Software Developer Pythonreact Jobs in London, UK

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Senior Android Engineer Green Tech and Energy Platform

A sustainable energy company in Greater London seeks a motivated Kotlin Developer to join its team, working on innovative solutions for green home installations. You will contribute across development processes, influencing tech scaling for decarbonization efforts. Ideal candidates are passionate, enthusiastic, ...

Engineering Manager AI First Velocity Leader

A leading technology company in Greater London is seeking an exceptional Engineering Manager to build the fastest engineering team. You will leverage your startup experience to coach engineers, make rapid decisions, and create a culture that values speed and iteration. Ideal candidates are leaders with strong te ...

Associate Planner – Residential & Strategic Land Growth

FutureGen Recruitment is seeking an Associate Planner (MRTPI) to lead residential and strategic land projects across London and the South East. The ideal candidate will bring proven consultancy or developer experience, along with a commercially minded and growth-focused approach to business development. This rol ...

Senior Platform Engineer Remote/Hybrid with Share Options

A tech-focused company in Greater London is looking for an experienced developer to work in a remote, asynchronous environment. The ideal candidate will have expertise in TypeScript or JavaScript, experience with AWS services, and a strong understanding of REST APIs. You will collaborate with cross-functional te ...

Frontend UI Engineer: Data Visualisation & ML Insights

A technology company in Greater London is looking for a skilled UI Developer to create responsive, intuitive user interfaces using React. The role involves building and iterating on UIs for data visualization and integration with backend APIs. Candidates should have deep experience in building production-quality ...

Finance Manager — Scale Up UK Projects (Hybrid)

A high-growth residential developer in London seeks a driven Finance Manager to lead financial reporting and support budgeting processes. This interim role offers a competitive daily rate and strong potential for a permanent position. Ideal candidates are ACA/ACCA qualified with strong financial reporting experi ...

Senior .NET Lead Cloud Native Backend Architect

A leading technology consulting firm is looking for a Lead Dot Net Developer to architect and deliver enterprise-grade backend systems using .NET Core and Azure. You will lead a team of developers and ensure high-quality deliverables while collaborating with cross-functional teams to translate business needs int ...

Senior Full Stack Engineer Fintech Integrations

A fintech company in Greater London seeks a Senior Full-Stack Developer to spearhead the development of innovative financial applications. You will be responsible for end-to-end application development using TypeScript and collaborating with cross-functional teams. Ideal candidates have 5+ years in full-stack ro ...

Senior Development Manager: Land & Planning Lead

A privately owned developer based near Chigwell, North London, is seeking a Development Manager or Senior Development Manager. This role focuses on managing Land/Development Contracts and planning permissions, offering excellent opportunities for promotion and a competitive salary. Suitable candidates will have ...

C#/.NET Product Engineer for Revit Add In & Desktop Apps

A technology-focused firm in Greater London is seeking a C# developer to enhance Revit workflows by developing and maintaining their Revit add-in. The ideal candidate will have solid experience with C#, desktop application development, and MVVM patterns. Responsibilities include implementing new features, data s ...

Senior Java Backend Engineer — Hybrid London

A fast-growing technology organisation in London is seeking a skilled Java Backend Developer for a full-time permanent role. You will design and maintain backend services and APIs, focusing on security and scalability. The ideal candidate has over 4 years of experience with Java and expertise with Spring Boot. T ...

Real Time Full Stack Engineer React & Python

A leading FinTech recruitment agency is looking for a Full Stack Developer to join a high-performing team in Greater London. The role involves developing real-time web applications and requires solid experience in React and Python. You will work on building scalable systems and collaborate closely with product t ...

Senior DevOps Engineer AWS Cloud & Automation

A leading digital assets services provider is seeking a Senior Backend Developer to manage AWS infrastructure and develop applications/services. The role demands at least 3 years of DevOps experience, proficiency in AWS and relevant tools like Terraform and Ansible. Candidates should have strong soft skills for ...

Senior Python Backend Engineer | AI Powered FinTech

A fast-paced technology company in Greater London is seeking a Senior Python Developer to join their back-end development team. In this role, you will implement scalable solutions in Python and develop REST APIs. You should have 4+ years of professional Python coding experience and be familiar with Django. The p ...

Hybrid Backend Engineer: Data & API Tools for SME Growth

A fast-growing finance company in Greater London is looking for an Entry Level Back End Acquisition Tech Developer. The role focuses on driving customer growth through data engineering and tooling, requiring strong proficiency in Python and SQL. The ideal candidate should thrive in an unstructured and dynamic en ...

Kitchen Development Chef: Recipe Innovation & NPD

Itsu Limited in Greater London is seeking a Kitchen Developer to innovate recipes and support product development. You will manage the kitchen, maintain ingredient stock, and cook samples as required for meetings. The ideal candidate has a passion for Asian food, experience in a professional kitchen, and strong ...

Junior Java/Spring Boot Engineer London

Information Tech Consultants is seeking a skilled Java Developer to join their London-based team. The role involves designing and maintaining high-performance Java applications while collaborating with cross-functional teams. Ideal candidates will have strong experience in Core Java, Spring Boot, and REST APIs, ...

Senior Python Engineer: Real Time Data Pipelines (Remote)

Vortexa, a fast-growing technology company in Greater London, is seeking a skilled developer to design and build scalable data pipelines and applications. Candidates should be fluent in Python, experienced with distributed systems and excited about working in a dynamic startup environment. Responsibilities inclu ...

Backend & Fullstack Engineer for AI‑Driven SaaS Growth

Hook is seeking a skilled full-stack developer for its innovative team in Greater London. The role involves both frontend and backend development, primarily using Python and React. You will work on designing product features, improving architecture, and ensuring system performance. The position offers a competit ...

Lead Cross Platform Mobile Engineer — Shape AI Productivity

Iamwarpspeed is seeking a passionate Lead Cross-Platform Mobile Developer to lead the development of their mobile applications. This pivotal role ensures a seamless and native user experience across iOS and Android platforms. Candidates should have 5+ years of experience in cross-platform mobile development, pre ...

Senior Java Backend Engineer Scalable APIs & Microservices

Vallum Associates is seeking an experienced Backend Developer to build and maintain scalable, high-performance backend services and APIs for a microservices-based trading platform. The ideal candidate will have over 5 years of experience in backend development with Core Java, strong skills in building scalable A ...

Senior Android SDK Engineer, Data Platform

Spotify is seeking an experienced Android Developer to build and improve SDKs that enable the analysis of user behavior at scale. This role is primarily based in London but allows flexibility for remote work, balancing in-person meetings with home-based productivity. Candidates should have strong skills in Andro ...

Senior Salesforce AI Engineer

iO Associates is looking for an experienced Salesforce Developer in Greater London to design, build, and optimise AI-powered Salesforce solutions. The role involves developing robust integrations, enhancing Salesforce capabilities, and mentoring junior developers. The ideal candidate should have hands-on experie ...

Lead NetSuite Architect for Global Transformations

Harnham is seeking a Senior NetSuite Developer in Greater London for a freelance role paying £500 - £550 per day. In this position, you'll lead complex NetSuite transformation programmes across international environments, focusing on scalable solution design and delivery. The ideal candidate should have strong e ...

Lead Full Stack Engineer — Python/React/FastAPI (Hybrid)

Client Server is seeking a Lead Full Stack Engineer / Developer to lead a talented team in London. In this role, you'll make architectural decisions, provide technical leadership, and mentor engineers while working on large-scale systems. You'll have strong expertise in Python, Django, TypeScript, React, and Fas ...

Java/Kotlin AVP, Prime Brokerage Tech — Hybrid Role

A leading global financial institution in Greater London seeks an experienced developer to engineer solutions within Prime Brokerage Technology. This role focuses on Java and Kotlin components, contributing to CI/CD practices and collaborating with stakeholders. The ideal candidate has a proven App Dev backgroun ...

AppSec Engineer: Secure DevOps & Cloud

The Financial Times Ltd is seeking a Cyber Security Engineer to enhance application security within their cloud-native technology infrastructure. The role requires strong experience in application security, working directly with engineers to implement secure practices, and a developer-friendly approach. Key resp ...

Senior Python Platform Engineer for ML Toolchain

King is looking for a Senior Platform Engineer (Python focus) to join its ML Toolchain team in Greater London. This role involves building Python services and APIs for the internal platform that supports machine learning at scale. Candidates should have strong backend engineering skills in Python, experience wit ...

FP&A Solution Engineer: Forecasting & Modeling

BOARD Deutschland GmbH is looking for a Solution Developer in FP&A to build and enhance financial planning applications. This role involves developing planning models, translating FP&A processes into scalable applications, supporting testing and validation. Candidates should have 2-4+ years in FP&A or planning s ...

Senior Rust Engineer Payments & Drive SDKs

Proton is looking for a Senior Rust Developer to join their Payments and Drive teams in Greater London. This role involves designing and maintaining components for Proton Drive and Payments, ensuring optimal performance and security across applications. Candidates should have over 5 years experience in Rust, str ...

Senior Frontend Engineer: Real Time AI UI & API Integration

Bernadette in Greater London is seeking a Senior Frontend Developer responsible for developing user interfaces for digital products. Ideal candidates will have advanced knowledge of CSS preprocessors, modern JavaScript, and strong TypeScript experience. Responsibilities include building responsive layouts with H ...

Senior Ruby Engineer & API Architect

Transform is seeking a Senior Developer to contribute to evolving their engineering strategy. You will mentor junior developers and work with Principal Developers to adopt best practices and emerging technologies. The role requires expertise in Ruby, RESTful APIs, Docker, AWS/Azure, and CI/CD pipelines. Transfor ...

Senior SRE — Architect of Reliable, Self Service Infra

Fonoa is seeking an Infrastructure Engineer in Greater London to build and enhance a reliable, scalable platform. The role focuses on improving operational maturity, observability, and developer experience across engineering teams. The ideal candidate will possess a strong programming background, automation mind ...

Python Backend Engineer – Front Office Trading Platform

Apex Systems is seeking a skilled backend developer to design and implement Python solutions within the structured Notes domain. This role involves close collaboration with Quants, Sales, and Trading to ensure clean API integration and support for crucial systems. Ideal candidates will have 5+ years in a front o ...

Python & React Data Engineer — Databricks, SQL & Dashboards

DNS Info Ltd is looking for a skilled Python + React + SQL + Databricks developer to combine backend data engineering with frontend application development. This role involves building APIs, developing ETL pipelines, and creating responsive UIs. Candidates should possess strong coding skills in Python, React.js, ...

Java AWS Engineer Cloud Native Microservices Specialist

Cognizant is looking for a talented Java Developer to deliver high-quality services and cloud-hosted solutions based in the United Kingdom. The role involves developing Java microservices, implementing RESTful APIs, and building cloud-native solutions on AWS. Candidates should have strong Java development experi ...

Junior Generative AI Mobile Apps Engineer Hybrid

Citi is seeking a Mobile Developer to engineer the future of global finance. Located in Greater London, you will craft scalable solutions in an agile environment, using technologies such as Swift and AI-powered tools. Ideal candidates should hold a relevant Bachelor’s degree and possess strong skills in problem- ...

Senior Python Full Stack Engineer (Django/React, Azure)

Crisil is seeking an experienced developer in Greater London with over 8 years of expertise in Core Python, SQL, and various Python web frameworks. The role includes developing scalable applications and requires familiarity with financial domains, particularly risk management. Candidates should also have exposur ...

Electrical Project Engineer – Grid & Substation (Hybrid)

Mint Selection | B Corp is seeking an experienced Electrical Project Engineer for a leading UK energy developer in Greater London on an initial 12-month contract. The role involves electrical engineering oversight during design and construction of major power projects, including design reviews and stakeholder co ...

Senior IDMC Data Integration Engineer Hybrid London

Randstad Technologies is looking for a Senior Informatica IDMC Developer to design and implement robust cloud data integration solutions using Informatica IDMC. The successful candidate will have 6-8 years of ETL/Data Integration experience and expertise in Informatica IDMC/IICS. This position offers a ...

Frontend & UX Designer (Figma, React)

Java Script Works is looking for a front-end developer in Greater London. The role involves designing wireframes and building responsive UIs using HTML, CSS, and JavaScript (React or similar). You will collaborate with backend developers and product managers. We seek candidates with proven experience i ...

Senior Frontend Engineer Fintech Mobile Apps

Wayfindi is seeking an experienced Frontend Developer in Greater London to focus on developing mobile and web applications. The ideal candidate will have at least 5 years’ experience, a passion for delivering high-quality code, and the ability to simplify complex problems. The role offers various benefits, inclu ...

Accessible Frontend Dashboard Engineer

Zebra People is seeking a Front End Developer for a 6-month contract in London. You will work on a public sector dashboard that helps provide trusted data and insights to various stakeholders, ensuring accessibility and user needs are met. Essential skills include JavaScript, HTML, CSS, and experience ...

Identity & Access Management Engineer (1IM Expert)

A leading global technology company is looking for an Identity Management Developer in Greater London. The ideal candidate will have extensive experience with Dell/Quest One Identity Manager and a strong understanding of Identity Management concepts. Responsibilities include developing stored procedures and moni ...

Senior Frontend & Full‑Stack Engineer – Banking/Payments

A leading global technology firm in the UK is looking for a FrontEnd Full Stack Developer to create responsive web applications using modern UI frameworks. In this role, you will collaborate with designers, implement backend services, and ensure the security of applications. Candidates should have a strong under ...

Front End Engineer – Global Video Platform (Remote)

A leading video platform company in Greater London seeks a front-end developer to enhance their cloud-based platform. You will work with technologies like React and ES6, collaborating closely with mentors to drive projects from design to production. Candidates should have experience with front-end frameworks and ...

Remote React Native Engineer – Checkout & Returns

A technology company is seeking a skilled developer to join their Post-Purchase team in London. The role involves designing, building, and iterating on checkout and returns experiences to improve conversion rates. Candidates should have a minimum of 3 years of experience with React Native, strong JavaScript skil ...

Lead AI Full Stack Engineer (Remote)

A leading AI development company in Greater London seeks a Lead Developer to manage a small team and drive the architecture and delivery of full stack applications. You will integrate AI features and maintain production systems using technologies like React, Node.js, and AWS. The position offers substantial owne ...

Remote Frontend Engineer React + TypeScript Pro

A growing System Engineering firm is seeking a Frontend Developer with 3–8 years of experience. The role offers remote work flexibility and requires strong hands-on experience with TypeScript and ReactJS, proficiency in SCSS, and a solid understanding of frontend development principles. Additional skills in stat ...

Senior React Native Engineer Hybrid London, TS/Redux

A consultancy firm in Greater London seeks a Senior React Native Developer with over 8 years of experience. The role involves developing mobile applications using React Native while working in a hybrid environment. Candidates should have strong skills in TypeScript, state management, and testing frameworks. This ...

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