Overview
Our client, a Tier 1 Investment Bank based in Canary Wharf, is seeking an experienced C# Developer to join a strategic application modernisation programme.
This role sits within a technology team responsible for evolving critical business applications, supporting a transition from Legacy desktop solutions to modern web-based and cloud-enabled platforms.
The successful candidate will work across the full software development lifecycle, contributing to the enhancement of existing applications while helping shape the future-state architecture.
Key Information
Role: Senior C# Developer
Location: Canary Wharf, London (Hybrid Working)
Contract Length: 6 months Initial Contract
Rate: £416 per day (Inside IR35)
Start Date: ASAP
The Programme: This role forms part of a wider transformation initiative focused on:
- Modernising Legacy desktop applications
- Migrating technology platforms from on-premise infrastructure to Azure
- Supporting the transition from desktop-based solutions to web technologies
- Improving application performance, maintainability and scalability
- Delivering new functionality aligned to business and regulatory requirements
Key Responsibilities
The successful contractor will work closely with development teams, business stakeholders and architecture functions to deliver high-quality software solutions within a complex enterprise environment.
- Develop and maintain enterprise-grade applications using C#
- Enhance and support existing WPF and WinForms applications
- Contribute to the migration of desktop applications towards web-based architectures
- Build and integrate APIs and Back End services
- Write efficient SQL queries and stored procedures
- Collaborate with business analysts, architects and end users to understand requirements
- Participate in code reviews and promote development best practices
- Troubleshoot production issues and contribute to continuous improvement initiatives
- Support the adoption of Azure technologies as part of the broader cloud transformation strategy
Required Skills & Experience: Essential
- Strong commercial experience developing applications using C#/.NET
- Proven expertise with WPF or Winforms
- Strong SQL or Oracle development skills
- Understanding of software design principles and development best practices
- Experience working within complex enterprise environments
- Experience working with Azure
Desirable
Experience with JavaScript
Exposure to React
Experience contributing to application modernisation programmes
Knowledge of Azure cloud technologies
Experience within Financial Services, Investment Banking or Capital Markets environments
Personal Attributes
Strong analytical and problem-solving skills
Excellent communication and stakeholder management abilities
Ability to work independently in a fast-paced environment
Collaborative mindset and willingness to mentor junior developers
Comfortable balancing support of Legacy systems alongside modernisation initiatives