White Collar Factory (95009), United Kingdom, London, London Software Engineering Manager About this role Capital One is looking for a Software Engineering Manager to join us in our London office. You will have previous experience of leading a Software Engineering team and be passionate about people and technical leadership. What you'll do Be a differential people leader. Literally. We expect you to coach and nurture your engineers and make a material positive difference to their careers and impact on the business. Bring technical leadership to your team. We don't require you to code, but we do expect you to stay close to your team's work, set a high bar for engineering, understand technical risks and influence architectural thinking and decisions. Bring context and purpose to your team. You will ensure your team understands the why behind the work they do, and you will be intentional about how you own and shape culture. Own ways of working and...

White Collar Factory (95009), United Kingdom, London, London Senior Software Engineering Manager What you'll do You'll support a cross-functional group of 3 to 4 engineering teams to design, develop and integrate software features that are delightful and vital to the lives of credit card consumers across all walks of life Coach and nurture your engineering managers on how to build, empower and operate teams to achieve their goals Collaborate with product managers and designers on the overall product roadmap for a key business goal Provide sound stewardship of the platform and capabilities created and owned by your teams Be part of the engineering leadership team that evolves and enhances our capability, by defining and adopting best practices Play a lead role in the development of your teams culture, their vision and how they achieve it Work with associates across the business to identify, lead and drive change that impacts associates beyond...

We’re looking for an expert level server side engineer, to join one our high-impact teams inside Citi’s CTO organisation. You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a startup inside a global bank. Our mission is to drive productivity by streamlining/automating processes & make the best tools available for our 30k engineers. At Citi’s scale saving tens of minutes per day, equates to £10,000,000s of savings   We believe happy engineers make the best engineers and are a technology managed department.   Opportunities in CTO   There are many exciting opportunities for you, and flexibility to move between multiple projects if that’s something you’d enjoy. Two closely related key strategic projects will require your expertise driving solutions are as follows:   SDLC Automation is a greenfield initiative that builds on the success we’ve had in...

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech . Join the Technology Application Strategy team, where we empower Citi's global developer community to build better, faster, and with greater satisfaction. We are a dynamic and globally distributed team of passionate technologists across London, Belfast, and the US, dedicated to designing, building, and...

FX Risk Java Tech Lead   Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. What We do / The Team Citi's Markets technology team is growing at lightning speed, and we're looking for talented technology leaders to help build the future of global banking. As the world's most global bank, Citi provides an opportunity to touch every corner of the globe...

Team Overview XiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. Our team owns multiple Java Spring Boot Services that execute, partition, and track quantitative risk graphs/trades in a distributed environment. These graphs can fail due to their complexity and our system must adapt quickly to these failures to provide a seamless experience for clients.  XiP Compute Services are deployed onto OpenShift and Amazon’s Elastic Kubernetes Service (EKS). An important initiative in 2025 will be onboarding Google’s Kubernetes Engine to further expand our coverage. Our system scales on-demand, and we can run up to tens of thousands of replicas of our services across all asset classes.  Role Overview We are seeking a Senior Engineer to fill the role of ‘Applications Development Technology Lead Analyst’ on the...

Quant Developer – Trading Analytics – Equity Derivatives Tech Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Equities Tech Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology...

Senior Ruby on Rails Engineer Fulham (2/3 days on-site) 60,000 - 80,000 + Private Healthcare & Benefits This is an excellent opportunity for a Mid-to-Senior Ruby on Rails Engineer to join a start-up in a role where you will play a major part in future developments. This company is a Series A startup, breaking down barriers and making the world more accessible for everyone. Originally founded within the UK transport sector, they have developed award-winning, innovative solutions that prioritise dignity, safety, and inclusion for millions of users. In this varied role, you will move beyond feature development to focus on the stability, performance, and observability of the core Rails ecosystem. You will act as a trusted backend partner for Product and Platform teams, stabilising third-party integrations, improving background job efficiency, and utilising architectural documentation like C4 models to ensure long-term scalability. The ideal candidate will be a seasoned Ruby...

Regulation and Accreditation Officer We are seeking a Regulation and Accreditation Officer to support regulatory, quality assurance and accreditation activities within a respected professional body. Position: Regulation and Accreditation Officer Salary: £35,224 per annum (pro rata for part-time) Location: London based with hybrid working (approx. once a month in the office) Hours: Full-time (part-time requests considered) Contract: Permanent Closing Date: Wednesday 14 May at 12pm Interview Date: Week commencing 18 May 2026 (first stage online) About the role This is a key role supporting regulatory, quality assurance and accreditation functions for both individual and organisational members. You will contribute to maintaining high professional standards and protecting the public. Working closely with the Regulation and Quality Assurance Manager, you will help coordinate and deliver a range of regulatory and accreditation activities, with a particular focus on...

Octopus Energy is at the forefront of the energy transition, making energy cheaper and greener through its cutting-edge technology. The Flexibility team is building the next generation of products and tools to make energy more flexible, including automating electric vehicle charging, saving customers money by demand shifting through Saving Sessions and Free Electricity, and managing large grid-scale batteries to balance the system. The team develops products that are used by millions of customers, helping boost renewables use and decarbonise energy systems worldwide. As we continue to grow our product portfolio, we are looking for a Data Analyst to lead on investigations evaluating our performance and determining the best trading strategies across a wide range of market opportunities. What you will do: Perform regular analysis on internal and external data sets. For example understanding customer charging behaviour, and exploring bidding strategies in Flexibility markets...

IT Support Engineer – 2nd Line (Service Desk) An exciting opportunity for a 2nd Line IT Support Engineer to provide technical support, troubleshooting and cloud-based solutions across Microsoft environments within a fast-paced MSP setting. If you’ve also worked in the following roles, we’d also like to hear from you: IT Support Technician, Service Desk Engineer, Technical Support Engineer, IT Helpdesk Analyst   SALARY: £34,000 to £38,000 per annum (DOE) + Benefits LOCATION: Hybrid Working (3 Days in the City of London Office (EC1N) and 2 Days Work from Home) JOB TYPE: Full-Time, Permanent WORKING HOURS: 35 Hours per Week, Monday to Friday   ** Career Progression Opportunities **   JOB OVERVIEW We have a fantastic new job opportunity for a 2nd Line IT Support Engineer to join a collaborative organisation delivering IT support, cloud computing and managed services solutions. As a 2nd...

Job Title: Senior Full Stack Developer (React & C#.NET) Contract Length: 12 Months Location: London - 3 Days a week Daily Rate: Circa 650/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and C# .NET Core will shine! We are looking for a tech-savvy professional with a passion for building scalable applications within the financial sector. This is an exciting opportunity to work with cloud-native architectures and cutting-edge technologies. If you thrive in a collaborative environment and are eager to make an impact, we want to hear from you! Technical Skills Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI:...