Cognitive Group | Part of the Focus Cloud Group

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Cognitive Group | Part of the Focus Cloud Group
React Full Stack Developer

React Full Stack Developer

Hybrid

London, United kingdom

Freelance

12-09-2025

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Skills

Java JavaScript TypeScript SQL Test Quality Management jquery SQL Server Azure react Front-end Development Back-end Development .NET Spring Microservices

Job Specifications

We are seeking an experienced Full Stack Developer to join a leading financial services organisation on a 6-month contract. This role requires strong skills across front-end and back-end development, with a focus on React, .NET, and Spring.

Key Responsibilities:
Develop and integrate services and APIs across front-end and back-end systems
Collaborate closely with team members to deliver application requirements
Configure, build, and test application components
Participate in quality management reviews
Provide technical support and resolve performance issues
Required Skills & Experience:
Proficiency in C#/.NET or Java (Spring)
Experience with RESTful services and Microservices
Knowledge of Azure Compute, Storage, and PaaS services
Strong experience with SQL Server and Azure SQL
Skilled in JavaScript, TypeScript, and jQuery
Solid hands-on experience with React for front-end development

You must be able to commute 2-3 days per week into Central London, and this is an Inside IR35 contract role working via Umbrella Company

About the Company

Welcome to Cognitive! We're proud to be the 'most recommended' partner for companies seeking top-tier talent with expertise in Microsoft technologies. We have over 15 years' experience in this market. Our tech focus spans Dynamics 365, Microsoft Azure, Power Platform and Microsoft 365, with divisions covering the UK, Europe and North America. Our experienced recruiters use their deep industry knowledge (many of whom are Microsoft certified themselves) and vast network to connect skilled candidates with organisations that... Know more