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HISCOX
24 May, 2026
Full Time
Lead ML Engineer
HISCOX London, UK
Job Type: Permanent Build a brilliant future with Hiscox   Role Purpose As a Lead Machine Learning Engineer (MLE) at Hiscox, you will shape and scale our Machine Learning Engineering capability and ensure the successful deployment and operation of ML in production. You will lead the MLE sub-chapter, line manage Machine Learning Engineers, and partner closely with the Head of Data Science, the Data Science sub-chapters and Platform/Group teams to enable scalable, reusable, and well-governed ML solutions. You will be accountable for the MLOps platform, ensuring it is reliable, secure, and continuously evolved and for ensuring our business unit ships ML to production in a scalable way that is reusable across value streams, enabling efficient model maintenance, monitoring, and lifecycle management. Combining deep technical expertise with leadership, you will set standards, uplift capability, and enable squads to deliver robust, production-grade ML systems. Key...
HISCOX
24 May, 2026
Full Time
Lead Data Scientist
HISCOX London, UK
Job Type: Permanent Build a brilliant future with Hiscox   Reporting to:         Re & ILS Head of Data Location:                 London Type:                       Permanent Role Overview The Lead Data Scientist is a crucial member of the extended RE&ILS Tech Leadership Team, responsible for building, leading, and nurturing a highly capable (New) Data Science and Machine Learning chapter. This role facilitates the successful delivery of new AI Cloud-based solutions against our growing list of business use cases (involving complex Data Analytics, Machine Learning, and AI Agent based solutions). You will co-lead the new Data Science chapter with the RE&ILS Head of Data and help ensure its members provide Data Science capabilities and insights to support decision-making across RE&ILS strategic Value Streams. Whilst the chapter grows, you are expected to be hands-on actively helping to architect, design, and build AI or Data Science-based...
HISCOX
24 May, 2026
Full Time
Principal Machine Learning Engineer
HISCOX London, UK
Job Type: Permanent Build a brilliant future with Hiscox   Principal Machine Learning Engineer Location: London/York   Why Hiscox London Market Hiscox London Market sits at the centre of global specialist insurance, tackling some of the most complex and unusual risks in the world. These are not commoditised problems, they demand deep expertise, strong judgement, and increasingly, sophisticated data and machine learning capabilities. We have a strong track record of putting AI into real production use, from augmenting underwriting decisions to shaping future market standards through partnerships and market‑first innovation. This is an environment where advanced ML systems are expected to operate reliably, safely, and at scale, not remain in experimentation. You’ll join a culture that values technical excellence, ownership, and courage, where senior individual contributors are trusted to set direction, challenge thinking, and build platforms that matter. For a...
citi
24 May, 2026
Full Time
Production Engineering Manager
citi London, UK
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 . As an Engineering Manager you will improve the productivity of engineers, create effective reporting mechanisms, and ensure timely and budget-conscious completion of work within the Site Reliability Engineering (SRE) team. You will play a crucial role in driving operational excellence, fostering...
citi
24 May, 2026
Full Time
Senior Production Engineering Manager
citi London, UK
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 . As an Engineering Manager you will improve the productivity of engineers, create effective reporting mechanisms, and ensure timely and budget-conscious completion of work within the Site Reliability Engineering (SRE) team. You will play a crucial role in driving operational excellence, fostering...
citi
24 May, 2026
Full Time
Senior Automation Engineer, FX eTrading
citi London, UK
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. Role Overview The Senior Automation Engineer is a senior, hands-on role within the FX eTrading technology stack, responsible for owning backend automation capability, testing delivery, and release quality assessment for assigned applications or functional areas. The successful candidate will...
citi
24 May, 2026
Full Time
Senior Algo Trading Software Engineer (VP)
citi London, UK
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....
citi
24 May, 2026
Full Time
Algo Trading Software Engineer (AVP)
citi London, UK
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....
citi
24 May, 2026
Full Time
Junior Generative AI Application Developer
citi London, UK
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. We provide you with the knowledge and skills you need to succeed... We're committed to teaching you the ropes. For individuals starting their careers, we offer a supportive environment. Here at Citi, internal development paths are intended to help you build a broad skillset and accelerate your career...
citi
24 May, 2026
Full Time
Senior Backend Python Engineer -AI Platform, Vice President
citi London, UK
Are you looking for a career move that will put you at the heart of a global financial institution? We are seeking an exceptionally skilled Senior Python Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands-on individual contributor role demands expert knowledge of Python fundamentals, a profound understanding of software design principles, architectural patterns, and an unwavering commitment to writing clean, maintainable, and production-grade code that minimizes technical debt. Proficiency in FastAPI is a must. Prior experience in Generative AI development and its associated frameworks is a bonus. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/Role Overview The Credit Risk Technology team is at the forefront of leveraging...
citi
24 May, 2026
Full Time
Principal AI Software Engineer, Senior Vice President
citi London, UK
Are you looking for a career move that will put you at the heart of a global financial institution? We are seeking an exceptionally skilled Principal AI Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands-on individual contributor role demands expert knowledge of Python fundamentals, a profound understanding of software design principles, architectural patterns, and an unwavering commitment to writing clean, maintainable, and production-grade code that minimizes technical debt. Proficiency in FastAPI is a must. Prior hands-on expertise in Generative AI development and its associated frameworks is required. Hands-on experience and in-depth understanding of C++ is a significant bonus. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress....
citi
24 May, 2026
Full Time
Low Latency E-Trading Software Engineer
citi London, UK
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....
citi
24 May, 2026
Full Time
Java (Kotlin) Developer (Agile, Test-Driven) AVP
citi London, UK
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. Prime Brokerage Technology provides solutions that underpin the operations of our clients and traders that provide the foundation of our Prime Finance business. This is an area of great opportunity and is a major growth target for Citi – with technology providing the key to unlock this potential....
citi
24 May, 2026
Full Time
Java (Kotlin) Developer (Agile, Test-Driven) AVP
citi London, UK
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. Prime Brokerage Technology provides solutions that underpin the operations of our clients and traders that provide the foundation of our Prime Finance business. This is an area of great opportunity and is a major growth target for Citi – with technology providing the key to unlock this potential....
citi
24 May, 2026
Full Time
Java (Kotlin) Developer (Agile, Test-Driven)
citi London, UK
Java (Kotlin) Developer (Agile, Test-Driven) – VP 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 estate to...
arriva
24 May, 2026
Full Time
PSV Engineer - Nights
arriva Barking, UK
Join Arriva London as a PSV Engineer – Multiple Locations Available ! Arriva London is hiring PSV Engineers across all our London garages. If Stamford Hill isn’t convenient for you, don’t worry—apply anyway, and we’ll find a location that suits you best! Role Overview As a PSV Engineer, you will play a key role in keeping our fleet of London buses running smoothly. Your responsibilities will include: Maintenance and Repairs: Carry out planned maintenance, diagnostics, and reactive repairs. Fault Diagnosis: Identify and resolve issues promptly to keep buses operational. MOT Preparation: Prepare vehicles for MOTs and conduct thorough quality checks. What We Offer Competitive Pay: Dependant on experience Referral Bonus: Earn £500 for each friend you refer. Enhanced Overtime Rates: Earn more with overtime. Comprehensive Training: Gain certifications, including High Voltage, EV, and IRTEC accreditation. Free Travel: Complimentary travel on TFL...
arriva
24 May, 2026
Full Time
Skilled Night Bus Mechanic
arriva Enfield Garage, Enfield EN3 4HX, UK
Join Arriva London as a Skilled Night Bus Mechanic! Enfield Arriva London is seeking skilled and motivated PSV Engineers to fill full-time, permanent positions across our Enfield garage. We also have vacencies through London so take a look and apply. Role Overview: As a PSV Engineer, you'll be responsible for performing planned and preventative maintenance, diagnosing faults, and conducting reactive repairs on our fleet of London buses. You'll work to the high standards set by both Arriva and the DVSA (Driver & Vehicle Standards Agency). Key Responsibilities: Conducting fixed periodic servicing, maintenance, inspections, and repairs to meet Arriva and DVSA standards. Improving vehicle reliability through continuous maintenance and proactive repairs. Preparing vehicles for MOT, executing planned preventative maintenance, and conducting quality checks. Diagnosing vehicle faults and ensuring maintenance aligns with Arriva’s high standards. Candidate...
arriva
24 May, 2026
Full Time
Skilled Engineer
arriva Edmonton, London, UK
Join Arriva London as a Skilled Engineer and Help Power a Sustainable Future Are you an experienced engineer passionate about maintaining and repairing buses to the highest standards? Join Arriva London, where you’ll be part of a dedicated team ensuring reliable and sustainable transportation services across the capital. This is a fantastic opportunity for a skilled professional who takes pride in keeping London’s buses running smoothly and safely. What We’re Looking For To succeed in this role, you’ll need: Relevant Qualifications : PSV, HGV, or light vehicle maintenance and repair (minimum NVQ Level 2 or equivalent). We’ll also consider candidates with 5+ years of relevant hands-on experience if you’re not formally qualified. Full UK Driving License : Must have a valid UK driving license with no more than 6 points. PCV License : A PCV license is preferred, or you must be willing to obtain one. Medical Fitness : Ability to pass a PCV pre-employment medical....
arriva
24 May, 2026
Full Time
Running Shift Engineer
arriva Thornton Heath, UK
Running Shift Engineer! Hourly Rate anywhere from £22.47 – £25.51 Weekday Overtime: £29.21 – £33.16 (Time and a third) Weekend Overtime: £33.70 – £38.26 (Time and a half) At  Arriva UK Bus , we connect people and communities across the country, operating services from London to Liverpool, Birmingham to Bradford, and many more towns and cities in between. Every year, millions of journeys are made on our buses, helping people get to work, school, and the places that matter most. We are committed to delivering top-tier service to our customers and contributing to a greener, more sustainable future for the capital. Based at our Thornton Heath Garage , you’ll be responsible for maintaining, diagnosing, and repairing a fleet of London buses to ensure they stay in tip-top shape and keep our passengers safe. What Will You Be Doing? As a Running Shift Engineer , no two days will be the same! You’ll have the responsibility of: Performing servicing, inspections, and...
arriva
24 May, 2026
Full Time
Engineer
arriva 176 Ernest Ave, Norwood, London SE27 0DQ, UK
Join Arriva London as a Engineer and Help Power a Sustainable Future Are you an experienced engineer passionate about maintaining and repairing buses to the highest standards? Join Arriva London, where you’ll be part of a dedicated team ensuring reliable and sustainable transportation services across the capital. This is a fantastic opportunity for a skilled professional who takes pride in keeping London’s buses running smoothly and safely. What We’re Looking For To succeed in this role, you’ll need: Relevant Qualifications : PSV, HGV, or light vehicle maintenance and repair (minimum NVQ Level 2 or equivalent). We’ll also consider candidates with 5+ years of relevant hands-on experience if you’re not formally qualified. Full UK Driving License : Must have a valid UK driving license with no more than 6 points. PCV License : A PCV license is preferred, or you must be willing to obtain one. Medical Fitness : Ability to pass a PCV pre-employment medical....
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