Overview

Randstad OWOW Lean White-Belt Certified || Sr. Technical Recruiter, sajeel.sharief@randstaddigital.com PH:(0121-368-8780)Mid-Level Backend Developer (Java and Node.js/TypeScript)London (Hybrid – 2 days in office, Canary Wharf)6-Month ContractThe Opportunity

We are working with a leading global financial services organisation who are seeking a

Mid-Level Backend Developer

to join their technology team on a

6-month contract . This is a hands-on role where you’ll play a key part in refactoring existing services and building robust, scalable backend solutions.You’ll be joining a collaborative environment, working closely with cross-functional teams to deliver high-quality software, while also tackling technical debt and aligning infrastructure with the organisation’s long-term strategy.Responsibilities

Refactor existing Node.js codebase into Java to align with infrastructure strategy.Maintain and enhance existing scalable backend applications (Java, Node.js, TypeScript).Work with containerisation tools including

Docker

and

Kubernetes .Implement and maintain

CI/CD pipelines

using GitHub Actions.Design and maintain robust GraphQL APIs.Write and maintain comprehensive

unit and integration tests .Monitor system performance and manage deployments.Collaborate with product, infrastructure, and engineering teams to deliver new features.Skills and Experience

5+ years of experience developing backend systems.Strong hands-on experience with

Java

and

Node.js/TypeScript .Solid knowledge of

Azure

cloud services.Proficiency in

GraphQL API

design.Practical experience with

Docker and Kubernetes .Strong knowledge of

SQLSeniority level

Mid-Senior levelEmployment type

ContractJob function

Business DevelopmentIndustries

IT Services and IT Consulting, Investment Banking, and Financial Services

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