Senior Software Engineer

RP International; Camden Town; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading UK storage operator is seeking a Senior Software Engineer to lead backend transformations for their platform. You will own the migration to a modern architecture, ensuring it supports millions of interactions. Ideal candidates have deep expertise in the Microsoft ecosystem and are skilled in stakeholder communication. This role offers a competitive salary of up to £80,000 and can be fully remote or hybrid.

Benefits

Private health

Pension matching

Staff discounts

Equity upside

Qualifications

• Deep expertise in the Microsoft ecosystem.
• Proven experience in monolith to microservices migrations.
• Fluent English with strong communication skills.

Responsibilities

• Own the backend transformation of a critical national platform.
• Lead migration with zero downtime.
• Integrate industry solutions and deliver reliable services.

Skills

C#

.NET Core

MSSQL

Entity Framework

WebAPI

MVC

REST

Stakeholder communication

TeamCity

Octopus

Azure/AWS

Education

2.1+ Bachelor’s in CS/STEM or equivalent experience

Job description

Senior Software Engineer (Backend) – London, UK | Up to £80,000 | Fully Remote or Hybrid

You’ll report directly to the Head of Technology & Product and own the entire backend transformation. This is your chance to rebuild a critical national platform from the ground up, replacing legacy systems with a modern, scalable architecture that powers millions of customer interactions every year. You’ll lead a seamless migration with zero downtime, integrate cutting‑edge industry solutions, and deliver fast, reliable services that make storage simple, secure, and effortless for everyone. Working in tight 2‑week sprints with Product, Operations, and Security, you’ll ship features that don’t just keep the lights on; they drive real growth, delight customers, and shape the future of how the UK moves and protects what matters most.

Are you a Senior Software Engineer who ships bulletproof, scalable systems that power millions of customer interactions? Do you live to dismantle legacy monoliths and rebuild with clean, modern, cloud‑native architecture? Ready to own the backend transformation of the UK's fastest‑growing storage platform? The Company A leading UK storage operator with 28+ self‑storage sites and a tech‑first, on‑demand collection service. Backed by aggressive digital investment, we’re building the most secure, flexible, customer‑obsessed platform in the industry. Think scale, speed, and zero legacy drag.

Qualifications

• Deep expertise in Microsoft ecosystem: C#, .NET Core, MSSQL, Entity Framework
• Expert in WebAPI, MVC, REST; proven monolith microservices migrations
• Strong stakeholder comms – fluent English, tech & non‑tech audiences
• Bonus: TeamCity, Octopus, Azure/AWS, IoC/DI
• 2.1+ Bachelor’s in CS/STEM or equivalent battle‑tested experience

Compensation & Benefits

• Up to £80,000 base
• Private health, pension matching, staff discounts
• Fully remote or hybrid (London)
• Equity upside as we scale