Senior Software Engineer

Leo Technology; City Of London; Remote; GBP 72,000 - 85,000; Full time

Job summary

A technology recruitment agency is seeking a Senior Software Engineer to lead the modernization of legacy applications into GCP-based microservices. The ideal candidate will have strong skills in Golang and experience with GCP and Kubernetes. This remote-first role requires occasional visits to London or Manchester, emphasizing a collaborative engineering environment. Applicants from diverse backgrounds are encouraged to apply.

Qualifications

• Proven experience modernising legacy PHP / MySQL applications into GCP-based microservices.
• Hands-on experience with GCP, SpannerDB, and Kubernetes.
• Experience delivering clean, scalable architecture.

Responsibilities

• Design and scale backend systems in Golang.
• Build high-performance, distributed services.
• Shape the company's architecture and mentor others.

Skills

Golang

GCP

Kubernetes

SpannerDB

PHP

Microservices

Job description

The Job

• Job Title: Senior Software Engineer
• Industry: Enterprise SaaS (Retail)
• Tech Stack: Golang, Kubernetes, Cloud Run, Pub/Sub, SpannerDB, GCP
• Working Set-Up: Remote first with occasional visits to London or Manchester offices (Please note - candidates for this role must be UK based)
• Salary - £85,000 p/a + discretionary 10% bonus
• Interview process: 3 stages (virtual)

The Role

Leo Technology have partnered with a long standing client to help them make a critical hire for their development team!

This multinational company are the market leaders in retail loyalty solutions. With an enterprise client base including Sainsburys, Tesco, Walmart, Woolworths, and Asda, they're looking for a Senior Software Engineer to join their team and help them through their journey of evolving from a traditional PHP / MySQL monolith to a cloud-native architecture on GCP.

We're looking for talented engineers who've led journeys like this before.

In this role, you'll be responsible for designing and scaling backend systems in Golang, whilst leveraging tools and technologies such as Kubernetes, Cloud Run, Pub/Sub, and SpannerDB. You'll be instrumental in building high-performance, distributed services and will play a key role in shaping the companies architecture, mentoring others, and driving their migration to modern systems.

The Person

• Proven experience modernising legacy PHP / MySQL applications into GCP-based microservices
• Skills in Golang
• Hands on experience with GCP, SpannerDB, and Kubernetes
• A background in retail, loyalty, or customer engagement platforms is highly desirable
• Experience delivering clean, scalable architecture
• A passion for collaborative engineering.

Interview Process

• 1st stage: Call with the hiring manager
• 2nd stage: Panel interview
• 3rd stage: HR culture chat

Important Notice

We are expecting a high volume of applications for this role and while we do our best to respond to as many applicants as we can, it isn't always possible to get back to everyone. With this in mind, if you've not heard from a member of our team within 2 weeks of submitting your CV, please assume that your application has not been successful on this occasion.

Both Leo Technology and the companies we partner with are incredibly passionate about building environments where people from all backgrounds and walks of life are embraced. Our mission is to welcome everyone and create inclusive teams. We celebrate difference and encourage people from all backgrounds to apply.

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