51 to 75 of 895 JavaScript Jobs in the UK

building scalable quality solutions. Key Skills & Experience Proven experience in end-to-end test automation in production environments (6+ years) Strong programming skills in JavaScript, TypeScript, Python, or C# Experience designing test frameworks and automation architecture Solid API and UI automation experience (e.g. Playwright, Cypress, or similar) Strong understanding ...

code, backed by strong testing discipline (TDD, plus performance and security testing). Knowing when to keep a human in the loop. Advanced modern JavaScript/TypeScript, NodeJS and React. Web development principles (REST, SPA...). Microservice architecture, AWS and DevOps. Building LLM-powered features: tool-calling, retrieval-augmented generation ...

clear, accurate technical documentation for systems and processes. Required Skills & Qualifications Strong experience developing secure, maintainable, and scalable software. Proficiency in C#, ASP.NET, Java, JavaScript, Python, Web APIs, and Microsoft SQL. Hands‐on automation experience using PowerShell, Bash, Ansible, Terraform, JSON/YAML. Experience operating cloud‐first, mission-critical systems ...

pipelines. The Tech Stack You’ll Leverage Backend: Python (Flask), SQLAlchemy, MVT Architecture, Multi-threading/Multi-processing. Frontend: Jinja2, HTML5, CSS3, Vanilla JavaScript (jQuery, DataTables, AJAX), NPM. Data & Cloud: PostgreSQL, AWS (EC2, S3, RDS, etc.), Docker. DevOps: Azure DevOps, Git, CI/CD. Who You Are The Essentials ...

architecture Deep understanding of relational databases, SQL language and ORM tools Deep understanding of message brokers Experience with front‐end development using HTML, CSS, JavaScript frameworks Experience with Test Driven Development (TDD)/Behavior Driven Development Experience with cloud platforms and container technologies Experience with performance tuning and system optimization ...

teams. Dedication to understanding the business domain and translating product strategy into architecture and delivery plans. Corporate Actions domain experience strongly preferred. Experience with JavaScript/TypeScript and Angular for full-stack development contexts preferred. Expertise in Spring Framework, software architecture, and API/platform design preferred. Background in financial ...

Proficiency in performance testing tools like JMeter, Gatling, K6, Neoload, or Webload Strong coding skills in at least one language such as Java, TypeScript JavaScript, Python, C#, Scala, or PHP Experience designing and building automation frameworks Familiarity with Agile development environments ( SCRUM, Kanban, TDD, BDD ) Implementing pipelines using common tooling ...

Strong understanding of modern development practices (CI/CD, automated testing, DevOps, cloud‐native architectures). Broad knowledge of the following technology stacks (e.g., JavaScript/TypeScript, Python, .NET, Java, Low‐Code) and experience overseeing full‐stack development. Experience with cloud platforms (AWS, Azure etc.). Strong understanding of data ...

permissions (AWS), DevOps security, CI/CD, CI/CD tools (GitHub Workflows), Git, Python development, Python testing frameworks (pytest, unittest), JavaScript knowledge (Node.js), RabbitMQ, FFMPEG, Linux systems administration Machine Learning Applied machine learning, computer vision, object detection, image classification, model development and evaluation, data annotation and curation, training pipelines ...

within your team Collaborate with your peers on technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code ...

within your team Collaborate with your peers on technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code ...

code reviews and delivery planning Collaborating closely with Product, QA, Data, Platform and Operations teams What we're looking for Commercial React experience Strong JavaScript or TypeScript skills Experience building and maintaining production software Understanding of software design, testing and maintainability Experience working with APIs and backend services Confidence using ...

continuous improvement. Support and mentor team members. About You 3+ years' experience in software development. Strong experience with C#, SQL Server, HTML5, CSS3 and JavaScript/TypeScript . Experience with software design, testing and structured development processes. Excellent communication skills and a passion for problem-solving. Experience with ASP.NET Core ...

Strong knowledge of .NET 6-10 and .NET Framework 4.8. SQL. Experience with VB.NET. HTML, CSS and JavaScript. Experience with at least one modern JavaScript framework such as Vue.js, React, Angular or Lit. Desirable Skills: .NET WebForms or WinForms. TypeScript. Umbraco CMS. WCF. Azure DevOps. What's on Offer: Hybrid ...

delivery processes. What We're Looking For Commercial experience developing applications with Python. Strong knowledge of PostgreSQL/SQL and relational databases. Experience with JavaScript, with React exposure desirable. Experience developing RESTful APIs and system integrations. Familiarity with Git and modern CI/CD tools such as Azure DevOps ...

stack experience within an agile team building enterprise-grade web applications or backend services Java development with Spring Boot Front-end development using modern JavaScript frameworks (e.g., React, Vue) Experience with cloud platforms such as AWS or Azure Containerisation and orchestration using Docker and Kubernetes Infrastructure as Code (Terraform, Ansible ...

continuous improvement within your team. Collaborate with your peers on technical direction within your team. Required Skills and Experience Full‐stack experience across JavaScript frameworks (React, NextJS), TypeScript, Python, Java. REST API development & OpenAPI/Swagger. Cloud services (AWS or Azure). Containerisation & Orchestration (Docker, Kubernetes, OpenShift). Infrastructure ...

enabled products and tools Working closely with business stakeholders to turn ideas into practical solutions Technology environment includes: .NET and C# React, JavaScript and TypeScript Azure, Azure DevOps and AKS GitOps deployment practices PowerShell automation Python within emerging AI solutions What we're looking for Strong hands-on software engineering ...

forward-thinking technical environment. Requirements Strong commercial experience with C# .NET (Core) Solid frontend development skills using Angular Strong experience with TypeScript/JavaScript Experience working with Azure (App Services, Functions, DevOps, CI/CD) Strong SQL/database knowledge Experience building and consuming RESTful APIs Comfortable working across ...

/C#, ASP.NET, Web APIs, and modern engineering practices. Experience with Sitecore JSS and/or headless architectures (e.g., Sitecore Headless Services) and modern JavaScript frameworks (React/Next.js desirable). Solid knowledge of Azure and cloud‐native patterns (App Service, Functions, Storage, Key Vault, CDN); infrastructure as code experience ...

Contribute to continuous improvement within your team Collaborate with peers on technical direction within your team Required Skills and Experience Full‐stack experience across JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & orchestration (Docker, Kubernetes, OpenShift) Infrastructure as code ...

standards Key Skills & Experience Strong commercial experience in Java Proven experience developing microservices architectures Solid experience with SQL/relational databases Frontend experience with JavaScript Experience with CI/CD pipelines and DevOps practices Strong understanding of software engineering principles and best practices Experience working in Agile environments Desirable Experience ...

checkout experiences Support continuous improvement initiatives within agile delivery teams Required Skills & Experience Strong commercial experience with React Expert knowledge of TypeScript and modern JavaScript (ES6+) Experience building and maintaining Progressive Web Apps (PWAs) Strong understanding of HTML5, CSS3 and SCSS Responsive and mobile-first development experience REST ...

using Microsoft Power Platform and Microsoft 365 Knowledge of Dataverse, SharePoint Framework, Microsoft Graph API, and Azure services Experience with programming languages such as JavaScript, C#, Power Fx, HTML, and CSS Proven experience integrating third-party systems via APIs Understanding of security, compliance, and governance within M365 environments Experience working ...

back-end systems. You will need experience with: TypeScript React, Next.js or similar front-end technologies Node.js, Bun or similar server-side JavaScript/TypeScript environments REST APIs, ideally with Express, Nest.js or similar MongoDB and/or relational databases Unit testing with Jest or similar Working ...