Full Stack Developer - Assistant Vice President

Citibank (Switzerland) AG; Belfast City District; Hybrid; Confidential; Full time

Benefits offered by this job

Hybrid working

Salary reviewed annually

Private Medical Care

Life Insurance

Pension Plan

Parental Leave

Learning resources

Job summary

Citibank (Switzerland) AG in Belfast is seeking an experienced Java software engineer to join Citi Tech, delivering scalable microservices for global finance. You will design and implement backend systems using Java/J2EE, Spring Boot, and RESTful services; lead and mentor teammates; contribute to CI/CD, testing, and cloud-native development.

The role offers hybrid work and a comprehensive rewards package. Collaborate across teams and influence architectural decisions while growing through

Qualifications

• Experience in developing and implementing complex software solutions.
• Strong knowledge of Java/J2EE, Spring Boot, and RESTful web services (XML, JSON).
• Proven experience working with Microservices Architecture.
• Hands-on experience with Core Java, Multi-threading, Collections framework, and Spring Framework.
• Solid understanding of software engineering best practices, OOP, design patterns, and CI/CD pipelines.
• Experience with source code management tools (Git or Bitbucket).
• Understanding of clean coding principles and code quality measurements using tools like Sonar.
• Demonstrated ability to design and implement unit, integration, and functional tests.
• A strong, solution-driven mindset with the ability to analyze complex problems, devise strategic solutions, and lead their implementation.
• Good written and verbal communication skills.

Responsibilities

• Develop complex software solutions using Java/J2EE, Spring Boot, and RESTful web services.
• Design, develop, and maintain robust microservices adhering to architectural best practices.
• Apply hands-on expertise in Core Java, including multi-threading and the Collections framework.
• Utilize Spring Framework effectively for application development.
• Work extensively in creating and optimizing SQL queries.
• Ensure adherence to software engineering best practices, OOP, and design patterns, and CI/CD pipelines.
• Manage source code using Git or Bitbucket.
• Promote clean coding principles and maintain high quality with Sonar.
• Lead, mentor, and manage a team of application developers.

Skills

Java/J2EE

Spring Boot

RESTful web services

Microservices Architecture

CI/CD pipelines

Git/Bitbucket

Unit testing

SQL queries

Cloud basics

Leadership/mentoring

Tools

Docker

Kubernetes

OpenShift

Sonar

Job description

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

What We do / The Team

The Risk Data Team is a high-impact, globally distributed technology and data engineering unit operating at the intersection of risk management, big data, and cloud-native platform engineering. As a critical pillar within the Institutional Data Platform (IDP) and the broader Citi Enterprise Data Organization (EDO), our team is responsible for modernizing and managing the end-to-end lifecycle of risk data across the enterprise. We build and maintain the high-performance pipelines, aggregation engines, and analytical frameworks that safeguard Citi’s systemic stability and drive informed, data-driven decision-making.

Role Overview/What will you do

Develop and implement complex software solutions using Java/J2EE, Spring Boot, and RESTful web services. Design, develop, and maintain robust microservices adhering to architectural best practices. Apply hands‑on expertise in Core Java, including multi‑threading and the Collections framework. Utilize Spring Framework effectively for application development. Work extensively in creating and optimizing SQL queries. Ensure adherence to software engineering best practices, object‑oriented programming (OOP) principles, and design patterns. Contribute to the continuous integration and continuous delivery (CI/CD) pipelines. Manage source code effectively using tools such as Git or Bitbucket. Promote and apply clean coding principles and maintain high quality using tools like Sonar. Design and implement comprehensive unit, integration, and functional tests to ensure solution quality. Analyze and solve complex technical problems efficiently. Lead, mentor, and manage a team of application developers, fostering a culture of excellence, collaboration, and continuous improvement.

Key Skills and Experience required

• Experience in developing and implementing complex software solutions.
• Strong knowledge of Java/J2EE, Spring Boot, and RESTful web services (XML, JSON).
• Proven experience working with Microservices Architecture.
• Hands‑on experience with Core Java, Multi‑threading, Collections framework, and Spring Framework.
• Solid understanding of software engineering best practices, OOP, design patterns, and CI/CD pipelines.
• Experience with source code management tools (Git or Bitbucket).
• Understanding of clean coding principles and code quality measurements using tools like Sonar.
• Demonstrated ability to design and implement unit, integration, and functional tests.
• A strong, solution‑driven mindset with the ability to analyze complex problems, devise strategic solutions, and lead their implementation.
• Good written and verbal communication skills.

Any Beneficial / Nice to have experience

• Experience with Big Data technology (HDFS, Spark, Impala)
• Understanding of Cloud‑native development principles.
• Experience with Container Orchestration tools (Docker, Kubernetes, OpenShift, etc.).
• Proficiency in using Jira for tracking tasks, managing backlogs, and participating in sprint cycles.

What we’ll provide you

By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 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

Visit our About Us | Culture, Values & Benefits page to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

Time Type: Full time

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.