Software Developer Pythonreact Jobs in London, UK

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DeFi Algorithmic Trader — Liquidity & Risk Insights

Crypto Pro Network is looking for a skilled DeFi Trader to join their team in London. In this role, you will develop and implement trading algorithms across diverse DeFi platforms, leveraging advanced trading infrastructure. The ideal candidate should have a strong background in trading strategies and profici ...

Staff Backend Engineer – Java, Cloud & Tech Strategy

Capital One (Europe) plc is seeking a Staff Software Engineer - Back End in London. In this role, you'll influence the technical direction, lead multiple teams, and mentor engineers. You will work in a hybrid model, collaborating in the office three days a week. Ideal candidates have deep expertise in Java and s ...

Senior Java Architect – Scalable Payments & Microservices

Wise in Greater London is looking for a Senior Software Engineer II to drive architecture and scalability within its global payment network. The role requires deep expertise in Java and Spring Boot, focusing on highly scalable services aligned with Wise’s microservices architecture. Responsibilities include lead ...

.NET Backend Engineer: APIs & Integrations (Hybrid)

Oliver Bernard is seeking a .NET Engineer to join their London team with a hybrid working model. This role will focus on designing, developing, and maintaining scalable backend services and APIs within a collaborative engineering team. Candidates should have over 3 years of experience in software engineering, sp ...

Remote Python Engineer for AI Driven Autonomous Systems

trg.recruitment is looking for a Python Software Engineer to design and build intelligent autonomous systems for a well-funded startup in London. The role offers 4+ years experience in product development and a strong focus on AI technologies, offering competitive salary and equity. Enjoy a fully remote position ...

Frontend Engineer for AI Data Platform (React/TS)

Jack & Jill is seeking a Software Engineer (Frontend) in London, UK, to build intuitive interfaces for AI-native data orchestration. This key role involves developing responsive web applications, collaborating with teams to implement data workflows, and optimizing performance. Candidates should have strong exper ...

DevSecOps Security Engineer — Hybrid (London/Bristol)

HealthHero Services Ltd is seeking an experienced Application Security Engineer to join their team in London or Bristol. This role focuses on security across the software development lifecycle, with key responsibilities including implementing CI/CD security testing and conducting vulnerability management. </p ...

Senior Lecturer: Enterprise Architecture or Data (Remote)

QA-1 is seeking a Senior Lecturer (Enterprise Architecture or Data) to join our Degree Apprenticeship team, focusing on blended learning and supporting learners in their professional specialism. This role involves designing module content, developing course materials, and contributing to a positive learning envi ...

Senior Frontend Engineer (React) — Build Scalable UI & Data Apps

Energy Jobline ZR is looking for a skilled Software Engineer to join the S&P Global corporates value stream technology team. The role involves developing scalable solutions to support the S&P ratings business through cutting-edge technologies. The ideal candidate will have a minimum of 5 years' experie ...

Audio Tools & Engine Programmer for Game Audio

Sony Interactive Entertainment is seeking an experienced Audio Programmer to develop audio tools and systems for PlayStation Studios titles. You will design and implement audio processing plugins, link game systems to audio engines, and ensure that code runs efficiently and bug-free. Applicants should ...

Senior .NET AI Engineer Scalable Data Pipelines

NCube Ltd is seeking a Senior Software Engineer to join their fast-scaling AI-driven data platform in Greater London. This role emphasizes .NET/C# development and requires significant leadership in architecture and technical direction for data processing capabilities. The ideal candidate will have over ...

Senior Agile PM & Scrum Master PI Delivery Lead

HCLTech is seeking an experienced Software Project Manager to lead an engineering team in Greater London. The role involves facilitating Agile events, coaching product owners, and ensuring project deliverables to improve long-term performance. The ideal candidate should have over 6 years of experience in project ...

Senior Java Backend Engineer for Real Time FinTech

Client Server is seeking a Backend Software Engineer specializing in Java development for their London office. This role involves designing complex real-time, low latency trading systems in a microservices environment. Ideal candidates will have significant experience in backend Java, event-driven systems, an ...

Staff Frontend React Engineer | Lead & Shape UI

Java Script Works is seeking a Staff Frontend React Engineer to lead the design and implementation of frontend applications. You will collaborate with architects and cross-functional teams to define and ship new features. The ideal candidate has over 10 years of experience in software engineering with ...

Lead Data Platform Engineer – Asset Management

TwinThread is seeking a Lead Software Engineer to design and deliver innovative data and analytics solutions on a federated data platform. In this role, you will develop automated data ingestion and transformation pipelines, collaborate with technology groups, and support key business initiatives. Candidates sho ...

Senior Backend Engineer for Scalable, Secure AI Voice

Hard Yaka is looking for an experienced Senior Backend Software Engineer to join their team in the United Kingdom. You will be responsible for designing, developing, and operating critical features that enhance customer value and ensuring the delivery of secure and scalable voice solutions. The ideal c ...

Senior DevSecOps Application Security Engineer

Eeze is seeking a Senior Security Engineer (Application) to enhance application security practices within a fast-paced engineering organization. The role involves partnering with engineering teams, implementing security controls, and ensuring security integration throughout the software lifecycle. Candidates sho ...

AI Engineer — LLMs & RAG Architect (London On‑Site)

Eden Smith Group is seeking an AI Engineer to design and deliver impactful AI solutions in London. You'll be part of an elite AI team, tasked with building scalable systems and driving innovation within a global energy software business. This opportunity offers a unique blend of job security from the corporate b ...

Staff Identity & Access Engineer Unified Auth Platform

Ripple is seeking a Staff Software Engineer specializing in Authentication & Authorization in London, UK. This role involves shaping identity across cryptocurrency solutions, leveraging AI tooling and Kubernetes for reliability and security. You will lead the design of unified identity experiences and mentor ...

Capital Modelling Actuary: Calibrate, Report, Influence

ERS is looking for a qualified actuary to support the Capital Modelling Team in maintaining internal models for Starr International entities in London. The role involves model calibration, business support, and regulatory reporting. Key responsibilities include enhancing capital model capabilities, ensuring adhe ...

AI Platform Engineer Production Grade Azure Pipelines

A global CEO advisory firm is seeking an Engineer to join their rapidly growing AI team in London. The successful candidate will build and operationalize high-value AI workflows and integrate AI capabilities into various products. Responsibilities include developing end-to-end implementations, collaborating with ...

Lead 3D Designer: Immersive Visuals & Innovation

Profiles Creative seeks a visionary Senior Creative 3D Designer to elevate our design output. You will lead the creation of sophisticated 3D visualizations from concept through to high-fidelity renders in a collaborative studio environment. The ideal candidate has over 4 years of experience and expert ...

Senior BDM Hybrid London | 100K OTE & Growth

Opto Talent is seeking a proactive Senior BDM in Greater London. This full sales cycle role offers a basic salary of £60K - £65K with an OTE of 50%, totaling a £100K package. You will generate new business and manage existing accounts, engaging with C-suite and marketing leaders across various industries. Candid ...

Python/Django Engineer for Environmental Monitoring (London)

Java Script Works is looking for a Software Engineer specializing in Environmental Monitoring in London. The role involves developing apps across the full tech stack from concept to delivery. Candidates should have experience with Python and Django, along with front-end skills using frameworks like React and ...

EMEA Enterprise SaaS Sales Leader — Consulting

Intapp is seeking an enterprise software sales executive (Managing Director) for the consulting vertical market in Greater London. This senior sales leadership role involves engaging with C-suite leaders at major consulting firms and building a pipeline of opportunities using a consultative approach. Candidates ...

Senior Fullstack Engineer — Platform Architect

A growing engineering company in Greater London is seeking a Senior Fullstack Software Engineer responsible for designing, building, and maintaining critical production systems. The role emphasizes ownership, systems thinking, and high-quality engineering on mature platforms. The ideal candidate will have 8-15 y ...

Senior Python Engineer Climate Data Analytics

Zebra People is seeking a Senior Software Engineer to design and implement innovative data analytics systems in the sustainability sector. In this role, you will collaborate with teams to develop high-performance, secure systems for clients. With a competitive salary up to £100K and a flexible work env ...

Full Stack Engineer Quant Finance (New Grads, Visa)

Compensation Not listed Posted April 8, 2026 Required Skills full-stack software engineering quantitative finance Requirements 2026 graduates Visa Sponsorship Relocation About the Role University hir ...

Senior Planner: Construction Programme Lead

Galldris Services Ltd in Greater London is seeking a Senior Planner to manage the Planning and Programming function for construction projects. The ideal candidate will have a background in Construction or Civil Engineering, with experience in planning civil/infrastructure projects. Key responsibilities include l ...

Senior Backend Engineer – Hybrid, AI‑Driven Payments

0026 Checkout Technology Ltd is seeking a Senior Software Engineer to develop next-generation payment technologies that enhance merchant acceptance rates and customer experiences. This role involves mentoring junior engineers, collaborating with diverse teams, and ensuring high availability of systems. <p ...

Principal Platform Integration Architect

Broadridge Financial Solutions is searching for a Principal Development Engineer in London. This role will involve contributing to the technical architecture and integration design of the enterprise platform. The successful candidate will be responsible for project scoping, technical architecture documentatio ...

Senior UX Engineer — AI‑Driven Virtual Care (Remote)

Doccla, based in Greater London, is looking for a Senior UX Engineer to enhance patient experiences in healthcare. This exciting role involves designing accessible solutions for patients managing complex conditions and collaborating with product teams to create high-quality software. The ideal candidat ...

Lead Facade Structural Engineer Cladding & Curtain Wall

Cornerstone Project Source is seeking a Senior Structural Engineer to focus on the structural integrity of building envelopes in London. The successful candidate will lead the design of complex facade systems and provide technical leadership within a specialist team. The role requires over 7 years of s ...

Enterprise AI Deployment Engineer — Customer Facing

Industrial and Financial Systems is seeking a Forward Deployed AI Engineer in Greater London. You will work with clients to deliver custom AI solutions, driving everything from prototyping to launch. With 2-5 years in software or ML deployment and proficiency in Python and AI frameworks, you will integrate syste ...

Engineering Manager: Scale Teams, Deliver Fast | Hybrid

Abtrace is looking for an experienced Engineering Leader to enhance their proactive healthcare software solutions in Greater London. You will manage high-performing teams, enforce engineering best practices, and collaborate with cross-functional teams to deliver impactful projects quickly. In this fast-paced env ...

Solutions Analyst — Drive Cross Functional Tech Solutions

A leading technology firm in Greater London seeks a Solutions Analyst to shape and deliver technology solutions. This role involves collaborating with stakeholders to understand business requirements, managing projects, and supporting agile development activities. The ideal candidate will have over 5 years of ex ...

Remote Documentation Specialist – Licensing & Quality

Mercor is seeking a Software Engineering Document Licensing professional to evaluate the quality of .DOCX files, ensuring they are ready for stakeholders. This remote position involves collaboration with teams to license high-quality, real-world documents. The role requires experience with .DOCX files ...

Hybrid Principal AI & Engineering Recruiting Lead

Search Technology is seeking a Senior/Principal AI-Engineering Recruitment Consultant to join their team in Canary Wharf, London. This role involves connecting top engineering talent to leading AI startups and innovative hedge funds, utilizing a hybrid working model. Ideal candidates have a passion for softwa ...

Head of Digital Content & Distribution

SportsPro is seeking a hands-on Digital Production Leader to drive our content strategy. This role involves managing platform distribution across LinkedIn, Instagram, YouTube, and WhatsApp, as well as overseeing podcast production logistics. The ideal candidate will collaborate closely with our Head of ...

Lead Enterprise AppSec Architect — Hybrid London

JFrog is looking for a Security Solution Architect based in London. In this hybrid role, you will be the domain expert in Application Security and software supply chain security, providing technical authority to both internal teams and clients. The role demands over 10 years of experience in applicatio ...

Senior AWS Solutions Architect Startup Cloud Strategist

Amazon Web Services (AWS) is looking for a Startup Solutions Architect to work closely with customers, helping them maximize their cloud use. This role involves making technology recommendations aligned with customer business goals and acting as a trusted advisor for startups. The ideal candidate will ...

Digital Transformation IT Project Lead

A leading technology firm in the UK is looking for an experienced Project Manager to join their Digital Transformation team. The role involves managing various IT projects, engaging with stakeholders, and ensuring the effective delivery of system integrations. Candidates should have at least 3 years' experience ...

Backend Engineer (Kotlin/JVM) – Hybrid, Relocation & Visa

STARTmunich e.V is looking for a (Mid/Senior/Staff) Backend Engineer in London to build and test services using modern tools from the JVM ecosystem such as Kotlin, Spring, and Vert.x. You will design scalable cloud services and implement automated software delivery. This position offers hybrid working with 2-3 d ...

Senior GCP Cloud Engineer — IaC/Terraform & GKE (Remote UK)

RED Global is seeking a Software Engineer (Python) to join their AI Platform team in London. This role focuses on cloud platforms, especially Google Cloud Platform, requiring expertise in infrastructure as code, CI/CD pipelines, and automation. The position is remote but may require travel within the U ...

Data Platform Engineer: Scale ETL & Data Ops

A global leader in electronic trading is seeking a Data Platform Engineer based in Greater London. This role involves building and managing data processes on Tradeweb's platform, optimizing code and enhancing data pipelines. Candidates should have over 3 years of experience in Data Platform Engineering, strong s ...

AI Driven Product Lead for Enterprise FinTech

A leading workforce solutions provider in Greater London is seeking a Product Manager to shape AI-powered features within enterprise fintech platforms. You will bridge technical teams and business stakeholders to deliver practical AI solutions. The ideal candidate has experience in product management with exposu ...

Senior Frontend Engineer, D2C Platform

A leading music company is seeking a Senior Software Engineer to join their D2C development team in London. This role involves building products that empower artists and record labels worldwide, contributing to high-quality user experiences, and mentoring junior engineers. Ideal candidates will have over 8 years ...

AI First Product Engineer: Build Data for 1B Shoppers

Provenance.org in Greater London is hiring a Product Engineer. In this role, you'll design and maintain the core web application while leveraging LLMs and ML methods to automate data operations. You need 3-5 years of production software experience in JavaScript, Ruby, or Python, along with a track record of buil ...

Engineering Lead, Scale Embedded Finance Platform

A leading financial technology company in Greater London is seeking an Engineering Lead to head the Scale team. This position involves people leadership, technical direction, and managing backend systems for embedded finance products. The ideal candidate will have over 8 years of software engineering experience, ...

R&D Tech Associate Consultant – Remote & Growth‑Focused

Ayming in London is seeking an Associate Consultant – R&D (Technology/Software) to support client relationships and manage R&D project claims. The position welcomes fresh graduates and those with under 2 years of experience, offering extensive training, remote work options, and tailored career development. Enjoy ...

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    Software Developer Pythonreact Jobs in London Job Search Guide, Trends and Insights