Senior Full-Stack Lead — Java/Spring & React

Citibank (Switzerland) AG; Irving (TX); On-site; Confidential; Full time

Benefits offered by this job

Medical

Dental & Vision

401(k)

Life Insurance

Wellness Programs

Paid Time Off

Holidays

Job summary

Citibank (Switzerland) AG seeks a seasoned Java/React Full Stack Developer to design, develop, and deploy end-to-end solutions. You will build Java/Spring Boot microservices, integrate with Kafka, and implement search with Elasticsearch/Solr.

The role requires Oracle SQL expertise and strong React.js front-end skills. You will collaborate with product owners and designers, ensure RESTful API integrity, and mentor junior developers while driving performance and reliability.

Qualifications

• 5+ years of professional full-stack software development experience.
• Strong proficiency in Java with Spring Boot for microservices.
• Experience with Kafka for real-time data streaming and pipelines.
• Experience with workflow management systems and business processes.
• Experience implementing search with Elasticsearch or Solr.
• Strong Oracle SQL, schema design, and performance tuning.
• React.js front-end with modern JavaScript and state management.
• RESTful API design and consumption; Git version control.
• Cloud platforms (AWS/Azure/GCP) and CI/CD pipelines.
• Excellent problem-solving, analytical, and teamwork skills.

Responsibilities

• Design, develop, and maintain microservices using Java and Spring Boot.
• Integrate with Kafka for real-time data streaming and event-driven workloads.
• Develop workflows to automate business processes.
• Implement search capabilities using Elasticsearch or Solr.
• Work with Oracle DB schemas, SQL tuning, and data migration.
• Build responsive React.js front-ends and ensure API integration.
• Collaborate with product owners and designers to define specs.
• Write unit, integration, and end-to-end tests; perform code reviews.
• Monitor performance and mentor junior developers.

Skills

Java

Spring Boot

Kafka

Workflow management

React.js

RESTful APIs

SQL/Oracle

State management

Cloud/CD

Problem solving

Education

Bachelor’s degree

Tools

Git

Elasticsearch

Apache Solr

Job description

Citibank (Switzerland) AG seeks a seasoned Java/React Full Stack Developer to design, develop, and deploy end-to-end solutions. You will build Java/Spring Boot microservices, integrate with Kafka, and implement search with Elasticsearch/Solr.

The role requires Oracle SQL expertise and strong React.js front-end skills. You will collaborate with product owners and designers, ensure RESTful API integrity, and mentor junior developers while driving performance and reliability.