Senior C# Developer

Opus Recruitment Solutions Ltd; Maidenhead; Hybrid; GBP 51,000 - 60,000; Full time

Job summary

A leading global SaaS platform company in Maidenhead is seeking a Senior C# Developer to lead third-party integrations for their AI-powered operations platform. This role requires strong C#/.NET skills along with knowledge of integration security and GDPR. The position offers a hybrid working model and focuses on impactful global products.

Benefits

Award-winning culture focused on respect and innovation

Flexible hybrid working from Maidenhead office

Impactful global SaaS products

Qualifications

• Strong C#/.NET experience in integration-heavy environments.
• Knowledge of REST, WebAPI, and async messaging.
• Solid grasp of integration security and GDPR.

Responsibilities

• Build and maintain robust integrations with external systems.
• Enhance our integration framework for performance and scale.
• Ensure security and GDPR compliance.

Skills

C#/.NET experience in integration-heavy environments

Knowledge of REST and WebAPI

Integration security and GDPR awareness

Clear communication skills

Fluent English

Tools

Swagger/OpenAPI

Azure

Power Automate

Zapier

Job description

???? Senior C# Developer – Integration Specialist

???? Maidenhead | ???? Hybrid | ???? £60,000 | ???? Global SaaS Platform

I’m currently on the lookout for a skilled C#/.NET Developer to lead the charge on third-party integrations across our AI-powered operations platform. From financial systems to telematics and mapping APIs, you’ll build secure, scalable connections that help businesses work smarter.

The company deliver AI-enhanced digital solutions that streamline operations — CRM, equipment tracking, purchasing, maintenance, and more — all accessible via cloud, on-premises, and mobile. Their platform helps businesses cut costs, boost revenue, and make data-driven decisions.

What You’ll Do

• Build and maintain robust integrations with external systems
• Enhance our integration framework for performance and scale
• Support partners with API setup and documentation
• Expand telematics features like event tracking and reporting
• Ensure security and GDPR compliance
• Implement structured logging and monitoring

What You’ll Bring

• Strong C#/.NET experience in integration-heavy environments
• Knowledge of REST, WebAPI, async messaging, and resilient system design
• Solid grasp of integration security and GDPR
• Clear communicator with great documentation skills
• Fluent English for global collaboration

Nice to Have

• Experience with ERP/financial integrations
• Swagger/OpenAPI, Azure, Power Automate, Zapier
• Exposure to IoT or telematics platforms
• Awareness of ISO 27001, SOC 2

Why Join?
Award-winning culture focused on respect, innovation, and growth
Flexible hybrid working from our Maidenhead office
Work on impactful global SaaS products

Apply with an up to date CV to discuss further to [e-mail]