL query language skills

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, Tomcat, etc.)
• 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 sponsorship provided).