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: Markets Operations Technology is going through an exciting phase of transformation in margin and collateral domain. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market...

FX Client & Sales Technology - Senior Software Engineer (SVP) The STIRT Engineering Lead is a  London-based Senior Vice President  responsible for the  hands-on design, architecture, and implementation  of the full front-to-back technology platform supporting the STIRT business. This role sits at the intersection of engineering excellence and business partnership, requiring deep engagement with traders, quants, and stakeholders across FX and Rates desks. The role demands a  technically deep, hands-on engineering leader  with strong expertise in capital markets systems, responsible for driving the strategic evolution of STIRT technology — spanning curve construction, RFQ and pricing workflows (for FX and Interest Rate Derivatives) — while managing a globally distributed engineering team. The successful candidate will own the end-to-end technology vision for STIRT, eliminating fragmentation across trading units and delivering a modern, high-performance, resilient platform...

As part of our global technology team, you will be working with a group of passionate engineers who build technical solutions to complex business problems. We are going through a very exciting phase of transformation in margin and collateral domains in Markets Technology, and you will be required to participate in the whole spectrum of building a software solution, closely working with product teams and users. We expect you to contribute to our vision of building a strong engineering culture within our global teams. This role is for someone who enjoys solving engineering challenges, has experience in building robust and high-quality solutions, has excellent communication skills and can manage multiple priorities simultaneously. Qualifications: Bachelor’s degree in computer science or engineering field involving software programming or systems engineering Hands-on professional software development experience Proficiency in programming in mainly Java, React...

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...

Location: Cheadle, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Senior Software Engineer – Maritime Mission Systems Thales Maritime Mission Systems provide a unique opportunity for you to create software that delivers a state of the art Sonar capability for UK and International Navies. Our systems are developed for a wide range of significant defence projects, including the next generation of autonomous mine hunters, Conventional and hybrid mine hunters, the Astute class submarines, Merlin helicopters, Type 23 frigates etc. As a Thales Maritime Mission Systems software engineer, you will...

Location: Linthouse Glasgow, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Senior Software Engineer Glasgow As a Software Real Time & Embedded Engineering Role within Thales, you will: Design, implement and test features with scalability, performance, deployment or operation and end-user experience in mind Apply coding/implementation best practices to produce elegant, high quality and reusable code Implement and follow security best practices for web applications Collaborate with other developers to share knowledge and improve overall product/solution Keep up-to-date with...

We're looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! MBDA is a great a place to learn about the company's entire product portfolio, whilst embracing the change to DevOps and other innovative technologies! Salary: £40,000-£75,000 depending on experience Location: Stevenage (We may be able to offer a relocation package for this role) Dynamic (hybrid) working : Typically for this role you will work 3-5 days per week on-site due to workload classification. Security Clearance: British Citizen or a Dual UK national with British citizenship Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and...

We’re Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use our software to help provide critical services to over 100 million citizens.     Our aspiration is to be a GovTech champion everywhere we work around the globe, supporting the needs of citizens and those that serve them every day. Building on 21 years of continuous growth and success, we're at a pivotal point on our journey to realise that aspiration.     Why you will love this opportunity as a Senior Software Engineer at Civica.    We are seeking a highly skilled Senior Software Engineer to join our dynamic engineering team. In this role, you will be responsible for the design, development, and implementation of innovative software solutions. You will collaborate with cross-functional teams to deliver high-quality products that meet user needs and business...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview 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....

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview 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....

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview 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....

Senior Software Engineer, AI Location: London (Hybrid: 2 days in office, 3 days remote) Position Type: Permanent Are you a seasoned software engineer passionate about pushing the boundaries of what's possible with Generative AI? We are a leading global provider of financial information services, insights, data, and analytics. We are currently seeking a Senior Software Engineer, AI to join our team in London. In this role, you will drive high-impact AI initiatives, design production-ready generative AI platforms, and build scalable, enterprise-grade solutions that shape the future of global markets. What We Offer Transformative AI Impact: Design and deploy production-ready GenAI platforms, multi-agent systems, and intelligent automation that reshape products in real-time. Cutting-Edge Tech Stack: Experiment with the latest LLMs, architect RAG implementations, design sophisticated agentic systems, and develop Model Context Protocol (MCP) servers. Enterprise...

Senior Software Engineer (FTC up to 12 months) 50,000 - 60,000 per annum IT Function 37.5 hours per week Hybrid (UK-based) Fixed Term Contract (up to 12 months) Take Ownership in a High-Impact Fintech Environment Looking for your next move where you can lead on complex engineering challenges, influence technical direction, and deliver real impact? We're looking for a Senior Software Engineer to join a growing fintech environment, working on secure, scalable systems that support real-world financial services. Operating within a modern, Agile product environment, you'll play a key role in delivering high-performance platforms handling large-scale transactions, while mentoring others and driving technical excellence across the team. This is a fantastic opportunity to step into a senior role with genuine ownership and influence. What You'll Be Doing Delivering High-Quality Engineering Solutions Design, develop, and deliver robust, scalable software solutions...

Software Engineer / Test Specialist (SDET, Safety Critical) Oxford (Hybrid, 2 days onsite per week) Highly competitive salary, open and negotiable About the Role We are looking for a Software Engineer / Test Specialist with strong experience in safety critical systems, focused on DO-178C and Verification and Validation (V&V). This is an opportunity to join an extremely well funded and well backed startup with a clear ambition to become a leading technology player in its field. The organisation is building next generation, AI led software systems where safety, reliability and certification are critical to success. You will play a key role in ensuring that advanced, AI-enabled software meets rigorous safety standards, combining traditional SDET responsibilities with deep involvement in safety assurance and certification activities. Key Responsibilities Lead and support V&V activities aligned with DO-178C objectives Develop and execute test strategies, test...

Senior AI Engineer Manager/Associate Director Capital Markets Location: Manchester Working pattern: Hybrid Salary: Compensation aligned to experience and seniority Ref: J13116 Senior AI Engineering professionals are required to support the design, build and delivery of advanced AI solutions within financial services and capital markets environments. This role would suit an experienced professional with a strong background in AI engineering and enterprise solution delivery within complex environments. You will play a key role in shaping AI strategy, leading teams and delivering enterprise AI solutions, helping organisations solve complex operational, technical and regulatory challenges through AI adoption at scale. You will work across multidisciplinary teams, collaborating with data scientists, architects, MLOps/LLMOps engineers, business stakeholders and senior leadership to design, deliver and scale AI products, agentic AI solutions and data driven applications. Key...

Senior AI Engineer Manager/Associate Director Capital Markets Location: London Working pattern: Hybrid Salary: Compensation aligned to experience and seniority Ref: J13114 Senior AI Engineering professionals are required to support the design, build and delivery of advanced AI solutions within financial services and capital markets environments. This role would suit an experienced professional with a strong background in AI engineering and enterprise solution delivery within complex environments. You will play a key role in shaping AI strategy, leading teams and delivering enterprise AI solutions, helping organisations solve complex operational, technical and regulatory challenges through AI adoption at scale. You will work across multidisciplinary teams, collaborating with data scientists, architects, MLOps/LLMOps engineers, business stakeholders and senior leadership to design, deliver and scale AI products, agentic AI solutions and data driven applications....

Kantor Energy are currently recruiting for a Senior Electrical Engineer to work on various Kantor projects, based in the Kantor/Dornan London Office. Kantor is a specialist engineering contractor, that has been designing and building innovative and sustainable energy systems for clients across the UK and Ireland for over 12 years. We are a wholly owned subsidiary of the Dornan Engineering Group. Dornan are a leading Mechanical, Electrical and Instrumentation contractor with over 600m annual turnover and with projects in Ireland, Mainland Europe, the Nordics and the UK. You will join a hard-working, ambitious, innovative team and you will benefit from a supportive culture, where your ideas and contributions will be recognised. Roles and responsibilities: Concept design, detailed design and project delivery electrical engineering across a range of scales and types of heat network projects around the UK, with a focus on the London area. Engagement with supply...

Senior Mechanical Design Engineer Egham, Surrey 50,000 - 60,000 DOE We are currently recruiting for an experienced Senior Mechanical Design Engineer to join a highly respected engineering company specialising in advanced engineered systems and bespoke technical solutions supplied to customers worldwide. This is an excellent opportunity for a mechanically biased engineer with strong hydraulics and pneumatics experience who enjoys technically challenging projects and full lifecycle engineering involvement. The Role You will be responsible for the design and delivery of complex mechanical system elements, supporting projects from concept through to manufacturing, testing, and final delivery. The role will involve: Mechanical design of assemblies and system components Hydraulic and pneumatic system design Producing GA drawings, detailed manufacturing drawings, and BOMs Supporting design reviews and continuous improvement activities Working closely with manufacturing,...

Senior FPGA / DSP Engineer Next-Gen Wireless Comms Start up Oxford / Hybrid £80,000pa - £90,000pa plus benefits: A once in a lifetime opportunity has arisen for a Senior FPGA / DSP Engineer to have a major impact in the development of next generation wireless communications. Our client is an early stage, fast paced, independently funded start up, with strong links to the University of Oxford. Led by a talented team with considerable sector experience and specialist subject knowledge, their mission is to enable safe and efficient communication systems which will ultimately protect our way of life. By joining them, the Senior FPGA / DSP Engineer will be seriously contributing to critical technology that will save lives and ensure our society remains safe in an ever-changing world. This Senior FPGA / DSP Engineer role will focus on transforming advanced wireless communication algorithms into efficient, real-time FPGA implementations for an FPGA-accelerated SDR modem...

Software Support Analyst - Servicedesk Analyst Hybrid: Mon-Wed onsite in Hull, Thurs-Fri can be remote Salary range: £25K + 30 days holiday + Benefits The Client: Our client is one of Europe s leading providers of alerting and compliance solutions for the fire and security sector. Position Overview: They are seeking a dedicated and Product Support Engineer to join their team, focusing on supporting their product. In this role, you will provide high-quality technical assistance to their customers, ensuring the effective use and smooth operation of the product. You will troubleshoot issues, guide customers through product features, and collaborate closely with senior support staff to resolve complex technical challenges. A customer focused mindset is a critical attribute for this role. Key Responsibilities: Provide first-line support to the product users via phone and ticketing system ensuring timely resolution and minimal customer downtime. Deliver excellent...