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

Senior Windows Systems Engineer Elite FinTech £100,000 £160,000 + Bonus

Job title: Senior Windows Systems Engineer Location: London / Hybrid The role: My client, an established FinTech firm are seeking a Senior Windows Engineer to join their team in London. The role is broad, varied, and is a good mixture of project work and operatio ...

Senior AI Engineer

Job Description Reward Gateway | Edenred, is a global leader in benefits and employee engagement. We help businesses attract, engage, and retain top talent through strategic rewards, recognition, and well-being solutions. Guided by our shared missions of ‘Making the World a ...

Senior AI Engineer

Job Description Reward Gateway | Edenred, is a global leader in benefits and employee engagement. We help businesses attract, engage, and retain top talent through strategic rewards, recognition, and well-being solutions. Guided by our shared missions of ‘Making the World a ...

Senior Quantity Surveyor

This is not just a QS role. This is about ownership and progression. Senior Quantity Surveyor – Residential Development Location: London (Office & Site Based)Salary: £65,000 – £75,000 + bonusContract: Permanent, full ...

Senior Quantity Surveyor

This is not just a QS role. This is about ownership and progression. Senior Quantity Surveyor – Residential Development Location: London (Office & Site Based)Salary: £65,000 – £75,000 + bonusContract: Permanent, full ...

Full Stack Engineer

Position: Senior Fullstack Engineer Location: Central London – 2 days onsite Salary: Up to £95,000 - £120,000 + benefits The React Hub has partnered with an AI Health-tech partner based in Central London who is looking to hi ...

Full Stack Engineer

Position: Senior Fullstack Engineer Location: Central London – 2 days onsite Salary: Up to £95,000 - £120,000 + benefits The React Hub has partnered with an AI Health-tech partner based in Central London who is looking to hi ...

Senior Software Engineer, Docker Agents (London)

At Docker, we make app development easier so developers can focus on what matters. Our remote‑first team spans the globe, united by a passion for innovation and great developer experiences. With over 20 million monthly users and 20 billion image pulls, Docker is the #1 tool for building, sharing, and runni ...

Senior Software Engineer

The Senior Software Engineer is responsible for the whole or an assigned portion of a design from preliminary specification through to verified software. The Senior Software Engineer provides expert knowledge of software design, test and verification.Job Functions· To use good engineering practic ...

Senior Software Engineer

Senior Software Engineer – C++ / Embedded SystemsA leading engineering and technology business is seeking a Senior Software Engineer to join its growing software development team working on advanced real-time and mission-critical systems.This role is ideal for a hands-on C++ Software Engineer wit ...

Low Latency Linux Engineer Optimise low latency trading infrastructure

Overview Consultant at Saragossa - Creating competitive advantage for investment technology organisations. Low Latency Linux Engineer - Optimise low-latency trading infrastructure for an HFT trading firm and bridge the gap between Application and Platform. Responsibilities Pus ...

Quant Developer – Interest Rate Derivatives | Front Office Technology | London

Our client is a leading financial technology firm operating at the intersection of quantitative finance and distributed cloud infrastructure . Built by buy-side practitioners, their platform powers real-time pricing, risk, and portfolio management for some of the world’s most sophisticated h ...

Technical Lead

ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. We take ...

Quant Developer – Interest Rate Derivatives | Front Office Technology | London

Our client is a leading financial technology firm operating at the intersection of quantitative finance and distributed cloud infrastructure . Built by buy-side practitioners, their platform powers real-time pricing, risk, and portfolio management for some of the world’s most sophisticated h ...

Software Engineer (Full Stack)

Title Software Engineer (Full stack) Reports to Engineering Manager Group Digital & Synthetic Capability Unit (D&S) Level S2 Work Arrangement Hybrid Position Summary Metrea is seeking a dynamic and highly mo ...

Technical Lead

ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. We take ...

Senior ETRM Applications Engineer End to End Trading

A global energy commodities firm based in London is looking for a Senior ETRM Application Developer. This role encompasses designing and enhancing applications supporting the commodities trading lifecycle. The ideal candidate will have over 10 years of experience in ETRM systems, robust technical skills in Java ...

Senior Real Time Rates Risk Engineer

Citibank (Switzerland) AG in Greater London is seeking a Senior Developer to join their global application development team. This role requires expertise in Java and experience with real-time systems, focusing on enhancing critical features for the Rates trading business. You will collaborate closely with teams ...

Real Time Rates Risk Engineer (Java, Hybrid)

Citigroup Inc. is looking for a Senior Developer to join their Tech team in London. The role focuses on designing and implementing critical features for Real Time Pricing and Risk applications. Candidates should have extensive experience in Java development, understanding of Agile practices, and familiarity with ...

Senior Frontend Engineer – Remote, Scale Sports Platforms

A global technology and content company is seeking a Senior Frontend Developer to lead the design and development of frontend applications. The role requires over 6 years of professional experience, deep expertise in JavaScript and React, and a commitment to technical excellence. You will build high-traffic site ...

Senior Java Dev & Tech Lead Cloud Native Microservices

A dynamic technology company in Greater London is seeking a Senior Java Developer to lead the development of scalable, Java-based applications. The role involves architecture design, mentoring junior developers, and collaborating with cross-functional teams to deliver high-quality software solutions. With at lea ...

Chief Health & Safety Leader – Construction & Developments

A prominent property developer in Greater London is seeking an experienced Health & Safety Director to oversee the implementation of Health & Safety strategies across projects. The ideal candidate will have over 10 years of experience in a senior role within the construction sector, holding relevant qualificatio ...

Graduate Full Stack Dev for EdTech CRM & Platform

A multi award-winning online education company seeks a Graduate Full Stack Developer to improve its online platforms. This role involves leading the development of the client management system, enhancing the online tutoring functionality, and working closely with senior management. The ideal candidate will have ...

Real Time Rates Risk Engineer (Java, Hybrid)

Citigroup Inc. is looking for a Senior Developer to join their Tech team in London. The role focuses on designing and implementing critical features for Real Time Pricing and Risk applications. Candidates should have extensive experience in Java development, understanding of Agile practices, and familiarity with ...

Senior ETRM Applications Engineer End to End Trading

A global energy commodities firm based in London is looking for a Senior ETRM Application Developer. This role encompasses designing and enhancing applications supporting the commodities trading lifecycle. The ideal candidate will have over 10 years of experience in ETRM systems, robust technical skills in Java ...

Senior DevEx Solutions Sales Executive

Atlassian is seeking an experienced Senior Solution Sales Executive to drive revenue growth in the Developer Experience domain. This role involves leading specialized sales efforts, collaborating closely with clients and partners, and formulating territory plans. The ideal candidate will have a minimum of 10 yea ...

Senior Kotlin Backend Engineer — TDD, Kubernetes & Oracle

A leading technology consulting firm in the UK is seeking a Senior Kotlin Developer to design and build high-performance backend services for a global financial leader. The ideal candidate has profound Kotlin expertise, experience with Kubernetes, and solid knowledge in relational databases like Oracle. You will ...

Senior Platform Reliability Engineer – Scale High Traffic

A leading music media brand in Greater London is seeking a Senior Site Reliability Engineer to manage and optimize their backend infrastructure. You will work with AWS, Kubernetes, and modern tech stacks while enhancing developer experiences and implementing cloud cost efficiency. The ideal candidate should have ...

Senior Software Engineer – Gaming Platform (EMEA)

A game server hosting provider is seeking a Senior Software Developer to design and develop systems that support the thriving community of gamers worldwide. This role involves working with various technologies such as NestJS, VueJS, and Kubernetes to ensure innovative and reliable solutions. The ideal candidate ...

Senior Android Engineer | Kotlin, Jetpack Compose, AI (Hybrid)

A leading financial services company in London is seeking an experienced Senior Android Developer to join their Mobile Collective. In this hybrid role, you will lead feature delivery and collaborate with cross-functional teams for app enhancements using Kotlin and Jetpack Compose. You should have a strong grasp ...

Senior Power BI Lead — Data & Insights (Hybrid UK)

A global data and AI company is seeking a Senior Power BI Developer in London, UK. The role requires over 5 years of experience in Power BI development, data modelling, and SQL. Key responsibilities include leading BI report development and managing a team. A competitive salary plus bonuses and flexible hybrid w ...

Senior .NET Core Engineer: Build ETRM APIs & Integrations

A leading global energy and commodities trading firm is seeking a Senior .NET Core Developer in London for a long-term contract opportunity. The role involves designing and delivering APIs and integration services within the ETRM ecosystem. Candidates need strong hands-on experience in C# and .NET Core, along wi ...

Strategic Partner Programs Lead for AI DevSecOps

3Search is seeking a Partner Program Manager to join a leading AI-driven SaaS scale-up in Greater London. In this strategic role, you'll design a value-based partner program, working closely with boutique DevSecOps VARs and global SIs. The ideal candidate has 5+ years of experience in partner management within a ...

Senior C++ Defence Software Engineer – SC Clearance(Hybrid)

A global engineering consultancy in the UK is seeking a Senior C++ Software Developer to work on high-impact defence software solutions. You will be responsible for developing robust, safety-regulated software for mission-critical systems, ensuring compliance with DO-178 standards. The role requires 8+ years of ...

Senior DevEx Solutions Sales Executive

Atlassian is seeking an experienced Senior Solution Sales Executive to drive revenue growth in the Developer Experience domain. This role involves leading specialized sales efforts, collaborating closely with clients and partners, and formulating territory plans. The ideal candidate will have a minimum of 10 yea ...

Strategic Partner Programs Lead for AI DevSecOps

3Search is seeking a Partner Program Manager to join a leading AI-driven SaaS scale-up in Greater London. In this strategic role, you'll design a value-based partner program, working closely with boutique DevSecOps VARs and global SIs. The ideal candidate has 5+ years of experience in partner management within a ...

Senior .NET Backend Engineer — APIs, C#, SQL (UK)

A leading tech company in the UK is looking for a Senior .NET Developer to design, develop, and maintain robust software applications. This role involves close collaboration with cross-functional teams to translate user needs into effective technical solutions. Key technical skills required include proficiency i ...

Senior Salesforce & E Commerce Full Stack Lead

A global footwear and apparel company is seeking a highly skilled Senior Full Stack Developer to join their dynamic team in Greater London. The ideal candidate will have a strong foundation in C# and .NET Framework, with expertise in integrating systems, especially with e-commerce platforms such as Salesforce Co ...

Senior Real Time Rates Risk Engineer

Citibank (Switzerland) AG in Greater London is seeking a Senior Developer to join their global application development team. This role requires expertise in Java and experience with real-time systems, focusing on enhancing critical features for the Rates trading business. You will collaborate closely with teams ...

Senior Network Observability Engineer

Senior Network Observability Engineer – Telemetry, Network, ClikcHouse, Automation, Low Latency, Python – Financial Services – Contract - Up to £750p.d Via Umbrella. My client, a leading Financial Service Organisation are seeking a Senior Network Observability Engineer to join their London o ...

Full Stack Engineer

Position: Senior Fullstack Engineer Location: Central London – 2 days onsite Salary: Up to £95,000 - £120,000 + benefits The React Hub has partnered with an AI Health-tech partner based in Central London who is looking to hi ...

Senior Network Observability Engineer

Senior Network Observability Engineer – Telemetry, Network, ClikcHouse, Automation, Low Latency, Python – Financial Services – Contract - Up to £750p.d Via Umbrella. My client, a leading Financial Service Organisation are seeking a Senior Network Observability Engineer to join their London o ...

Senior Full Stack Engineer (Health Tech | £200k)

Title: Senior Full Stack Engineer (Health Tech) Location: London, hybrid (some remote) Salary: Up to £200,000 + Equity Up to £200k plus equity for senior engineers building software where correctness genuinely matters. Health tech, fraud and risk, regulated fint ...

Full Stack Engineer

Position: Senior Fullstack Engineer Location: Central London – 2 days onsite Salary: Up to £95,000 - £120,000 + benefits The React Hub has partnered with an AI Health-tech partner based in Central London who is looking to hi ...

Senior Full Stack Engineer (Health Tech | £200k)

Title: Senior Full Stack Engineer (Health Tech) Location: London, hybrid (some remote) Salary: Up to £200,000 + Equity Up to £200k plus equity for senior engineers building software where correctness genuinely matters. Health tech, fraud and risk, regulated fint ...

Senior Lead Software Engineer Athena Rates Risk and PNL

We are seeking an experienced Senior Athena Python Rates Senior Lead Software Engineer for the development team to work on Rates Risk and PNL business deliveries and optimization. In this role, you will design, develop, and integrate sophisticated solutions that support trading desks and back office functi ...

Senior Lead Software Engineer Athena Rates Risk and PNL

We are seeking an experienced Senior Athena Python Rates Senior Lead Software Engineer for the development team to work on Rates Risk and PNL business deliveries and optimization. In this role, you will design, develop, and integrate sophisticated solutions that support trading desks and back office functi ...

Senior Lead Software Engineer Athena Rates Risk and PNL

We are seeking an experienced Senior Athena Python Rates Senior Lead Software Engineer for the development team to work on Rates Risk and PNL business deliveries and optimization. In this role, you will design, develop, and integrate sophisticated solutions that support trading desks and back office functions ...

🚀 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