Java Software Engineer
BeaconFire Inc.
This job at a glance
- Who can apply
- New grads and up to 1 year
- Must know
- JavaJavaScriptTypeScriptSQLNoSQLHTML
- Work
- On-site in District of Columbia
- Pay
- Not stated by the employer.
- Skill demand
- JavaScript42%Java40%SQL28%TypeScript24%of 149 similar entry-level jobs posted in the US this week
- Listed
- Oct 30, 2026 · still open
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Java Software Engineer at BeaconFire Inc.
Key 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, ensuring 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 an 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.
Requirements & Tech Stack
- 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.