SearchLondonJobs.co.uk

🏛️ London's Premier Job Portal

← Back to London Jobs

Lead .NET Developer

Company: Citigroup Inc.

Location: mississauga, London

Posted: May 24, 2026

Apply for This Position

Submit Application

Position Details

The Applications Development Technology Senior Lead Analyst is a senior level position responsible for architecting, designing and building enterprise CRM application systems using .NET software stack, SQL, Kafka and Elasticsearch. This role is expecting hands‑on software development, with primary focus on .NET.

Responsibilities

  • Architecture & design: Lead solution design (application layering, APIs, integration patterns, data structures) and produce clear technical architecture and designs aligned to enterprise standards.
  • Hands‑on full‑stack delivery: Design, build, test, and deploy features across .NET services and data layers; remain actively involved in coding for critical components.
  • Event‑driven integration: Build and operate Kafka‑based event streaming patterns (producers/consumers, topics, schema/versioning, retry/idempotency) to support scalable integrations.
  • Search and indexing: Implem...