26 to 50 of 2,044 JavaScript Jobs in the UK

NoSQL (MongoDB, Cassandra) and performance tuning.Familiarity with messaging systems (Kafka, RabbitMQ) and asynchronous architectures.Strong programming experience in one or more languages (Java, C#, Python, JavaScript/TypeScript, Go) and build tools (Maven, Gradle).Experience implementing test automation strategies, TDD/BDD practices and load testing (JMeter).Practical knowledge of DevOps ...

bring to the table: Senior-level software engineering experience with strong hands-on capability Experience mentoring and supporting junior developers Strong knowledge of modern JavaScript/TypeScript development Experience working in Agile/Scrum environments Cloud development experience, particularly with Azure Frontend experience with React and TypeScript Backend experience with ...

J2EE and Web Services. Strong understanding of REST APIs, Spring Boot, Micro Services and SOA web services. Expertise with front-end technologies such as JavaScript, TypeScript, Angular, and/or ReactJS.Proficiency in SQL, including query writing, stored procedures, and basic data modeling. Strong experience with modern testing frameworks, including unit ...

using Java, J2EE and Web Services.Strong understanding of REST APIs, Spring Boot, Micro Services and SOA web services.Expertise with front-end technologies such as JavaScript, TypeScript, Angular, and/or ReactJS.Proficiency in SQL, including query writing, stored procedures, and basic data modeling.Strong experience with modern testing frameworks, including unit ...

tools (e.g. Jenkins, GitHub Actions, Azure DevOps) Experience working in a regulated industry (e.g. financial services, insurance, healthcare) Familiarity with front-end basics (JavaScript, HTML/CSS) for full-stack contributions Knowledge of software security best practices Along with our client, we are committed to a diverse workforce ...

practices, with experience across modern CI/CD pipelines.Expertise in cloud-based application design and delivery, with proficiency in technologies such as Java, SQL, JavaScript, Git and related engineering toolsets.Excellent communication and stakeholder management skills, with the ability to explain complex technical concepts and influence decision-making.Experience mentoring and developing ...

best practices.Required Skills & QualificationsEducationBachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).Technical SkillsCommercial experience of React.js, JavaScript, HTML, and CSS.Understanding of JavaFamiliarity with REST APIs.Knowledge of version control systems such as Git.Knowledge of Agile/Scrum methodologiesBasic understanding of SQL databases.Understanding ...

experience you'll bring:Extensive experience as a Senior QE SDET Engineer or Senior DeveloperHas breadth of experience across different tech-stacks, such as JavaScript/TypeScript, Java, C#, or Python, amongst othersExperienced in RAG Weaviate, OpenAI, Agents, MCP, Langchain, Prompt Engineering, Browser-Use, and DjangoExperienced building AI Tools, Agents ...

Hippo’s Engineering Herd internally and externally through knowledge sharing, workshops, or blogs.Skills and experience that you needEssential ExperienceExcellent experience in Node.js and modern JavaScript/TypeScript frameworks.Proven track record of delivering high-quality, robust, and scalable solutions within a delivery team.Expertise in coaching and guiding others on the best ...

Hippo’s Engineering Herd internally and externally through knowledge sharing, workshops, or blogs.Skills and experience that you needEssential ExperienceExcellent experience in Node.js and modern JavaScript/TypeScript frameworks.Proven track record of delivering high-quality, robust, and scalable solutions within a delivery team.Expertise in coaching and guiding others on the best ...

Hippo’s Engineering Herd internally and externally through knowledge sharing, workshops, or blogs.Skills and experience that you needEssential ExperienceExcellent experience in Node.js and modern JavaScript/TypeScript frameworks.Proven track record of delivering high-quality, robust, and scalable solutions within a delivery team.Expertise in coaching and guiding others on the best ...

Engineering Herd internally and externally through knowledge sharing, workshops, or blogs. Skills and experience that you needEssential ExperienceExcellent experience in Node.js and modern JavaScript/TypeScript frameworks. Proven track record of delivering high-quality, robust, and scalable solutions within a delivery team. Expertise in coaching and guiding others ...

designing and developing solutions utilising most of the following technologies:• Strong front end web development experience with Angular or React (we use Angular), Typescript, JavaScript, HTML/CSS with an eye for good UX• Experience in designing and building distributed systems using Microsoft C#, .NET Core and Web API• Experience ...

TypeScript, leveraging frameworks such as **Next.js** or **Vite**.* **GenAI Frameworks**: Familiarity with tools like **LangChain**, **LangGraph**, **CrewAI**, or **Vercel AI** (in Python or JavaScript).* **LLM experience**: Practical experience with **Large Language Models** (LLMs) such as **OpenAI**, **Anthropic**, **Mistral**, or **Llama**, and tools like **Ollama**.* **Cloud Platforms**: Proficiency ...

TypeScript, leveraging frameworks such as **Next.js** or **Vite**.* **GenAI Frameworks**: Familiarity with tools like **LangChain**, **LangGraph**, **CrewAI**, or **Vercel AI** (in Python or JavaScript).* **LLM experience**: Practical experience with **Large Language Models** (LLMs) such as **OpenAI**, **Anthropic**, **Mistral**, or **Llama**, and tools like **Ollama**.* **Cloud Platforms**: Proficiency ...

TypeScript, leveraging frameworks such as **Next.js** or **Vite**.* **GenAI Frameworks**: Familiarity with tools like **LangChain**, **LangGraph**, **CrewAI**, or **Vercel AI** (in Python or JavaScript).* **LLM experience**: Practical experience with **Large Language Models** (LLMs) such as **OpenAI**, **Anthropic**, **Mistral**, or **Llama**, and tools like **Ollama**.* **Cloud Platforms**: Proficiency ...

/equivalentProven years of experience in software development working with the following:C# preferred;SQL databases (e.g. SQL Server);Front-end technologies (HTML5, CSS, JavaScript frameworks – Angular preferred);Cloud services (Azure preferred);Experience with GenAI development tools such as Co-Pilot,Experience developing multi-layered products as a full stack ...

/equivalentProven years of experience in software development working with the following:C# preferred;SQL databases (e.g. SQL Server);Front-end technologies (HTML5, CSS, JavaScript frameworks – Angular preferred);Cloud services (Azure preferred);Experience with GenAI development tools such as Co-Pilot,Experience developing multi-layered products as a full stack ...

development experience building enterprise web applications and services, ideally including payroll, compensation, equity, HR, finance, or tax domains. Strong experience designing and building large JavaScript applications with Next.js and/or React (TypeScript, state management, performance optimization). Strong backend development experience in C# and .NET (ASP.NET, WebAPI, MVC) including ...

like JFrog, Nexus, etc.Good understanding on Containerisation solutions, e.g., K8, Docker, Kaniko, etc.Proficiency in at least one of the standard programming languages – Java/JavaScript, C#, Python, or similar Object-oriented programmingProficiency in at least one of the standard scripting languages – Terraform, Bash, Ansible, etc.Good understanding of Software engineering concepts ...

Google Cloud Platform.Understanding of how to design and implement RESTful APIs for generative AI applications.Familiarity with web development technologies, such as HTML, CSS, JavaScript, and React.Proficiency in database management systems and SQL.Experience developing ETL pipelines using distributed computing and parallel processing frameworks, such as Spark.Knowledge of Data Architecture & Data Modelling ...

Skills 3+ years' commercial experience with C# Strong ASP.NET, .NET Framework and .NET Core experience SQL Server and database design REST APIs and microservices JavaScript, TypeScript, HTML5 and CSS3 Experience working within Agile/Scrum teams Desirable Skills Azure Blazor Entity Framework/EF Core AI or Machine Learning integrations ...

engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principalsHands-on developing/coding role using the following technologies:Frontend (JavaScript/TypeScript or Angular or React or Node)Backend (Java, SpringBoot, Hibernate, Kotlin)Experience in estimation and sizingIntegration experienceAPI Design experienceCloud experienceAppetite to work with ...

practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role using the following technologies: Frontend (JavaScript/TypeScript or Angular or React or Node) Backend (Java, SpringBoot, Hibernate, Kotlin) Experience in estimation and sizing Integration experience API Design experience Cloud experience ...

practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role using the following technologies: Frontend (JavaScript/TypeScript or Angular or React or Node) Backend (Java, SpringBoot, Hibernate, Kotlin) Experience in estimation and sizing Integration experience API Design experience Cloud experience ...