8 software engineer jobs found

C++ Software Engineer - Outside IR35 Contract London, UK Long-Term Engagement on a Rolling Contract Hybrid Working We have partnered with a leading Technology Firm who are looking to add a Software Engineer with skills on C++ to their Market Data team! The successful candidate will have experience in Financial Markets Technology and Real Time market data expertise. It's a Front Office position so you must be comfortable speaking with Portfolio Managers, Traders, C-Suite etc... Responsibilities will include: Architecture and Implementation of Low Latency C++ systems (robust, resilient, accurate, stable and fast) - by doing this you will position the client as a leader in Quant Trading. Work alongside hardware and software teams to build Real Time market data processing. Define, implement and enforce SLAs, policies and metrics to monitor the area. Develop Systems, Interfaces and tools to historical market data simulations to increase research...

About the job Senior Java Developer London Contract £650 - £750 per day outside IR35 Hybrid - 2/3 days onsite in the City We're partnering with a specialist consultancy to build a greenfield asset tokenisation platform for a major global financial institution. This is a hands-on Java engineering role focused on building the platform from scratch, solving complex technical challenges and shaping the future of the firm's digital assets capability. You'll be joining at the start of the journey, with the opportunity to influence both the platform and the wider programme as it grows. What you'll be doing Build a greenfield asset tokenisation platform using Java. Develop new services and platform components in a Linux environment. Work closely with other engineers to shape the design and direction of the platform. Solve complex engineering problems in a fast-moving environment. Use modern AI coding tools such as Claude Code, Windsurf or Devin as part of...

Senior Developer – Front Office RAD / Trader Tools £700 p/day | Outside IR35 | Largely remote | 12-month contract We are hiring a hands-on Senior Developer for a prestigious investment banking client, delivering tactical fixes and enhancements directly for front-office traders. This role suits someone who thrives in a RAD/tactival environment : quick to understand a problem, comfortable with changing priorities and able to deliver practical, reliable solutions at pace. The focus is on short development cycles, immediate business needs and improving existing trading tools , rather than a long-term strategic programme. Initial work will support Securities Lending , with opportunities to work across other trading desks. What we’re looking for: Strong development experience in C#, Python and Excel Proven experience in front-office RAD or tactical development A quick-thinking, pragmatic problem solver who can work independently Confidence working...

Role: Senior Applied AI Engineer (Defence Contractor) Rate: £700-£900 per day, dependent on experience Location: Oxford / London Engagement: Contract, outside IR35: initial 6-month term with strong likelihood of extension Start: Immdediate start. Hybrid, with regular time on site in Oxford or London Security clearance: You must be eligible for UK security clearance (BPSS and SC. We require applicants to hold UK passport and 5 years of continuous UK residency. We can sponsor clearance for the right candidate, but given the contract nature of this role we strongly prefer candidates who already hold an active, transferable SC; DV is an advantage. If you are not eligible, we will not be able to progress your application. A note from the Founders Oxford Dynamics is at an inflection point. We build frontier AI for environments where the cost of a wrong decision is high: defence and national security, critical infrastructure, and commercial organisations making...

Senior C# Developer - Investment Banking £750/day | Outside IR35 | 12-month rolling contract | Largely Remote If you're a strong C# engineer with genuine Event Sourcing experience and interested in a long term banking project, get in touch I'm working with a leading investment bank looking for a strong Senior C# Developer to join a long-term project building and enhancing a large-scale Structured Notes platform. This is a hands-on engineering role with approximately 80% Back End C#/20% Front End, working on complex, distributed systems. The role: You'll be working across a modern .NET platform, designing and developing scalable Back End services while contributing to the Angular Front End where required. The environment involves large-scale distributed systems, asynchronous processing, Multithreading and event-driven architecture. Core technical requirements: Excellent C#/.NET development experience Strong .NET 8 knowledge Previous commercial Event...

Senior Java Developer - Outside IR35 - Up to £700 per day Hybrid in Central London October Start Date 12-Month Initial Contract We have partnered with a leader in the financial services sector who is looking for experienced Senior Java Engineers to join their Settlements team . This is a hands-on engineering role focused on developing and enhancing software supporting complex post-trade and settlement workflows . you'll work as part of an experienced engineering team, contributing to both new and existing systems within a fast-moving financial markets environment. The Role Develop and maintain Server Side Java/JVM applications supporting settlement and post-trade processes. Build robust, scalable services using Spring and Spring Boot . Work across greenfield and brownfield development projects. Collaborate with engineers and business stakeholders to understand requirements and deliver effective solutions. Contribute to technical design,...

Autonomy Solution Architect Location: Hampshire (Hybrid / Flexible base with travel to coastal trial sites) Position Type: Full-Time, Permanent Security Clearance: Must be eligible for UK Eyes Only Security Clearance (SC) Contract type: Permanent Ideally - Outside IR35 Contract Considered Position Summary Are you a lead systems authority ready to direct the technical vision for complex, software-defined uncrewed surface vessels? We are seeking a Autonomy Solution Architect to drive the complete Autonomy Solution for a state-of-the-art maritime autonomy ecosystem. In this high-visibility leadership capacity, you will serve as the technical authority across modular software architectures, remote command nodes, robust communication pipelines, and intelligent mission payloads. This role bridges the gap between client operational demands and real-world execution. You will oversee the evolution of open, high-assurance autonomy platforms, translating high-level mission profiles...

Position: Tech Lead Location: London/Remote Daily Rate: £650 to £700 outside IR35 Clearance: UKSV SC Clearance Required We're working with a central government client at the forefront of innovation, delivering cutting-edge digital, data, and AI solutions that make a real public impact. This is a unique opportunity for a Tech Lead to shape and scale emerging technologies - from early Proof of Concept through to production - within a fast-paced, high-trust environment. You'll lead end-to-end design across software, data platforms, and AI systems, while providing independent technical assurance to ensure solutions are secure, ethical, and fit for purpose. Working across multidisciplinary teams, you'll drive innovation in areas like DevOps, platform engineering, and MLOps - balancing experimentation with governance and risk. What you'll be doing: Leading architecture, design, and delivery of digital & AI solutions Driving innovation across AI, analytics, and emerging...