Full Stack Lead Architect, Vice President

Citibank (Switzerland) AG; Belfast City District; Hybrid; GBP 150,000 - 190,000; Full time

Job summary

Citibank (Switzerland) AG in Belfast is seeking a hands-on Full Stack Lead Architect at Vice President level to steer enterprise digital platforms across cloud, data, and AI ecosystems. You will shape the technology strategy, mentor multiple teams, and deliver secure, scalable solutions using Java, microservices, and AI-enabled approaches.

The role emphasizes architecture leadership, modernization roadmaps, and collaboration with business and technology leaders to drive data-driven outcomes in a

Qualifications

• Software engineering experience with enterprise application architecture.
• Proven experience leading large-scale technology initiatives and distributed teams.
• Experience with Java 17+ and Spring Boot in microservice architectures.

Responsibilities

• Lead architecture, design, and delivery of enterprise applications.
• Define technology strategy for modernization and AI adoption.
• Mentor engineering teams and govern technical reviews.
• Collaborate with global Architecture, Product, Data, Infrastructure teams.

Skills

Java 17+

Spring Boot

Microservices

Angular

React

REST APIs

Event-Driven Architecture

Kafka

Solace

Redis

Hazelcast

Oracle

MongoDB

Snowflake

Databricks

Spark

Azure Cloud

AWS Cloud

Docker

Kubernetes

OpenShift

Git

Jenkins

Azure DevOps CI/CD

GitHub Copilot

AI-enabled development

LLMs

RAG architectures

AI Agents

Vector Databases

Prompt Engineering

Data Engineering concepts

Tools

Git

Jenkins

Azure DevOps CI/CD

Kafka

Solace

Redis

Hazelcast

Oracle

MongoDB

Snowflake

Databricks

Spark

Azure

AWS

Docker

Kubernetes

OpenShift

GitHub Copilot

Job description

## Full Stack Lead Architect, Vice PresidentApply: Hybrid: Belfast United Kingdom: Full time: Posted Today: End Date: October 5, 2026 (6 days left to apply): 26982627We are seeking a hands-on Full Stack Lead Architect to lead the design and delivery of enterprise-scale digital platforms across cloud, data, and AI ecosystems. The role combines deep technical expertise in Java, Microservices, Angular/React, Snowflake, Databricks, Cloud Technologies, and AI-enabled solutions with strong leadership, architecture, and stakeholder management capabilities.The successful candidate will drive modernization initiatives, establish engineering standards, mentor development teams, and partner with business and technology leaders to deliver scalable, secure, and data-driven solutions. ## Key Responsibilities* Lead architecture, design, and delivery of enterprise applications using Java, Spring Boot, Microservices, Angular/React, and Cloud-native technologies.* Define technology strategy and roadmap for application modernization, AI adoption, and platform engineering.* Design and implement scalable data solutions leveraging Snowflake, Databricks, and modern data lakehouse architectures.* Drive integration of AI/GenAI capabilities, including LLMs, RAG frameworks, AI Agents, and intelligent automation solutions.* Architect event-driven systems using Kafka, Solace, and distributed caching technologies.* Establish engineering standards, SDLC best practices, observability, resiliency, and security controls.* Collaborate with Architecture, Product, Data Engineering, Infrastructure, Security, and Business teams globally.* Lead technical reviews, solution governance, and critical production issue management.* Mentor engineers and provide technical leadership across multiple teams. ## Required Qualifications* Software engineering experience with strong expertise in enterprise application architecture.* Proven experience leading large-scale technology initiatives and distributed engineering teams.### Technical Expertise* Java 17+, Spring Boot, Microservices* Angular and/or React* REST APIs and Event-Driven Architecture* Kafka, Solace, Redis, Hazelcast* Oracle, MongoDB, Snowflake* Databricks, Spark, Data Engineering concepts* Azure and/or AWS Cloud Platforms* Docker, Kubernetes, OpenShift* Git, Jenkins, Azure DevOps CI/CD### AI & Modern Engineering* AI-assisted software development tools (GitHub Copilot, AI coding platforms)* Experience building AI-enabled applications using: LLMsRAG ArchitecturesAI AgentsVector DatabasesPrompt Engineering* Data-driven application development using Snowflake and Databricks. ## Preferred Qualifications* Banking / Financial Services experience.* Experience with Data Lake, Lakehouse, and Analytics platforms.* Knowledge of OAuth2, JWT, Zero Trust, and API Security standards.* Experience with observability platforms such as Grafana, Dynatrace, Splunk, Prometheus, or OpenTelemetry. ## Leadership Expectations* Provide technical leadership across multiple teams and strategic initiatives.* Drive architecture decisions and engineering excellence.* Influence senior stakeholders and technology leadership.* Foster innovation through AI, cloud, and data modernization initiatives.* Build high-performing global engineering teams through coaching and mentorship. ## Success ProfileThe ideal candidate combines:* Strong Full Stack Architecture experience.* Cloud and Platform Engineering expertise.* Snowflake and Databricks leadership.* AI/GenAI solution delivery experience.* Strategic thinking with hands-on execution capability.* Strong ownership, communication, and stakeholder management skills. ------------------------------------------------------## **Job Family Group:**Technology------------------------------------------------------## **Job Family:**Applications Development------------------------------------------------------## **Time Type:**Full time------------------------------------------------------## **Most Relevant Skills**Please see the requirements listed above.------------------------------------------------------## **Other Relevant Skills**For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------*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.*