Senior Integration Engineer

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Are you a talented integration engineer ready to help shape the future of data integrations at GOSH Charity?

Do you want to use your skills to build and support data integrations that link Salesforce with internal and external platforms – improving data flows, enabling secure connectivity, and supporting real-world impact for seriously ill children?

We are looking for an Integration Engineer to join our growing Salesforce and Data Integration team at Great Ormond Street Hospital Children’s Charity (GOSH Charity) on a 12-month fixed-term contract.

The salary for this position is £65,000 and we operate a hybrid working policy of a minimum of 2 days per week in the office.
In line with our EDI strategy and Total Reward policy, we calculate our salaries based on benchmarking data across the charity sector. To ensure fairness for existing staff and new joiners, we do not offer salaries above the advertised rate.

Key Responsibilities

• Lead the design, development and management of integrations using Boomi, connecting Salesforce with internal platforms such as our finance system and Data Warehouse, as well as external platforms like JustGiving.
• Support the implementation and growth of Boomi API Management, ensuring integrations are scalable, secure and well-governed.
• Collaborate with the Data Management team to ensure data flows are clearly mapped and aligned.
• Monitor the performance and resilience of integration workflows – proactively identifying and resolving issues before they impact operations.
• Work closely with Salesforce developers and technology engineers to ensure system-to-system integrations support platform and business goals.
• Contribute to the Charity’s integration framework and roadmap, while documenting and sharing knowledge to build team-wide resilience.

Skills, Knowledge and Expertise

• Experience designing and managing system integrations using Middleware platforms (e.g. Boomi, MuleSoft)
• Good understanding of API Standards (Rest, SOAP, Bulk) and common data formats (XML, JSON)
• Experience delivering data integrations for Salesforce or other CRM platforms.
• Knowledge of key integration concepts such as security, error handling, and data transformation.
• Strong problem-solving and communication skills, with the ability to explain technical topics clearly.

About the team

You will be part of the Salesforce and Data Integration team, working within a collaborative and forward-thinking environment that supports innovation, shared learning and inclusive values. The team’s work enables our core platform, Salesforce, to remain connected, modern, secure and scalable.

Please refer to the full job description below for more information.
Why Join Us?

We encourage applications even if you do not meet every skill listed. We are committed to diversity, equity, and inclusion and are dedicated to building a team that reflects a range of backgrounds and experiences.

At GOSH Charity, you\’ll find:

• A meaningful mission supporting seriously ill children.
• A collaborative, innovative, and open work culture.
• The freedom to experiment and explore new technologies.
• A fantastic work-life balance with excellent development opportunities

How to apply

Please click on the apply button in the top right-hand corner where you will be taken to a short application form to complete.
Closing Date: 16th July 2025
Interviews: w/c 21st July (in person)

• 30 days annual leave (plus bank holidays)
• A flexible approach to working arrangements.
• Access to our enhanced pension scheme
• Life assurance
• Access to various health and wellbeing schemes, including the employee assistance programme.

Every day, around 750 children and young people from across the UK are seen at Great Ormond Street Hospital (GOSH). At Great Ormond Street Hospital Charity, we help the hospital go above and beyond for seriously ill children, enabling kinder and better treatments, bringing hope for children with the rarest and most complex illnesses, and making hospital a little bit easier and a lot more fun for the thousands of children who are treated at GOSH every year. Our staff raise vital funds to support ground-breaking research, cutting-edge medical equipment, and the creation of child-centred facilities to help save more young lives, and essential support services that help save childhoods too.

Together, we can help give seriously ill children the best chance, and the best childhood, possible. We were delighted to be named Charity Times – Charity of the Year 2024, recognising the impact of our shared mission.

Our commitment to Equity, Diversity and Inclusion

We believe that GOSH Charity and the charity sector more widely should reflect the diversity of patients, communities, and society at large. We also know that having a more diverse and inclusive workforce will make us more innovative, challenge the status quo, and enable us to deliver more impact. We encourage applications from people of all backgrounds. In particular, we encourage applications from those who are currently under represented within the charity sector as they may be marginalised by race and/or ethnicity, sexual orientation, disability, long-term health conditions, or socioeconomic status.

If you would like more information about our approach to inclusive hiring please see our Inclusive Hiring Page here. You can also find out more about our commitments to EDI within our EDI Strategy here

As a Level 2 Disability Confident Employer we are more than happy to make reasonable adjustments wherever possible throughout the recruitment process. For more information on this please contact (emailprotected)
Applications will be reviewed on an on-going basis and we reserve the right to close the role prior to the closing date, should a suitable applicant be found. Therefore, you are encouraged to apply right away, to avoid disappointment.

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