Senior Full-Stack Tech Lead & Architect

Citi; Greater London; On-site; GBP 80,000 - 110,000; Full time

Job summary

Citi is seeking a Senior Full Stack Engineer in London to drive transformation across finance technology platforms. You will design, build, test, and deploy scalable applications using React, TypeScript, Java and microservices, with strong emphasis on cloud, CI/CD and security practices.

You will collaborate with architects and engineers, contribute to architecture decisions, and mentor teams while delivering high-quality software across the tech stack.

Qualifications

• Strong experience in Application Development or systems analysis role.
• Experience building robust, scalable, and maintainable financial services applications.
• Proven engineering experience delivering full stack solutions across multiple layers of the stack.

Responsibilities

• Write code on one or more development platforms to deliver features, collaborating with architects and senior engineers.
• Develop secure, maintainable code and participate in design, testing and deployment activities.
• Engage in technical discussions, contribute to solution designs, and provide inputs for project schedules and prioritization.

Skills

Full stack development

React

Typescript

Java/JVM

Microservices

API development

UI framework design

Cloud platforms (AWS/GCP)

Docker & Kubernetes

OpenShift

SQL & NoSQL databases

Education

Bachelor’s degree in Computer Science or related

Tools

React

TypeScript

Node.js

Spring Boot

AWS/GCP

OpenShift

Docker

Kubernetes

SQL Databases

MongoDB

Oracle

Job description

Citi is seeking a Senior Full Stack Engineer in London to drive transformation across finance technology platforms. You will design, build, test, and deploy scalable applications using React, TypeScript, Java and microservices, with strong emphasis on cloud, CI/CD and security practices.

You will collaborate with architects and engineers, contribute to architecture decisions, and mentor teams while delivering high-quality software across the tech stack.