272,160+ Full Stack Developer Reactpython Jobs in London, UK — Local Employers Hiring June 2026

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Senior Machine Learning Engineer

The AI industry has a dirty secret. Behind every intelligent application is a mountain of manual effort. Today, many engineering teams are buried in tickets, managing Kubernetes clusters, and constantly tuning inference just to control costs. It’s slow, expensive, and increasingly unsustainable. </p ...

Senior Python Engineer

Senior Python Engineer - Financial Services You will join a financial services business reimagining their technology stack to be cloud-native on AWS, with modern front ends and Python-based services at the core. Great engineering culture matters as well as writing clean, well-designed cod ...

Senior DevSecOps Engineer

NLPatent is an AI-driven patent search and analytics company helping enterprises, law firms, and universities research patents through large language models and proprietary patent-focused technology. Operating in the computer software space, we build tools that make complex patent intelligence more accessible ...

Senior Cost Consultant

Senior Cost Consultant Job in Central London Senior Cost Consultant Job in Central London, for a progressive multidisciplinary construction consultancy focused on Large scale Residential and commercial projects. This is a great opportunity to join a dynamic and growing team at the forefront of ...

Lead Engineer

Shape engineering at NewDay.We’ve built a brand new Engineering Excellence function – a team focused on raising the bar across our entire engineering organisation.This isn’t a role where you own a single product or write code day-to-day. Instead, you’ll sit at the centre of engineering, product and platform, dri ...

General Manager – Luxury Residential

General Manager – Luxury Residential Are you a world-class General Manager – Luxury Residential? Now’s your chance to join a highly prestigious owner/developer of an iconic, ultra-luxury residential development in a prime Central London location. This is a rare and distinguished opportunity to lea ...

Senior Android Engineer (Data Platform)

Mission Statement The Platform team creates the technology that enables Spotify to learn quickly and scale easily, enabling rapid growth in our users and our business around the globe. Spanning many disciplines, we work to make the business work; creating the infrastructure, tooling, frameworks, ...

Senior Java Software Engineer

A growing capital markets technology business is looking to hire a Senior Java Developer to play a key role in building and evolving a cloud-native post-trade platform used across client reporting, APIs, workflow management, and trading operations. This is a hands-on engineering role with strong exp ...

Senior Customer Support Engineer (EMEA) Remote

Job Openings Senior Customer Support Engineer (EMEA) - Remote About the job Senior Customer Support Engineer (EMEA) - Remote Our client is a fast‑growing international software company building high‑performance developer infrastructure used by teams around the world. To support their expa ...

Engineering Manager Platform

The Mission Platform as a Product – bridge the gap between infrastructure and developer success. Transform our platform from a set of tools and processes into a cohesive internal product, leading a team of engineers through growth and establishing a paved road that allows product teams to s ...

Microsoft Biz Apps Technical Senior (Power Platform and Dynamics CE)

Job DescriptionKey Responsibilities Taking ownership of individual work packages within wider workstreams, delivering them to the quality standards and timelines set by the Technical Lead or Technical Architect.Implementing Dynamics 365 CE and Power Platform compon ...

Solutions Engineer, SaaS UK Based

About Kyra Kyra is an enterprise influencer marketing platform working with brands like SharkNinja, Coach, H&M, Ray-Ban, and Converse. Our platform manages the full lifecycle — creator discovery, campaign management, content review, payments, analytics, and AI-powered intelligence across TikTok, ...

Lead Software Engineer

Lead Engineer | Hybrid | Up to £120,000 + Equity & Benefits We're partnering with a fast-growing SaaS business that is transforming how organisations identify, engage, and convert high-value opportunities through real-time data and automation. Following continued growth and investment, they ...

Marketing Business Partner (9 Month Fixed Term Contract)

Requirements The role requires strong working knowledge of the marketing technology stack, particularly HubSpot and Microsoft Dynamics, and the ability to work closely with teams to ensure effective progression from marketing engagement to revenue B2B marketing experience, ideally in ...

Founding Product Engineer (£70k £120k + Equity) at cubic

Job Title Founding Product Engineer Location London, UK Salary £70k-£120k + Equity Company cubic is a YC X25 London-based startup building the world's first AI-powered code review platform. Backed by elite investors like Sequoia India, Vercel Venture ...

Lead Machine Learning Engineer

Requirements You are a technical expert among your peers, capable of going deep on particular topics and demonstrating breadth of knowledge to solve almost any problem ,You possess strong Python skills and practical experience operationalising models using frameworks like Scikit-lear ...

Head of Brand & Creative 12 month FTC

Responsibilities Reporting into the VP Marketing, you will lead the Brand and Creative engine to deliver top quality creative assets and campaigns across the business, which drive high levels of brand engagement alongside meaningful commercial benefits. Own the brand - manage (and ...

Senior Software Engineer

Some roles give you a better salary. Some give you a better story. This one has the potential to do both. I’m hiring multiple Senior Full Stack Engineers for a Series A Scale Up in Central London that is moving quickly, building with AI as a real part of the product, and led by people who k ...

Data Scientist Graduate: AI, Data Products & Growth

About the Team The Data Science team is a global, full-stack data team that plays an important role in empowering and driving the growth of TikTok Shop. Through impactful data insights and data products, the team focuses on areas such as metrics development, product, operation, algorithm improvem ...

Product Engineering Director

Director of Product Engineering | ClearCourse You have built and led engineering at scale. You know what good looks like. You are probably not being given the mandate to prove it. ClearCourse is a PE-backed vertical SaaS and embedded payments business, 800 people, seven industry verticals ...

Investment Technology Strategy Director

London (hybrid) | Up to £175k base + £45k bonus, 35 days holiday · full family health · 15% pension This isn't a build-from-scratch or a single vendor rollout. There's a real, complex front-office stack already in place. Your job is to upgrade it, rationalise it, and turn it into a scalable platform ...

Business Development Manager, Airlines

### Description*Position at Ant Group*In addition to payment processing, Antom delivers digital marketing solutionsthrough A+ Rewards—an adaptable marketing mini program/SDK integratedinto e-wallets and payment apps. This platform enhances interactions betweenbrands and customers, enabling global merchants to di ...

Video Lead (£80k £95k + Equity) at Scarlet

Job Title Video Lead Salary £80k-£95k + Equity Company Description Scarlet is a Creandum-backed London startup serving as the pre‑eminent authority on AI medical devices. Operating at the intersection of healthcare and technology, they empower the world’s most ...

Product Engineering Director

Director of Product Engineering | ClearCourse You have built and led engineering at scale. You know what good looks like. You are probably not being given the mandate to prove it. ClearCourse is a PE-backed vertical SaaS and embedded payments business, 800 people, seven indu ...

Java Software Engineer

Java, Spring Boot and Cloud Platforms(AWS, Azure and GCP) I am currently working with a leading software software consultancy working with the government for a Senior Java Engineer. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the ado ...

Applied AI Engineer at Seamflow

Job Title Applied AI Engineer Salary Not Disclosed Company Description Seamflow.com is a high-growth London startup backed by a 14× oversubscribed $4.5m seed round from Tier-1 investors including Coinbase, Reddit, and Spotify. They are modernizing industries li ...

Internship Software Engineering

Here at Humanoid, we believe in a future where robots amplify human potential. That’s why we’ve set out on a mission to build the world’s most capable, commercially‑scalable, and safe humanoid robots. We’re bringing that mission to life with HMND‑01 Alpha – our rapidly developed humanoid platform now runni ...

Software Engineer Reinforcement Learning

Overview Software Engineer - Reinforcement Learning We’re building autonomous agents that think like engineers: they run every critical user journey, catch failures before users do, and self-heal as the codebase evolves. Real AI teammates, not test scripts that break on impact. We’re ventur ...

СBDO Chief Business Development Officer

About the Client Our client is an international payments company offering a full infrastructure stack, including issuing, acquiring, and a proprietary payment gateway. The company is focused on expanding its presence across multiple regions and scaling its commercial function with a strong, struc ...

Senior Software Engineer (Tempcover)

Requirements Frontend: TypeScript, Astro and/or Next.js, React, HTML, CSS Backend: Node.js, Go, RESTful APIs, OpenAPI Cloud: AWS, Lambda, DynamoDB, S3, CloudFront Infrastructure as Code: SST, Terraform, CDK, Pulumi or similar Testing: integration and end-to ...

Senior Software Engineer

Our client is a offering an exciting opportunity to join their fast-growing product-led SaaS business building AI-powered software that solves highly complex global finance and tax challenges for large enterprise customers. Their platform handles complex rule-driven workflows, large data sets, and e ...

Lead Desktop Engineer (5 10 Years) Up to £150k + Bonus Elite Buy Side Trading Firm

Lead Desktop Engineer (5-10 Years) - Up to £150k + Bonus - Elite Buy-Side Trading Firm Direct message the job poster from Hunter Bond Building some of the world’s best engineering teams | EMEA, APAC & AMER @ Hunter Bond Job Title: Lead Desktop Engineer Client: ...

Senior Staff Forward Deployed Engineer

Job Description Responsibilities Customer Delivery Lead: end‑to‑end solution development for multiple high‑stakes customer deployments; manage technical strategy, design quality, and roadmaps for Agentic AI rollouts at enterprise scale. Primary technical point of contact fro ...

Salesforce Engineer (Permanent)

Overview We're hiring a permanent founding Salesforce Engineer to take end-to-end ownership of our Salesforce platform as it scales into a business-critical system for client data and workflows. You'll work closely with commercial, operations and compliance teams to gather requirements, design robust ...

CyberSecurity Engineer

Overview Fyxer AI is building an AI Executive Assistant. We’re looking for a hands-on Security Engineer with at least 4 years of real-world experience to help us build a security-first culture and infrastructure as we scale. You'll be our first dedicated security hire, working directly with our CI ...

Senior Rust Engineer for Open Source Autonomous Testing London

Location London, UK Employment Type Full time Location Type On-site Department Engineering About Antithesis Engineers at Antithesis work across a wide range of domains, often ...

Software Engineer (Mid Level) Climate Tech Start Up Python

This is a great chance to join a well funded start up in the climate tech space and make a real impact as they continue to grow. The team are using Python but open to a range of backgrounds - we are looking for strong engineers with a passion for all things climate tech and happy in a start up environment. ...

C# Risk Tech Engineer — Backend & Data Systems

Maven is a market-leading proprietary trading firm deploying its own capital across discretionary, systematic, and market‑making strategies. Backed by deep expertise in trading, technology, and research, we are relentlessly focused on improving liquidity across global listed derivatives. Through advanced e ...

Business Development Manager, Airlines

Description Position at Ant Group In addition to payment processing, Antom delivers digital marketing solutionsthrough A+ Rewards—an adaptable marketing mini program/SDK integratedinto e-wallets and payment apps. This platform enhances interactions betweenbrands and customers, enabling globa ...

Data Scientist Graduate

About the Team The Data Science team is a global, full-stack data team that plays an important role in empowering and driving the growth of TikTok Shop. Through impactful data insights and data products, the team focuses on areas such as metrics development, product, operation, algorithm improvem ...

Electronic FX Strategist (Java) Vice President

Overview Job title: Electronic FX Strategist Corporate Title: Vice President Department: Wholesale Digital Office, Global Markets Location: London (Hybrid) Role Description FX Strategy and Electronic Market Making within No ...

Senior Android Software Engineer Grow

Job DescriptionWise Assets is one of the fastest-growing features today, with Stocks and Interest live in the UK, EU, Singapore, Australia, Brazil and expanding further. Our customers now already earn £50m a month from their money held across the currencies on Wise. Holding money with a bank is non- ...

Senior Compute Platform Engineer

At GSK, we want to supercharge our data capability to better understand our patients and accelerate our ability to discover vaccines and medicines. The Onyx Research Data Platform organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leve ...

Software engineer III AI fixed term 12 months

Who we are:We are a rapidly growing pan-European digital wealth manager, serving over 167,000 active investors with more than £ billion invested on our platform. We began in Milan in 2011 with the purpose to help more people improve their financial well-being by making personal investing simple ...

Compute Platform Engineer II

At GSK, we want to supercharge our data capability to better understand our patients and accelerate our ability to discover vaccines and medicines. The Onyx Research Data Platform organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leve ...

Senior Software engineer AI Freelance 12 months contract

Who we are:We are a rapidly growing pan-European digital wealth manager, serving over 167,000 active investors with more than £ billion invested on our platform. We began in Milan in 2011 with the purpose to help more people improve their financial well-being by making personal investing simple ...

Interim Head of FP&A

ABOUT BEAMERYWe are a leading transformational AI platform in the HR technology industry, enabling enterprise companies to create better and fairer talent decisions – by accelerating their recruiting processes, unlocking successful internal mobility opportunities, enabling smarter up ...

Lead Engineer

Shape engineering at NewDay.We’ve built a brand new Engineering Excellence function – a team focused on raising the bar across our entire engineering organisation.This isn’t a role where you own a single product or write code day-to-day. Instead, you’ll sit at the centre of engineering, product and platform, dri ...

Senior Product Engineer (£100,000 £150,000 + Equity) at Alecto

Senior Product EngineerSalary: £100,000 - £150,000 + EquityCompany DescriptionAlecto - AI-native law firm backed by Firstminute CapitalJob DescriptionJoin Alecto as an early engineer to fix the UK’s broken £2.5bn conveyancing market. You will l ...

Director Platform Engineering, Resilience & Cyber

We are looking for a technical leader with deep expertise in platform engineering and cyber security to ensure the resilience, scalability and security of the government’s citizen‑facing digital infrastructure. The role leads a large, multidisciplinary workforce of approximately 100 staff and opera ...

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