46,144 London jobs
Open tech roles based in London.
Greenfield MFT Quant Developer (Python/C++)
Builds a greenfield MFT equities trading platform in London, designing and implementing execution algorithms within TWAP/VWAP infrastructure using Python and C++. Hybrid role: three days in the office, two days remote, with bonus and benefits.
Senior Python Backend Engineer, FinTech & Microservices
Hunter Bond seeks a Senior Python Backend Engineer in London (on-site) to design, build, and maintain production-grade services for sophisticated financial platforms, tackling concurrency and scalability challenges alongside engineers and financial specialists. Core stack: Python, SQL, microservices, distributed systems.
Senior Backend Engineer, Clinical Automation – London Equity
Senior Backend Engineer (onsite, London) at Asterix Health building DoctorOS, an AI platform that augments clinicians. The role owns bots, data pipelines and backend services for clinical automation, ensuring safety and auditability and integrating with NHS GP systems, choosing between low-code RPA and code-first automation.
Senior Backend Engineer - Clinical Automation (Rpa)
Senior backend engineer who owns the automation layer connecting NHS GP systems (EMIS Web, SystmOne, Docman) to Asterix Health's DoctorOS clinical AI platform — building Python backend services and AWS/Supabase data pipelines, running and evolving RPA bots (UiPath/Playwright), and ensuring clinical safety and reliability. Onsite in Shoreditch, London.
Enterprise Java Backend Engineer | Hybrid London
SoftwareSearch is hiring a Java consultant on a hybrid, fixed-term contract in London to design and build enterprise-grade Java backends and REST APIs for client projects in regulated environments, working hands-on and collaborating closely with client teams and stakeholders.
Senior Backend Engineer
Senior backend engineer on Teya's ePOS team, building and owning a critical backend service for merchants across Europe — designing, developing and operating scalable, well-tested Java/Spring Boot microservices with Kafka, while mentoring other engineers and raising team standards.
Backend engineer for beauty and wellness businesses
Staff Backend Engineer at Fresha, an AI-powered operating system for beauty and wellness businesses, based in London. A heavily hands-on technical leadership role: owning architecture for a tribe, delivering cross-team initiatives, and driving stability, performance and scalability during a migration to microservices, with serverless, SQS, CI/CD and AI-augmented engineering workflows.
Python Software Engineer
An elite quantitative trading firm in London seeks Python engineers to build high-performance backend systems at the core of its multi-asset trading operations, working closely with quants and traders. Requires 4+ years of Python, ideally from banking/hedge-fund backgrounds, plus financial markets knowledge.
VP Java Tech Lead — Data Lake & AI Platform
Nomura is seeking a Java Technical Software Engineering Lead at Vice President level in London. This role sits in Wholesale Data Technology and leads data acquisition within the AI Labs/Data Lake platform. You will…
python developer in fintech
A London fintech firm is hiring a Python developer to design, build, and optimise production-grade backend services, microservices, and distributed systems that process large volumes of complex financial data. Requires 4+ years of commercial Python experience; compensation up to £200,000 including discretionary bonus.
Python developer in commodities
Python developer at a ~$10B AUM investment management fund in London, building and maintaining the research environment and live trading stack for systematic commodities/fixed income strategies — data pipelines, pricing, order execution, and risk/back-office integration. Requires 3-5 years of Python; pays up to £140k base + 40%+ bonus.
Hands-On Frontend Engineering Manager (React/TS) – Remote
Pigment is hiring a hands-on Engineering Manager for frontend who spends ~80% of the time designing, coding, and shipping production features and ~20% coaching engineers and running 1:1s, building sophisticated frontend experiences in React/TypeScript.
iOS Tech Lead (SwiftUI) – Hybrid London
Lead a mobile engineering team in London (hybrid) as an iOS Tech Lead, owning delivery of a customer-facing iOS app while staying hands-on with Swift and SwiftUI. The role blends team leadership with hands-on coding and collaboration across Product, Design, and Engineering.
Senior React Developer
Senior React Developer at CGI building intuitive, scalable React applications for clients. Hybrid role with a few trips a month to the Glasgow office, working within a collaborative team to deliver digital solutions.
Account Executive, Logistics
Altana is the network for trusted trade. Our AI-powered product network empowers governments and businesses to build a more resilient and secure global economy while keeping trade flowing. The Opportunity at Altana As…
EMEA/APAC Director, Economic Community and Workforce
As Director, Economic Community and Workforce Development (WFD), you will combine your market and tech industry knowledge to support Google's infrastructure growth. You will build and execute economic development…
Product Manager, GDM Robotics, DeepMind
Product Manager on Google DeepMind's Robotics team who defines product strategy, requirements, and roadmaps for robotics models and platform capabilities. Day to day involves partnering with research scientists and engineers, setting safety and evaluation benchmarks, running early deployments, and leading launches with internal and external partners.
Data Center Network Operations Engineer – Hybrid
Data Center Network Operations Engineer at Cloudflare maintaining the company's global network across colocation facilities — working with SRE and network teams on deployment, migration, automation and a 24×7 on-call rotation. Core stack: Juniper/Cisco/DWDM hardware, Linux administration, JIRA, with scripting in Bash, Python or Go.