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

Full Stack Engineer (Hybrid) Remote Options & Growth

An innovative tech company in the UK is seeking a Full Stack Engineer to design and maintain their web platform. This hybrid role involves working with front-end and back-end technologies such as React and Python. The ideal candidate has over 3 years of experience in full-stack development, familiar with REST AP ...

DevOps Engineer AWS, CI/CD & Kubernetes (Hybrid)

A technology solutions provider is seeking a DevOps Engineer based in the Greater London area. The ideal candidate will have 3-5 years of hands-on experience in CI/CD, AWS, and automation. This hybrid position requires strong scripting skills in Python or Bash and extensive experience with container orchestratio ...

Agentic AI Engineer & Training Enablement

A tech solutions provider is seeking an AI Engineer focused on training and enablement. This role involves developing and maintaining diverse AI systems, mentoring junior engineers, and delivering technical training. Ideal candidates have 3+ years in relevant fields, strong Python skills, and experience in ML al ...

Finance Reference Data Operations Analyst

A leading financial services firm in Greater London is seeking a Data Operations Analyst to ensure the timely delivery of high-quality data to global Portfolio Managers. The ideal candidate will have a Bachelor's degree and over 3 years of experience in financial services, strong skills in SQL and Python, and a ...

Pricing Data Analyst: MI Dashboards & Insights

A leading insurance group in the UK is seeking a Data Analyst to join its actuarial pricing team. The role involves designing data visualization dashboards, supporting data management, and collaborating with underwriting teams. The ideal candidate will have a strong numerate degree, experience in data analytics, ...

Senior AI Deployment Lead – FinTech

A leading AI company for financial institutions seeks a Lead Forward Deployed Engineer to oversee AI deployments and technical delivery. The role requires over 6 years of engineering experience and strong skills in Python and SQL. Candidates will design solutions and mentor junior engineers, helping to drive imp ...

Low Latency Network DevOps Engineer

A diversified trading firm in Greater London is seeking a skilled DevOps Engineer to automate processes within their network team. You will design and implement CI/CD pipelines, develop tools for automation, and ensure security compliance. The ideal candidate should possess at least 5 years of relevant experienc ...

Senior AI Software Engineer Build AI Driven Tools

A leading financial technology firm in Greater London is looking to build a new software engineering team with a strong focus on applied AI. This role involves collaborating with cross-functional teams to gather requirements, designing scalable AI-driven products, and staying updated on technical advancements. C ...

Technical Data Lead — Remote First Growth Analytics

A music streaming service is seeking a Data Analyst to enhance data literacy within product teams and ensure accuracy in data tracking and analysis. The role involves building data pipelines, collaborating with marketing teams, and leading initiatives for data-driven decision-making. The ideal candidate has prof ...

Software Tools Engineer – Cross Platform Dev Tools

A prominent technology company in London is seeking a Software Tools Engineer to develop high-performance applications that facilitate innovative audio and electronics experiences. Successful candidates will have a strong programming background, particularly in Java and Python, a Bachelor's in Computer Science, ...

Forward Deployed Infra Engineer for Scalable Systems

A leading technology company is seeking a Forward Deployed Infrastructure Engineer to develop and maintain high-performance services for its platforms. This role involves deploying new products, troubleshooting complex systems, and automating operations. The ideal candidate will have a strong engineering backgro ...

Taiwanese Mandarin Data Analyst: Insights & Dashboards

A leading technology consulting firm in Greater London is seeking a Data Analyst with Taiwanese Mandarin expertise. This unique hybrid role requires deep technical data analysis skills combined with cultural insights. Responsibilities include providing language support, identifying trends in data, and building d ...

Senior Computational siRNA Design Lead

A biotech company in Greater London is seeking a highly experienced scientist to lead computational siRNA design and selectivity assessment efforts. The role involves collaboration with bioinformaticians, developing workflows integrating oligonucleotide chemistry, and conducting thorough analyses of off-target e ...

FICC Platform Engineer AI Driven Trading Infra

A leading global investment banking firm is seeking an FICC Engineer to develop software solutions for buying and selling financial instruments. Ideal candidates have a STEM degree, strong programming skills in Java or Python, and expertise in AI-assisted development. You'll work closely with traders and sales t ...

Equity Portfolio Engineer for ETFs & Index Investing

A leading investment firm in London is seeking an Equity Portfolio Manager/Engineer to manage index equity portfolios, focusing on trade implementation and client flow management. This role requires strong financial product knowledge, particularly in Equities and Fixed Income. The ideal candidate will possess an ...

Renewals Pricing Analyst Remote Insurance Analytics

A leading insurance firm is seeking a Pricing Analyst to join their Renewals team. This remote role focuses on optimizing pricing strategies through the use of advanced analytics and machine learning techniques. Candidates should have at least 2 years of experience in pricing or data analysis, and strong profici ...

Senior Software Security Engineer — Flexible Hours

A leading AI research organization in the UK is looking for a Software Security Engineer to enhance the security of AI systems. The ideal candidate will have strong programming skills in Python or a systems language, extensive experience in software engineering, and a passion for AI safety. This position offers ...

Applied Data Scientist — Flexible Hours & Customer Impact

A global data science leader is seeking an Applied Data Scientist in Greater London. The role involves applying machine learning to solve complex client problems and transform data usage in decision-making. The ideal candidate should possess strong programming skills in Python and SQL along with a degree in a re ...

AI Agent Architect for Financial Data Pipelines

A high-fidelity financial data startup in London is seeking a Data Scientist specializing in AI agents. You will manage a fleet of AI tools to transform unstructured financial PDFs into clean data for institutional clients. The ideal candidate has 1-5 years of experience in building production-grade data pipelin ...

Climate Data Scientist: Geospatial Risk Analytics

A leading technology provider is seeking a specialist in climate risks and data analysis to contribute to product development in sustainable finance. This role involves working with complex geospatial datasets and requires advanced analytical skills, including proficiency in Python and familiarity with climate m ...

Remote Detection Engineer: Cloud Security & Automation

A prominent Telehealth platform is seeking a Security Engineer specializing in Detection & Response. You will lead the detection and security operations, crafting detection rules and building telemetry pipelines. Responsibilities include threat modeling, contributing to security across products, and shaping the ...

Data Scientist I — ML, Analytics & Client Projects

A leading data consultancy in the UK seeks a Data Scientist to join its consulting team in London/Reading. This role involves analyzing large datasets, creating client reports, and developing algorithms. Candidates should have 2-4 years of relevant experience and a degree in mathematics or related fields. Key sk ...

Cloud Integration Engineer — Consulting & AI/ML Infra

A leading technology firm is seeking an Integration Engineer to work with strategic customers on infrastructure projects. This role requires strong project management and cloud solutions expertise, with a focus on customer success. Responsibilities include managing successful cloud solution implementations, prop ...

Senior Product Data Scientist — Impact & Growth

A leading food delivery company in the UK is seeking an experienced Data Scientist to maximise business impact across various areas. The role involves solving complex problems using data analysis and machine learning techniques. Candidates should have 6+ years of experience, strong communication skills, and prof ...

AI Engineer Equity & Impact at London AI Startup

An innovative AI startup in London seeks an AI Engineer to drive the development of groundbreaking algorithms that enhance patent generation. Joining a stellar team backed by major investors, you will lead the creation of evaluation pipelines and collaborate directly with the CRO to ensure efficient deployment o ...

Threat Driven InfoSec Engineer: Detection & Defense

A technology firm in Greater London is seeking an Information Security Engineer responsible for securing their infrastructure globally. The ideal candidate should have over 3 years of security experience across major platforms and proficiency in scripting languages like Python. Key responsibilities include build ...

Remote Pricing Data Scientist — Insurtech ML

An emerging Insurtech company is looking for a technical pricing/data science professional to join their team. This role requires a proactive individual with 3-8 years of experience in personal lines insurance and a strong technical pricing background. You will be working in a fully remote capacity, utilizing an ...

Lead SDN Engineer – VPC Networking Platform

A leading financial services firm based in Greater London is looking for a Lead Software Engineer to join their VPC Network organization. This role involves leveraging engineering expertise to build and deliver secure, scalable networking solutions. The ideal candidate will have experience in systems engineering ...

AI Native Junior Software Engineer Remote & Flexible Hours

A leading cleaning services platform in London is seeking a Junior Software Engineer to solve complex problems and build scalable platforms. You will work with a variety of technologies such as Python, Django, and Angular, and contribute to improving user experiences. The ideal candidate will have a strong educa ...

Data Scientist: Optimisation & ML for Operations

A leading technology-driven firm in the UK is seeking a Data Scientist to join their agile product squad. The role requires expertise in developing data pipelines and machine learning models, with a focus on operational optimisation. Ideal candidates will have strong experience with Python, optimisation techniqu ...

Applied AI Engineer III ML & GenAI in Production

A leading global bank seeks a Software Engineer III to develop advanced AI and machine learning solutions. This role involves collaborating in a diverse team environment to deliver innovative banking experiences. Candidates should possess a strong background in AI/ML, coding proficiency in Python, and experience ...

Fleet Performance Engineer: Data Driven Maritime Optimizer

A leading logistics provider in the UK is seeking a Fleet Performance Engineer to focus on optimizing operational efficiency within their fleet. This role involves analyzing data to monitor and improve vessel performance, ensuring compliance with emissions regulations, and utilizing software solutions to track o ...

Technical Lead, AI & MACH Architecture

A leading technology company in Greater London seeks a Technical Lead to drive the end-to-end implementation of innovative digital solutions. This role involves technical architecture, managing onshore and offshore teams, and contributing to AI strategy. The ideal candidate has a strong engineering background wi ...

Data Engineer — Hybrid London: Real World Pipelines

A recruitment firm in London is seeking multiple Data Engineers to join a B2B SaaS start-up. The role involves working with complex data challenges, integrating datasets into client workflows, and implementing CI/CD practices. Candidates should have at least 3 years of experience in data engineering, strong prog ...

Detection Engineer: Cloud Security & Incident Response

A leading telehealth platform is seeking a Security Engineer with expertise in detection as code. You'll own the detection and security operations, writing rules, building telemetry pipelines, and responding to cloud-native threats. Strong programming skills in Python or TypeScript are essential, along with expe ...

Hybrid Data Scientist — Insurance Analytics & ML

A leading specialist insurer in London is seeking a Data Scientist to collaborate in a wider technical team. The role involves using analytics to drive business decisions, leveraging emerging methodologies and big data. Ideal candidates will have experience in machine learning and data analysis, as well as profi ...

Senior Modelling Engineer — Scalable Training Platform

A leading training platform for runners in London seeks a Software Engineer to enhance their app by building and improving training features. Applicants should have 3+ years in software engineering, proficiency in Python, and strong algorithm design skills. The role involves collaboration across teams and requir ...

Energy Data Scientist — Production ML in London

An innovative energy startup in Central London is seeking multiple Data Scientists to help address energy challenges. You will own projects end-to-end, deploying machine learning models that improve energy usage efficiency. Candidates should have strong ML skills, write production-ready Python, and be curious ab ...

AI First Data Scientist for Real Time Systems

A rapidly growing tech company in Greater London is seeking a versatile Data Scientist to join their innovative team. You will design and optimize machine learning models that enhance engagement within their gaming ecosystem. Ideal candidates should have strong experience in deploying ML models, robust data engi ...

Research Engineer, ML Systems at Scale (Hybrid)

A recruitment firm is seeking a Software Engineer for a hybrid role in Greater London. The position focuses on advancing machine learning technologies through research and collaboration with various teams. Candidates should have a Bachelor's degree in a relevant field, at least 2 years of experience in machine l ...

Senior ML Engineer, Productionize Time Series in Healthcare

A medical technology company is seeking a Machine Learning Engineer to develop algorithms for non-invasive brain monitoring technologies. This role involves designing ML models using ICU-generated data and requires deep theoretical knowledge in machine learning. The ideal candidate will have a strong track recor ...

Solutions Engineer, AI Go Platform — Deploy & Win

A cutting-edge AI solutions provider in Greater London is seeking a Solutions Engineer to join their go-to-market team. You will engage with customers to run technical discovery and lead proof of concepts (POCs) that drive value. The ideal candidate has strong experience in delivering Large Language Model projec ...

Low Latency Network DevOps Engineer

A diversified trading firm is seeking a DevOps specialist to improve automation within their low latency network group. Responsibilities include leading CI/CD pipeline implementation, supporting deployments, and automating infrastructure provisioning using tools such as Ansible and Python. Ideal candidates will ...

Full Stack AI Engineer | Client Facing, UK Travel

A technology consultancy is seeking a Software Engineer (Full Stack) to join their team in London. The role requires leading client accounts and working collaboratively to deliver outstanding digital products. Candidates should have solid full-stack experience and strong skills across React, Node.js, Python, and ...

Enterprise Solutions Engineer: GenAI & AI Apps

A leading AI company is seeking individuals to partner closely with clients, delivering tailored AI solutions and demonstrating expertise in Generative AI applications. Strong engineering background, especially in Python and Java, is essential. Ideal candidates should have experience in technical client engageme ...

Machine Learning Scientist, Ranking — Real time Personalization

A circular fashion marketplace in the UK is looking for a Machine Learning Scientist to join their Ranking ML team. This role involves designing and implementing machine learning solutions for ranking models that serve personalized results to millions of users. Ideal candidates will have experience in machine le ...

Reference Data Operations Analyst

A leading financial services firm in London is looking for a Data Operations Analyst to join their team. This role involves troubleshooting data discrepancies and ensuring comprehensive data support for portfolio managers. Candidates should have a Bachelor's degree in Computer Science, with over 3 years of exper ...

Senior Data Solutions Architect, Utilities & Lakehouse

A leading data analytics company is seeking a candidate for a technical pre-sales position. You will engage with complex customers, develop strategies in collaboration with account executives, and position the Databricks Lakehouse platform as their solution of choice. Ideal candidates should possess a strong bac ...

Senior Backend Platform Engineer London (Hybrid)

A technology company is seeking a backend engineer to design and maintain production-grade services. The ideal candidate will have significant experience in backend engineering, particularly with Java, Go, or Python, and strong understanding of AWS. This role offers a hybrid work model based out of the London of ...

Graduate ML Researcher — Sports Analytics & Modelling (Hybrid)

A tech company focused on sports analytics is seeking Graduate Machine Learning Researchers to enhance predictive models. Candidates should have a strong mathematical foundation, experience in Python, and a capacity for innovative problem-solving. The role involves designing and testing machine learning models w ...

🚀 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