Gemba Advantage

Secure, scalable software for public/private sectors

Senior/Principal Software Engineer

Software EngineeringUpdated on Nov 13

Full-time£70k - £100k /yr

About the Job

Requirements

Applicants must hold active or recently active SC or DV clearance.
Strong experience delivering production systems in complex environments.
Depth in at least one modern programming language, such as Java, TypeScript, Python, or Go.
Cloud and container experience, with a security-first mindset.
Confidence influencing technical decisions and improving teams.

Responsibilities

Design and deliver secure, scalable software in small agile teams.
Stay hands-on while shaping architecture and technical direction.
Set engineering standards and mentor others.
Work directly with customers to solve complex problems.
Champion modern engineering practices, including cloud, continuous integration and continuous delivery, and DevSecOps.

Desired Qualifications

Experience with or knowledge of React, Angular, AWS, Kubernetes, Docker, Elasticsearch, MongoDB, relational databases, GitOps, and infrastructure as code.

Please note: This role requires applicants to hold active, or recently active, SC or DV clearance.

This role also requires applicants to be willing to work on-site up to 4 days per week.

At Gemba Advantage, we build secure, user-centred digital products for critical public sector organisations across the UK. Our teams work on complex, high-impact systems, the kind that have to be secure, scalable, and actually usable by the people who rely on them.

We’re looking for Senior and Principal Engineers who want to shape meaningful systems, influence technical direction, and work alongside capable people who care about doing the job properly. You’ll help design and build modern cloud-native services, guide engineering standards, and solve genuinely hard problems with our customers.

Design and deliver secure, scalable software in small agile teams
Stay hands-on while shaping architecture and technical direction
Set engineering standards and mentor others
Work directly with customers to solve complex problems
Champion modern engineering practices (cloud, CI/CD, DevSecOps)

Active, or recently active, SC or DV clearance (essential)
Strong experience delivering production systems in complex environments
Depth in at least one modern language (Java, TypeScript, Python, Go etc.)
Cloud/container experience and a security-first mindset
Confidence influencing technical decisions and improving teams

Tech we commonly use

Java • TypeScript • Python • Go
React / Angular
AWS • Kubernetes • Docker
Elasticsearch • MongoDB • relational DBs
CI/CD • GitOps • infrastructure as code

About the Company

Gemba Advantage

Secure, scalable software for public/private sectors

Gemba Advantage builds secure, scalable software for both public and private sectors. Their products focus on delivering real impact through product management, user research, and design, with delivery kick-started quickly and supported by ongoing service partnerships. Revenue comes from partnerships and service delivery, leveraging deep expertise in demanding environments. Their goal is to create lasting value for clients and stakeholders by optimizing delivery and focusing on mission-driven outcomes.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: London, United Kingdom
Founded: 2018

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