Senior Software Engineer Job at Admiral Group Plc

Senior Software Engineer

Admiral Group Plc

Location:
United Kingdom

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are looking for an enthusiastic and inquisitive Senior Software Engineer with a passion for building modern, modular, and high-performing frontend applications. This role focuses on the design, delivery, and maintenance of micro frontend (MFE) architectures, enabling scalable and independently deployable user experiences across our platforms. You will work extensively with React, NestJS, and related technologies, contributing to both frontend and backend-for-frontend (BFF) solutions. With a DevSecOps mindset, you will build secure, performant, and resilient applications using modern software engineering practices, automation, and continuous improvement. As a Senior team member, you will also mentor engineers, contribute to the engineering strategy, and help define and implement best practices.

Job Responsibility:

Act as a technical lead within your squad, setting high standards for engineering practices and infrastructure resilience
Provide mentoring and guidance to junior and mid-level engineers
Help shape and implement the long-term engineering technical strategy for reliability and scalability
Design and implement scalable and modular frontend solutions using micro frontend architecture and module federation
Develop applications using React, TypeScript, and NestJS, supporting robust client-server integration
Contribute to and lead the detailed design, engineering quality, and technical oversight of solutions delivered within the Value Stream
Ensure all technical solutions follow architecture governance and align with Admiral’s engineering strategy
Drive improvements to CI/CD pipelines, automation, testing practices, and secure delivery
Contribute to resolving technical constraints, blockers, and integration challenges
Identify and address technical debt, ensuring sustainability and maintainability
Oversee vulnerability management by promoting secure development practices and robust solution design
Identify and implement continuous improvements to delivery and engineering processes
Facilitate clear communication across squads and roles to ensure alignment and knowledge transfer
Promote engineering values such as transparency, quality, openness, and productivity
Collaborate with engineers across squads, architecture, security, and platform teams together with product owners to support shared goals
Contribute to communities of practice, Chapter and Guild forums, and internal initiatives
Participate in Agile ceremonies, ensuring engineering considerations are included in backlog prioritisation and sprint planning

Requirements:

Proven experience in a Senior Software Engineer role, ideally within web and mobile application development
Experience designing and operating micro frontend (MFE) architectures, including module federation and independently deployed pipelines
Expertise in React and TypeScript development, including component architecture, state management, and performance optimisation
Extensive experience with NestJS for backend-for-frontend (BFF) patterns and API gateway design
Skilled in building and maintaining CI/CD pipelines using tools such as Azure DevOps or GitHub Actions, and familiar with optimised deployment strategies
In-depth knowledge of testing frameworks and strategies across unit, integration, E2E, and non-functional domains
Experience with cloud-native environments - preferably GCP and Azure
Skilled in application performance optimisation techniques such as caching, code splitting, lazy loading, and real-user monitoring
A good understanding of web and mobile security best practices, including OWASP guidelines, secure authentication and authorisation

Nice to have:

Familiarity with authentication/authorisation protocols such as OAuth2, OpenID Connect, and SAML
Experience with containerisation and infrastructure tools such as Docker, Kubernetes, Helm, and Terraform
Familiarity with mobile frameworks such as Ionic Capacitor

What we offer:

Up to £3,600 of free shares each year after one year of service
33 days holiday (including bank holidays) increasing up to 38 days
Option to buy or sell up to an additional five days of annual leave

Additional Information:

Job Posted:
April 24, 2026

Employment Type:

Fulltime

Work Type:

Remote work

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