Software Engineer - C# - (Hybrid Remote)

Full Stack Developer - Contract (Inside IR35) Up to £600 per dayInside IR35London - Hybrid (4 days in office, 1 day WFH)6-12 month engagement, with intention to make perm offerA leading investment management firm is seeking a Full Stack Developer to join their lean, high-impact technology team. In this role, you'll build and enhance tools that automate operational workflows across treasury, collateral, FinOps, and middle-office functions.This is a hands-on position where you'll work closely with risk, treasury, and operations teams to identify inefficiencies, replace legacy/manual processes, and build scalable solutions that support a fast-paced trading environment.

What you'll work onAutomating workflows across treasury, accounting, trading and middle-office operations.Building tools to improve collateral & margin management, capital usage reporting, and trade reconciliation.Designing and implementing API integrations across internal and third-party systems.Developing in-house solutions to replace outsourced or legacy technology.Creating data pipelines that improve reporting and analytics for portfolio managers.Owning projects end-to-end - from gathering requirements through to deployment., A Fintech organisation based in London are on the lookout for a Senior Software Engineer in order to contribute to the development of the next iteration of their platform. They are seeking someone with keen proficiency in Python and Django primarily in the London area who..., Location: London / 4 days onsite per week About: We are hiring a Senior C# Engineer on behalf of a boutique multi-strategy hedge fund to join a team responsible for overhauling the firm's market data platform. The team is undertaking a multi-year initiative to build a..., Senior Full Stack Software Engineer | Node.js * TypeScript * React * AWS | Scaling SaaS Start-Up #128640;#Location: Old Street, London (hybrid)#Tech Stack: TypeScript, Node.js, React, AWS We've partnered with a high-growth SaaS Start-Up that's transforming how businesses..., Role: Senior Software Engineer (with DevOps) Location: Remote (with occasional monthly collaboration days) A software Engineer with 5+ years experience, working with modern programming with one or more programming languages, Python and/or Golang, Java, Ruby, TypeScript...

What you'll need~5-6 years' experience as a software engineer in financial services (buy-side preferred, sell-side also welcome).~ Solid background in treasury, collateral, middle-office, or financial operations technology.~ Strong programming skills in C# + Python~ Front-end experience with Vue.js , React , or Angular .~ Experience with databases such as SQL Server, Databricks, or Azure SQL.~ Strong understanding of data structures, automation, and workflow optimisation .~ Familiarity with Git / CI/CD pipelines .~ Ability to operate independently in a fast-moving, high-ownership environment.

Nice to have:Experience with Broadridge, Sentry, or other treasury/risk platforms.Exposure to data warehousing, security master systems, or trade booking automation.Experience in quant or systematic trading environments.

Why this role?You'll have direct ownership, real influence, and the opportunity to modernise critical operational infrastructure in a high-performing financial environment. Ideal for someone who enjoys autonomy, solving operational pain points, and building robust tools that have immediate business impact. Similar jobs, Senior Front Office Software Engineer - Real-Time Trading Systems Contract - Inside IR35£London - Hybrid (3 days in office) You must be a senior software engineer with experience in trading environments. You need to be a well-rounded engineer in Python, C# / .NET or other...

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