16 software engineer jobs found

Senior Software Engineer | :£950/day Outside IR35 | 6-months initial contract | London Industry: Trading Location: London - 4 days in office Job Type: Contract - 6-month initial Our client is building the next generation of execution and order management (EMS/OMS) infrastructure for global commodities trading. You will join a small, fast-moving engineering team designing and delivering a cloud-native trading platform from the ground up, tightly integrated with risk, pricing, and market data systems to support high-performance trading environments. This is a senior, hands-on role for an engineer who wants end-to-end ownership — from low-level protocol integration through to distributed execution services and trader-facing tooling. What You’ll Be Doing Design and build core components of a modern EMS/OMS platform, including order routing, order lifecycle management, venue connectivity, and execution analytics. Implement and maintain FIX protocol and...

🚀 Job Opportunity: Senior C# Quantitative Risk Developer | Capital Markets Technology Location: London Type: Full-time / Contract Rate: £800 p/d (Outside IR35) Client: Leading Global Investment Bank Hybrid: 1 day per week in the office Are you ready to be at the forefront of technology and finance? Our client, a top-tier investment bank, is looking for a Senior C# Quantitative Risk Developer to join their high-impact Capital Markets Technology team in London. This is a unique opportunity to bridge the worlds of quantitative analysis and software engineering—delivering cutting-edge solutions to drive pricing, risk management, and liquidity strategies in real-time trading environments. 🔍 About the Role As a Senior Quantitative Developer, you’ll collaborate closely with quantitative analysts, traders, and fellow technologists to develop and optimize core components of the bank’s pricing, risk and valuations infrastructure. You'll be responsible for...

Tech Lead – Python / Financial Modelling / AI - Pensions £650 – £750 per day Outside IR35 6 Month Contract Remote (Occasional London Travel) Overview I’m currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions for a major pensions client. This role sits at the intersection of financial modelling and modern engineering, supporting the development of platforms used for forward-looking financial analysis, including discounted cashflow projections and Monte Carlo simulations. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a team of senior developers. You’ll also play a key role in shaping AI-assisted and agentic development workflows, helping embed these approaches into day-to-day engineering practices. The Role You will lead a team of four experienced engineers while remaining actively involved in...

Tech Lead - Python/Financial Modelling/AI - Pensions £650 - £750 per day Outside IR35 6 Month Contract Remote (Occasional London Travel) Overview I'm currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions for a major pensions client. This role sits at the intersection of financial modelling and modern engineering, supporting the development of platforms used for forward-looking financial analysis, including discounted cashflow projections and Monte Carlo simulations. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a team of senior developers. You'll also play a key role in shaping AI-assisted and agentic development workflows, helping embed these approaches into day-to-day engineering practices. The Role You will lead a team of four experienced engineers while remaining actively involved in the...

Tech Lead - Python / Financial Modelling / AI - Pensions £650 - £750 per day Outside IR35 6 Month Contract Remote (Occasional London Travel) Overview I'm currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions for a major pensions client. This role sits at the intersection of financial modelling and modern engineering, supporting the development of platforms used for forward-looking financial analysis, including discounted cashflow projections and Monte Carlo simulations. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a team of senior developers. You'll also play a key role in shaping AI-assisted and agentic development workflows, helping embed these approaches into day-to-day engineering practices. The Role You will lead a team of four experienced engineers while...

Backend-leaning Staff Engineer to modernise a core CRM and build AI-driven agent capabilities We're supporting a propety-tech organisation undertaking a major modernisation of an established CRM platform, alongside building autonomous, AI-driven workflows directly into core business processes. This role is strongly Back End-focused, requiring deep .NET engineering expertise, combined with proven experience building agentic AI systems in production. T he Role Rebuild and enhance core CRM functionality within a live production environment Lead Back End development using .NET/C#, ensuring scalability, reliability, and maintainability Work across the stack where needed (TypeScript/React) but with a clear Back End-first focus Design and implement: Autonomous agents Self-learning systems AI-driven workflow automation platforms Integrate AI capabilities directly into core product workflows and business processes Drive incremental modernisation of Legacy...

Lead Platform Engineer Python | Cloud | Terraform | IAM | DevOps | Infrastructure-as-Code (IaC) Rate: Circa £700–£800 per day (Outside IR35) Contract Length: 6 Months Location: London / Hybrid (2 days per week) Overview We are seeking an experienced Principal / Lead Engineer to join a highly ambitious organisation building a large-scale, mission-critical data and technology platform. This is a unique opportunity to join at the earliest stages of a major programme and play a key role in shaping its technical foundation. Working closely with the CTO and a small team of senior engineers, you will lead the design and implementation of core infrastructure, establish engineering standards and practices, and make architectural decisions that will have long-term strategic impact. If you enjoy solving complex technical challenges, influencing technology strategy, and creating robust engineering foundations, this role offers an exceptional opportunity to make a...

Scada Engineer - Onshore Substation 2-year contract Outside IR35 Key Qualifications Client witness/support the delivery of the HV/Substation and WTG SCADA systems during the construction and commissioning phase of the project supporting Onshore and/or Offshore systems. This will cover the hardware and software interfaces for the whole project, from HVDC systems to WTGs, which cover: LAN systems (Process, Scada, Server, Subsystem, Client, Operator, DMZ) Pole Control systems Converter control system DC protection DC Measuring system AC protection Bay control units HMI and fault reporting operation (design already finalised) Communication/LAN systems OT cyber security Systems such as fire alarm, PECG, Cooling system etc. Fibre Optic and other cable communication infrastructure - between onshore and offshore - overseeing installation of the cable, including hygiene, patching and correct install. Client witness/support for acceptance tests (FAT/SAT) to ensure...

Senior AI Engineer Up to £900/day (Outside IR35) 6 months contract UK - Fully Remote We are working with a UK-based prop-tech business building a production-grade autonomous AI agent platform used by professionals in a high-transaction environment. They are looking for a Senior AI Engineer to take a hands-on role in the design and delivery of agentic AI systems, focused on workflow automation, intelligent decision support, and deep integration with an existing commercial platform. This is a delivery-focused contract role with genuine architectural responsibility. Role Overview You will design and implement autonomous and semi-autonomous AI agents that operate across customer workflows, ingest transactional data, and generate actionable insights. The work is firmly production-oriented, this is not a research or experimentation role. Key Responsibilities Agentic AI & Automation Design and implement AI agent architectures for autonomous task...

Senior Databricks Architect/Databricks Engineer- Contract- Remote Rate- £700/day Outside ir35 Work from Home Duration- 12 months minimum (with possible extensions) This is a Senior Databricks hands on Architect who is a Databrick engineer by trade. This is a long-term contract engagementto provide dedicated data engineering depth within the Databricks and Shared IEP Services data layer, owning delivery across these workstreams and ensuring the resulting pipelines and schemas are production-grade, governed, and maintainable by the permanent team. The contractor will operate primarily within the Databricks and Shared IEP Services data layer, owning data engineering delivery across three areas: 1) Product data ingestion - Building and maintaining daily pipelines from content and assessment products into the shared Back Office data layer. 2) AI feature enablement - Designing and maintaining the schemas and data pipelines that power LLM-based features (GenAI...

Principal/Lead Engineer Python/Cloud/Terraform/IAM/DevOps/infrastructure-as-a-code IaC Rate: Circa £600 - £700 PD (Outside IR35), 6 months Location: London/Hybrid x2 days We are seeking an experienced Principal/Lead Engineer to join a highly ambitious organisation building a large-scale, mission-critical data and technology platform. This is a unique opportunity to join at the earliest stages of a major programme and play a key role in shaping its technical foundations. Working closely with the CTO and a small team of senior engineers, you will lead the design and implementation of core infrastructure, establish engineering standards and practices, and make architectural decisions that will have long-term strategic impact. If you enjoy solving complex technical challenges, influencing technology strategy, and creating robust engineering foundations, this role offers an exceptional opportunity to make a lasting impact. Role & Responsibilities Technical Leadership...

Senior Databricks Architect/Lead Databricks Engineer - Salesforce Data Architecture exp is a MUST Remote (UK) £700/day Outside IR35 Initial 12-Month Contract | Long-Term Programme | Poosible Extension We're seeking an exceptional Senior Databricks Architect with a strong hands-on Data Engineering background to join a major long-term transformation programme. This is not a pure architecture role. You'll be a Databricks specialist who remains close to the technology, designing and building enterprise-scale data solutions while driving engineering excellence across critical data platforms. You'll take ownership of delivering robust, scalable, and production-grade data solutions within a modern Databricks ecosystem, ensuring platforms are governed, secure, maintainable, and optimised for long-term growth. Key Responsibilities Architect, build and optimise enterprise-grade data solutions within Databricks Design and...

Principal / Lead Engineer Python / Cloud / Terraform / IAM / DevOps / infrastructure-as-a-code IaC Rate: Circa £600 - £700 PD (Outside IR35), 6 Months Location: London / Hybrid x2 days We are seeking an experienced Principal / Lead Engineer to join a highly ambitious organisation building a large-scale, mission-critical data and technology platform. This is a unique opportunity to join at the earliest stages of a major programme and play a key role in shaping its technical foundations. Working closely with the CTO and a small team of senior engineers, you will lead the design and implementation of core infrastructure, establish engineering standards and practices, and make architectural decisions that will have long-term strategic impact. If you enjoy solving complex technical challenges, influencing technology strategy, and creating robust engineering foundations, this role offers an exceptional opportunity to make a lasting impact. Role &...

Principal / Lead Engineer Python / Cloud / Terraform / IAM / DevOps / infrastructure-as-a-code IaC Rate: Circa £750 - £800 PD (Outside IR35), 6 Months Location: London / Hybrid x2 days We are seeking an experienced Principal / Lead Engineer to join a highly ambitious organisation building a large-scale, mission-critical data and technology platform. This is a unique opportunity to join at the earliest stages of a major programme and play a key role in shaping its technical foundations. Working closely with the CTO and a small team of senior engineers, you will lead the design and implementation of core infrastructure, establish engineering standards and practices, and make architectural decisions that will have long-term strategic impact. If you enjoy solving complex technical challenges, influencing technology strategy, and creating robust engineering foundations, this role offers an exceptional opportunity to make a lasting impact. Role &...

🚀 Senior Front-End Engineer – Investment Banking | Contract Upto £800 p/d (Outside IR35) | London / Hybrid (1 Day/Week in Office) We are partnering with a global investment bank to hire a Senior Front-End Engineer to join a flagship team delivering a next-generation, single-page application (SPA) platform for high-performance derivatives trading. This is a high-profile role on a mission-critical, front-office system with exceptional technical standards. You’ll work at the cutting edge of financial technology, contributing to a modern, reactive web platform used across trading desks. This is not your typical enterprise UI – it’s fast, data-intensive, and built to scale with real-time demands in a trading environment. 💼 The Opportunity Collaborate with elite engineers on a SPA used across the investment bank for derivatives trading. Build elegant, high-performance UIs with real-time data updates and functional programming paradigms. Shape a front-end...

Senior Databricks Architect/Databricks Engineer- Contract- Remote Rate- £700/day Outside IR35 Work from Home Duration- 12 months minimum (with possible extensions) This is a Senior Databricks hands-on Architect who is a Databricks engineer by trade. This is a long-term contract engagementto provide dedicated data engineering depth within the Databricks and Shared IEP Services data layer, owning delivery across these workstreams and ensuring the resulting pipelines and schemas are production-grade, governed, and maintainable by the permanent team. The contractor will operate primarily within the Databricks and Shared IEP Services data layer, owning data engineering delivery across three areas: 1) Product data ingestion - Building and maintaining daily pipelines from content and assessment products into the shared back-office data layer. 2) AI feature enablement - Designing and maintaining the schemas and data pipelines that power LLM-based features (GenAI...