ECS Resource Group
Application Developer
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Application Developer
Senior Software/Applications Developer
Location: Cheltenham (Hybrid) Salary: £65k
As a Senior Developer, you will play a key role in supporting, maintaining, and evolving our core business systems and integrations. Working within the Business Systems team, you will deliver reliable, scalable solutions that support day-to-day operations, improve user experience, and enable business growth.
This is a hands-on, varied role combining development, database optimisation, and systems integration. You will collaborate closely with stakeholders across the business, contributing to both new initiatives and continuous improvement of existing platforms.
Responsibilities
- Develop, maintain, and enhance business applications, integrations, and internal systems, ensuring scalable, reliable, and user-focused solutions.
- Work closely with stakeholders to understand requirements, provide technical guidance, and deliver pragmatic solutions aligned to business needs.
- Support and improve existing systems by troubleshooting issues, optimizing performance, and enhancing usability and stability.
- Design and deliver system integrations (APIs, middleware, data exchange), ensuring robustness, security, and effective data flow between platforms.
- Take ownership of database performance, including schema design, query optimization, indexing strategies, and data integrity.
- Manage and support data processes, such as imports, exports, transformation, and reconciliation across multiple systems.
- Contribute across the full development lifecycle, including design, development, testing, deployment, and ongoing support.
- Support release management, version control, and deployment processes to ensure controlled and stable system changes.
- Collaborate with internal teams and third-party suppliers to ensure systems and integrations operate effectively.
- Contribute to continuous improvement by modernizing legacy systems and adopting best practice development approaches.
- Explore and implement opportunities to leverage AI and automation technologies to improve system efficiency, data usage, and business processes, ensuring solutions are practical, secure, and aligned to business needs.
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Requirements
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- Strong experience in software development using Microsoft technologies (C#, .NET, SQL Server).
- Solid understanding of the full development lifecycle, including support and continuous improvement.
- Proven expertise in SQL Server, including performance tuning, database design, and query optimization.
- Experience with integrations, APIs, middleware (e.g. Connex or similar), and data flows (ETL, transformation, mapping).
- Ability to troubleshoot complex system and data issues across interconnected platforms.
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