Senior Java Engineer — Hybrid Backend Leader

Citigroup Inc.; Irving (TX); On-site; USD 107,000 - 161,000; Full time

Job summary

Citi is seeking a Senior Java Engineer to join its IBCB technology division in Irving. You will design and develop scalable full‑stack applications using Java, Spring Boot, Kafka, GraphQL, and Angular, with a backend emphasis. You will mentor peers and drive engineering rigor across the SDLC.

The role requires deep Java/Spring Boot expertise, Angular frontend skills, and experience with CI/CD, DevSecOps, and testing practices. Hybrid work is available in a globally distributed team.

Qualifications

• 6 or more years of full stack development experience, with strong hands-on expertise in Java backend engineering as the primary technical discipline.
• Deep proficiency in Java and Spring Boot, including the design and delivery of microservices-based, production-grade backend systems.
• Solid experience building frontend applications with Angular, including in-depth knowledge of JavaScript and functional programming patterns.
• Practical experience with messaging and data technologies including Kafka, GraphQL, and NoSQL databases.
• Demonstrated ability to apply DevSecOps principles, security-first development practices, and CI/CD tooling throughout the software development lifecycle.
• Experience writing and maintaining comprehensive UI tests, with a consistent focus on quality and reliability.
• Ability to work effectively with limited direct supervision, take end-to-end ownership of deliverables, and operate confidently in an agile development environment.
• Bachelor's degree in a relevant field, or equivalent practical experience.

Responsibilities

• Design and develop robust, scalable backend services and APIs using Java and Spring Boot, serving as the primary technical contributor across a 70/30 Java-to-Angular full stack environment.
• Build and maintain Angular-based frontend interfaces that deliver intuitive, high-quality experiences to banking professionals.
• Implement DevSecOps and Site Reliability Engineering (SRE) best practices to architect solutions that are secure, resilient, and production-ready.
• Advocate for engineering excellence across the full software development lifecycle, applying sound design principles and modern CI/CD practices from development through to deployment.
• Assess existing applications to identify areas of technical complexity, surface potential risks, and recommend targeted improvements to architecture or process.
• Collaborate with project stakeholders to clarify requirements, communicate technical approaches clearly, and keep delivery aligned with user needs.
• Mentor fellow engineers through code reviews, design reviews, and technical documentation reviews to ensure consistent delivery quality across the team.

Skills

Full stack development

Java backend

Angular frontend

Spring Boot

Kafka

GraphQL

NoSQL databases

CI/CD tooling

DevSecOps

UI tests

Education

Bachelor's degree in a relevant field

Equivalent practical experience

Tools

Java

Spring Boot

Angular

Kafka

GraphQL

NoSQL

Job description

Citi is seeking a Senior Java Engineer to join its IBCB technology division in Irving. You will design and develop scalable full‑stack applications using Java, Spring Boot, Kafka, GraphQL, and Angular, with a backend emphasis. You will mentor peers and drive engineering rigor across the SDLC.

The role requires deep Java/Spring Boot expertise, Angular frontend skills, and experience with CI/CD, DevSecOps, and testing practices. Hybrid work is available in a globally distributed team.