Senior Principal Engineer: Global Platform & Integrations

Marks & Spencer Plc; City Of London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

20% colleague discount

Competitive holiday allowance

Discretionary bonus schemes

Strong pension and life assurance

Induction and training support

M&S Choices perks portal

Family policies and parental leave

Wellbeing support and virtual GP

Job summary

Marks & Spencer Plc is seeking a Principal Software Engineer to provide senior technical leadership across its International Fashion, Home & Beauty domain. You will shape platforms that support international growth, collaborating with Engineering, Product, Architecture and Delivery teams to design scalable, secure, and reusable solutions.

The role drives technical direction, sets engineering standards and leads complex multi-team delivery across marketplaces, fulfilment and customer experiences.

Qualifications

• Experience leading technical teams on complex software platforms.
• Proven track record delivering large-scale, high-availability systems.
• Shaping technology strategy and long-term architectural direction.
• Deep cloud and platform engineering expertise across modern stacks.

Responsibilities

• Lead technical excellence across full SDLC for core features and platforms.
• Define scalable integration patterns for product, price and availability flows.
• Shape technology direction and influence investment decisions.
• Promote clean code, architecture, automation and DevOps practices.
• Drive ownership: build, run, monitor and improve services.
• Mentor internal teams and align multi-team delivery in complex environments.

Skills

Technical leadership

Strategic thinking

Communication

Stakeholder management

Coaching & mentoring

Ownership and accountability

Tools

Java

Spring

Spring Boot

Micronaut

React

Next.js

TypeScript

Angular

Azure Cloud

Kubernetes

Kafka

IBM MQ

SQL Server

MongoDB

Redis

OpenTelemetry

Dynatrace

Job description

Marks & Spencer Plc is seeking a Principal Software Engineer to provide senior technical leadership across its International Fashion, Home & Beauty domain. You will shape platforms that support international growth, collaborating with Engineering, Product, Architecture and Delivery teams to design scalable, secure, and reusable solutions.

The role drives technical direction, sets engineering standards and leads complex multi-team delivery across marketplaces, fulfilment and customer experiences.