2,326 to 2,350 of 4,706 Python Jobs in London

Senior Mobile Security Developer - Contract (Inside IR35)

Location
Greater London, England, United Kingdom
/iOS development, secure development practices, DevSecOps tooling, testing, and automation frameworks. Development & Reverse Engineering: Familiarity with C, Java, Kotlin, Objective-C, Swift, JavaScript, Python or Bash, and ideally ARM/ARM64 assembly. Security Research: Awareness of emerging security technologies, Cloud security, and developments in mobile operating systems, APIs, tools ...

Senior QA Automation Engineer - AI

Location
Greater London, England, United Kingdom
plans, evaluation frameworks, and quality metrics designed specifically for LLM-powered applications and agentic workflows. Develop robust, end-to-end automated test suites in Python across evaluations, API checks, UI checks, and performance tests. Create automated prompt testing systems and regression suites to proactively detect unintended changes in model behaviour. ...

Java Sr Lead eSoftware Engineer - Equities Algo Trading - VP

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
capabilities, and skillsExperience with FIX, Market Data, Analytics and OMSMarket microstructure knowledge Equities, FX, options, derivatives asset class knowledgeJupyter/Pandas, KDB+/Q, Python, shell scripting J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy ...

Principal Product Data Scientist

Hiring Organisation
TripAdvisor
Location
London, UK
Employment Type
Full-time
similar quantitative role, with a proven track record of supporting and influencing a product organization. Technical & Modeling Expertise: Expert Level proficiency in Python and SQL. Deep, hands-on experience with statistical modeling, (quasi) experimentation, multi-arm bandit, and a wide range of machine learning techniques (e.g., Regression, Classification, Clustering).Product ...

Blue Yonder Technical Lead

Hiring Organisation
Unipart
Location
Church End, Greater London, UK
communication skills with the ability to translate complex technical concepts for non-technical business stakeholders and cross-functional teams Highly advantageous: Proficiency in Java, Python, or C#, and experience designing reports using iReports About Unipart We are a supply chain performance improvement partner. We Design, Make, Move, and Improve components ...

Senior Cloud Engineer - eDV

Location
Greater London, England, United Kingdom
services including networking, security and platform services Experience developing and managing Infrastructure as Code using Terraform Experience using scripting languages such as Python or Shell for automation activities Experience delivering cloud projects within secure, regulated or mission-critical environments Experience working within Agile delivery teams and collaborating with technical stakeholders ...

Senior Product Analytics Manager - Online Platforms

Location
Greater London, England, United Kingdom
prioritisation and scenario modelling. You’re proficient in SQL and know your way around data pipeline management tools such as Snowflake, dbt, Git, Airflow, Python and Lightdash. You’re comfortable owning analytics from data transformation through to actionable insights. You’re an expert at crafting dashboards and visualisations that bring ...

Lead Product Analyst

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
have: At least 6+ years of experience Strong analytical mind and product intuition, centered around the banking and financial industry. Technical skill-set in Python, advanced SQL, BI tools Experience working with technical teams (PMs, engineers, analysts) Relevant experience in a data driven and complex environment with limited guidance Understanding ...

Forward Deployed AI Engineer

Hiring Organisation
Palantir Technologies
Location
London, UK
Employment Type
Full-time
limited to Computer Science, Mathematics, Software Engineering, Physics, and Machine Learning. Strong coder with demonstrated proficiency in programming languages such as Python, Java, C++, TypeScript/JavaScript, or similar. Ability and interest in travelling up to 25%, as needed to client sites, but flexible based on personal preferences. Life ...

AI Apprenticeship Coach

Hiring Organisation
Forward Role
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£45,000
most of it: AI and automation tooling – Microsoft Copilot, Power Automate, APIs, RPA, production flows, logging and documentation Low-code development – GitHub Copilot, Python, the Microsoft Power Platform Organisational context – ethical AI adoption, organisational change, identifying productivity improvements, project and change management principles Governance and compliance – legal and regulatory frameworks ...

Principal Software Architect (UK)

Location
Greater London, England, United Kingdom
engineering experience, spanning cloud architectures, distributed systems, and edge environments. Strong proficiency in a mix of modern programming languages including C/C++, Golang, Python, Java, or Rust. Cloud‐Native & Infrastructure: Extensive hands‐on experience with cloud‐native orchestration and containerization frameworks (Kubernetes, Docker, Helm). Experience with infrastructure ...

SVP - GenAI Full-Stack Engineer Lead

Location
Greater London, England, United Kingdom
organisations in a hands‐on technical capacity. Strong software engineering expertise across modern languages and frameworks, including experience coding in one or more of: Python, Go, TypeScript, JavaScript or React. Experience delivering AI‐enabled or Generative AI solutions within enterprise environments. Experience building enterprise‐scale cloud‐native applications using Kubernetes ...

Lead Data Scientist

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
useful answer quickly, refine it iteratively, and know when the evidence is sufficient to support a decision. Strong SQL and Python skills, with experience working with large, complex and imperfect datasets. Strong grounding in statistical analysis (e.g., classical ANOVA, non-parametric uncertainty quantification, Bayesian estimation) and causal inference, with experience ...

Senior Software Engineer, Strategy Development

Location
Greater London, England, United Kingdom
investment bank). Proficiency in a high‐performance language (Golang/C++/Java/Rust) and experience with a data analysis language (e.g. Python). Demonstrable experience building pricing models or algorithmic trading strategies. Strong understanding of financial market concepts, market microstructure and common trading algorithms. Excellent quantitative ...

Senior Backend Engineers (Polyglot)

Location
Greater London, England, United Kingdom
Cleo, we have ~200 Engineers organised into Pillars Our stack spans a Ruby on Rails monolith, a single React Native (TypeScript) app frontend, Python for machine learning services, and PostgreSQL, all hosted on AWS and shipped through Kubernetes - backend goes out multiple times a week, app releases to Google ...

Quant Developer – Trading Analytics – Equity Derivatives Tech

Location
Greater London, England, United Kingdom
support customer flows and revenue generation. Develop reusable libraries, APIs, and AI agents that accelerate desk workflows. Skills required: Strong software engineering experience in Python and/or Java, building enterprise-grade, cloud-hosted systems. Proven experience working directly with trading desks to deliver mission-critical capabilities from concept through ...

Associate, Product Owner

Location
Greater London, England, United Kingdom
comparable role responsible for delivering software products. Recently completed a bachelor’s or master’s degree in a STEM field. Development experience with Python through projects or as a software developer is strongly preferable. Experience working alongside development teams, ideally within an Agile delivery environment. Core Competencies & Skills Detail‐oriented ...

Senior Software Engineer, Strategy Development

Hiring Organisation
Uphold
Location
London, UK
Employment Type
Full-time
investment bank).Proficiency in a high-performance language (Golang/C++/Java/Rust) and experience with a data analysis language (e.g. Python).Demonstrable experience building pricing models or algorithmic trading strategies. Strong understanding of financial market concepts, market microstructure and common trading algorithms. Excellent quantitative and analytical skills. ...

AI Outcome Customer Engineer

Location
City of Westminster, England, United Kingdom
role. Experience with technical delivery strategies and interfacing with product or engineering organizations. Experience in either system design or reading code (e.g., Java, C++, Python). Experience in system design or orchestration frameworks (e.g., LangGraph, AutoGen, CrewAI). Experience with enterprise integrations (APIs, enterprise content management (ECMs), identity), Cloud infrastructure ...

Application Security Consultant

Location
Greater London, England, United Kingdom
DevSecOps environments . The ability to read and understand code in at least one major language such as Java, C, C++, C#, Python or similar. Knowledge of secure software development lifecycles and shift-left security practices. Experience with threat modelling , such as STRIDE or similar approaches. Understanding of application ...

Senior Software Engineer, Payments & Incentives

Location
Greater London, England, United Kingdom
significant plus. You have a degree in Computer Science or an adjacent field (or equivalent nontraditional training). You are proficient in Go & Python or a similar modern language, or can demonstrate the ability to pick it up relatively speedily. You have experience designing and implementing APIs and microservices ...

LLM Engineer

Location
Greater London, England, United Kingdom
experience 5+ years of experience in software engineering, with a strong focus on AI and machine learning (ML). Expert-level proficiency in Python and deep learning frameworks, particularly PyTorch. Proven experience building and deploying applications with LLM APIs such as OpenAI, Anthropic, Gemini, and DeepSeek. Hands-on experience with ...

Quant Developer - Trading Analytics - Equity Derivatives Tech

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
support customer flows and revenue generation. Develop reusable libraries, APIs, and AI agents that accelerate desk workflows. Skills required: Strong software engineering experience in Python and/or Java, building enterprise-grade, cloud-hosted systems. Proven experience working directly with trading desks to deliver mission-critical capabilities from concept through ...

Staff Full-Stack Software Engineer, (Forward Deployed), GPS

Location
Greater London, England, United Kingdom
have: Masters or PhD in Computer Science or equivalent deep industry experience in architecting complex, distributed systems. 10+ years of full‐stack expertise across Python, Node.js, and React, with a proven track record of designing high‐scale architectures on Kubernetes and global cloud infrastructures (AWS/Azure/GCP). ...

Quant Developer in AI

Location
Greater London, England, United Kingdom
hand when needed and level up those around you. Experience requirements 1-5+ years building and operating serious institutional-scale systems. Fluency in Python or Typescript and a deep understanding of a least one of Rust, C++, Java or Golang. Solid core CS knowledge in data structures and algorithms ...