Senior Full-Stack Engineer: Java Spring Boot, React & Kafka

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

Benefits offered by this job

Medical, dental & vision coverage

401(k)

Paid time off

Job summary

Citi is seeking a highly skilled Java/React Full Stack Developer to design, build, and deploy end-to-end solutions. You will work on microservices with Java Spring Boot, integrate Kafka for real-time data, and implement workflow and search capabilities, while delivering responsive React-based interfaces and Oracle-backed data models.

The role emphasizes collaboration with product teams and a strong focus on code quality, testing, and maintainability, within a full-time on-site position in

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 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 (Redux, Context API), and modern JavaScript (ES6+).
• Experience with RESTful API design and consumption.
• Proficiency with version control systems (Git).
• Familiarity with cloud platforms (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, and secure microservices using Java and Spring Boot.
• Implement and manage integrations with middleware technologies, particularly Kafka messaging, for real-time data streaming and event-driven architectures.
• Develop and integrate with workflow management solutions to automate business processes.
• Design and implement search engine capabilities within applications to provide efficient data retrieval.
• Work extensively with relational databases, specifically Oracle, including schema design, query optimization, and data migration.
• Develop responsive, high-performance, and user-friendly web interfaces using React.js and its ecosystem.
• Collaborate with product owners, designers, and other developers to understand requirements, define technical specifications, and deliver high-quality features.
• Ensure the seamless integration between front-end and back-end components through RESTful APIs.
• Write comprehensive unit, integration, and end-to-end tests to ensure code quality and application reliability.
• Participate in code reviews, contribute to architectural discussions, and mentor junior developers.
• Monitor application performance, troubleshoot issues, and implement effective solutions to ensure system stability and optimal user experience.
• Stay current with emerging technologies, industry trends, and best practices in full-stack development.

Skills

Java

Spring Boot

React.js

RESTful APIs

Git

Cloud (AWS/Azure/GCP)

CI/CD

Elasticsearch

Oracle SQL

Education

Bachelor's degree

Tools

Kafka

Workflow management systems

Solr/ElasticSearch

Job description

Citi is seeking a highly skilled Java/React Full Stack Developer to design, build, and deploy end-to-end solutions. You will work on microservices with Java Spring Boot, integrate Kafka for real-time data, and implement workflow and search capabilities, while delivering responsive React-based interfaces and Oracle-backed data models.

The role emphasizes collaboration with product teams and a strong focus on code quality, testing, and maintainability, within a full-time on-site position in