Senior Full-Stack Engineer: Real-Time Trading Lead

Harvey Nash Group; Newcastle upon Tyne; On-site; GBP 75,000 - 110,000; Full time

Job summary

Harvey Nash Group is seeking a Senior Full Stack Developer to lead technically complex features across real-time trading platforms. You will own design decisions, mentor engineers and collaborate with Product, QA and Support to deliver robust software across C#/.NET, React and TypeScript stacks.

You will work on secure, resilient systems with focus on performance, observability and long-term maintainability while guiding teams through ambiguous requirements to reliable technical outcomes.

Qualifications

• Deep practical experience designing, building and supporting production software with C# and .NET.
• Full‑stack capability across React, TypeScript, SQL Server and HTTP APIs.
• Experience delivering complex changes through Git, Azure DevOps and CI/CD pipelines.
• Ability to design services, APIs and integrations for distributed, event‑driven and real‑time systems.

Responsibilities

• Design and implement maintainable changes across C#/.NET services, React and TypeScript UIs, HTTP APIs, integrations and SQL Server databases.
• Write and maintain unit, integration, API and front-end tests.
• Use Git, Azure DevOps, build pipelines and CI/CD processes safely and consistently.
• Diagnose application, data and integration issues using logs and monitoring.
• Collaborate with Product, QA and Support to clarify outcomes and acceptance criteria.
• Lead complex changes from discovery through production operation and mentor engineers.

Skills

C#/.NET

TypeScript

React

SQL Server

Entity Framework

HTTP APIs

RabbitMQ

SignalR

Azure DevOps

CI/CD

Tools

Git

Azure DevOps

Build pipelines

CI/CD tooling

Job description

Harvey Nash Group is seeking a Senior Full Stack Developer to lead technically complex features across real-time trading platforms. You will own design decisions, mentor engineers and collaborate with Product, QA and Support to deliver robust software across C#/.NET, React and TypeScript stacks.

You will work on secure, resilient systems with focus on performance, observability and long-term maintainability while guiding teams through ambiguous requirements to reliable technical outcomes.