Senior Full-Stack Engineer: Java/Spring Microservices

Citigroup; Jersey City (NJ); On-site; USD 142,000 - 213,000; Full time

Benefits offered by this job

Medical, Dental & Vision coverage

401(k) plan

Life, Accident & Disability Insurance

Wellness Programs

Paid Time Off

Job summary

Citi is seeking a Java Full-Stack Engineer in Jersey City, NJ to design, build, and support modern web applications across UI and backend services. The role focuses on API-first, microservices architecture, with CI/CD-driven delivery and Cloud/observability considerations.

Responsibilities include building scalable microservices with Java/Spring Boot, developing UIs with Angular, and implementing micro front-end patterns, REST APIs, and data-layer optimizations using SQL Server, Elasticsearch,

Qualifications

• 6-10 years of experience in full-stack web application development.
• Strong backend development experience with Java and Spring Boot (REST APIs, security concepts, performance, and scalability).
• Strong frontend development experience with Angular including TypeScript, HTML5, and CSS.
• Experience using UI component libraries such as Kendo UI.
• Working knowledge of micro front-end architecture and patterns.
• Solid understanding of API design and microservices (service boundaries, resilience, observability basics).
• Hands-on experience with SQL Server and relational data modeling.
• Experience with Elasticsearch and event streaming with Kafka.
• Proficiency with GitHub/Bitbucket workflows and practical experience with CI/CD pipelines.
• Strong communication skills, ownership mindset, and ability to work collaboratively in an agile team.

Responsibilities

• Develop and maintain web applications across the stack: UI, APIs, and backend services.
• Build scalable, secure microservices using Java and Spring Boot.
• Develop responsive user interfaces using Angular, leveraging Kendo UI components where appropriate.
• Implement and support micro front-end patterns (composition, shared libraries, module federation or equivalent approaches).
• Design, build, document, and consume RESTful APIs; ensure service contracts and versioning strategies are followed.
• Work with SQL Server and optimize queries, indexes, and data access patterns.
• Implement search and indexing solutions with Elasticsearch.
• Build event-driven integrations using Kafka (producers/consumers, topics, schema/versioning awareness).
• Use GitHub / Bitbucket and contribute to automated CI/CD pipelines (build, test, deploy).
• Write unit and integration tests; participate in code reviews and engineering best-practice adoption.

Skills

Full-stack development

Java/Spring Boot

Angular/TypeScript

REST APIs

Microservices

CI/CD

SQL Server

Elasticsearch

Kafka

GitHub/Bitbucket

Testing (unit/integration)

Observability

Tools

Java

Spring Boot

Angular

Kendo UI

Docker

Kubernetes/OpenShift

Elasticsearch

Kafka

SQL Server

Job description

Citi is seeking a Java Full-Stack Engineer in Jersey City, NJ to design, build, and support modern web applications across UI and backend services. The role focuses on API-first, microservices architecture, with CI/CD-driven delivery and Cloud/observability considerations.

Responsibilities include building scalable microservices with Java/Spring Boot, developing UIs with Angular, and implementing micro front-end patterns, REST APIs, and data-layer optimizations using SQL Server, Elasticsearch,