51 to 75 of 102 Contract C# Jobs

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 More ❯

be required to build web-based applications to support data management and configuration processes that integrate with the new data architecture and reporting tools. Key Technical Skills: Proficiency in C# and Visual Studio Experience developing web applications for internal tools or data platforms Strong understanding of API services (RESTful APIs, integration patterns) Familiarity with SQL Server and data-driven application More ❯

public sector client. You will have extensive experience of D365 CE/CRM and Power Platform. Skills: D365 CE/CRM Power Platform Azure - IaaS/PaaS services .Net, C#, Javascript, TypeScript Strong knowledge of Performance tuning in D365 implementations Responsibilities: Focus on owning and managing performance improvements in D365 implementations Design and implement performance tuning strategies Analyse telemetry, logs More ❯

and a strong technical skill set. Required Experience: VHDL/VERILOG and SDR architecture. CEMA domain expertise: RF telecommunications, waveforms, OSI model, SIGINT, EW. Agile development methodologies. Proficiency in C#, C, C++, Python, and database architecture. Desirable Experience: XML, JICD, networked systems, RESTful/RPC APIs. OPEN CPI component/platform development. Geospatial engines and cloud container technologies (e.g., Docker More ❯

and a strong technical skill set. Required Experience: VHDL/VERILOG and SDR architecture. CEMA domain expertise: RF telecommunications, waveforms, OSI model, SIGINT, EW. Agile development methodologies. Proficiency in C#, C, C++, Python, and database architecture. Desirable Experience: XML, JICD, networked systems, RESTful/RPC APIs. OPEN CPI component/platform development. Geospatial engines and cloud container technologies (e.g., Docker More ❯

/modelling/simulating software in at least one of the following areas: RF telecommunications, waveforms, OSI model, SIGINT, EW VHDL VERILOG Experience with SDR architecture Agile development methodologies. C#, C, C++, Python and Database architecture. Desirable Experience XML Networked systems JICD Restful and/or RPC API Library agnostic code development Geospatial engines Cloud containers/Docker OPEN CPI More ❯

/modelling/simulating software in at least one of the following areas: RF telecommunications, waveforms, OSI model, SIGINT, EW VHDL VERILOG Experience with SDR architecture Agile development methodologies. C#, C, C++, Python and Database architecture. Desirable Experience XML Networked systems JICD Restful and/or RPC API Library agnostic code development Geospatial engines Cloud containers/Docker OPEN CPI More ❯

communication with Development, Technical Support, and Infrastructure teams. What We're Looking For: Proven experience in technical writing within software development environments. Must have hands-on experience with .NET, C#, and SQL. Ability to translate complex code and logic into readable, structured documentation. Experience using Visio for technical diagrams and SharePoint for document management. Must have a proactive mindset and More ❯

verification, and testing Conduct performance optimisation, profiling, and debugging Document architecture, interface specifications, and test procedures Required Skills & Experience Strong experience in C++ development on Linux platforms Proficiency in C# for tooling or support applications (mainly Windows-based) Proven track record working with real-time data systems , particularly with high-speed protocols such as SFPDP Expertise in multi-threaded programming More ❯

test architectures PXI/d LXI Measurement Uncertainty and its application in test equipment design and validation Software Certification or detailed knowledge of: NI LabView, NI CVI, NI TestStand, C# Design of mix signal circuits High speed serial networks An appreciation of RF electronics Knowledge of power supply design More ❯

systems Document architecture, interface definitions, and test procedures to support handover and formal test activities Your skillset may include: Experience in C++ development in a Linux environment Proficiency in C# for tooling, test interfaces, or Windows components Proven experience working with real-time data systems, preferably involving SFPDP or other high-speed digital protocols Demonstrable skills in multi-threaded and More ❯

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 architecture supporting phased rollout. Leverage … 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 ability More ❯

happy for this position to be 100% remote. What’s in it for you? 100% Remote Outside IR35 Day to day Responsibilities Delphi Any of the following is advantageous: C# SQL Firebird With interviews aiming to be arranged next week, apply now to discuss it further!If you feel that you don’t tick all of the boxes but still More ❯

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, architecture, and delivery-perfect for someone … 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, secure … 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 Data More ❯

and delivery. Core Requirements: Solid understanding of HTTP protocols and request/response architecture. Proficiency in writing Regular Expressions for data extraction. Working knowledge of Python, SQL, and either C# or Java. Strong problem-solving and debugging skills. Effective communication skills for understanding project needs and working with the team. Advantageous: Experience with automated data harvesting using Python, C#, or … Big Data tools such as Elasticsearch. Background in the travel industry. Knowledge of GitHub and version control best practices. Tech Stack & Tools Cloud: AWS, GCP (BigQuery) Languages: Python, Java, C# Data: SQL, JSON, XML, ElasticSearch Other: HTTP, Regular Expressions, GitHub Please send me copies of your CV if you meet the requirements More ❯

the #1 data-driven broker in the world. The main responsibilities will be: · Building and maintaining Single Page Applications (SPAs), using technologies such as Typescript, React, and D3.js. · Using C# to build API's both for specific application use, and more general use across the application estate. · Contributing to design, build, test & maintenance activities and be genuinely motivated by delivering … massively grow under the technical point of view. Skills and experience that will lead to success The successful Senior Developer should have: · Minimum 6 years of experience in development; C#, Advanced JavaScript (preferably React) · BS or MS degree in Computer Science, Information Technology or equivalent experience · Keenly interested in software development, staying up to date with current trends and able More ❯

Integration Engineer | Azure | D365 | C# API - Contract Method is supporting one of our clients on a large-scale digital transformation programme and wanted to share a contract opportunity that may be of interest. We're hiring a Cloud Integration Engineer with strong Azure experience to deliver enterprise-grade integration solutions across Microsoft Dynamics 365 Finance & Operations (D365 F&O) environments. … stakeholders to solve integration challenges Essential Experience: Proven delivery of integrations with D365 Finance & Operations (F&O) Strong Azure integration development (Function Apps, Logic Apps, Event Grid, etc.) Strong C# development skills including async and event-driven programming Knowledge of Dataverse, Azure SQL, and Cosmos DB Automation scripting in PowerShell, Python, or JavaScript Familiarity with Power Platform tools: Power Apps … Power Automate, Power BI Understanding of enterprise cloud security and compliance Integration Engineer | Azure | D365 | C# API - Contract RSG Plc is acting as an Employment Business in relation to this vacancy. More ❯

unify and streamline siloed operational data sources. Youll join a collaborative, Agile team and take ownership across both frontend and backend development, working in a modern .NET environment with C# and front-end JavaScript/HTML/CSS. Tech Stack: Backend: C#, .NET 6+, WebAPI, MVC Frontend: HTML, CSS, JavaScript, jQuery Databases: SQL (relational DBs) Tools: Git, CI/CD … pipelines, Agile practices Architecture: Microservices, OOP principles, automated testing What Youll Be Doing: Design, build, and maintain scalable, reusable code using C# and .NET Work with product teams to define features and translate requirements into clean, maintainable code Integrate frontend components using HTML/CSS/JavaScript Contribute to architectural decisions and system scalability Implement automated unit testing and CI …/CD workflows Collaborate across teams and identify performance bottlenecks What Were Looking For: Strong command of C# and the .NET ecosystem (v6 or higher) Hands-on experience with HTML, CSS, JavaScript, jQuery Understanding of WebAPI, MVC architecture , and object-oriented programming Experience with relational databases (SQL Server, MySQL, etc.) Solid Git experience and CI familiarity Experience writing unit and More ❯

Full Stack Software Engineer - AI and Automation - (C#, .NET, SQL, Python, Azure PaaS, IaC) Inside IR35 - 6 month contract likely to extend We are looking for a contract Full Stack Software Engineer (C#, .NET, SQL, Python, Azure PaaS, IaC) with experience of AI and Automation to join our Investment Banking Technology Team at Investec, where we're at the forefront … teams and third-party vendors to integrate new technology and AI enablement into the business What we're looking for A solid full stack engineering background with experience in C#, .NET, SQL, Python, TypeScript, and Azure PaaS. Experience with infrastructure as code ie ARM/Terraform/Bicep Extensive experience in designing and developing robust, scalable applications and high-traffic More ❯

Automation Tester (C#) Excellent Day Rate (Inside IR35)Contract 6 Months +Edinburgh – Hybrid WorkingPosted Date 31/07/2025CVs ASAPStart date Aug – Sep 2025 Meraki Talent is sourcing for an Automation Tester for our institutional asset management client in Edinburgh City Centre. They are looking for people to join the growing team and work on a client-facing project … with a strong emphasis on continuous development. The team uses both desktop and web development applications, including technology applications such as C#, Azure DevOps, and Oracle Database. They are looking for someone who has an extensive background in automation testing with strong experience in C#, Gherkin, and modern testing frameworks. Responsibilities of the Automation Tester (C#) Develop and maintain automated … efficiency of testing practices. Work with cross-functional teams to ensure successful delivery of high-quality products. Identify, document, and track software bugs thoroughly. Experience of the Automation Tester (C#) Design and maintain automated test frameworks and scripts using C# and SpecFlow/Reqnroll Write Gherkin-based acceptance tests and manage test cases within Azure DevOps Collaborate with developers and More ❯

C# Software Engineer Location: Stevenage or Bristol, Full time on site initial 3 month period, then hybrid working Duration: 12 Months initial SC Clearance Required Rate: £65 ph Umbrella Overview of department: WSSE are integral in the development of weapon systems and system architectures, and as a result have developed a capability supporting developments across the full product life cycle. … emulators. Working with Project Leads and Simulation Architects to design and develop simulation components as an end to end representation of a weapon System in a synthetic environment using C#, C++ and integration simulations, supporting a number of industry standards. You will work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in synergy … Our approach to software development includes: o Configuration control o Continuous Integration o Continuous Delivery or Deployment. o Unit testing and test driven development. Key Skillset Essential: Proficient in C#/C++ Microsoft Visual Studio, Eclipse, Ability to work from high level/system view into technical detail. Excellent verbal, presentation and written communication skills Knowledge of using Microsoft Windows More ❯

Software Developer – Contract – Fully Remote VIQU have partnered with a leading public sector organisation to recruit a .NET/C# Software Developer for a short-term contract. The Role: This Software Developer role will see the successful developer support the ongoing development, customisation, and maintenance of internal web applications and solutions. You will work on .NET web development, alongside Microsoft … pro-code development of web applications, as well as customisations for Power Apps. Key Skills & Experience: Solid commercial experience as a Software Developer, developing web applications using .NET and C# Proficiency building and customising Model-Driven Apps and Canvas Apps (Power Apps experience). Strong working knowledge of SQL and Microsoft Dataverse Experience developing and consuming REST APIs, including the More ❯

World Class Defence Organisation is currently looking to recruit 3x C#/C++ Software Engineer subcontractors on an initial 12 month contract. Job Title: C#/C++ Software Engineer Rate: £65.00 per hour Location: Stevenage Hybrid/Remote working: The role will be a hybrid role of 3 or 4 days per week onsite. The role will be needed to … over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) C#/C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across … emulators. Working with Project Leads and Simulation Architects to design and develop simulation components as an end to end representation of a weapon System in a synthetic environment using C#, C++ and integration simulations, supporting a number of industry standards. You will work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in synergy More ❯

World Class Defence Organisation is currently looking to recruit 3x C#/C++ Software Engineer subcontractors on an initial 12 month contract. Job Title: C#/C++ Software Engineer Rate: £65.00 per hour Location: Stevenage Hybrid/Remote working: The role will be a hybrid role of 3 or 4 days per week onsite. The role will be needed to … over 37 hours per week will be calculated at time and a quarter Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) C#/C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across … emulators. Working with Project Leads and Simulation Architects to design and develop simulation components as an end to end representation of a weapon System in a synthetic environment using C#, C++ and integration simulations, supporting a number of industry standards. You will work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in synergy More ❯

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 MS … 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 ❯