1 to 25 of 69 Senior Jobs in the City of London

Job Description: This position is project-based with an expected end date of December 31, 2026 . As we approach this date, we will collaborate with you to explore other employment opportunities within the Mars family of companies. If a More ❯

Full Stack Mobile Developer Tech : React Native, JavaScript, Android, iOS Why? start-up financial services, revolutionising the industry Location : Hybrid - 2 days in the office (Central London) Salary : £80,000 - £95,000 benefits Our Client A new UK-based financial More ❯

At WTW, we believe difference makes us stronger. We want our workforce to reflect the different and varied markets we operate in and to build a culture of inclusivity that makes colleagues feel welcome, valued and empowered to bring their More ❯

Full Stack Mobile Engineer Tech : React Native, JavaScript, Android, iOS Why? start-up financial services, revolutionising the industry Location : Hybrid - 2 days in the office (Central London) Salary : £80,000 - £95,000 benefits Our Client A new UK-based financial More ❯

Arthur are exclusively partnered with a leading London Markers (Re)Insurer going through a period of change & transformation, looking to utilise modern AI tools, to create efficiency's within their Data Work-flows & Finance Processes. This individual will support their More ❯

Finance Systems Specialist - £80k - £90k + Excellent Benefits Top Financial Services Firm - Central London The Opportunity My client, a well-established financial services advisory firm, needs a Finance Systems Specialist to join their Application Support function. This is a brilliant More ❯

Excellent opportunity for a passionate Quantitative Analyst to join an excellent client's team based in central London. The successful Quantitative Analyst will join a small but very talented team and will be expected to interpret, filter, and analyse very More ❯

Go Engineer/GoLang Engineer/AI Engineer/AI Developer/Software Engineer - Go We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. Are you ready More ❯

My global legal client is seeking an experienced Enterprise Architect who has proven leadership experience to oversee a team of architects and assist the principal architect manage the team globally. The successful candidate will be part of the global leadership More ❯

Market Intelligence Analyst - Criminal Justice & National Security Who we are GlobalData is a specialist information services business on a mission to help our clients decode the future, make better decisions and reach more customers. Using our unique data, expert analysis More ❯

Contract Opportunity: Network Engineer (Cisco & Arista) - Hybrid, London - Inside IR35 We're working with a leading tech-driven organisation seeking a Network Engineer to join their high-performing infrastructure team on a contract basis. Location: London (Hybrid) Contract Type: Inside More ❯

Senior Developer - London - Hybrid - £100,000 About the Role: A leading UK-based corporate finance advisory firm is seeking a Senior Developer to join its growing Technology & Innovation team. This is a fantastic opportunity for a driven developer to lead and execute cutting-edge tech strategies, working with AI tools and modern platforms to deliver impactful solutions across the business. More ❯

Our client, a fast-growing FinTech organisation delivering innovative digital financial solutions, is seeking a highly experienced Senior Software Engineer. This is a unique opportunity to join their dynamic tech team as they prepare to launch a brand-new mobile app in September 2025. The successful candidate will spearhead Python development, becoming the first permanent Python specialist within the business … Thrive in a fast-paced environment, managing multiple projects simultaneously. Collaborate with product managers, designers, and business stakeholders to translate requirements into technical solutions. What They Are Looking For: Senior-level experience (7+ years) in software engineering roles. Extensive experience with Python development. Proven experience contributing to mobile app development projects. Strong commercial experience with AWS cloud services and infrastructure. … supportive working environment. Opportunity to directly contribute to the launch of a major new FinTech mobile app and AI-driven solutions. Apply today to be considered for this fantastic Senior Software Engineer (Python) opportunity. Interviews are taking place shortly! Keywords: Senior Software Engineer, Python, AWS, CI/CD, Mobile App Development, C#, .NET, AI, Artificial Intelligence, Backend Development, FinTech, Hybrid More ❯

Are you an experienced tech recruiter and just want to get on with the job? Want to learn from proven billers, without being dragged to the office 5 days a week and asked about kpi's all day long We More ❯

Graduate Sales Development Representative (SDR) London (Hybrid) £35k base salary + £15k OTE (uncapped) Enticing benefits package! Are you a graduate ready to kick-start a high-growth career in sales? Our clienta fast-scaling, Series A tech companywants to More ❯

Senior C++ Software Engineer We are looking for a Senior C++ Software Engineer with extensive commercial software development experience using C++ ideally within the finance domain. What you will be doing: As a Senior C++ Software Engineer, you will be involved in: Analysis of user requirements and translation into solution design Estimating and breaking down tasks into manageable chunks Implementation More ❯

Senior Software Engineer Full Stack - AI Health Tech London, 2 days a week on site Up to £110,000 + Equity Looking to work on something meaningful? I'm currently helping a mission-led health tech start-up who are using AI to remove admin overload, freeing up doctors and clinicians to do what they do best: care. They're … tackling complex, data-heavy workflows with intelligent automation. The result? Faster decisions. Better care. Less burnout. And millions of lives already improved. They're looking for a Senior Full Stack Engineer to join our founding tech team and help scale the impact even further. What You'll Be Doing Take real ownership across the full development lifecycle - from idea to More ❯

I'm looking for a Senior hands-on Developer with Data Engineering and AI experience to join the newly established Technology and Innovation function of a successful Financial Advisory firm in London. It's a hybrid role, with 3 days per week in their Central London office to collaborate with your team and the wider business. Having recently embarked on … GPTs and Chatbots), drive automation to improve the efficiency of business processes, and extract better commercial insight from a range of data sources to inform decision-making. As a Senior member of this growing team, you'll be responsible for mentoring new-joiners, taking ownership of projects, and implementing best-practices. Their tech stack largely Microsoft focused (using Azure and More ❯

Senior Data Engineer MUST HAVE SNOWFLAKE, AWS, Salary - £70-80k with 15% bonus Hybrid working - couple of days in the office City of London We are looking for: Good understanding of data engineering principles A good technical grasp of Snowflake and automating it, and transforming complex datasets AWS Skillset Delivery experience Building solutions in snowflake implementing data warehousing solutions More ❯

I'm looking for a Senior hands-on Developer with Data Engineering and AI experience to join the newly established Technology and Innovation function of a successful Financial Advisory firm in London. It's a hybrid role, with 3 days per week in their Central London office to collaborate with your team and the wider business. Having recently embarked on … GPTs and Chatbots), drive automation to improve the efficiency of business processes, and extract better commercial insight from a range of data sources to inform decision-making. As a Senior member of this growing team, you'll be responsible for mentoring new-joiners, taking ownership of projects, and implementing best-practices. Their tech stack largely Microsoft focused (using Azure and More ❯

Senior Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer within the trading engine team you'll collaborate to design and develop … You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior Software Engineer/Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym … membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior Software Engineer/Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will More ❯

Our client, a leading and fast-growing Fintech in Blackfriars, London is looking for an experienced Senior Level Python Developer. They specialise in delivering cutting-edge solutions that are transforming the industry and making financial services more accessible and efficient. The company fosters a collaborative and forward-thinking environment where new ideas are encouraged, and every team member is valued. … growth. They also believe in maintaining a healthy work-life balance and encourage a collaborative team spirit throughout the organisation. Job Overview The client is seeking a highly skilled Senior Level Python Developer to join their dynamic team. In this role, you will design and develop high-quality software solutions and contribute to innovative fintech products. You will play a … up-to-date with the latest technologies and suggesting improvements for ongoing projects. Requirements Applicants should meet the following requirements: * Proven experience in Python software development (3+ years at Senior Level) * Strong development skills in Python and familiarity with frameworks/tools relevant to fintech. * Solid understanding of the software development life cycle and agile methodologies. * Strong problem-solving skills More ❯

Senior .Net Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior .Net Developer with strong Windows desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a Senior .Net Developer you will work on critical systems across … desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular. This is a senior, hands-on position, you'll collaborate with colleagues in the US and Canada and be the sole resource on these systems for the UK. Location/WFH: You'll join … and cloud computing You have excellent communication and stakeholder management skills You're degree educated in Computer Science or similar discipline What's in it for you: As a Senior .Net Developer/Software Engineer you will earn a competitive package: Salary to £140k + bonus Pension and Private Healthcare Hybrid working (x3 days in London office) Impactful role working More ❯

Senior Full Stack Engineer Salary £80k to £85k + Bonus and excellent pension/benefits Location: Central London About the client Our client is an infrastructure communications technology company providing end-to-end fibre solutions and now Cloud solutions, Wi-Fi, Firewalls/Security, SD WAN, Managed LAN and UC services for businesses and wholesale/carrier/channel organisations … across London. What you will do: We are looking for a Senior Full Stack Engineer to own end-to-end delivery of critical features, drive architectural excellence, and establish best practices. You ll work hands-on across React, Node.js, and Python services, own our CI/CD and DevOps processes, integrate with network-centric systems, and mentor the wider engineering More ❯

Senior Python Developer Quant Framework Build London (Hybrid) VP Level £150k + Bonus + Benefits Python Join a Global Leader in Capital Markets Technology. Are you a Python expert who has built quant trading platforms from the ground up? This is a rare opportunity to join a leading international capital markets organisation, renowned for its cutting-edge technology and fast … pivotal role in designing and delivering a new quantitative development framework, shaping the Python ecosystem that underpins trading, pricing, and risk across the front office. The Role As a Senior Python Developer (VP Level), you will: Lead the build of a brand-new Python-based quant development framework, owning its design, architecture, and tooling. Partner closely with teams in London More ❯