251 to 275 of 2,498 React Jobs in London

and databases Develop data visualization approaches for multimodal biomedical data, with a focus on pathway and network visualization Own the development of the Syntensor user-facing app, a large React application Architect and develop the app backend, presently developed with Node.js on AWS Define and build strong foundations to your own high standards - CI/CD processes, devops, monitoring and More ❯

JavaScript skills, including concepts like asynchronous programming, promises, closures, types, and ES6. HTML/CSS experience, including concepts like layout, specificity, cross browser compatibility, and accessibility. Experience in TypeScript, React and Node.js. Building automated tests using Javascript test frameworks. Experience consuming RESTful API services. Comfortable in using Git. Experience working collaboratively as part of an agile team in a product More ❯

approach to software development. Core foundation in programming, especially in JVM languages (particularly Kotlin or Java). Experience designing and implementing data-driven APIs. Exposure to frontend development (particularly React.js, Tailwind, REDUX, Typescript) Past project experience with large scale webservices. Cloud infrastructure experience with AWS and/or Google Cloud, Azure, etc. Infrastructure-as-code experience, such as with Terraform More ❯

Experience in the fintech, B2B enterprise SaaS or payments industry Knowledge of ClickHouse or similar high-performance data platforms Experience with data engineering Our current tech stack: Frontend Technologies - React, Material UI Backend & Application Frameworks - Go, Node, RabbitMQ Databases - Postgres, MariaDB, MongoDB, ClickHouse, Redis, JupyterLab, Metabase Data Engineering & Orchestration - Python, Airflow, Kafka, DataHub Cloud & Infrastructure - AWS, K8s DevOps & CI/ More ❯

with advertising technology (AdTech) highly desired. Proven experience and a passion for developing and operating full stack production systems in Clojure, k8s, and AWS or GCP. ClojureScript, JavaScript, TypeScript, React, Java, Python, and Terraform experience highly desirable. Proven experience leading teams, designing simple/scalable/reliable architectures, building, and operating concurrent, distributed systems, solving difficult and novel problems, and More ❯

EMEA will be required at times. Requirements A minimum of 5+ years experience in software engineering. A high level of proficiency and understanding in Node.js, TypeScript with experience in React and Next.js desirable. Strong understanding of database systems, including both document-oriented databases such as MongoDB and relational databases such as MySQL or PostgreSQL. Experience in a CI/CD More ❯

PostgreSQL; Amazon storage including Aurora, DynamoDB, S3 Infrastructure: Terraform and AWS, using Fargate, Lambdas, Step functions, and a lot more! Pipeline: GitHub Actions, TeamCity, Octopus Deploy, Serverless Front-end: React, TypeScript How We Work FundApps engineers have a lot of freedom to solve problems in a way that achieves our outcomes, and works within our values. You will not be More ❯

Senior Lead Software Engineer - MySQL Database Product JPMorgan Chase & Co. - London, United Kingdom Job Description As a Software Engineer, you will play a vital role in designing and developing our modern private cloud MySQL offerings. You will leverage your experience More ❯

Senior Full Stack Developer (Node/React) Senior Full Stack Developer (Node/React) required to join a successful open-source Software House who work with the Healthcare industry. Working closely with other members of your Team, including other Developers, QA, Product Owner you will be working on multiple projects which could last between one to four months.Ideally we are … keen to find candidates who have at least 6 years’ experience and who have worked in a full stack capacity, ideally with experience in React and Typescript. Our client have recently moved to Azure so are keen to utilise Azure’s cloud functionality including serverless functions/service bus so any experience within this area would be great. Any experience … with leading projects and mentoring more junior developers would be great!Ideal candidates will have at least 6 years full stack development experience with : JavaScript React or Angular Node.js HTML CSS Agile And nice to have : MongoDB GraphQL REST API’s JSON Redis SQL Databases Typescript This is a great opportunity to join an established Team of 8 other Developers. More ❯

Front End Developer/Engineer (TypeScript React Native AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could be progressing your career as a Front End … ll work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript, React and React Native but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team in … one day a week. About you: You are degree educated in Computer Science, from a top tier university (e.g. Russel Group, Oxbridge) You have Typescript experience combined with strong React and React Native skills You're proficient with HTML5 and CSS3 You have experience of responsive design for desktop and mobile You're keen to work in a start-up More ❯

Front End Developer/Engineer (TypeScript React AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could be progressing your career as a Front End Developer … ll work alongside a talented team, contributing ideas, collaborating with designers, and prototyping new features. There's a modern tech stack; you'll mainly use JavaScript/TypeScript and React but will have opportunities to learn new technologies on the job. Location/WFH: Join a friendly and supportive team in London with flexibility to work from home one day … a week. About you: You are degree educated in Computer Science from a top-tier university (e.g., Russell Group, Oxbridge). You have experience with TypeScript and strong React skills; React Native experience is a plus but can be learned on the job. You are proficient with HTML5 and CSS3. You have experience designing responsive interfaces for desktop and mobile. More ❯

Finance/FinTech ⚛️ TypeScript, React, Node 🏢 3-days p/week onsite in London ❌ No sponsorship available A London based FinTech that is the trusted partner to the world’s leading private banks and asset managers are looking for several Senior TypeScript Engineers was a passion for delivering exceptional customer experiences and technology implementations, to work on their proprietary platform. … and private banks across private equity, credit, infrastructure and impact to develop innovative solutions for private banks and wealth managers. Requirements: Computer Science or STEM education Strong experience with React, TypeScript, HTML, CSS and web technologies Strong with backend TypeScript, e.g. Node JS, Nest JS and Express. Commitment to maintaining high quality software through the use of automated testing tools More ❯

Finance/FinTech ⚛️ TypeScript, React, Node 🏢 3-days p/week onsite in London ❌ No sponsorship available A London based FinTech that is the trusted partner to the world’s leading private banks and asset managers are looking for several Senior TypeScript Engineers was a passion for delivering exceptional customer experiences and technology implementations, to work on their proprietary platform. … and private banks across private equity, credit, infrastructure and impact to develop innovative solutions for private banks and wealth managers. Requirements: Computer Science or STEM education Strong experience with React, TypeScript, HTML, CSS and web technologies Strong with backend TypeScript, e.g. Node JS, Nest JS and Express. Commitment to maintaining high quality software through the use of automated testing tools More ❯

Mid - Senior Full Stack Engineer | React.js/Node.js/TypeScript | Fin-Tech Start Up | Salary Range £75K - £100K | 5 Days Per Week (after probation passed 3 Days Per Week) | Greater London Mid - Senior Full Stack Engineer | React.js/Node.js/TypeScript | Fin-Tech Start Up | Salary Range £75K - £100K | 5 Days Per Week (after probation passed 3 Days Per Week … applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Owen Thomas | Pending B Corp Mid - Senior Full Stack Engineer | React.js/Node.js/TypeScript | Fin-Tech Start Up | Salary Range £75K - £100K | 5 Days Per Week (after probation passed 3 Days Per Week) | Greater London Company: They are looking for someone … on technology as a growth enabler—and they are looking for a skilled Full Stack Engineer to take full ownership of their core platform. Mid - Senior Full Stack Engineer | React.js/Node.js/TypeScript | Fin-Tech Start Up | Salary Range £75K - £100K | 5 Days Per Week (after probation passed 3 Days Per Week) | Greater London You will be working on More ❯

Social network you want to login/join with: Senior Software Engineers - TypeScript, React, Node - London - £80-110K+10% bonus, london col-narrow-left Client: Oliver Bernard Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: ? Finance/FinTech ? 3-days p … and private banks across private equity, credit, infrastructure and impact to develop innovative solutions for private banks and wealth managers. Requirements: Computer Science or STEM education Strong experience with React, TypeScript, HTML, CSS and web technologies Strong with backend TypeScript, e.g. Node JS, Nest JS and Express. Commitment to maintaining high quality software through the use of automated testing tools More ❯

technical guidance and mentorship to less experienced developers. Required Skills Strong experience with C#, .NET Core, Azure, and test automation. Proficiency in JavaScript and a modern front-end framework (React preferred). Familiarity with microservices, containerization, and site reliability engineering. Solid understanding of Agile/Scrum methodologies and software design principles. Experience with TDD and CI/CD pipelines. Desirable More ❯

5+ years real-world experience in object-oriented programming languages (eg C#, C++). 5+ years real-world experience in frontend javascript, libraries, and frameworks (eg Javascript, HTML, CSS, React, Vue, Typescript). Experience working with SQL/NoSQL databases and are comfortable designing and implementing database solutions. A keen interest in developing a high-quality product while meeting company … the software you build. Experience with modern product and engineering principles and practices. Strong communication and collaboration abilities. Ability to work independently and a team environment. Bonus points for React Native experience, High-level Swift/Objective-C and Kotlin. What’s in it for you? We come together with our unique strengths to work towards a common purpose - shaping More ❯

hands-on experience in object-oriented programming languages (e.g., C#, C++). 5+ years of real-world experience with modern frontend JavaScript, libraries, and frameworks (e.g., JavaScript, HTML, CSS, React, Vue, TypeScript). Comfortable designing and implementing database solutions with experience in both SQL and NoSQL databases. A keen interest in developing a high-quality product that not only meets … complex technical concepts clearly and work effectively within a team. The ability to work both independently and as part of a cohesive team environment. Bonus Points for: Experience with React Native High-level Swift/Objective-C and Kotlin experience What’s in it for you? We come together with our unique strengths to work towards a common purpose - shaping More ❯

Senior Full Stack Software Engineer - FX Pricing (React, Typescript, Java, API) - London (VP) Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit … writing and supporting high performing applications with expertise in Multithreading, Async communication, Reactive Extensions. Extensive hands-on experience in web technologies and development with experience in HTML 5, CSS, React, ES6+, Typescript and Backend using Java technologies. Experience with desktop containers including Chromium, Electron. Experience with continuous integration and continuous deployment tools like Jenkins or TeamCity. Self-starting individual with More ❯

to see the long term by choosing suitable technologies and approaches based on the end goals. Preferred qualifications, capabilities and skills Fluency across the full engineering stack, covering TypeScript, React (including common patterns in AG-Grid and Charting libraries), Java and Spring Boot. Experience designing and building solutions on at least one Cloud platform (AWS, GCP). Experience building and More ❯

Job Description REMOTE Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS OMS Execution Order Management System Portfolio Golang Go Java AWS Kafka) required by our … Excellent stakeholder interaction skills Agile The following is DESIRABLE, not essential: JavaScript and TypeScript Ag-Grid and GraphQL Python or Java Role: REMOTE Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services … AWS Kafka) required by our trading software client in London. You will be leading two small teams to build a new multi-asset portfolio management system. The stack is React, TypeScript, Redux, Ag-Grid, GraphQL, Playwright, Java, Golang, Kafka and AWS. The hiring manager is flexible on experience. Ideally, you will have some full-stack experience, or have led full More ❯

prevention. Our backend engineers mostly work with Python and Django on an increasingly more service-oriented architecture. The rest of the tech stack include Django REST Framework, PostgreSQL, AWS, React.js, Kubernetes, Docker, Redis, Celery, Pandas, Numpy, Git, Jenkins and Elasticsearch. We have a very large but clean code base as we put significant emphasis on design patterns, code readability, automated … Leaning) London, England, United Kingdom 9 hours ago London, England, United Kingdom 1 month ago London, England, United Kingdom 2 weeks ago Full Stack Software Development Engineer PHP/React London, England, United Kingdom 3 weeks ago Greater London, England, United Kingdom 1 week ago We’re unlocking community knowledge in a new way. Experts add insights directly into each More ❯

Python Developer (Software Engineer Programmer Developer Python Fixed Income JavaScript Node Fixed Income Credit Rates Bonds ABS Vue Angular React Agile AWS GCP Buy Side Asset Manager Investment Management Performance Risk Attribution TypeScript Node Finance Front Office Trading Financial Services) required by our asset management client in London. You MUST have the following: Strong experience as a Python Developer/… Software Engineer/Programmer Excellent Python Experience working in trading environments (Fixed Income, equities, commodities, FX etc) Some Front End ability (Vue, React or Angular good but not necessary) Agile The following is DESIRABLE, not essential: AWS or GCP Buy-side Data tools such as Glue, Athena, Airflow, Ignite, DBT, Arrow, Iceberg, Dremio Fixed Income performance, risk or attribution TypeScript … and Node Role: Python Developer (Software Engineer Programmer Developer Python Fixed Income JavaScript Node Fixed Income Credit Rates Bonds ABS Vue Angular React Agile AWS GCP Buy Side Asset Manager Investment Management Performance Risk Attribution TypeScript Node Finance Front Office Trading Financial Services Pandas Numpy Scipy) required by our asset management client in London. You will join a team of More ❯

aspects of money and more on the positive - enjoying what the world has to offer About the Role: Tech Stack: Backend: AWS Lambda, API Gateway, DynamoDB, S3, Node.js Frontend: React/Next.js, React Native Programming Languages: TypeScript; JavaScript, Python Infrastructure: Terraform, GitHub CI/CD pipelines Responsibilities: Design, develop, and maintain advanced applications using React Native. Collaborate with cross-functional … Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience Proven track record of developing and maintaining high-quality mobile applications using React Native. Deep understanding of React Native and its core principles. Prior experience with iOS and Android platforms, having a deep understandingof the ecosystem differences. Familiarity with RESTful APIs and mobile More ❯

Senior Full Stack Software Engineer Tech : AWS Lambda, React with Next.js, TypeScript, Node.js, and Terraform Why? start-up financial services, revolutionising the industry Location : Hybrid - 2-3 days in the office (London) Salary : £80k - £95k + benefits Our Client A new UK-based financial services provider is launching a credit card offering aimed at delivering fair, flexible, and user-friendly … product vision. Actively participate in product planning meetings and provide technical input to guide the team's priorities. Design, develop, and maintain full-stack applications using Node.js, AWS Lambda, React with Next.js, TypeScript, and Terraform. Write clean, efficient, and well-tested code that adheres to best practices and coding standards. Ensure code quality, organisation, and automatisation. Deploy applications using CI … a strong portfolio of projects Experience in a start-up or scale-up environment where priorities change quickly Expertise in Node.js and AWS Lambda for serverlessbackend services Proficiency in React with Next.js for frontend development Proficiency in TypeScript and experience with infrastructure as code using Terraform Excellent problem-solving skills and attention to detail Knowledge of Agile methodologies and experience More ❯