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

Data Engineer

Investment Data Engineer - 12month FTC Location: London (Hybrid working) Salary: £75,000 - £85,000 + benefits + Delivery Bonus We are supporting a PE‑backed financial services organisation with a sizeable balance sheet and a ...

Application Engineer III Java

In this developer role, you will:Applying for this role is straight forward Scroll down and click on Apply to be considered for this position.Provides senior-level system analysis, design, development, and implementation of applications and databases, including third-party product integration.Transla ...

Application Engineer III Java

In this developer role, you will:Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV.Provides senior-level system analysis, design, development, and implementation of applications and databases, including third-party product integration. ...

Application Engineer III Java

In this developer role, you will: Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV. Provides senior-level system analysis, design, development, and implementation of applications and databases, including third-party product integration. T ...

Quantitative Developer

This is a high-frequency proprietary trading firm founded in 1998, seeking a Quant Developer to join one of its trading teams in London.Joining the EMEA Development team as a Quant Developer you will be in charge of improving the current research framework through the development of existing and new to ...

Quantitative Developer

This is a high-frequency proprietary trading firm founded in 1998, seeking a Quant Developer to join one of its trading teams in London.Joining the EMEA Development team as a Quant Developer you will be in charge of improving the current research framework through the development of existing and new to ...

First AI/ML Engineer — Shape Scalable AI Systems

A transformative tech company in Greater London is looking for an AI/ML Developer to set technical direction and deliver impactful AI solutions. This role combines the benefits of a well-backed startup with the stability of an established firm. Candidates should have strong AI/ML development experience, proficie ...

Senior Software Engineer, Generative AI for Physics

BeyondMath, a pioneering startup in Greater London, is looking for an experienced full-stack developer to contribute to their generative physics platform. This role involves designing scalable software, building data pipelines, and leveraging cloud technologies, primarily AWS. Candidates should have a strong pro ...

Backend‑First Full Stack Engineer for AI Platform — Equity

Jack & Jill is looking for a Full-Stack Engineer (Back-End Leaning) in London, UK, to join their elite engineering team. You will own backend architecture and build scalable systems for a high-growth AI platform. The role encompasses designing robust backend systems, maintaining API infrastructure, and making ar ...

Engineering Manager

Engineering Manager Climate Tech Non-Profit £90,000 to £112,000 The Role Hands-on leadership role managing 20 engineers across multiple teams who are building a no-code energy systems modelling platform, transitioning to a PaaS model for external users. You'll own archit ...

ML Engineer

Role: Senior ML Engineer - Agentic AI PlatformsLocation: London (3 days a week onsite)Rates: Up to £900 p/d DOE (Inside IR35)I'm looking for an experienced ML Engineer to join a central AI engineering function responsible for building and scaling enterprise-grade agentic AI capabilities a ...

Engineering Manager

Engineering Manager Climate Tech Non-Profit £90,000 to £112,000 The Role Hands-on leadership role managing 20 engineers across multiple teams who are building a no-code energy systems modelling platform, transitioning to a PaaS model for external users. You'll own archit ...

Golang Developer

One of London's hottest scale-ups is looking for a Golang Developer to help them on their journey to being a global brand. They're already international so are certainly heading in the right direction! Some key requirements and responsibilities are: Collaborate with other Developers, UXers, Dat ...

Golang Developer

One of London's hottest scale-ups is looking for a Golang Developer to help them on their journey to being a global brand. They're already international so are certainly heading in the right direction! Some key requirements and responsibilities are: Collaborate with other Developers, UXers, Dat ...

Options Trader

Quantitative Options Trader / developer London / New York Want to apply Read all the information about this position below, then hit the apply button.We are working with a high-performing, 200-person quantitative hedge fund that is expa ...

Options Trader

Quantitative Options Trader / developer London / New York We are working with a high-performing, 200-person quantitative hedge fund that is expanding its footprint across London and New York. The firm has built a reputation for combi ...

Options Trader

Quantitative Options Trader / developer London / New York We are working with a high-performing, 200-person quantitative hedge fund that is expanding its footprint across London and New York. The firm has built a reputation for combi ...

AI Driven Full Stack Engineer (ML/LLM)

Barclays is seeking a Full Stack Developer to join their Cross Markets team in London. This position requires expertise in AI/ML software development, particularly with programming languages and frameworks such as Python, TensorFlow, and FastAPI. Key responsibilities include developing high-quality software solu ...

Senior Full Stack & Data Analytics Engineer (Hybrid)

A global business advisory firm seeks a Full Stack Developer to design and implement client-centric web applications. In this role, you will lead software projects in a collaborative environment and leverage modern technologies to solve complex challenges. Ideal candidates should have extensive experience in web ...

Backend Engineer – Java/Spring Boot & Python (Hybrid London)

Methods Business and Digital Technology Ltd is seeking a Back-end Developer specializing in Java Spring Boot and Python to join their private sector team in London. This hybrid role requires 3 days on-site each week. The successful candidate will lead the rebuild of core architecture, optimize technical connecto ...

Full Stack Developer (Java)

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Associate Python Engineer, Hedge Fund industry

With offices London and New York, this award-winning, fast growing fintech company is revolutionising (that’s a big word, but they are)! the Hedge Fund industry. Increase your chances of an interview by reading the following overview of this role before ma ...

Lead Engineer React/Python Fully Remote

Lead Engineer - £90,000–£110,000 - Remote (UK) We’re working with a high-growth technology business building advanced data-driven and AI-enabled software products. They’re looking for a Lead Engineer to take ownership of technical direction within one of their core product ...

Lead Engineer React/Python Fully Remote

Lead Engineer - £90,000–£110,000 - Remote (UK) We’re working with a high-growth technology business building advanced data-driven and AI-enabled software products. They’re looking for a Lead Engineer to take ownership of technical direction within one of their core product ...

Lead Engineer React/Python Fully Remote

Lead Engineer - £90,000–£110,000 - Remote (UK) We’re working with a high-growth technology business building advanced data-driven and AI-enabled software products. They’re looking for a Lead Engineer to take ownership of technical direction within one of their core product ...

Associate Python Engineer, Hedge Fund industry

With offices London and New York, this award-winning, fast growing fintech company is revolutionising (that’s a big word, but they are)! the Hedge Fund industry. They solve complicated problems in this highly complex domain, using modern pro ...

Full Stack Software Intern (TypeScript/Python)

Consortium for Clinical Research and Innovation Singapore is offering a 1-year full-time internship in software development. The role involves frontend and backend development, specifically using Typescript (Angular) and Python (Django). Candidates should be pursuing a Computer Science degree and possess excelle ...

Fixed Income Python Engineer | Quant Trading

Paragon are working with a global quant hedge fund, who have enjoyed a long period of success, marking them as one of the world's leading trading firms. London expansion continues at an aggressive rate. Part of this build will be to hire an experienced Software Engineer to join a high-performing ri ...

Associate Python Engineer, Hedge Fund industry

With offices London and New York, this award-winning, fast growing fintech company is revolutionising (that’s a big word, but they are)! the Hedge Fund industry. They solve complicated problems in this highly complex domain, using modern pro ...

Backend Software Engineer C# Python AWS

Backend Software Engineer C# Python AWS (PR/ ) London, England Salary: GBP - GBP per annum + benefits. Backend Software Engineer / Developer (C# Python AWS SQL IaC) London 12 month FTC to £180k. Are you a full stack technologist with a product based mindset? You could be progres ...

Lead Python Engineer Data Platform & Pipelines

Lendable in Greater London is seeking a Lead Python Engineer to join the Data Team. You will balance hands-on engineering with leadership duties, mentoring 1-2 engineers while designing robust data pipelines, APIs, and services. The ideal candidate has deep Python expertise, experience with data-intensive backen ...

FinTech Core Tech Engineer (Java/Python)

Isamcapitalmarkets is looking for a passionate Software Developer to join their Core Technology team in Greater London. The role involves building innovative solutions for both Asset Management and Securities. Strong skills in Java are required, along with a keen interest in financial markets. Successful candida ...

Python Infrastructure Engineer — Scale Fintech APIs

Lendable in Greater London seeks a Python Infrastructure Team member to design APIs, optimise platforms, and engage in architecture discussions. Candidates should have strong Python and FastAPI experience and testing skills. The role offers flexible working, health coverage, and a dynamic fintech environment. Jo ...

Lead Software Engineer Python API Fintech

Lead Software Engineer / Developer London / WFH to £120kAre you a skilled a backend focussed Python technologist with team leadership experience?You could be progressing your career at a well-funded and profitable FinTech start-up.As a Lead Software Engineer you'll head up a small, ...

Python AI Engineer PropTech London (onsite)

Job Description Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + EquityBuild AI-powered systems that automate real-world workflows at scale.This is an opportunity to join a fast-growing AI startup building ...

Software Engineer (Python) Beacon Core Engineer

Job Summary:We are seeking a skilled and motivated Senior Software Engineer to join our dynamic team at CWAN. The role joins our Beacon Core Engineering team. The Core team develops large part of Beacon Cloud, just above the Platform abstraction. It deals with the developer tools (SDLC) that we ...

Backend Software Engineer C# Python AWS

Backend Software Engineer / Developer (C# Python AWS SQL IaC) London 12 month FTC to £180kAre you a full stack technologist with a product based mindset?You could be progressing your career in a hands-on Backend Software Engineer role at a tech driven, global Asset Manager with multiple b ...

Data Platform Engineer Database Platform Python

Job DescriptionAbout the roleYou’ll work on high-scale systems used by hundreds of engineers, shaping how we run databases globally through automation, observability, and platform thinking - developing the internal database platform, automation, and tooling that powers hundre ...

Python Engineer London £75 140k + equity

About Corgi- Corgi is an AI-powered insurance company designed for tech startups.- The company has raised $108M and holds regulatory approval as a licensed carrier.- The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting.- Corgi is currently scal ...

Contract Full Stack Java+Python Engineer

We are recruiting for a Full Stack Java + Python Engineer for a 6 month contract, starting ASAP. 2 days a week in London.What you’ll bring to the table:Solid commercial development experience with strong proficiency in Java and Spring Boot, alongside ...

Lead Software Engineer – Python, AIML, Cloud

Chase is seeking a Lead Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will collaborate with the Applied AI/ML group and technology teams across the firm, contributing to both new and ongoing proj ...

Freelance Data Science Engineer (Python & SQL)

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

🚀 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