51 to 75 of 221 React Jobs in the City of London

Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree More ❯

self-motivated — you seek out opportunities to learn and grow. Passionate about writing high-quality software that makes a real difference to users. Bonus: exposure to frontend development (e.g. React) Why might this role not suit you? We are going through a period of significant evolution which is exciting and with it brings lots of opportunity and challenging work, which More ❯

self-motivated — you seek out opportunities to learn and grow. Passionate about writing high-quality software that makes a real difference to users. Bonus: exposure to frontend development (e.g. React) Why might this role not suit you? We are going through a period of significant evolution which is exciting and with it brings lots of opportunity and challenging work, which More ❯

contribute to our mission! Responsibilities: As a Safe Intelligence Front End Software Engineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating Machine Learning systems with an eye to scalability, and asynchronous More ❯

contribute to our mission! Responsibilities: As a Safe Intelligence Front End Software Engineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating Machine Learning systems with an eye to scalability, and asynchronous More ❯

with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute to backend services and APIs (Python or Laravel-based) Help re-platform and migrate More ❯

experience with WordPress Strong knowledge of Gutenberg and best practices Ability to create custom Gutenberg blocks Knowledge of PHP, HTML and CSS Front End development experience in JavaScript and React Knowledge of VCS and Git Ability to communicate your ways of working and collaborate with team members As a WordPress developer, this is a unique opportunity to join a market More ❯

from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX intuition with a user-centric approach Fullstack exposure with Python or another backend programming language - Java, Go, Node etc Experience working More ❯

from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX intuition with a user-centric approach Fullstack exposure with Python or another backend programming language - Java, Go, Node etc Experience working More ❯

Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree More ❯

insights into user flows Contribute to overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed and implemented event-driven More ❯

insights into user flows Contribute to overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed and implemented event-driven More ❯

API ecosystem. Bachelor’s degree in Architecture , Computer Science , Engineering , or an equivalent field. Familiarity with web APIs , data structures , and object-oriented design . Experience or familiarity with React and TypeScript for front-end development. Experience or familiarity with WPF and .NET technologies for desktop applications. Excellent communication and presentation skills — clarity counts. Comfort working both independently and in More ❯

API ecosystem. Bachelor’s degree in Architecture , Computer Science , Engineering , or an equivalent field. Familiarity with web APIs , data structures , and object-oriented design . Experience or familiarity with React and TypeScript for front-end development. Experience or familiarity with WPF and .NET technologies for desktop applications. Excellent communication and presentation skills — clarity counts. Comfort working both independently and in More ❯

. You have experience with data processing techniques, working with large datasets and are confident using SQL You're well-versed in modern front-end frameworks (we are using React) You have a strong bias towards action and a track record of driving outcomes You're an excellent communicator, able to explain complex technical concepts to various audiences You're More ❯

We’re Looking For 5+ years of backend expertise in Go including API design, microservices architecture, gRPC/REST services, and database design (PostgreSQL, Redis). Frontend proficiency with React/Next.js, responsive design, and modern JavaScript/TypeScript Cloud infrastructure knowledge including AWS services, CI/CD pipelines, and DevOps practices. System architecture experience designing scalable, maintainable applications from More ❯

We’re Looking For 5+ years of backend expertise in Go including API design, microservices architecture, gRPC/REST services, and database design (PostgreSQL, Redis). Frontend proficiency with React/Next.js, responsive design, and modern JavaScript/TypeScript Cloud infrastructure knowledge including AWS services, CI/CD pipelines, and DevOps practices. System architecture experience designing scalable, maintainable applications from More ❯

tools, processes, and best practices to support team knowledge and future development. We’re Looking For: Solid experience with Python for backend development and API creation. Strong experience with React (or similar frameworks) for creating user-friendly and scalable web applications. Expertise in API development, data handling, and creating scalable service architectures. Proficiency with CI/CD pipelines, containerisation (e.g. More ❯

tools, processes, and best practices to support team knowledge and future development. We’re Looking For: Solid experience with Python for backend development and API creation. Strong experience with React (or similar frameworks) for creating user-friendly and scalable web applications. Expertise in API development, data handling, and creating scalable service architectures. Proficiency with CI/CD pipelines, containerisation (e.g. More ❯

high-performance team - if you're impatient for progress, then we're the place you'll thrive Regular Mario Kart action! To be successful, you will... Have experience with React/NodeJS Have expertise in Typescript/JavaScript, with proven experience in development role(s) Have exceptional problem-solving abilities, proven in diagnosing and fixing complex technical issues Have excellent More ❯

high-performance team - if you're impatient for progress, then we're the place you'll thrive Regular Mario Kart action! To be successful, you will... Have experience with React/NodeJS Have expertise in Typescript/JavaScript, with proven experience in development role(s) Have exceptional problem-solving abilities, proven in diagnosing and fixing complex technical issues Have excellent More ❯

Candidate: Proven experience with backend/fullstack development using Node.js , Python , and AWS serverless architecture Strong database design skills (PostgreSQL, DynamoDB, Elasticsearch) Familiarity with frontend frameworks like Vue or React Comfortable mentoring developers and influencing technical direction Experience in financial services or a data-heavy B2B environment is a plus 🛠 Tech Stack: Node.js , Python , AWS (Lambda, DynamoDB, CloudWatch, CloudFormation), PostgreSQL More ❯

Candidate: Proven experience with backend/fullstack development using Node.js , Python , and AWS serverless architecture Strong database design skills (PostgreSQL, DynamoDB, Elasticsearch) Familiarity with frontend frameworks like Vue or React Comfortable mentoring developers and influencing technical direction Experience in financial services or a data-heavy B2B environment is a plus 🛠 Tech Stack: Node.js , Python , AWS (Lambda, DynamoDB, CloudWatch, CloudFormation), PostgreSQL More ❯

and design. Become a subject matter expert in the firm's systems and technologies to accelerate the integration of analytics across workflows. Requirements: Strong programming skills in TypeScript/React and at least one backend language, ideally Python. Proven ability to deliver high-quality UX/UI experiences. Passion for engaging with all aspects of fixed income and macro trading. More ❯

and design. Become a subject matter expert in the firm's systems and technologies to accelerate the integration of analytics across workflows. Requirements: Strong programming skills in TypeScript/React and at least one backend language, ideally Python. Proven ability to deliver high-quality UX/UI experiences. Passion for engaging with all aspects of fixed income and macro trading. More ❯