Senior /NET/C/ Developer Oracle to PostgreSQL migration

Senior .NET/C# Developer (Oracle to PostgreSQL migration) - Finance - Remote Duration: 6 months Rate: £500 - £600 Start: ASAP My client is looking for a Senior Developer to join the team to help with a migration. They are undertaking a strategic transformation of a legacy system built on PHP and Oracle, migrating to a modern architecture using PostgreSQL and .NET (C#). This is not a simple lift-and-shift; the project involves re-engineering over 240 Oracle stored procedures, some highly complex, into performant, maintainable C# code. The new system will coexist with the legacy platform during the transition, requiring careful integration and support for business-as-usual (BAU) operations. Key Responsibilities • Collaborate with the existing team to re-engineer Oracle PL/SQL stored procedures into C# services. • Design and implement .NET-based components that integrate with both legacy PHP systems and new PostgreSQL databases. • Work closely with business analysts and stakeholders to ensure functional parity and identify opportunities for enhancement. • Participate in the design of a hybrid architecture that supports phased migration. • Use AI-assisted tools to analyse, translate, and optimize legacy code. • Support BAU operations during the migration period, ensuring system stability and continuity. • Contribute to code reviews, testing strategies, and documentation. Required Skills & Experience • 5+ years of experience in .NET/C# development, with a strong focus on backend services and data access layers. • Proven experience in migrating legacy systems, especially from Oracle to PostgreSQL or similar. • Strong understanding of PL/SQL and experience translating stored procedures into application logic. • Familiarity with PostgreSQL, including performance tuning and SQL dialect differences. • Experience working in hybrid environments where legacy and modern systems coexist. • Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist in development and migration tasks. • Solid understanding of software architecture, design patterns, and integration strategies. • Excellent communication skills and ability to work collaboratively in a cross-functional team. Desirable Skills • Experience with PHP, especially in legacy systems. • Familiarity with DevOps practices, CI/CD pipelines, and containerization (Docker/Kubernetes). • Exposure to domain-driven design and microservices architecture. • Experience in agile development environments. • Rates depend on experience and client requirements Original job Senior /NET/C/ Developer Oracle to PostgreSQL migration posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs. Apply tot his job