Junior Java Developer

BeaconFire Inc.; Arizona; On-site; USD 62,000 - 80,000; Full time

Job summary

BeaconFire Inc. is seeking an AI developer to design and implement scalable Spring Boot microservices, build intelligent tool-using agents, and work with cloud-native databases.

The role covers the full development lifecycle, from design and testing to deployment, monitoring, and optimization, with a focus on high performance, security, and maintainability. Candidates should have a strong grounding in OOP, Java, and modern web technologies, plus experience with Spring AI or LangChain4j and

Qualifications

• Master's degree in Computer Science.
• 0-1 year of practical Java coding experience.
• Experience with Spring, Maven, React.js, HTML and CSS.

Responsibilities

• Develop scalable Spring Boot microservices in production-ready form.
• Build intelligent tool-using agents and cloud-native architectures.
• Own full development lifecycle from design to optimization.
• Write clean, maintainable code with emphasis on quality.
• Contribute to testing, code reviews, and documentation.
• Implement APIs, observability, CI/CD, and security best practices.
• Stay current with Java technologies and RAG-related approaches.

Skills

OOP fundamentals

Software development lifecycle

Java coding experience

Education

Master's degree in Computer Science

Tools

Spring

Maven

React.js

HTML

CSS

Job description

About the Role

We're looking for a talented AI 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.

Responsibilities

• Experience with one or more OOP programming languages, including Java, C++, C#, similar languages.
• 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

Qualifications

• 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

Required Skills

• 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.

Pay range and compensation package

$62,000.00 to $80,000.00 /year

Equal Opportunity Statement

BeaconFire is an E-verified company and provides equal employment opportunities (visa sponsorship provided).