Senior Java Backend Engineer — Spring Boot & Microservices

re-zoo-me; Pasadena, Northern (CA, KY); Hybrid; USD 140,000 - 190,000; Full time

Job summary

re-zoo-me is seeking a highly skilled Java Developer with extensive back-end experience, including Java, Spring Boot, RESTful APIs, and microservices. The role emphasizes event-driven architectures, AWS deployment, CI/CD, and containerization with Docker/Kubernetes.

You will work in an AI-augmented environment leveraging agents and LLM-powered tools. You will design, build, and maintain scalable back-end services, collaborate with cross-functional teams, and ensure code quality through reviews.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• 8+ years of experience as a Java Developer.
• Strong expertise in Java and Spring Boot for back-end development.
• Proven experience with RESTful API development, microservices architecture, and event-driven architecture.
• Hands-on experience with AWS services and cloud deployment strategies.
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience with containerization tools (e.g., Docker) and orchestration tools (e.g., Kubernetes).
• Knowledge of testing frameworks and practices for back-end.
• Experience with SQL and NoSQL databases.
• Understanding of version control tools, particularly Git.
• Experience working in an Agile development environment.
• Strong problem-solving skills, with attention to detail and quality.
• Excellent communication and teamwork skills.
• Familiarity with AI agent workflows, including tool calling and multi-step task orchestration within backend systems.

Responsibilities

• Design, develop, and maintain back-end services with Java, Spring Boot, and microservices architecture.
• Develop robust, high-performance RESTful APIs and event-driven solutions to support scalable applications.
• Collaborate with front-end developers to build interactive UIs
• Work with AWS cloud services to deploy and manage scalable applications.
• Use build tools for efficient development and deployment workflows.
• Collaborate with cross-functional teams to define, design, and deploy new features and enhancements.
• Perform code reviews, and ensure best practices in code quality, architecture, and design.
• Troubleshoot, debug, and resolve application issues, ensuring high performance and responsiveness.
• Stay up-to-date with industry trends and new technologies to improve application performance and scalability.
• Leverage AI agents and LLM APIs to automate and enhance backend workflows and distributed systems.

Skills

Java

Spring Boot

REST APIs

Microservices

Event-driven architecture

AWS

CI/CD

Docker/Kubernetes

SQL/NoSQL

Git

Agile

AI agent workflows

Education

Bachelors in CS/Software Engineering

Tools

Docker

Kubernetes

AWS

Git

Job description

re-zoo-me is seeking a highly skilled Java Developer with extensive back-end experience, including Java, Spring Boot, RESTful APIs, and microservices. The role emphasizes event-driven architectures, AWS deployment, CI/CD, and containerization with Docker/Kubernetes.

You will work in an AI-augmented environment leveraging agents and LLM-powered tools. You will design, build, and maintain scalable back-end services, collaborate with cross-functional teams, and ensure code quality through reviews.