Full-Stack Developer (.NET / Golang)

Avanti Recruitment; United Kingdom; Remote; GBP 40,000 - 50,000; Full time

Job summary

A leading technology firm in the UK is seeking a Full-Stack Developer experienced in Golang and .NET. This remote-first role involves building real-time APIs and large-scale distributed applications. The ideal candidate should possess strong problem-solving skills and enjoy working in a collaborative environment. Salary ranges from £40,000 to £50,000 for this permanent position, focusing on high-performance systems in the sports sector.

Qualifications

• Strong experience with Golang essential.
• Solid background in .NET/C# required.
• Experience with WebSockets and real-time data processing preferred.
• API development skills are crucial.

Responsibilities

• Build real-time APIs and WebSocket systems.
• Develop large-scale distributed applications.
• Contribute to frontend projects using React and Next.js.
• Work with AWS and Kubernetes for cloud-native infrastructure.

Skills

Golang

.NET

WebSockets

API development

Problem-solving

Remote working communication

Tools

Node.js

React

Next.js

AWS

Kubernetes

PostgreSQL

Redis

Job description

Overview

Full-Stack Developer (.NET / Golang) – Remote-first (UK-based only) • Salary: £40,000 - £50,000 • Contract: Permanent

About the Business

Our client is a leading technology business delivering real-time platforms and analytics to major sports organisations and broadcasters worldwide. Their cutting-edge systems process huge volumes of live sports data, powering everything from performance insights to simulations and streaming services.

This is your chance to join a fast-moving, remote-first engineering team working on complex, high-performance systems at scale.

The Role

We\'re seeking a talented Full-Stack Developer with strong experience in Golang and .NET to play a central role in our development team. You\'ll be building real-time APIs, WebSocket systems, and large-scale distributed applications, as well as contributing to frontend projects using React and Next.js. The role also involves working with AWS and Kubernetes to deliver cloud-native infrastructure that can handle thousands of concurrent connections.

This is a hands-on position where you\'ll be solving challenging problems, working on exciting live-data projects, and developing your expertise in Golang within a collaborative environment.

Key Skills

Essential

• Strong experience with Golang
• Solid background in .NET / C#
• WebSockets and real-time data processing
• API development and strong problem-solving ability
• Remote working experience with excellent communication skills

Desirable

• Node.js
• React / Next.js
• AWS and Kubernetes
• PostgreSQL, Redis (caching)

Candidate Profile

• Mid-level
• Self-motivated, proactive, and able to work independently
• Comfortable in a remote-first culture

Important to Note

Some of the client\'s projects involve supporting organisations in the gambling industry, so applicants must be comfortable working in this space