Senior Python Developer Pythonawsreact Jobs in London, UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Investment Data Analyst: Governance & Platforms (Hybrid)

A leading investment organization in London seeks a Data Analyst to support decision-making through trusted data governance. In this hybrid role, you will manage data platforms and ensure data quality across investment teams. Candidates should have experience in investment management, strong analytical skills, a ...

Trading Systems Engineer Linux Infra & Automation

A leading quantitative trading firm is seeking a Trading Systems Engineer to manage its Linux infrastructure. The role involves deploying and configuring servers, automating operational tasks with Python or Bash, and optimizing system performance. Ideal candidates will have over 2 years of Linux experience, stro ...

Trading Data Ops Engineer: Real Time Data Reliability

A premier financial services firm in London is seeking a Data Engineer to serve as a frontline point of contact for traders and internal users. The ideal candidate has over 3 years of experience in data roles and strong Python skills. Responsibilities include managing data quality, developing ETL processes, and ...

Hybrid Live Sports Cloud Engineer (AWS & Video)

A leading broadcast solutions company based in London is seeking a Broadcast Cloud Engineer to ensure seamless video delivery for major sports events. You will work with AWS systems and collaborate with teams globally, requiring strong problem-solving and communication skills. The ideal candidate has experience ...

Research Engineer: Offline Contextual Bandits & RL Retail

A startup focused on hyper-personalisation in the UK seeks a Research Engineer to develop decision-making models for in-store retail using bandit and reinforcement learning approaches. Candidates should have 3 to 5+ years of experience in machine learning, strong Python skills, and relevant educational backgroun ...

Freight Market Analytics Specialist

A global energy company is seeking experienced candidates for a Freight Trading Analytics role in Greater London. The successful candidate will conduct freight market analysis and develop actionable insights for trading strategies. Requirements include a relevant degree, proficiency in data modeling and analysis ...

EU Market Surveillance Analyst — Data & Compliance

A global trading firm in Greater London seeks a Surveillance Analyst to join their Compliance team. This role involves monitoring trade activities for market abuse, configuring alerts, and ensuring compliance with EU and UK regulations. Candidates should have a Bachelor’s degree in Finance or STEM, at least thre ...

Senior Reliability Engineer: Financial Network & Latency

A financial technology leader in Greater London is seeking a Manager to oversee network operations and ensure reliable connectivity for critical trading platforms. The ideal candidate will have significant experience with networking technologies, including Cisco and Palo Alto, and possess strong scripting skills ...

Lead Data Scientist — End to End Data Platform (London)

A rapidly scaling technology company in London seeks a Lead Data Scientist to own the data ecosystem and enhance operational decision-making. You will design, build, and scale the company's data capabilities while collaborating with product and engineering teams. Strong skills in Python, SQL, and data platform d ...

Lead Data Scientist — AI/Computer Vision & LLMs (Hybrid)

A pioneering technology company in London seeks a Lead Data Scientist to shape their AI roadmap and develop innovative AI models. You will guide the data science efforts and lead projects focused on computer vision and generative AI. Ideal candidates will have a strong background in machine learning, statistical ...

Korean Speaking Data Analyst: Dashboards & AI Evaluation

A leading technology consulting firm in the UK seeks a Data Analyst with Korean language expertise. This hybrid role combines technical data analysis with cultural insights. Responsibilities include building dashboards, identifying trends in data, and developing evaluation frameworks. Candidates should have a Ba ...

Frontend Engineer & AI Coding Trainer

A technology training company in London is seeking an AI Chatbot Coding Trainer. The role involves helping to train chatbots to code. Candidates should be fluent in English, proficient in Python and/or JavaScript, and possess a bachelor’s degree. Strong writing and grammar skills are necessary, along with expert ...

Crypto Research Analyst – On Chain & Market Data

A leading crypto research platform is seeking a Research Analyst to conduct detailed research on blockchain protocols and exchange markets in London. The ideal candidate will have a strong crypto-native background and be proficient in SQL and Python. Responsibilities include producing high-quality written resear ...

Portfolio Analytics Engineer – Quantitative Risk & Pricing

A leading global investment bank in London seeks a Quantitative Engineering Analyst/Associate to enhance decision-making through advanced analytics and risk management solutions. Candidates should have a strong quantitative background, programming skills in C++, Java or Python, and the ability to thrive in a fas ...

Low Latency Trading SRE Real Time Systems

A leading trading firm in London is seeking a Site Reliability Engineer to optimize mission-critical trading systems. The ideal candidate has 1-5 years of experience, a background in financial services, and solid skills in Linux, Kubernetes, and Python. You'll support traders, ensure system reliability, and driv ...

Production Support Engineer Trading Ops (Hybrid, London)

A financial services firm in London is seeking a skilled Production Support Engineer to ensure the seamless execution of daily trading operations. This role requires extensive experience in SQL and Python, along with a strong understanding of market data. The position offers a hybrid work pattern with four days ...

Low Latency Software Engineer for Trading Systems

A global trading firm in Greater London seeks a Software Engineer to join their technology team. This role involves designing, developing, testing, and deploying proprietary software for trading strategies and risk analysis. Candidates should have at least 2 years of experience in Java, C++, and Python, along wi ...

Fullstack Engineer: Build AI Driven Data Tools

A leading technology company in London is looking for a Fullstack Software Engineer to join their team. The successful candidate will develop tools for data integration and visualization while optimizing machine learning models. Strong experience in Java and Python, paired with an interest in AI technologies, is ...

Platform Engineer: Scalable Cloud & Data Platform

A climate technology company in Greater London is seeking a Platform Engineer to design and improve cloud infrastructure. This role requires deep AWS and Terraform expertise to enhance team productivity and ownership of end-to-end processes. Candidates should have strong Python skills and a solid understanding o ...

Graduate Robotics Engineer: Space Robotics & ROS

A leading NewSpace firm in Greater London is seeking a Graduate Robotics Engineer to develop advanced robotic systems for satellite services. The role involves integrating collaborative robotic arms and deploying motion planning algorithms using ROS and MoveIt. Candidates should have strong hands-on experience w ...

Backend Engineer Cloud FinTech Microservices

A leading fintech company in Greater London seeks a Back End Engineer to develop their Vault product. You will design and implement microservices while working collaboratively with engineering teams. Ideal candidates have experience in Python or Golang, automated testing, and knowledge of banking. This role offe ...

Senior Research Software Engineer Multiphoton Brain Imaging

A prestigious research institution in London seeks a research software engineer to develop algorithms for processing functional brain imaging data. The role involves building efficient software solutions to aid neuroscience research. Ideal candidates should have strong programming skills in Python and experience ...

Product Engineer: Fintech for Fertility Financing

A growing fintech company in London seeks a Product Engineer to join a mission-driven team focusing on insurance-backed financing for IVF. You will be responsible for designing and building scalable software for financial processes, working collaboratively across various teams to enhance product features using m ...

Strategic Data Architect & Insights Leader

A leading marketing technology company is seeking a Lead Data Strategy Consultant to manage analytics delivery for clients in London. You will analyze data to provide insights and support data-driven growth strategies. Ideal candidates should have a degree in an analytical field, 3-5 years of relevant experience ...

VP, Quantitative Trading & Research Equity eTrading

A leading financial services firm is seeking an Associate/Vice President in Quantitative Trading & Research to develop sophisticated models for optimal electronic trading solutions. The role involves analyzing large datasets, enhancing algorithmic execution strategies, and validating methodologies. Ideal candida ...

Trading Systems Engineer: Build Resilient, High Impact Market Tech

A diversified trading firm is seeking a Trading Systems Engineer to join their Cumberland team in London. This role involves working alongside trading, infrastructure, and software development teams to address complex technical challenges. Candidates should have a Bachelor’s degree in STEM, 2+ years of financial ...

Embedded Trading Tools Engineer — Frontline Desk

A trading firm in Greater London is seeking Software Engineers to enhance trading tools and systems. The role involves direct collaboration with trading desks and takes advantage of multiple programming languages, including Python, Java, C++, and Typescript. Candidates should have at least 2 years of experience ...

Data Quality & Analytics Analyst Finance

A leading quantitative finance firm in Greater London seeks a Data Analyst to ensure data integrity and improve workflows. The role demands strong SQL and Python skills, responsible for owning daily data quality and leading root cause analysis on incidents. Ideal candidates will excel in stakeholder communicatio ...

Computational Scientist Process Modeling for Clean Fuel

A synthetic fuel company is seeking a computational scientist to develop process models for their Direct Air Capture technology. This role requires 3–7 years of relevant experience and proficiency in tools like MATLAB and Python. The successful candidate will work cross-functionally, supporting the scale-up of i ...

Senior Application Security Engineer — Build Secure SDLC & Guardrails

An innovative Ed-Tech company in Greater London is seeking an experienced Security Engineer to own application and product security. You will partner with engineering teams, lead threat modeling, and enhance secure development processes. The ideal candidate should have strong experience in Python/Django and a so ...

Backend Engineer in London LA International Computer Consultants Ltd

Staff-Level Full-Stack Software Engineer Location: 108 E 16th Street, New York, NY 10003 Salary: £130,000 - 143,000 per year Requirements: Strong experience building secure, scalable backend systems in Python and/or Go Deep understanding of contai ...

Principal Engineer & Tech Lead — Tech for Good

Stars Arena is looking for a skilled tech lead to manage projects, solve complex problems, and drive technical excellence. Ideal candidates should have strong programming skills, preferably in Python, and a solid background in software engineering. Experience in Architect, Principal, or Staff Engineer positions ...

Graduate ML Engineer — London, Fast Paced AI Growth

Compare The Market is seeking a Graduate Machine Learning Engineer in London to join its dynamic team. The role involves collaboration with experienced ML Engineers to productionise models and enhance machine learning workflows. The ideal candidate will have relevant academic experience in Python and d ...

SRE: Scalable Cloud Systems Engineer

Golang Works is looking for a Site Reliability Engineer (SRE) to support and enhance existing services, platforms, and application stacks. The ideal candidate must have proven ability to write programs in high-level languages like Java, Go, Python, or Perl. A Bachelor’s degree in Computer Science or a related fi ...

Site Reliability Engineer | Cloud Automation & DevOps

WorksHub is seeking a DevOps Engineer/Site Reliability Engineer in London, United Kingdom. The ideal candidate has a background in Computer Science and experience with orchestration tools and programming languages like Python, Go, and Node.js. This full-time role offers a competitive salary and the opportunity t ...

Senior Pipeline Engineer – VFX & Animation

Qualifications Expert proficiency in Python. Strong experience with other languages such as C++ and JavaScript is a plus. Deep understanding of software development best practices including version control (Git), testing, CI/CD, and containerization. Preferred Experience Experie ...

Senior Data Platform Engineer Cloud Scale Data Pipelines

Deepstreamtech is looking for a Data Engineer in Greater London to work with the Data Science team on developing robust data pipelines for analytics and machine learning tools. The role involves leveraging AWS technologies like EMR, S3, and SageMaker while ensuring data governance and protection of sensitive inf ...

Staff Software Engineer in London Booksy

Skills Proficient in Python/Java programming, with a comprehensive understanding of advanced features and best practices. Experience in JavaScript/TypeScript and modern web frameworks (preferably Vue.js). Extensive experience with PostgreSQL database management system. ...

Test Automation Engineer Data Platform for Trading (UAE)

Phi Partners in Greater London seeks a test automation specialist to support a premier sovereign wealth fund's low-latency trading platform. Your responsibilities include defining and executing test strategies, automating data quality checks, and verifying production incidents. Ideal candidates will have experti ...

Data Platform Lead: Modernise, Govern & Scale Analytics

twentyAI is looking for a Data Lead to oversee its internal data platform, ensuring governance and operational excellence. The role involves managing data pipelines, modernizing data architecture, and working closely with stakeholders to ensure data quality and accessibility. Key qualifications include strong ex ...

Murex Environment Automation Consultant

Stars Arena is seeking a Murex Environment Management Consultant for a full-time position in London, UK. The role involves managing cloud-based environments and utilizing CI/CD tools like GitLab CI. Candidates should be well-versed in scripting languages such as bash, Python, and Perl on Linux RHEL to automate o ...

Front Office Trading App Engineer Automation

A leading recruitment firm is looking for an experienced Application Support Engineer in London. This role involves supporting front office trading systems with a focus on automation. The ideal candidate must have strong scripting skills in Python and a solid understanding of Linux OS. Competitive salary up to £ ...

Pricing & Promotions Analytics Lead

Sainsbury's Supermarkets Ltd is looking for a Lead Analyst at their London Store Support Centre. This role involves leading complex analytical projects, mentoring junior analysts, and implementing advanced analytical solutions. The ideal candidate should have expertise in SQL and Python, strong stakeholder manag ...

Hybrid Data Engineer: Snowflake/Snowpark Pipelines

A global lifestyle brand is seeking a motivated Data Engineer to join their customer data science team. This role involves designing and maintaining data pipelines, collaborating with data scientists, and ensuring data quality. The ideal candidate has strong skills in Python, Snowflake, and data orchestration, a ...

Quantitative Analyst (Credit Signals) – Flexible Working

CFA Institute is looking for a Quantitative Analyst in Cannon Street, London. The successful candidate will focus on developing quantitative models and supporting credit strategies. You'll need a BSc or MSc with strong knowledge of statistics and quantitative investing, along with programming skills, particularl ...

Growth Data Scientist — Remote Europe, Flexible Hours

Nivoda Limited, located in Greater London, seeks a Data Scientist, Growth to build models and decision systems that enhance company performance. This role prioritizes strong skills in Python and SQL alongside extensive experience in data science. You'll drive growth by identifying customer opportunities and supp ...

Fraud Risk Data Scientist – Real Time Analytics

LexisNexis Risk Solutions is seeking a Data Scientist in London to enhance fraud detection capabilities through machine learning and data analysis. You will leverage vast datasets to implement models that protect against fraud in financial services, utilizing SQL and Python. Candidates should have experience in ...

Senior FPGA Design Engineer Low Latency Trading

Maven Securities, a top proprietary trading firm in Greater London, seeks an FPGA engineer to enhance trading systems. The role involves working closely with traders and technologists to leverage FPGA capabilities for competitive advantage, necessitating over 5 years in FPGA and strong problem-solving skills. Be ...

Data Science Manager – Global Logistics Optimisation

Ocado Technology Group is seeking a Data Science Manager to lead the Autoplanner team in logistics. You will develop AI systems that integrate planning across global warehouses while maximizing profit and minimizing lateness. A strong background in data science and Python is essential. The role offers hybrid wor ...

Senior Associate, Advanced Treasury Analytics

A leading global financial services firm in Greater London is seeking an Associate in Advanced Treasury Analytics. The role involves maintaining analytical tools, collaborating on innovative solutions, and analyzing data to inform treasury management. Ideal candidates will have a strong quantitative background, ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Senior Python Developer Pythonawsreact Jobs in London Job Search Guide, Trends and Insights