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Staff Full Stack Engineer

Allica Bank
Hybrid (Milton Keynes, Buckinghamshire, UK) Full Time Negotiable 13 days ago

About the Job

Established SMEs are the backbone of local communities - representing over a third of our economy - yet have been largely neglected both by traditional high street banks and modern fintech providers.

Technology sits at the centre of Allica. We design and build the platforms that power the bank, working closely with every part of the business to deliver real impact for customers. Our teams move quickly, focus on outcomes, and take ownership from concept through to delivery. We solve complex problems, modernise pr...

What makes us different is the level of influence and autonomy engineers have. We work without the weight of legacy systems, which means we can focus on building for the future. Everyone contributes ideas and helps shape how we operate, and roles evolve as the organisation grows. This is a place for people who want ...

Required Skills & Abilities

Set and evolve cross-squad technical patterns and guardrails for:
Backend services (Kotlin/Java Spring Boot microservices, REST/OpenAPI, messaging, integrations).
Frontend architectures (React/TypeScript, shared design system, Nx, micro frontends where appropriate).
Authentication/authorisation, API gateways and API governance (versioning, contracts, deprecation).
Own platform-level technical initiatives that reduce complexity and duplication, including shared libraries, design system tokens, infrastructure templates, observability frameworks, and code/scaffolding templates.
Define and maintain organisation-wide standards for performance, reliability, security, accessibility, and operational excellence, in partnership with Architecture, InfoSec, Risk, and Compliance.
Establish and improve SLOs, error budget policies, and incident management practices across key services; lead post-incident reviews and drive follow-through on structural fixes.
Lead cross-squad system design for complex initiatives, ensuring coherent architectures, well-managed dependencies, clear domain boundaries, and effective interactions between services and frontends.
Shape and continuously improve cloud-native deployment patterns on Azure (Container Apps, Static Web Apps, networking, configuration, and scaling), working closely with Platform Engineering teams.
Drive improvements to developer experience (CI/CD, local development workflows, test strategy, release processes) across multiple squads, leveraging GitHub, Azure DevOps and other approved tools.

Define and champion responsible AI-assisted engineering practices, including:
Standards for using Claude Code, Codex, GitHub Copilot and other approved GenAI tools.
Expectations for review and validation of AI-generated code.
Measurement and optimisation of productivity gains and quality improvements.
Mentor and line-manage Senior Full Stack Engineers, supporting their growth in technical leadership, people leadership, and impact across squads.
Foster a culture of learning and continuous improvement through communities of practice, architecture forums, and regular knowledge-sharing.
Influence and communicate effectively with senior stakeholders (Product, Design, Operations, Risk, Compliance), aligning technical strategies with product and business roadmaps.

Extensive experience designing and delivering distributed systems at scale using Spring Boot (Kotlin/Java) and modern web technologies (React/TypeScript).
Proven track record of simplifying complex architectures and defining cross-team patterns and platforms in a multi-squad environment.
Solid experience with containerised workloads and cloud platforms (Azure preferred; AWS or Google Cloud also valuable), including deployment, monitoring, and scaling of microservices and web applications.
Deep understanding of secure coding practices (e.g. OWASP), privacy, auditability, and regulatory expectations in financial services or similarly regulated environments.
Strong experience with observability, SLOs, incident management, and operational excellence (logging, tracing, metrics, dashboards, on-call practices).
Strong understanding of CI/CD and DevOps practices, ideally using GiHub actions or Azure DevOps Pipelines, infrastructure-as-code, and automated testing at multiple levels.
Experience designing and governing APIs at scale (REST, OpenAPI, API gateways, versioning, backwards compatibility, service contracts).
Demonstrated ability to lead technical programmes or initiatives that span multiple teams and systems, delivering measurable improvements to reliability, performance, or developer productivity.
Experience introducing and scaling the use of new tools and standards across organisations, including GenAI technologies (e.g. GitHub Copilot) with appropriate guardrails.
Proven people leadership experience: line-managing senior engineers, coaching technical leaders, and building high-performing, inclusive teams.
Excellent communication and influencing skills, with the ability to work effectively with technical and non-technical stakeholders, communicate trade-offs clearly, and build consensus.
At Allica Bank we want to ensure our employees have the right tools and environment in which to succeed in their role and in support of our customers.
Our employees are at the heart of everything we do, so our benefits are designed with you in mind:
Full onboarding support and continued development opportunities
Options for flexible working
Regular social activities
Pension contributions
Discretionary bonus scheme
Private health cover
Life assurance
Family friendly policies including enhanced Maternity & Paternity leave
Don’t worry if you don’t have all the skills or requirements listed on the job description. If you think you’ll be a good fit, we’d still love to hear from you!
We know the ‘9-to-5’ isn’t right for everyone. That’s why Allica Bank is fully committed to flexible and hybrid working. Please let us know what is best for you and, if we can, we will do our best to accommodate.

Apply now

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