Senior .Net Integration Developer

Senior .NET Integration Developer
Maidenhead - Hybrid (3 days on site & 2 from home)
£50,000 - £70,000 + Holiday + Pension + Training + Private Health Plan

Excellent opportunity for an experienced C# .NET looking to join a stock market listed business, renowned for their supportive culture and award-winning training opportunities.

This company are a well-established, international, and industry-leading SaaS provider delivering innovative platform solutions to customers across the financial, telematics, and logistics sectors. They design, develop, and support secure and scalable systems that process high-value data for global partners.

In this role you will own the development and maintenance of robust third-party integrations, helping to evolve the organisation's integration framework. You will work across financial, telematics, and mapping APIs, ensuring solutions are secure, scalable, and aligned with modern cloud architecture. You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability.

You will work directly with clients to understand their integration requirements and translate them into secure, scalable solutions. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. Strong communication will be key, as you'll explain solutions clearly and produce high-quality technical documentation to support successful implementation.

This is a fantastic opportunity for a skilled Integration Developer to join an international SaaS specialist where you will work on high-impact systems and help shape the future of their global platform.

The Role:

Develop and maintain secure, scalable integrations with financial and third-party systems
Enhance the integration framework for performance, resilience, and cloud readiness
Support customers and partners with integration setup and API usage
Expand telematics integrations including event tracking and CO? reporting
Implement structured logging, monitoring, and high-quality documentation
Hybrid working, 3 days a week office based in Maidenhead
The Person:

Extensive commercial experience with C# / .NET in integration-heavy environments
Strong understanding of REST, WebAPI, asynchronous messaging, and event-driven patterns
Hands-on experience building fault-tolerant systems (queues, retries, circuit breakers)
Proficient in integration security, authentication and encryption
Reference Number: BBBH - (phone number removed)

To apply for this role or for to be considered for further roles, please click "Apply Now" or contact Rise Technical Recruitment.

This vacancy is being advertised by Rise Technical Recruitment Ltd. The services of Rise Technical Recruitment Ltd are that of an Employment Agency.

Rise Technical Recruitment Ltd regrets to inform that our client can only accept applications from engineering candidates who have a valid legal permit or right to work in the United Kingdom. Potential candidates who do not have this right or permit, or are pending an application to obtain this right or permit should not apply as your details will not be processed