101 to 125 of 367 React Jobs in London

Principal Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
like Java, Javascript, Kotlin SQL and NoSQL Databases e.g. Postgres and MongoDB Cloud platforms like AWS Knowledge of common development frameworks and tools, e.g. React, Spring, Temporal Nice to have: Data Engineering/ML Experience You are at the forefront of development practices like TDD, CI, CD and know where ...

Senior Software Engineer II London, England, United Kingdom London, England, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
video or media processing, codecs, streaming, or format analysis Desirable: Experience with Azure cloud services, and a range of modern languages including TypeScript/React, .NET, Python, Java or C/C++ Benefits That Benefit You Competitive base salary and RSUs Comprehensive pension plan with matching contribution Private health insurance ...

Senior Product Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
healthcare. What you'll be doing: Build seamless, scalable systems: Design and develop reliable software across our TypeScript monorepo (SST, Node.js, Vite/React). You’ll focus on clean architecture, robust testing, and efficient tooling—helping us ship stable, secure code at speed while enabling future growth. Deliver cross ...

Technical Product Manager - Digital Platforms

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Groups and Permissions, Access Control Lists, Replication agents, service packs, dispatcher configuration.* Experience in Java development, design, and coding (Javascript, HTML, CSS, jQuery, React js and web technologies)* Experience in fix AEM Environment issues.* UX UI knowledge.**Career Stage:**Manager**London Stock Exchange Group (LSEG) Information:**Join ...

London: Principal Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
development and delivery of production‐grade software using a variety of languages and frameworks, including but not limited to: Python, Java, JavaScript, TypeScript, React, Ruby, Scala, R, SQL, and Go Evaluated and strategically applied AI‐assistive development tools to accelerate delivery and improve quality A track record of understanding, assessing ...

Senior Full-Stack Engineer — Lead React/NextJS & AWS (Remote)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Cancer Research UK is seeking a Senior Software Engineer to join their team in Stratford. The role involves delivering software applications, mentoring junior engineers, and applying Agile principles. You will work flexibly, either in the ...

Full Stack Software Engineer

Hiring Organisation
Amicus
Location
City of London, London, United Kingdom
perspective, this is a genuine full stack position, with work split across frontend and backend development. The business uses TypeScript throughout their stack, including React, React Native, Node.js and AWS, so experience across multiple areas of the stack is important. The package Alongside a salary ...

Senior QA Engineer: Growth-Driven Quality & Automation

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
more programming languages such as Java, TypeScript, or Python. You will be responsible for producing high-quality code and have experience with TypeScript: React.js and Node.js. This role provides an opportunity to contribute to exciting projects in a collaborative environment. #J-18808-Ljbffr ...

Senior QA Engineer in London - Ferovinum Ltd

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
growth foundations and the ability to produce great code so don't be deterred if you don't have experience in the following: TypeScript: React.js (FE)/Node.js (BE) Java Python AWS Cloud Infrastructure Modulised Monolith Ferovinum provides equal employment opportunities. #J-18808-Ljbffr ...

AI Engineer

Hiring Organisation
trg.recruitment
Location
London Area, United Kingdom
scale-up experience (ideally in fast-growth environments) Role 1: AI Engineer Expert-level Python with exposure to frontend technologies (TypeScript/React preferred) Hands-on experience with LLMs, prompt engineering, and evaluation frameworks Ability to ship AI-powered features end-to-end Minimum 3 years of experience Role ...

Lead Full Stack Engineer - Active SC, AWS

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
fast-paced, contract-driven environment with high interaction and accountability. Hands-on development using modern front-end and back-end technologies (e.g. TypeScript, React, Node/Java, APIs, databases). Strong experience building and operating solutions in cloud environments (primarily AWS), using infrastructure as code, CI/CD pipelines ...

Senior Software Engineer

Hiring Organisation
trg.recruitment
Location
Greater London, England, United Kingdom
Strong communication skills - comfortable working with both technical and non-technical stakeholders Experience with or exposure to ML/LLM-based solutions Experience with React or Spark is a plus Why Join Competitive salary + equity (stock options) Comprehensive benefits including health, dental, vision Direct exposure to leadership and real ...

Senior Software Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £95,000 per annum, OTE
codebases, taking ownership and contributing to long-term system health Bring 5-6 years of commercial engineering experience (4+ considered), with strong Node.js, solid React (Next.js desirable), cloud experience (AWS preferred), and clear communication skills SALARY AND BENEFITS £80,000-£85,000 Hybrid Split 10% bonus Comprehensive benefits package ...

Senior Engineer

Hiring Organisation
Formula
Location
City of London, London, United Kingdom
Strong commercial Kotlin experience for backend development, ideally within payments or financial services Domain expertise in payment gateway systems or payments infrastructure Comfortable with React.js for full stack contribution where required Proven ability to take requirements through to architecture, design, and delivery Senior Software Engineer level ownership of technical decisions ...

Principal Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Knowledge of financial markets or trading systems. Knowledge of FCA Market Abuse Regulation. Experience with performance optimisation and profiling. Familiarity with modern UI frameworks (React, TypeScript) and design principles. Exposure to containerisation and orchestration tools. Understanding of architectural frameworks and best practices. Knowledge of AWS or other cloud platforms. Role ...

Applications Developer

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
scalability. Key Responsibilities Design, develop, and maintain custom ASP.NET MVC web applications and SharePoint solutions. Implement responsive, user-friendly interfaces using frameworks such as React, Angular, Bootstrap, and jQuery. Develop and optimize SQL databases to support application needs. Utilize low-code platforms like PowerApps and Power Automate to streamline workflows. ...

Senior Software Engineer II

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
just following a specification. About You The Tech Stack: You have experience with (or a desire to learn) our core technologies: Python, Django, React, Postgres, and Kafka. We also utilize Java, gRPC, and AWS. Execution: You can break down complex user stories into actionable tasks and execute them with minimal ...

Principal Engineer - Comms Surveillance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Understanding of financial markets or trading systems. Knowledge of FCA Market Abuse Regulation. Experience in performance optimisation and profiling. Familiarity with modern UI frameworks (React, Typescript). Exposure to containerisation and orchestration tools. Understanding of architectural frameworks and best practices. Knowledge of AWS or other cloud platforms. #J-18808-Ljbffr ...

Senior Research Software Engineer, Web Development

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience working as a web developer in industry) Demonstrable experience in core web technologies: Typescript, HTML, CSS, and in front‐end frameworks e.g., Vue, React, Svelte. Demonstrable experience in at least one modern object‐oriented language (e.g., Kotlin, C#). Experience managing/coordinating software development projects involving multiple developers ...

Solutions Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
systems CRM, ERP, and fulfillment integrations Strong technical foundation across client‐ and server‐side technologies, including RESTful APIs, HTML, CSS, JavaScript, ReactJS, Python, web technologies, and mobile applications Experience designing and delivering solutions on public cloud platforms (e.g. AWS), with an understanding of scalability, security, and integration patterns Proven experience ...

Data Engineer

Hiring Organisation
Step 2 Recruitment LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £85,000 per annum
cloud providers like AWS depending on client’s needs). Backend – We develop all our code in Python Front-end – MySQL and jQuery/React What we offer A highly competitive salary A genuinely compelling profit share scheme, with the potential to own a significant stake in the business Equity ...

Senior/Staff Design Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
information sciences, psychology, or human-computer interaction is preferred. Hands-on experience with modern front-end technologies (e.g., HTML/CSS, JavaScript/TypeScript, React) and evolving design systems. Experience building AI and agentic experiences, and you are already leveraging AI to speed up and augment your ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
share our pride in the work we have done with our colleagues. The Tech Stack The Triptease tech stack consists of TypeScript, Node.js, React, PostgreSQL, Redis, Mongo, Google Cloud Run/Kubernetes, BigQuery, Pub/Sub. We frequently work together with other squads, all squads use a similar stack which ...

Senior Software Engineer - Adobe Experience Manager (AEM)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
writing and executing various types of tests including unit, system, performance, and integration tests. Proficiency in frontend technologies: HTML, CSS (Sass) and JavaScript (React.js) and experience in writing automated tests. Experience of working with a wide variety of stakeholders including product owners, delivery managers and architects. Experience of communicating … suitable monitoring and alerting in-place with New Relic (or similar tools). Desirable Full-stack web development experience, including responsive single-page applications (React.js), Node.js backend development, and TypeScript Experience deploying web applications to cloud platforms such as Microsoft Azure, with an understanding of microservices architecture Experience with database ...

Senior Software Engineer - Serverless TypeScript & AWS

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Node.js. The ideal candidate will have strong hands-on experience with AWS services, particularly in a serverless context, and familiarity with frontend frameworks like React is a plus. The role involves ensuring PCI DSS compliance and collaborating with others to fix bugs and implement new features. #J-18808-Ljbffr ...