Java + CloudNative

Randstad Technologies Recruitment; City Of London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Randstad Technologies Recruitment in London is seeking a Senior Full Stack Engineer for an investment banking role. You will design and scale cloud-native applications across risk management, driving end-to-end development with Java, Kotlin, React, and cloud tech.

Collaborate with cross-functional teams, mentor peers, and ensure code quality while delivering secure, scalable software in a hybrid London-based environment.

Qualifications

• Strong experience in building backend in Java/Kotlin and frontend in React.
• Familiarity with modern state management and RESTful/gRPC APIs.
• Experience with cloud-native architectures and CI/CD pipelines.

Responsibilities

• Architecture & Development: Build performant frontend and backend systems using Java, Kotlin, ReactJS, and modern state management tools (Redux/Context API).
• API & Event Integration: Design RESTful APIs, gRPC services, and event-driven architectures leveraging Kafka and Flink for real-time data processing.
• Cloud & DevOps: Deploy and maintain cloud-native applications on AWS and Kubernetes while supporting automated CI/CD pipelines.
• Technical Leadership: Mentor junior engineers, enforce clean code standards, and drive performance optimizations.
• Domain Alignment: Apply investment banking and risk management knowledge to translate business requirements into technical solutions.

Skills

Java

Kotlin

React

AWS Lambda

Kubernetes

Job description

Role: Senior Full Stack Engineer - Investment Banking

Location: London (3 Days Hybrid / 2 Days Remote)

Type: Permanent / Full-Time

Experience: 5-7 Years

Overview

An opportunity to join a global investment bank, designing and scaling cloud-native applications within the risk management space. You will drive end-to-end development using modern Java, Kotlin, React, and cloud technologies while working alongside cross-functional engineering teams.

Mandatory Skills

• Java
• Kotlin
• React
• AWS Lambda
• Kubernetes

Key Responsibilities

• Architecture & Development: Build performant frontend and backend systems using Java, Kotlin, ReactJS, and modern state management tools (Redux/Context API).
• API & Event Integration: Design RESTful APIs, gRPC services, and event-driven architectures leveraging Kafka and Flink for real-time data processing.
• Cloud & DevOps: Deploy and maintain cloud-native applications on AWS and Kubernetes while supporting automated CI/CD pipelines.
• Technical Leadership: Mentor junior engineers, enforce clean code standards, and drive performance optimizations.
• Domain Alignment: Apply investment banking and risk management knowledge to translate business requirements into technical solutions.

Technical Requirements

• Backend: Core Java, Kotlin, Multithreading, Algorithms, Data Structures, RESTful APIs, gRPC
• Frontend: ReactJS, JavaScript, TypeScript, Redux/Context API, HTML5, CSS3
• Cloud & Streaming: AWS (Lambda), Kubernetes, Kafka, Flink
• Process & Security: CI/CD, Agile/Scrum methodologies, security compliance standards

No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010.