Remote Integrations Engineer (C#)

Salary: £50,000 - 90,000 per year

Requirements

• We have 3–5+ years of experience with C# and .NET, preferably .NET Core/.NET 6+.
• We have strong experience working with APIs, webhooks, and authentication protocols such as OAuth and SAML.
• We have knowledge of enterprise integration patterns and secure data handling.
• We have experience with Azure services and identity providers, which is a strong plus.
• We have great problem-solving and communication skills, especially in customer-facing scenarios.

Responsibilities

• We develop and maintain secure, scalable integrations between Oak and third-party systems such as Azure AD, Workday, SAP, and custom APIs.
• We collaborate with customer success and implementation teams to support integration requirements.
• We own authentication flows such as OAuth2 and SAML, as well as integration-specific APIs.
• We maintain integration documentation and configuration guides.
• We troubleshoot and resolve integration issues across customer environments.
• We build reusable components and tools to streamline future integrations.

Technologies

• Azure
• C#
• Support
• OAuth
• SAML
• SAP
• ASP.NET
• Cloud
• CTO
• Product Manager

More

We are Oak Engage, a high-growth, mission-led SaaS company on an exciting expansion journey, backed by a major investment from NorthEdge. We help organisations, including brands such as Aldi, Five Guys, and ITV, connect, engage, and empower their people through smarter internal communication. This is a full-time Integrations Engineer role based in Newcastle with hybrid or remote working options for UK-based candidates, reporting to our Head of Engineering. We offer a meaningful role with strong product-market fit, the chance to solve real-world enterprise challenges, private health insurance, life insurance, an Employee Assistance Programme, a gym contribution, travel allowance, enhanced family leave, generous holiday entitlement, and a positive, collaborative culture with regular team socials. We are committed to diversity, inclusion, and accessibility throughout our hiring process.

last updated 28 week of 2026