Junior Software Engineer
BeaconFire Inc.
This job at a glance
- Who can apply
- New grads and up to 1 year
- Must know
- SpringMicroservicesJavaJavaScriptTypeScriptSQL
- Work
- On-site in New York City Metropolitan Area
- Pay
- $62K–$80K a year
- Skill demand
- Java57%JavaScript55%Spring19%Microservices5%of 42 similar entry-level jobs posted in the US this week
- Listed
- Oct 30, 2026 · still open
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About the Role
BeaconFire is looking for a talented AI developer to build scalable, production-ready Spring Boot microservices. You will design and implement high-performance web services, develop intelligent tool-using agents, and work confidently with cloud-native architectures and databases. You will own the development lifecycle, including design, implementation, testing, and optimization.
Key Responsibilities
- 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.
Requirements & Tech Stack
- Experience with one or more OOP programming languages, including Java, C++, C#, similar languages.
- Experience in the programming languages Java and JavaScript.
- 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.
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.
- Master’s Degree in Computer Science (CS).
- 0-1 year of practical experience in Java coding.
Pay range: $62,000.00 to $80,000.00 /year