Hybrid Integration Engineer – API & Finance Data

About The Company:

OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning services within facilities management, hard services, cleaning, security and catering. Our mission is to make people and places the best they can be for our colleagues, customers and the communities we serve. Our commitment to doing business the right way is rooted in our TRUE values - Trust, Respect, Unity, and Empowerment.

About The Role:

We are looking for an experienced Integration Engineer to design, build, and support robust system integrations across our enterprise application landscape. This role will focus on enabling reliable data flows between core platforms, with exposure to procurement and finance data. The successful candidate will be comfortable working in complex environments, collaborating with technical and business teams, and ensuring data is accurate, secure, and fit for purpose. This role can be based in either Ipswich or London, on a hybrid basis (3 days in the office).

Functional:

• Design, develop, and maintain integrations between internal systems and external partners using APIs, messaging, and data transformation tools.
• Support the integration of procurement, finance, and transactional data across ERP, finance, and third-party systems.
• Build and maintain scalable integration solutions using agreed architectural patterns (API-led, event-driven, batch, etc.).
• Monitor integration performance, troubleshoot issues, and implement improvements to ensure reliability and resilience.
• Work closely with finance, procurement, and business stakeholders to understand data requirements and integration needs.
• Ensure compliance with data governance, security, and audit requirements.
• Create and maintain clear technical documentation for integration designs, interfaces, and data mappings.
• Support testing activities including integration testing, data validation, and release deployments.
• Participate in continuous improvement activities to reduce manual processing and increase automation.

Quality Assurance:

• Ensure that the required quality standards are met.
• Work closely with QA teams to define and implement test plans.
• Oversee the resolution of any issues or bugs identified during testing.

Process Improvement:

• Identify and implement process improvements to enhance product delivery efficiency.
• Analyse and report on delivery performance, using metrics and KPIs to drive continuous improvement.
• Stay up to date with industry best practices and integrate them into the delivery process.
• Develop and maintain product documentation, release notes, and technical documentation.

Customer Focus:

• Ensure that product delivery aligns with customer needs and expectations.
• Gather and analyse customer feedback to inform future product development.
• Collaborate with customer support teams to address post-launch issues.

In order to be successful within the role, you will ideally have:

• Proven experience working as an Integration Engineer, Integration Developer, or similar role.
• Strong understanding of API design (REST, JSON, XML) and system-to-system integration patterns.
• Hands-on experience with integration platforms and middleware (e.g., Azure Integration Services, MuleSoft, Boomi, or similar).
• Experience supporting integrations involving finance and procurement data, such as: Purchase orders, Invoices, Suppliers and vendors, General ledger or transactional financial data.
• Solid understanding of data transformation, mapping, and validation techniques.
• Experience working with cloud platforms (Azure, AWS, or GCP).
• Strong troubleshooting and problem-solving skills across technical and data layers.

Desirable:

• Experience integrating with ERP systems (e.g., Dynamics 365 Finance, Business Central, SAP, Oracle).
• Knowledge of finance processes such as procure-to-pay (P2P), order-to-cash (O2C), or record-to-report (R2R).
• Exposure to messaging technologies (Service Bus, queues, event streams).
• Familiarity with DevOps practices, CI/CD pipelines, and automated deployments.
• Ability to write SQL queries or scripts for data validation and investigation.

Why join OCS?

OCS are ranked 36th on Glassdoor’s Best Companies to Work For in 2025, reflecting our dedication to building a supportive workplace where our colleagues feel valued and motivated. Our Catering team offers breakfast and lunch services at our Ipswich head office, along with free coffee, hot chocolates and a replenishable fruit basket. We believe in investing in our colleague’s futures. The OCS Academy provides a range of courses and resources that will allow you to grow your personal skills and advance your career. With our Hapi app, you can gain access to exclusive discounts, rewards and wellbeing resources.

How to Apply:

If you are interested in joining a business that encourages professional development, career progression and the chance to work with inspirational people then please click apply and register your interest! You can also sign up to our job alerts when registering which will notify you when other suitable vacancies are available.

We are an equal opportunities employer and rely on a diverse workforce with a broad range of knowledge, skills, and backgrounds to deliver our goals. We offer an inclusive and welcoming environment and actively encourage applications from all individuals regardless of race, gender, nationality, religion, sexual orientation, disability, or age.