Senior Full-Stack Dev: Java Spring Microservices & React

Citigroup Inc.; Irving (TX); On-site; USD 125,760 - 188,640; Full time

Job summary

Citigroup Inc. is seeking a highly skilled Java/React Full Stack Developer to design, develop, and deploy end-to-end solutions with Java Spring Boot microservices and React.js front-ends.

You will work on Kafka-based integrations, workflow automation, search capabilities, and Oracle database interactions. The role requires strong collaboration with product owners and other developers to deliver high-quality features, RESTful APIs, and robust testing.

Qualifications

• 5+ years of professional experience in full-stack software development.
• Strong proficiency in Java with extensive experience in building microservices using Spring Boot.
• Demonstrable experience with Kafka for building message-driven architectures and data pipelines.
• Experience with workflow management systems or designing and implementing complex business process flows.
• Proven experience implementing search functionalities, potentially using technologies like Elasticsearch or Apache Solr.
• Solid expertise in relational databases, particularly Oracle, including advanced SQL, schema design, and performance tuning.
• Strong front-end development skills with React.js, including a deep understanding of component-based architecture, state management, and modern JavaScript (ES6+).
• Experience with RESTful API design and consumption.
• Proficiency with version control systems (e.g., Git).
• Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and CI/CD pipelines.
• Excellent problem-solving, analytical, and debugging skills.
• Strong communication and collaboration abilities.

Responsibilities

• Design, develop, and maintain robust, scalable microservices using Java and Spring Boot.
• Implement and manage Kafka-based integrations for real-time data streaming.
• Develop workflow management solutions to automate business processes.
• Design and implement search capabilities within applications.
• Work with Oracle databases including schema design and optimization.
• Develop responsive web interfaces using React.js.
• Collaborate with product owners and designers to define technical specs.
• Ensure seamless API integration between front-end and back-end via RESTful services.
• Write unit, integration, and end-to-end tests to ensure quality.
• Participate in code reviews and architectural discussions.
• Monitor performance and troubleshoot to maintain stability.
• Stay updated with emerging technologies and best practices.

Skills

Java

Spring Boot

Kafka

Workflow

Elasticsearch

Solr

Oracle

React.js

REST APIs

Git

Cloud AWS

CI/CD

Education

Bachelor's degree

Tools

Elasticsearch

Apache Solr

Job description

Citigroup Inc. is seeking a highly skilled Java/React Full Stack Developer to design, develop, and deploy end-to-end solutions with Java Spring Boot microservices and React.js front-ends.

You will work on Kafka-based integrations, workflow automation, search capabilities, and Oracle database interactions. The role requires strong collaboration with product owners and other developers to deliver high-quality features, RESTful APIs, and robust testing.