2,326 to 2,350 of 3,007 ECMAScript Jobs

Responsibilities: Independently design and develop automation solutions using Python, focusing on operational support systems and automation. Lead code reviews and ensure code quality. Develop and implement user interfaces using JavaScript and React. Develop and maintain server-side logic using Python, managing APIs, and integrating third-party services. Design and manage databases in Postgres, ensuring data integrity and security. Build and … systems and automation solutions in Python. Experience leading code reviews. Hands-on experience with Selenium and iOS functional automation. Experience with testing activities throughout the project lifecycle. Proficiency in JavaScript and React for front-end development. Experience with Python for back-end development, API management, and third-party service integration. Experience with Postgres database design and management. Expertise in building More ❯

Responsibilities: Independently design and develop automation solutions using Python, focusing on operational support systems and automation. Lead code reviews and ensure code quality. Develop and implement user interfaces using JavaScript and React. Develop and maintain server-side logic using Python, managing APIs, and integrating third-party services. Design and manage databases in Postgres, ensuring data integrity and security. Build and … systems and automation solutions in Python. Experience leading code reviews. Hands-on experience with Selenium and iOS functional automation. Experience with testing activities throughout the project lifecycle. Proficiency in JavaScript and React for front-end development. Experience with Python for back-end development, API management, and third-party service integration. Experience with Postgres database design and management. Expertise in building More ❯

Youll be the bridge between development and clients solving issues, supporting workflows, and delivering excellent service. What youll need: Software/Application Support experience (or relevant degree) Knowledge of JavaScript, HTML, CSS, APIs Strong communication & problem-solving skills Customer-focused, logical, calm under pressure Nice to have: Low-Code, SaaS, DevOps, ITIL, Software Testing This is an exciting chance to More ❯

STM32, CubeMX) Experience with embedded OSs such as FreeRTOS, Zephyr, or Embassy Solid understanding of communication protocols: I2C, UART, SPI, Bluetooth LE Desirable: Exposure to languages such as Python, JavaScript, Swift, Java, etc. GUI development with Qt, TouchGFX, Crank Familiarity with tools like Git, Jira, Confluence Ability to work across the full tech stack, from hardware to UI Please reach More ❯

don't meet every qualification listed. Your Impact Design and implement application architecture that is scalable, maintainable, observable, and high-performing. Write clean, efficient, and well-documented Ruby/JavaScript (or other backend language) code. Conduct code reviews, review architecture, and contribute to engineering best practices. Identify and optimise performance bottlenecks across systems. Collaborate closely with cross-functional teams to … against vulnerabilities. What You'll Bring Proven experience delivering large-scale systems in production. Strong grounding in Domain-Driven Design, API-first architecture, and software design patterns. Proficiency in JavaScript (React/Next) or another backend language, with knowledge of Ruby as a plus. Experience with Pub/Sub, websockets, and Server-Sent Events (SSE). A strong product engineering More ❯

variety of web-based projects. Part Time Software Developer Requirements: A commercial understanding of ASP.Net, C#, and Web APIs. A solid understanding of front-end technologies, such as Blazor, Javascript, and CSS. Great communication skills when liaising with the wider team. This role offers flexible working hours and the opportunity to have significant influence over .Net projects. The company is More ❯

CS or related discipline Skills: - Software Engineering with (C++; C#) Object oriented programming/design - MVC web application development with ASP.NET - Networking Software (TCP, UDP, ICMP, multicast, etc.) - HTML - JavaScript - Ability to work hand-in-hand with customers in real-time Experience: - Minimum 5 years of experience - Web Application development for thin-client servers More ❯

3+ years of experience with the following: o Pipeline Engineering o Data Engineering o Software Engineering • Comfortable reading and writing code in: o Python and Java o TypeScript/JavaScript • Military experience is desired This role may require relocation to Colorado Springs, CO Required: Active DoD TS/SCI Clearance Job Type: Full-time More ❯

The candidate will be responsible for: developing software for cyber security systems developing novel signal, image, or data processing applications developing solutions in C/C++, HTML, Typescript/Javascript, Python, and Rust providing support and training to our customers in using the software. Excellent benefits package. Background security check will be required before working on site. More ❯

on innovation, we're looking for a Full Stack Developer to help evolve a platform and build new features that make a real difference. You'll work across a JavaScript-based stack primarily Vue.js on the front end and Node.js on the backend contributing to new features, refreshing legacy components, and helping evolve our core platform. There's plenty of More ❯

5+ years of experience with Ruby on Rails (Hotwire/Turbo/Stimulus a plus) Strong knowledge of RESTful APIs and service-oriented architecture Familiarity with front-end technologies (JavaScript, React, or similar) Experience with relational databases (PostgreSQL preferred) Exposure to Agile/Scrum workflows and CI/CD pipelines Why join? Competitive salary up to £95k + benefits package More ❯

5+ years of experience with Ruby on Rails (Hotwire/Turbo/Stimulus a plus) Strong knowledge of RESTful APIs and service-oriented architecture Familiarity with front-end technologies (JavaScript, React, or similar) Experience with relational databases (PostgreSQL preferred) Exposure to Agile/Scrum workflows and CI/CD pipelines Why join? Competitive salary up to £95k + benefits package More ❯

Our database engine is MongoDB and our observability platform is Datadog. Our application is written in Typescript/NodeJS and our infrastructure is defined in Terraform. Experience working with JavaScript/TypeScript but also open to other languages like Go or Python. Required experience working within Financial Services/Fintech space. More ❯

5+ years of experience with Ruby on Rails (Hotwire/Turbo/Stimulus a plus) Strong knowledge of RESTful APIs and service-oriented architecture Familiarity with front-end technologies (JavaScript, React, or similar) Experience with relational databases (PostgreSQL preferred) Exposure to Agile/Scrum workflows and CI/CD pipelines Why join? Competitive salary up to £95k + benefits package More ❯

5+ years of experience with Ruby on Rails (Hotwire/Turbo/Stimulus a plus) Strong knowledge of RESTful APIs and service-oriented architecture Familiarity with front-end technologies (JavaScript, React, or similar) Experience with relational databases (PostgreSQL preferred) Exposure to Agile/Scrum workflows and CI/CD pipelines Why join? Competitive salary up to £95k + benefits package More ❯

5+ years of experience with Ruby on Rails (Hotwire/Turbo/Stimulus a plus) Strong knowledge of RESTful APIs and service-oriented architecture Familiarity with front-end technologies (JavaScript, React, or similar) Experience with relational databases (PostgreSQL preferred) Exposure to Agile/Scrum workflows and CI/CD pipelines Why join? Competitive salary up to £95k + benefits package More ❯

and manage application state Optimise performance and ensure accessibility best practices Write clean, testable code and participate in peer reviews Key Skills: Strong experience with React, TypeScript, and modern JavaScript Familiarity with frontend tooling (Vite, Webpack, ESLint, Prettier) Understanding of REST APIs and client-side state management (Redux, TanStack Query) Responsive design, accessibility (WCAG), and cross-browser compatibility Experience working More ❯

marketing, and product teams Ensure great performance across devices and browsers 🎯 What We’re Looking For 1-3 years’ experience in frontend development, React Solid skills in HTML, CSS, JavaScript (ES6+) Experience with Webflow Comfortable working from Figma React (functional components, hooks) Good grasp of responsive design & accessibility Git/version control experience 🔥 Nice to Have Animation libraries (GSAP, Framer More ❯

marketing, and product teams Ensure great performance across devices and browsers 🎯 What We’re Looking For 1-3 years’ experience in frontend development, React Solid skills in HTML, CSS, JavaScript (ES6+) Experience with Webflow Comfortable working from Figma React (functional components, hooks) Good grasp of responsive design & accessibility Git/version control experience 🔥 Nice to Have Animation libraries (GSAP, Framer More ❯

and monitoring Ensure best practices around security, performance, and maintainability Skills & Experience Required: Proven experience with Microsoft Power Platform and UiPath Strong understanding of HTTP, HTML/CSS/JavaScript Experience with structured data formats such as XML and JSON Knowledge of SQL Server, PostgreSQL, and Dataverse Familiarity with enterprise tools and practices: authentication/authorisation, cloud hosting (Azure), source More ❯

marketing, and product teams Ensure great performance across devices and browsers 🎯 What We’re Looking For 1-3 years’ experience in frontend development, React Solid skills in HTML, CSS, JavaScript (ES6+) Experience with Webflow Comfortable working from Figma React (functional components, hooks) Good grasp of responsive design & accessibility Git/version control experience 🔥 Nice to Have Animation libraries (GSAP, Framer More ❯

architectures (ie MVP/MVVM/MVI/Clean Architecture) and experience with common libraries such as (Dagger2, Retrofit, Coroutines - RxJava), Cloud message APIs and push notifications, HTML5, CSS3, JavaScript, and responsive web design as well as knowledge of RESTful APIs and web services. More ❯

Location: Remote(UK-based)withmeetupsinLondon2xpermonth Type: Full-time Salary: Competitive,basedonexperience Experiencelevel: Mid-Senior Skillsneeded -PHP,CraftCMS,JavaScript,HTML,CSS TheCompany: Weareworkingwithawell-establishedUK-basedprintanddigitalpublishingbusinesswithastrongpresenceinbothtraditionalandonlinemedia.It'sasmallbutdynamicandforward-thinkingteamcommittedtogrowingtheirdigitalplatformsandexpandingdevelopmentcapabilities.Wearelookingforatalenteddevelopertoplayakeyroleinbothday-to-daydevelopmentandthewiderstrategicevolutionofdigitalplatforms.Thisisanexcitingopportunityforsomeonewhoenjoysvariety,problem-solving,andwantstogrowintoaleadershiporteammanagementrolewhileremaininghands-onwithdevelopment. Remember to check your CV before applying Also, ensure you read through all the requirements related to this role. TheRole: Developingandmaintainingwebsites Supportingandmentoringjuniordevelopers Collaboratingwithexternalagenciesonlargertechnicalprojects Contributingtothehiringandteam-buildingprocessastheyexpand Helpingshapetechnicaldecisionsandarchitecture KeyRequirements: StrongexperiencewithPHP More ❯

marketing, and product teams Ensure great performance across devices and browsers 🎯 What We’re Looking For 1-3 years’ experience in frontend development, React Solid skills in HTML, CSS, JavaScript (ES6+) Experience with Webflow Comfortable working from Figma React (functional components, hooks) Good grasp of responsive design & accessibility Git/version control experience 🔥 Nice to Have Animation libraries (GSAP, Framer More ❯

marketing, and product teams Ensure great performance across devices and browsers 🎯 What We’re Looking For 1-3 years’ experience in frontend development, React Solid skills in HTML, CSS, JavaScript (ES6+) Experience with Webflow Comfortable working from Figma React (functional components, hooks) Good grasp of responsive design & accessibility Git/version control experience 🔥 Nice to Have Animation libraries (GSAP, Framer More ❯