Java Developer

re-zoo-me; Jersey City (NJ); On-site; USD 120,000 - 150,000; Full time

Job summary

re-zoo-me is seeking a senior Java backend developer to design and implement microservices using Spring Boot/Spring MVC/Spring Data. You will work on RESTful APIs, OpenAPI contracts, and messaging with Kafka while ensuring scalable, secure, and performant services. Strong database and data layer experience with MongoDB is required.

Responsibilities include API design, query optimization, and collaboration with cross-functional teams to deliver reliable software in a fast-paced environment.

Qualifications

• Hands-on Java development with Spring stack.
• Experience building microservices and API contracts.
• Strong data modeling and database query skills.
• Familiarity with messaging systems (Kafka) and RESTful design.

Responsibilities

• Design, develop, and maintain Java-based microservices.
• Implement RESTful APIs adhering to enterprise standards.
• Develop and optimize SQL queries for transactional/reporting use cases.
• Design and manage MongoDB schemas, indexes, and queries.
• Ensure high availability, scalability, and performance of microservices.
• Collaborate with BAs, Architects, QA, and DevOps teams.
• Support CI/CD pipelines, deployments, and production issues.
• Follow secure coding practices and compliance standards.

Skills

Java

Spring Boot

Spring MVC

Spring Data

Microservices

REST APIs

JSON

OpenAPI/Swagger

Kafka

MongoDB

Tools

OpenShift

AWS

Job description

Job Description

Core Development

• Java (8/11/17) - strong hands on experience
• Spring Boot, Spring MVC, Spring Data
• Microservices architecture (service decomposition, API contracts)
• REST APIs, JSON, OpenAPI / Swagger
• Kafka producer, consumer, partitioning
• MongoDb
• Openshift / AWS

Database & Data Layer

• MongoDB
• Document modeling
• Indexing strategies
• Aggregation framework
• CRUD & performance tuning

Integration & Messaging

• Experience with Kafka (preferred)
• REST based integrations with upstream/downstream systems
• Design, develop, and maintain Java based microservices
• Implement RESTful APIs adhering to enterprise design standards
• Develop and optimize SQL queries (E2 level) for transactional and reporting use cases
• Design and manage MongoDB schemas, indexes, and queries
• Ensure high availability, scalability, and performance of microservices
• Apply exception handling, logging, monitoring, and resiliency patterns
• Collaborate with Business Analysts, Architects, QA, and DevOps teams
• Participate in code reviews, unit testing, and defect resolution
• Support CI/CD pipelines, deployments, and production issues
• Follow secure coding and compliance standards