Full Stack Developer Job at Citi (Belfast)

Full Stack Developer

Citi

Location:
United Kingdom , Belfast

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

We are seeking a talented and experienced Full Stack Developer to join our dynamic team, focused on building robust, high-performance applications and automation that drive our engineering and DevOps transformation. This role involves designing, developing, and deploying innovative solutions that enhance our CI/CD capabilities and improve the developer experience across the firm.

Job Responsibility:

Design, develop, and maintain high-quality, scalable, and secure full-stack applications using Java, Spring Boot, and related technologies
Create and manage CI/CD pipelines using modern tool as Tekton on the OpenShift platform and Harness to enable rapid and reliable software delivery
Develop innovative tooling and automation for our DevOps ecosystem, leveraging JEE experience to build successful solutions that improve developer productivity
Collaborate closely with product owners, architects, and other engineers in an agile environment to translate business requirements into technical solutions
Architect and implement applications using YML, DSL, and other markup languages, contributing to both application architecture design and hands-on implementation
Design and build solutions based on Microservices architectures and Event-Driven Architectures, utilizing asynchronous messaging and event processing
Contribute to the entire software development lifecycle, from initial design and architecture (UML, Design Patterns, Blueprints) to development, testing, and deployment
Work with a variety of data stores, including NoSQL and SQL databases, to support application requirements
Write and maintain scripts in languages such as Bash or Python to automate tasks and streamline operational processes

Requirements:

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field
Experience in software development
Extensive, hands-on experience in Java back-end development, with deep proficiency in the Spring Boot framework
Proven experience building and managing CI/CD pipelines using Jenkins or, preferably, Tekton on OpenShift
Strong understanding of DevOps concepts and best practices, with a track record of delivering products in a collaborative, agile team environment
Experience with open-source Agile Software Development methodologies
Knowledge of JEE with a demonstrated ability to develop successful tooling and automation for DevOps
Familiarity with designing and implementing Microservices and Event-Driven Architectures
Solid understanding of architectural principles, including Design Patterns, Architectural Blueprints, and UML
Experience using both NoSQL and SQL databases
Proficiency in scripting languages such as Bash or Python
Excellent communication and interpersonal skills, with a strong ability to work effectively in a team-oriented environment

Nice to have:

Full stack engineer with backend Java and front-end experience with Angular or React is preferred
Real-life experience with Continuous Delivery principles and related tools
Familiarity with containerization technologies (e.g., Docker, Kubernetes)
Experience with AI models, AI prompting, or machine learning concepts

What we offer:

27 days annual leave (plus bank holidays)
A discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources

Additional Information:

Job Posted:
October 17, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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