IT & Software

Principal C# Developer .Net AWS - FinTech

Client Server

London · Greater London · United Kingdom

Overview

In this Principal C# Developer role, you will design and build scalable solutions on the Microsoft stack, following SOLID principles. You’ll work with cross-functional Agile teams to deliver features and drive best practices. You’ll spearhead AI adoption initiatives, exploring chatbots and AI-driven process improvements. Reporting to the CTO, you’ll gain visibility and influence across the business within a growing FinTech scale-up.

Pay / Benefits
  • Salary up to 120k
  • Bonus (≈20%)
  • Pension (employer 5%)
  • 25 days holiday (27 after 2 years, 30 after)
  • Life Assurance (4x base salary)
  • Employee Assistance Programme
Responsibilities
  • Architect and build highly performant, scalable solutions using Microsoft tech stack
  • Promote best practices and ensure on-time delivery in Agile sprint cycles
  • Collaborate with cross-functional teams and stakeholders
  • Drive AI adoption, exploring chatbots and AI-driven improvements
  • Provide technical leadership and contribute to strategic technical decisions
  • Collaborate with CTO and influence architectural direction
Key requirements
  • Strong C# backend development skills
  • Python coding skills (preferred)
  • Good knowledge of AWS
  • Experience with highly scalable systems
  • Strong CS fundamentals (OOP, data structures, design patterns)
  • Interest in Artificial Intelligence and emerging AI tools (e.g., ChatGPT, Claude, Cursor, Copilot)
  • Strong analytical, problem-solving, and planning abilities
  • Business acumen and advanced communication / stakeholder management skills
  • Cross-functional collaboration
  • Stakeholder communication
  • Problem solving
  • C# / .NET backend development
  • Python programming
  • AWS cloud services

Reference: WJ-747_30161415

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