51 to 75 of 379 JavaScript Jobs in London

engineering team by championing new technologies and setting standards for engineering quality What you’ll bring to the team: Proficiency working with TypeScript/JavaScript Experience with the technologies in our stack: React Native (worked on large scale applications) Native mobile development (Swift, Kotlin) Cloud platforms, particularly AWS Able ...

shared responsibility for the success of the whole business, ensuring our technology directly enables ethical financial outcomes. Requirements Proven Technical Depth: Strong experience with JavaScript/TypeScript and Java/Kotlin, NestJS, React, and PostgreSQL or MongoDB. Infrastructure Fluency: Hands‐on experience with AWS, Docker, Terraform, and modern CI/ ...

understanding of translating product and business goals into great tech. You have experience across the stack with technologies such as: Coding languages 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 ...

served Led the 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 ...

Senior Software Engineer London, United Kingdom Posted about 1 year ago Tech stack HTML & CSS React JavaScript ECMAScript 6+ Full-stack TypeScript Familiarity with modern architecture We work full stack and so proficiency with JavaScript (ES6+), React, and Typescript along with a good understanding of (or willingness to learn) HTML ...

mentoring junior engineers, and applying Agile principles. You will work flexibly, either in the office or remotely. The ideal candidate has experience with TypeScript, JavaScript, AWS, and PHP. This position offers a competitive salary between £50,000 and £60,000, alongside a comprehensive benefits package including flexible working arrangements ...

Qualifications Proven experience as a Senior Engineer or multiple years in software engineering roles. Skills Full-Stack Fluency: Deep understanding of JavaScript/TypeScript, Node.js, React, GraphQL, and AWS (EKS, Lambda, RDS). API & Data Mastery: Skilled in building resilient APIs (REST/GraphQL) and managing backend. Responsibilities What ...

London, UnitedKingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack Software Engineer PostgreSQL Amazon AWS Full-stack JavaScript C Below is a snippet of the job description. To read the full text, please click on the "Apply Now" link. Are You a Good ...

experience across the full UI development lifecycle, including design, development, testing, and deployment. Technical Skills & Expertise- Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript Real-Time Communication: Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs State Management & Programming: Solid experience with state management ...

software engineering, or AI engineering (preferably in a startup or scale-up environment) Strong experience with modern programming languages such as Python, TypeScript, or JavaScript Familiarity with cloud platforms (AWS, Azure, or GCP) and cloud-native architecture principles Experience working with APIs, data pipelines, and distributed systems Understanding ...

application architecture and delivery lifecycle Experience with integrations (REST, SOAP, APIs, OAuth, SQL) Good understanding of relational databases (SQL Server or Oracle) Knowledge of JavaScript and CSS for UI customisation Understanding of application security, performance tuning, and scalable design principles Desirable Experience OutSystems certifications (Associate, Professional, Tech Lead) Exposure ...

compliance requirements where applicable. Desired experience: - Proven experience in a senior engineering role with ownership of complex systems. - Strong expertise in front-end technologies (JavaScript/TypeScript frameworks) or another core area such as React - Ability to work beyond a single specialization (T-shaped skillset) — preferred but not strictly mandatory. ...

workflow tooling, event driven systems, product analytics What they’re looking for • Experience building production grade web applications across frontend and backend • Strong modern JavaScript or TypeScript experience with at least one frontend framework • Backend engineering experience with Python or another scalable backend language • Someone comfortable operating in ambiguity ...

methods, associated best practices, and related tools/frameworks (REST/JSON APIs, Postman). Experience with at least one common front‐end (pure JavaScript, React, Angular, etc.) and back‐end (Java, .NET, Python, Node, etc.) technology. Previous exposure to RFI/RFP. Understanding of end‐to‐end payment flow. ...

track record working with critical services or high-volume applications. Strong proficiency in a number of programming languages, which can include Python, TypeScript, Java, JavaScript, Go and others. Highly driven by technology with experience across multiple platforms. Familiarity with Serverless technologies (AWS, Azure or GCP). Strong understanding of system ...

tolerant and horizontally scalable distributed applications/systems dealing with distributed system specific concerns Demonstrable experience writing production code in either Python, Go, Rust, JavaScript/TypeScript or Java Strong problem solving skills We’d love to see: Knowledge of Database Systems and trade offs in the distributed systems Familiarity ...

team culture, accountability, and performance. Strong database and data modeling expertise, including design, optimization, and best practices. Strong proficiency in modern development stacks (e.g., JavaScript/TypeScript, C#, .NET, Angular and/or React). Working knowledge of AI trends and practical ways AI can improve development and delivery outcomes. ...

will require this in addition to your role defining strategy and influencing You’re comfortable working in at least one object oriented programming language (JavaScript/TypeScript, Python, Java, C#, etc) You have hands-on experience with GenAI, (e.g. Playwright with MCP). Experience with AI-assisted coding tools (e.g. ...

Data Warehouses (e.g Azure, AWS, GCP) including languages such as Python, SQL, PySpark, Java Knowledge and experience with programming languages such as React, Typescript, Javascript is desirable. Skills and Experience Essential Proven ability to use data engineering expertise to architect the most appropriate solution design to suit a particular requirement ...

based infrastructure.Nice‐to‐Have SkillsDomain knowledge in FX, Fixed Income, Equities, or Equity Derivatives.Additional expertise with kdb+ in complex, production‐scale environments.Exposure to modern JavaScript build toolchains, including Node.js, npm, Rush, Yarn, Webpack, Babel, and Cypress.About State Street & BestXState Street is a global financial services leader, combining scale, resilience ...

team culture, accountability, and performance. Strong database and data modeling expertise, including design, optimization, and best practices. Strong proficiency in modern development stacks (e.g., JavaScript/TypeScript, C#, .NET, Angular and/or React). Working knowledge of AI trends and practical ways AI can improve development and delivery outcomes. ...

environments. Deep understanding of distributed data processing, enterprise data architecture, and modern data engineering practices. Strong software engineering skills using Python and/or JavaScript-based technologies. Experience implementing automated deployment pipelines and DevOps practices. Advanced Data Management Expert-level SQL skills, including query optimisation and performance tuning. Experience developing ...

Relentless curiosity to learn and understand software and business. We’d love to see: Prior work with Microservices/Distributed architecture/complex workflows JavaScript/TypeScript experience. Experience with virtualization, containerization and orchestration tools (e.g. Openstack, Docker, Kubernetes). Experience with continuous integration, testing and deployment tools (e.g. Github ...

Skills Domain knowledge in FX, Fixed Income, Equities, or Equity Derivatives . Additional expertise with kdb+ in complex, production‐scale environments. Exposure to modern JavaScript build toolchains, including Node.js, npm, Rush, Yarn, Webpack, Babel , and Cypress . About State Street & BestX State Street is a global financial services leader, combining ...

strong eye for frontend quality - you care about how things look and feel, not just whether they work Comfortable working with HTML, CSS, and JavaScript across a modern Rails frontend stack Familiarity with relational databases (PostgreSQL preferred) and writing efficient queries Comfortable building and consuming APIs as part of delivering ...