51 to 75 of 318 JavaScript Jobs in London

React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc Automated testing frameworks for Python and JavaScript Terraform for infrastructure-as-code Agile delivery workflows Tooling experience: Git Jira Confluence Desirable (Nice to Have): Cypress GitHub Actions Splunk Other Requirements: Eligible ...

platform that connects both traditional and on‐chain financial services Must‐have experience: Strong backend engineering background with deep coding experience Professional experience with JavaScript/TypeScript (Node.js) and/or Golang Solid understanding of microservices, event‐driven systems & distributed architecture Strong knowledge of PostgreSQL and/or Redis Understanding ...

code reviews Senior Application Specialist – Key Skills Required Strong full-stack development background within LAMP environments 5+ years PHP experience (Laravel strongly preferred) Strong JavaScript, HTML and CSS skills Experience building scalable, secure and highly available systems REST and SOAP API integration experience Test Driven Development (TDD) and PHPUnit Docker ...

solving skills Experience collaborating with technical stakeholders such as researchers or data scientists Desirable Experience Experience with languages such as C++, C#, Rust, or JavaScript Experience building microservices or distributed systems Linux experience including debugging services and working with system logs Exposure to trading systems, market data, or systematic trading ...

years of experience building and shipping production software (full-stack or backend) Strong programming skills in at least one modern language (e.g., Python, TypeScript, JavaScript) Ability to thrive in early-stage, fast-paced, and high-uncertainty environments Excellent communication and collaboration skills Demonstrated curiosity and drive to learn through experimentation ...

practical technical solutions 🔹 What We’re Looking For Essential ✔️ 5+ years professional software development experience ✔️ Proven experience working on live production systems ✔️ Full-stack JavaScript/TypeScript (Next.js, Node, APIs, databases) ✔️ Python experience (scripting, services, tooling, data processing) ✔️ Strong refactoring and system-improvement skills ✔️ Comfortable in fast-moving, imperfect environments ...

using Azure Functions, Logic Apps, Service Bus, and REST APIs . Solid understanding of Dataverse architecture and data modelling . Experience with C#, .NET, JavaScript, and Dynamics 365 customisation and configuration . Proven experience working in Solution Architect or Technical Architect roles . Strong understanding of enterprise architecture principles ...

deployment and monitoring. What We’re Looking For Strong production experience with React , TypeScript and Next.js . Excellent skills in HTML5 , CSS3 , and modern JavaScript (ES6+). Proven experience with state‐management libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus ...

developing front-end applications using React . Ideally an understanding of React Native (even with personal projects) Proficiency in front-end fundamentals: HTML5, CSS3, JavaScript (ES6+). Experience working with relational databases (e.g., MySQL, PostgreSQL) and writing complex SQL queries. Proficient with version control systems, particularly Git. Experience building ...

driven integrations between enterprise platforms including CRM systems, web platforms, marketing systems, and analytics environments. Strong programming capability in languages such as Python, JavaScript/TypeScript, or C#. Experience developing integrations, automation pipelines, and backend services that support operational workflows. Experience working with modern web architectures, ideally including headless ...

technical experience. Must-have 3+ years of professional software engineering experience building and shipping production systems 3+ years with modern web technologies (TypeScript/JavaScript, React, Node.js) 2+ years of experience with AWS, specifically serverless Experience building and deploying scalable backend systems and APIs Comfortable working across the full stack ...

meaningful work. What You'll Be Doing Building robust Java/Spring Boot microservices Developing modern front-end applications with React, TypeScript/JavaScript, HTML & CSS Designing and implementing CI/CD pipelines (GitHub, GitLab, Jenkins) - essential Using Docker and containerised approaches Delivering cloud-native solutions on AWS or Azure … product What We're Looking For Essential Strong experience building Java microservices with Spring Boot Front-end experience with React and TypeScript/JavaScript Hands-on CI/CD pipeline delivery Git and modern version control workflows Docker/Docker Compose Experience working in agile, collaborative environments Excellent communication ...

experience as a Senior Developer or Technical Lead in Microsoft Dynamics 365 CE/Power Platform Strong hands-on expertise in: C#/.NET JavaScript & modern frameworks PCF (PowerApps Component Framework) Proven experience building custom plug-ins and advanced customisations Deep understanding of Dataverse and Power Platform architecture Strong experience ...

Requirement: Strong experience with Generative AI, Machine Learning, or LLM-based solutions. Deep expertise in AWS cloud architecture and DevOps practices. Experience with Python, JavaScript, or React. Hands-on experience with Terraform or AWS CDK. Strong knowledge of CI/CD, containerisation (Docker/Kubernetes), and DevOps tooling. Experience working ...

Engineer Frontend expertise in Vue.js and Nuxt.js (primary strength) Capable of backend tasks using Go or PHP Strong knowledge of HTML, CSS, and modern JavaScript ES6 Experience with RESTful APIs, gRPC, SQL/NoSQL databases Familiarity with Git, containerisation, and deployment tools Excellent problem solving, communication, and collaboration skills Ability ...

Your Profile Essential skills/knowledge/experience: 4-6 years of hands-on experience in web analytics implementation and reporting. Strong proficiency in JavaScript , HTML, and CSS for custom tagging. Basic SQL for data extraction and Python for advanced analysis are preferred. Experience with Power BI, Tableau, or Google ...

candidates usually fall down on their lack of skills with LogicApps this is essential Good, hardened Full Stack Development skills within C#, .NET, React, JavaScript, HTML/CSS, Azure PaaS (Azure Functions, Azure Logic Apps, Cosmos DB, Azure App Service, ARM/Bicep templates), SharePoint Acceptance that Development ...

least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills: HTML5, CSS, JavaScript Multi-threaded application development Understanding of Windows technologies If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone ...

candidates usually fall down on their lack of skills with LogicApps – this is essential Good, hardened Full Stack Development skills within C#, .NET, React, JavaScript, HTML/CSS, Azure PaaS (Azure Functions, Azure Logic Apps, Cosmos DB, Azure App Service, ARM/Bicep templates), SharePoint Acceptance that Development ...

continuously improve the user experience • Stay up to date with emerging technologies and front-end development trends Skills and Experience • Strong experience with JavaScript, HTML, and CSS • Experience working with modern frameworks such as React, Angular, or Vue.js • Good understanding of responsive design and cross-browser compatibility • Experience integrating RESTful ...

candidates from AWS or Azure backgrounds GCP is where you'll operate. The must-haves are: Kubernetes (GKE) Docker Terraform PHP (Symfony/Drupal) JavaScript Go Cloud SQL/MySQL Redis Nginx Cloud Load Balancing Varnish CDNs Cloudflare Bonus: GCP, BigQuery, Apigee, Vertex AI About You Proven leadership of Platform ...

candidates from AWS or Azure backgrounds — GCP is where you'll operate. The must-haves are: Kubernetes (GKE) · Docker · Terraform · PHP (Symfony/Drupal) · JavaScript · Go · Cloud SQL/MySQL · Redis · Nginx · Cloud Load Balancing · Varnish · CDNs · Cloudflare Bonus: GCP, BigQuery, Apigee, Vertex AI About You Proven leadership of Platform ...

developers to integrate RESTful APIs and handle data flow effectively. Knowledge and Skills: Proven experience in React.js and TypeScript development. Strong understanding of JavaScript and modern front-end technologies. Experience with state management libraries like Redux, Recoil, or similar. Familiarity with RESTful APIs Experience with version control systems, such ...

helping improve processes and fostering a collaborative engineering culture Partner with engineers across teams to support shared application goals Qualifications Strong experience with modern JavaScript and TypeScript on both backend (Node.js/NestJS) and frontend (React/Redux) Required Skills Solid understanding of API design principles (auth, scalability, security) Ability ...

engineering community to foster an inclusive and collaborative culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique ...