Contract C# Developer Job Vacancies

8 of 8 Contract C# Developer Jobs

Lead C# Developer | Fixed Income

London, United Kingdom
Hybrid / WFH Options
Pontoon
Role - Lead C# Developer, Fixed Income Location: London (Hybrid Working) Duration: 6-months Rate: Via umbrella Join one of the most stable and globally respected financial institutions as a Director-level Lead C# Developer within the Front Office Fixed Income technology team. This is a high-impact leadership role at the intersection of trading … Income technology team, you will work closely with the Product Owner, trading desks, and development leads to deliver high-quality, scalable solutions. This role combines deep technical expertise in C#/.Net with leadership in design, architecture, and delivery. You will represent the team across senior forums, partner with stakeholders globally, and ensure the technology stack remains cutting-edge … Own the design and delivery of software solutions supporting front-office Fixed Income trading Represent IT in strategy, planning, and architecture discussions at senior levels Provide technical leadership in C#, .Net Core, and SQL Server within a fast-moving Agile environment Contribute to IT strategy for Fixed Income, including integrations with tools like ION Anvil , Neptune , and Mosaic Smart More ❯
Employment Type: Contract
Rate: £900 - £1000/day
Posted:

Lead C# Developer - Fixed Income

London, United Kingdom
Pontoon
Role : Lead C# Developer - Fixed Income Location : London, 3 days per week on site required Duration : 6-month contract Rate : Via umbrella company Are you a highly skilled C# Developer with a deep understanding of Fixed Income products and the confidence to take ownership in a front-office environment? Join a globally respected financial … will act as the key technical representative for the team, attending stakeholder meetings, partnering directly with Directors, and solving complex business problems with robust backend solutions. Working primarily with C# and SQL Server, you'll design and implement high-performance systems that support trading desks across the Fixed Income space. This role is ideal for someone who thrives on … enjoys building relationships with both IT and business stakeholders. Key Responsibilities Represent the IT team in meetings with Directors and business users Own and drive backend solution design using C# and SQL Server Collaborate closely with the Product Owner and senior stakeholders to understand requirements and deliver fit-for-purpose solutions Work hands-on across all stages of the More ❯
Employment Type: Contract
Rate: £700 - £800/day
Posted:

Senior .NET/C# Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Morgan McKinley
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 and delivery of a hybrid system … to assist 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 ❯
Employment Type: Contractor
Rate: £425 - £525 per day
Posted:

Senior .NET/C# Developer Oracle to PostgreSQL migration

London, South East, England, United Kingdom
Salt Search
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 More ❯
Employment Type: Contractor
Rate: £500 - £600 per day
Posted:

Back End Developer .NET Core/C#/SQL Server

Ipswich, Suffolk, England, United Kingdom
Hybrid / WFH Options
365Jobs
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 … with team 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 ❯
Employment Type: Contractor
Rate: £500 per day
Posted:

C#.Net Developer (WPF)

E14, Canary Wharf, Greater London, United Kingdom
Qualserv Consulting Limited
of 3 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 … 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 ❯
Employment Type: Contract, Temporary
Salary: £370 - £400/day
Posted:

C# / WPF / WCF / Winform Developer

London, United Kingdom
GCS
Global bank based in Canary Wharf. Role - C#/WPF/WCF/Winform Developer Duration - 6 months with likely extension Rate - £400 p/d (inside IR35) Location - Remote/Canary Wharf Tech Stack C# WPF Winforms SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows More ❯
Employment Type: Contract
Rate: £400 - £415/day inside IR35
Posted:

C#.Net Developer (WPF)

London, United Kingdom
Qualserv Consulting Limited
of 3 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 … 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 ❯
Employment Type: Contract
Rate: GBP 370 - 400 Daily
Posted:
C# Developer
10th Percentile
£385
25th Percentile
£400
Median
£600
75th Percentile
£788
90th Percentile
£850