Senior Business Support Developer (C#/.NET)
Location: Gresham Street, London
Role Type: Permanent
Work Setup: Hybrid - 3 days in the office

Who We Are
ICBC Standard Bank, a joint venture between the world's largest bank ICBC and Africa's top lender Standard Bank, excels in cross-border trade finance, project advisory, and emerging markets solutions. The company offers dynamic careers in a multicultural environment, emphasizing innovation, professional growth, and expertise in finance, risk, compliance, and project delivery.

What You'll Do

• Own and support production applications in a business critical environment, ensuring high availability and stability for regulatory and business processes.
• Investigate, diagnose and resolve production incidents (including priority and major), participate in the on call/support rota and communicate incident status and system health concisely to stakeholders.
• Carry out root cause analysis, implement permanent fixes, and maintain problem records and known error documentation to prevent recurrence.
• Oversee batch processing and system dependencies, assessing upstream and downstream business impact and ensuring daily and periodic cycles complete successfully.
• Design, build and maintain C#/.NET applications across the full software development life cycle, including analysis, testing, deployment and post release support.
• Deliver enhancements and fixes for APIs, services and user interfaces (Angular or similar), and participate in code reviews, unit testing and QA activities.
• Integrate systems via REST APIs and messaging platforms (for example Kafka or MQ), and assess change impact to confirm production readiness, including testing, documentation and rollback arrangements.
• Support release planning and deployments across multiple environments, working with DevOps, infrastructure, business users and operations to improve monitoring, automation and overall environment stability.

What You Bring

• 8-15+ years' experience in software development and/or application support.
• Proven hands on expertise in C#/.NET (Framework or .NET Core).
• Strong SQL Server skills, including writing queries, developing stored procedures and performance tuning.
• Demonstrable experience of supporting or developing business critical production systems.
• Solid understanding of incident, problem and change management processes.
• Practical experience of working with APIs and system integration.
• Experience with Angular or similar Front End frameworks (preferred).
• Experience with messaging platforms such as Kafka, IBM MQ, RabbitMQ or similar.
• Experience in Investment Banking or Financial Services preferred

What's Next
If you are ready to take the next step, apply now! Successful applicants will be contacted directly by a recruiter to discuss the role more.

We are committed to creating an inclusive recruitment experience. If you require support or adjustments to the recruitment process, our Adjustment Concierge Service is here to help. Please feel free to contact us at (see below) to discuss how we can support you.

This position is being recruited on behalf of our client through our Outsourcing service line. Resource Solutions Limited, trading as Robert Walters, acts as an employment business and agency, partnering with top organizations to help them find the best talent. We welcome applications from all candidates and are committed to providing equal opportunities.