5 of 5 Contract C# .NET Developer Jobs in England

Senior .NET/C# Developer Oracle to PostgreSQL Migration: Our client is embarking on a strategic transformation of a legacy enterprise platform, rebuilding a long-standing PHP and Oracle-based system into a .NET (C#) and PostgreSQL architecture. Seeking talented developers who are excited to work at the intersection of legacy systems … modern architecture and cutting-edge development tooling. Your Responsibilities: Re-engineer Oracle PL/SQL logic into performant and maintainable C# services. Design and build .NET components that interact with both PostgreSQL and legacy PHP systems. Work closely with BAs and stakeholders to ensure functional parity and identify areas for modernisation or optimisation. Contribute to the design … with code analysis and migration. Participate in code reviews, contribute to testing strategies and support comprehensive documentation efforts. What You'll Bring: Experience developing in .NET/C#, particularly in backend and data access layers. Proven success migrating legacy systems, especially from Oracle to PostgreSQL or similar. Strong working knowledge of Oracle PL/SQL and the More ❯

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 More ❯

Finstech Consulting are looking for a Back End Developer to work with our client on an exciting project. Our client … has developed an Azure based platform which it is expanding to various countries across the world. The successful candidate will have hands on experience of .NET Core, C# and SQL Server, with recent experience of reviewing and optimising SQL performance issues. One of the other key responsibilities of this engagement will be to lead the transition of … members and stakeholders to ensure smooth implementation of changes. Key Skills and Experience: 10+ years of professional experience in software development Strong proficiency in .NET Core/C# Deep understanding of SQL Server performance tuning, indexing, and query optimization Proven experience designing and implementing Microservices and Modular Monolith architectures Solid grasp of Mediator, CQRS pattern and experience More ❯

days in the East London office, 2 days remote To be considered for the role you will require the following: At least 8+ years' experience of .NET C# development experience WPF development skills are essential Good knowledge of T-SQL, PL/SQL and/or MS SQL Server Extensive experience of Windows application development Understanding of … MS .NET Framework environments. Understanding of Object Oriented programming Flexibility in technical environments and task involvement A banking/financial services background would be a big plus NB: Due to the high volume of responses … only applicants who meet the specific requirements will be contacted. Keywords: developer, programmer, engineer, analyst, a/p, consultant, lead, leader, SQL, server, oracle. PL/SQL, c#, c sharp, .net, studio, VBA, WPF, windows More ❯

days in the East London office, 2 days remote To be considered for the role you will require the following: At least 8+ years' experience of .NET C# development experience WPF development skills are essential Good knowledge of T-SQL, PL/SQL and/or MS SQL Server Extensive experience of Windows application development Understanding of … MS .NET Framework environments. Understanding of Object Oriented programming Flexibility in technical environments and task involvement A banking/… financial services background would be a big plus NB: Due to the high volume of responses only applicants who meet the specific requirements will be contacted. PL/SQL, c#, c sharp, .net, studio, VBA, WPF, windows More ❯