126 to 150 of 705 Senior Jobs in the City of London

Job: Senior eFX Java Developer - Low Latency London, UK Hybrid working – 3 days on-site Full Time Overview This is a high-profile role working on the eFX Algo IT team. The team develops the pricing, hedging and low latency order and price distribution team systems for the eFX desk. The team consists of Java and C# developers, developing server More ❯

SENIOR DATA ANALYST UP TO (£85,000) LONDON - Hybrid We’re looking for a Senior Data Analyst to work with a rapidly growing start up operating within the green tech space. THE ROLE AND RESPONSIBILITIES: This senior data role is focused on leading strategic, high-impact analytics initiatives that translate complex business challenges into data-driven insights and solutions. The More ❯

Senior Software Engineer/Developer (Data) London/WFH to £115k Global-leading FinTech is seeking a Senior Software Engineer to take ownership of a new team responsible for data focussed strategic enhancements on their core platform. The organisation is a pioneer in the field of cross-asset securities and derivatives post-trade processing technology and have created ground-breaking … and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders and deepen your finance experience. As a Senior Software Engineer, you'll work on strategic initiatives to develop integration and data migration strategies and tools to allow highly automated migration or integration between the PTP (Post Trade Processing … You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You're a data centric, Senior Software Engineer with a strong knowledge of modern software engineering best practices You have strong development experience with C#, C++ or Python You have advanced SQL database knowledge (they use More ❯

team, where youll work on our low latency, high-frequency trading platform. You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, youll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members of the team, driving innovation in a fast-paced, high More ❯

with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. Portfolio We would More ❯

with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. Portfolio We would More ❯

high-performing team responsible for designing, building, and optimising scalable, cloud-based data platforms that drive business intelligence, AI innovation, and data-informed decision-making across the firm. This senior role combines hands-on technical expertise with strategic leadership, offering the opportunity to define the data vision and enable meaningful business transformation. Key Responsibilities Lead the design and implementation of More ❯

high-performing team responsible for designing, building, and optimising scalable, cloud-based data platforms that drive business intelligence, AI innovation, and data-informed decision-making across the firm. This senior role combines hands-on technical expertise with strategic leadership, offering the opportunity to define the data vision and enable meaningful business transformation. Key Responsibilities Lead the design and implementation of More ❯

SENIOR CUSTOMER INSIGHT ANALYST UP TO £80,000 LONDON The Company: Join a fast-growing, data-driven organisation that has recently undergone a major analytics transformation, embedding insight and data science into the heart of its decision-making process. The central Analytics team partners with marketing, commercial, product, and finance teams to deliver high-impact insights and drive strategy across … Role: You’ll work within the central analytics team, using deep-dive analysis and data visualisation to deliver actionable insights and recommendations that drive business growth. Working closely with senior leaders, you’ll be a key player in enabling a data-driven culture and helping to shape the strategic direction of the business. Key responsibilities include: Delivering deep-dive analytics … to investigate business challenges and identify growth opportunities Acting as a subject matter expert for customer insight, producing recommendations that influence commercial and marketing strategies Partnering with senior leadership, including C-suite, to drive key initiatives forward Integrating online and offline data sources to create a 360° view of customer behaviour Collaborating with data scientists on model development, including churn More ❯

SENIOR CUSTOMER INSIGHT ANALYST UP TO £80,000 LONDON The Company: Join a fast-growing, data-driven organisation that has recently undergone a major analytics transformation, embedding insight and data science into the heart of its decision-making process. The central Analytics team partners with marketing, commercial, product, and finance teams to deliver high-impact insights and drive strategy across … Role: You’ll work within the central analytics team, using deep-dive analysis and data visualisation to deliver actionable insights and recommendations that drive business growth. Working closely with senior leaders, you’ll be a key player in enabling a data-driven culture and helping to shape the strategic direction of the business. Key responsibilities include: Delivering deep-dive analytics … to investigate business challenges and identify growth opportunities Acting as a subject matter expert for customer insight, producing recommendations that influence commercial and marketing strategies Partnering with senior leadership, including C-suite, to drive key initiatives forward Integrating online and offline data sources to create a 360° view of customer behaviour Collaborating with data scientists on model development, including churn More ❯

Senior DevOps Engineer London (Hybrid) Day Rate - £500 We’re seeking a Senior DevOps Engineer to join a major cloud transformation programme for a global logistics and maritime services organisation. This role sits within a high-performing engineering team responsible for migrating core systems and services to the cloud a key strategic initiative that drives scalability, resilience, and global efficiency. … Python Implement monitoring, alerting, and scaling strategies to ensure operational excellence Collaborate across teams to ensure seamless migration and minimal disruption What You’ll Bring Proven experience in a Senior DevOps or Cloud Engineering role Strong hands-on knowledge of Terraform and Kubernetes Demonstrated experience with cloud migrations or large-scale infrastructure modernisation projects Proficiency in at least one major More ❯

Senior DevOps Engineer London (Hybrid) Day Rate - £500 We’re seeking a Senior DevOps Engineer to join a major cloud transformation programme for a global logistics and maritime services organisation. This role sits within a high-performing engineering team responsible for migrating core systems and services to the cloud a key strategic initiative that drives scalability, resilience, and global efficiency. … Python Implement monitoring, alerting, and scaling strategies to ensure operational excellence Collaborate across teams to ensure seamless migration and minimal disruption What You’ll Bring Proven experience in a Senior DevOps or Cloud Engineering role Strong hands-on knowledge of Terraform and Kubernetes Demonstrated experience with cloud migrations or large-scale infrastructure modernisation projects Proficiency in at least one major More ❯

Job Title: Senior Data Scientist – Financial Domain Location: UK Remote Experience: 10+ years About the Role We’re seeking an experienced Senior Data Scientist with a strong background in the financial domain to deliver actionable insights that drive data quality, operational efficiency, and sales performance. This role focuses on analyzing structured and unstructured financial data to provide high-impact insights … in data wrangling, statistics, and algorithmic problem solving . Experience handling structured and unstructured data from enterprise systems (Oracle, SAP, Salesforce). Excellent communication skills and ability to influence senior stakeholders through data storytelling. Strong understanding of data ethics, governance, and accuracy principles . Preferred Qualifications Domain expertise in Financial Services, Banking, or Capital Markets . Exposure to predictive analytics More ❯

Senior C++ Software Engineer London Join a pioneering team developing advanced software for secure, high-performance communications. This is an opportunity to contribute to technology that supports public safety, defence, and government operations, working within an organisation that combines the innovation of a start-up with the stability of a globally established leader. You’ll play a hands-on role … meets performance, reliability, and security standards. You’ll have the freedom to innovate and the responsibility to deliver technology that has real-world impact. What's required for this Senior C++ Software Engineer position? Strong C++ development skills Background in mission-critical or telecommunications software Familiarity with Motorola DCS, CADI, or similar system interfaces Strong grasp of IP, TCP/ More ❯

Senior C++ Software Engineer London Join a pioneering team developing advanced software for secure, high-performance communications. This is an opportunity to contribute to technology that supports public safety, defence, and government operations, working within an organisation that combines the innovation of a start-up with the stability of a globally established leader. You’ll play a hands-on role … meets performance, reliability, and security standards. You’ll have the freedom to innovate and the responsibility to deliver technology that has real-world impact. What's required for this Senior C++ Software Engineer position? Strong C++ development skills Background in mission-critical or telecommunications software Familiarity with Motorola DCS, CADI, or similar system interfaces Strong grasp of IP, TCP/ More ❯

Senior Marketing Analyst London - Hybrid Up to £90,000 + Benefits The Company A truly unique opportunity to join a mission-led global organisation combining conservation and luxury travel. This company is transforming how travellers engage with nature - while safeguarding biodiversity and empowering local communities. Analytics sits at the heart of this ongoing transformation. The Role As a Senior Marketing … Analyst, you’ll be the go-to expert for building and scaling the marketing analytics function from scratch. Sitting within the London team, you’ll work with senior stakeholders to define KPIs, develop dashboards, and turn complex data into actionable insights that drive growth across channels (paid & organic search, social, email). You’ll own the analytics roadmap – from data More ❯

Senior Data Analyst - London - £85-90K - Investment Management/Asset Management Power BI/MS Fabric/SQL/Python # A Senior Data Analyst is required to join an Investment Management client in London. Ideally you will have have Investment or Asset Management experience. We’re looking for someone who brings the following skills and experiences: Microsoft Fabric More ❯

Senior Data Analyst - London - £85-90K - Investment Management/Asset Management Power BI/MS Fabric/SQL/Python # A Senior Data Analyst is required to join an Investment Management client in London. Ideally you will have have Investment or Asset Management experience. We’re looking for someone who brings the following skills and experiences: Microsoft Fabric More ❯

Senior Data Analyst – Green Tech £70,000 – £80,000 + Benefits Monument, London (Hybrid – 3 days onsite) The Company Join one of the UK’s most exciting green tech businesses — a high-growth, private equity-backed company transforming the EV charging landscape. With thousands of charging points live and major new contracts underway, they’re doubling down on data to … drive smarter, more sustainable decisions across the board. The Role This is a hands-on Senior Data Analyst role with real influence and ownership. You’ll report to the Head of Data and lead one Analyst, shaping how data informs strategy, performance, and pricing decisions across the business. You’ll get stuck into: Forecasting and time series modelling to support … demand and operational planning Dynamic pricing and revenue optimisation to boost profitability Translating complex datasets into clear, actionable insights for senior stakeholders Collaborating across operations, finance, marketing, and energy teams to embed data-driven thinking Helping scale analytics capability as the team and data footprint grow This is the perfect mix of strategy and hands-on analytics — your work will More ❯

Senior Data Analyst – Green Tech £70,000 – £80,000 + Benefits Monument, London (Hybrid – 3 days onsite) The Company Join one of the UK’s most exciting green tech businesses — a high-growth, private equity-backed company transforming the EV charging landscape. With thousands of charging points live and major new contracts underway, they’re doubling down on data to … drive smarter, more sustainable decisions across the board. The Role This is a hands-on Senior Data Analyst role with real influence and ownership. You’ll report to the Head of Data and lead one Analyst, shaping how data informs strategy, performance, and pricing decisions across the business. You’ll get stuck into: Forecasting and time series modelling to support … demand and operational planning Dynamic pricing and revenue optimisation to boost profitability Translating complex datasets into clear, actionable insights for senior stakeholders Collaborating across operations, finance, marketing, and energy teams to embed data-driven thinking Helping scale analytics capability as the team and data footprint grow This is the perfect mix of strategy and hands-on analytics — your work will More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact More ❯

SENIOR COMMERCIAL ANALYST – GLOBAL MEDIA BRAND UP TO £53,000 LONDON – HYBRID A leading global media and brand consultancy is hiring a commercially focused analyst to own insight and reporting across sales, pricing, and marketing. This is a high-impact role with direct exposure to senior stakeholders and a chance to shape performance across a multi-billion-dollar business. THE More ❯

SENIOR COMMERCIAL ANALYST – GLOBAL MEDIA BRAND UP TO £53,000 LONDON – HYBRID A leading global media and brand consultancy is hiring a commercially focused analyst to own insight and reporting across sales, pricing, and marketing. This is a high-impact role with direct exposure to senior stakeholders and a chance to shape performance across a multi-billion-dollar business. THE More ❯

About the Job Senior Fullstack Engineer (React/.Net) – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions , is building “Your Shipping Analytics Supercomputer” , providing cutting-edge data visualisation and dynamic dashboards for … high-velocity business & artificial intelligence. About the Role As a Senior Full-stack Engineer , you’ll play a key role in architecting and developing scalable, high-performance web applications that bring complex data to life. Working across both frontend (React, TypeScript) and backend (.NET Core, C#) technologies, you’ll collaborate with product, design, and data science teams to create seamless More ❯