Integration & API Engineering Manager

Welcome to Haleon. We’re a purpose-driven, world-class consumer company putting everyday health in the hands of millions. In just three years since our launch, we’ve grown, evolved and are now entering an exciting new chapter – one filled with bold ambitions and enormous opportunity.

Our trusted portfolio of brands – including Sensodyne®, Panadol®, Advil®, Voltaren®, Theraflu®, Otrivin®, and Centrum® – lead in resilient and growing categories. What sets us apart is our unique blend of deep human understanding and trusted science.

Now it’s time to fully realise the full potential of our business and our people. We do this through our Win as One strategy. It puts our purpose – to deliver better everyday health with humanity – at the heart of everything we do. It unites us, inspires us, and challenges us to be better every day, driven by our agile, performance-focused culture.

Role Summary

The Integration & API Engineering Manager designs, builds, and operates secure, scalable integrations and APIs connecting non‑SAP applications and digital products across the enterprise. The role plays a key part in reducing point‑to‑point complexity, enabling standardised integration patterns, and improving reliability and time‑to‑market for business‑critical services. This is a hands‑on engineering leadership role with accountability for technical design quality, non‑functional performance, and operational resilience. The role also has line‑management responsibility for a team of integration engineers, providing technical leadership, coaching, and performance management while setting clear engineering standards and ways of working across the integration function.

Key responsibilities

Design and implement APIs and integration solutions between non‑SAP platforms, ensuring alignment to approved integration patterns and architectural guardrails.

Own end‑to‑end integration designs, including interface contracts, data mappings, transformations, orchestration, error handling, and resilience mechanisms.

Build and support API services using enterprise API management capabilities, ensuring secure exposure, lifecycle control, and consistent consumption.

Ensure integrations meet non‑functional requirements, including performance, availability, scalability, observability, and recoverability.

Implement and maintain monitoring, logging, and tracing for integrations and APIs, using operational insight to drive incident resolution and continual improvement.

Act as a technical escalation point for integration‑related incidents and problems, contributing to root cause analysis and long‑term remediation.

Apply security‑by‑design principles, ensuring data protection, encryption, and compliance requirements are met across all integrations.

Lead, manage, and develop the integration engineering team, including objective setting, performance management, coaching, and capability development.

Establish and enforce engineering standards, SOX and GXP compliance, reusable patterns, and best practices across the integration estate.

Collaborate closely with architects, product teams, service owners, and delivery partners to shape solutions, manage dependencies, and plan delivery.

Support and mentor engineers, raising overall capability, quality, and consistency across the team.

Manage total cost of ownership and be the product owner for non-SAP/API integrations, managing as well as optimizing project budgets, run budgets, license and infra budgets.

Why You?

Essential Proven experience delivering complex, business‑critical integrations and APIs in an enterprise environment.

Strong expertise in API design and system integration, including RESTful APIs, synchronous and asynchronous patterns, and interface lifecycle management.

Solid understanding of integration non‑functional requirements, including resilience, performance, error handling, and operational supportability.

Hands‑on experience with API management concepts, such as authentication and authorisation, traffic management, versioning, and policy enforcement.

Strong operational mindset, with experience supporting production services and using observability data to improve stability and performance.

Ability to translate business and technical requirements into clear, well‑documented integration designs.

Excellent communication skills, able to explain technical decisions, trade‑offs, and risks to both technical and non‑technical stakeholders.

Preferred Experience working within large, distributed integration landscapes, including rationalisation of legacy point‑to‑point integrations.

Familiarity with enterprise integration governance, standards, and design assurance practices.

Experience operating in multi‑vendor or outsourced delivery environments, coordinating across internal and external teams.

Exposure to regulated or risk‑sensitive environments where reliability, security, and auditability are critical.

Demonstrated ability to influence technical direction and contribute to the evolution of integration platforms and services.

        Job Posting End Date     2026-07-08       Equal Opportunities Haleon are committed to mobilising our purpose in a way that represents the diverse consumers and communities who rely on our brands every day. It guides us in creating an inclusive culture, where different backgrounds and views are valued and respected – all in support of understanding and best serving the needs of our consumers and unleashing the full potential of our people. It’s important to us that Haleon is a place where all our employees feel they truly belong.

During the application process, we may ask you to share some personal information, which is entirely voluntary. This information ensures we meet certain regulatory and reporting obligations and supports the development, refinement, and execution of our inclusion and belonging programmes that are open to all Haleon employees. 

The personal information you provide will be kept confidential, used only for legitimate business purposes, and will never be used in making any employment decisions, including hiring decisions.       Adjustment or Accommodations Request If you require a reasonable adjustment or accommodation or other assistance to apply for a job at Haleon at any stage of the application process, please let your recruiter know by providing them with a description of specific adjustments you are requesting. We’ll provide all reasonable adjustments to support you throughout the recruitment process and treat all information you provide us in confidence.        Note to candidates The Haleon recruitment team will contact you using a Haleon email account (@haleon.com). If you are not sure whether the email you received is from Haleon, please get in touch.