301 to 325 of 2,287 JavaScript Jobs in England

engagementsExperience developing, modifying, or extending offensive security tooling, scripts, or payloadsWorking knowledge of at least one of C, C#, Python, PowerShell, and/or JavaScript, to support offensive security objectivesPractical understanding of evasion techniques, endpoint security controls, operational security, and detection-aware tradecraftStrong understanding of networking and web protocols, including ...

automation frameworks from scratch using Object-oriented and scripted languages Has breadth of experience across different tech-stacks. At least two of the following: JavaScript/TypeScript, Java, C#, or Python, amongst others Has a depth of knowledge in the Object-oriented Programming paradigm (OOP) and has practically applied ...

related technical field, or equivalent practical experience.* **5+ years of progressive software engineering experience** developing applications in languages such as Java, Python, or JavaScript, with experience independently delivering complex technical solutions.* Strong hands-on experience designing and delivering cloud-native solutions using AWS or equivalent, containerized microservices, and modern software ...

judgment to say what a passing suite does and does not prove about meeting the requirements. Front-end development with TypeScript and JavaScript, building user interfaces in React and working with the Node.js tooling around them. Back-end service development in Java, implementing and consuming REST APIs. Preferred Qualifications Fluency ...

Redis)* Source Control Management (GIT)Desirable technical skills:* C++ experience/Experience with C++ interop* Entity Framework Core experience (Sql server, Oracle)* Python, Java, JavaScript and other advanced languages* Test Driven Development* Build Management and Continuous Integration* Front End developmentNice to have technical skills:* Continuous integration processes, automated test execution ...

Langflow, Tensorflow Knowledge of Infrastructure as Code, CI/CD Use of Middleware and RESTful or GraphQL APIs Microservices and MACH Architectures. HTML, CSS, Javascript frameworks such as React, or Mobile technologies such as SwiftUI, Kotlin, Flutter or React‐native CMS, DXPs and common MarTech SaaS products integration Atlassian, Azure ...

culture where your contributions matter and your growth is supported. What you’ll work on: Developing full-stack features using C#, .NET, HTML, CSS, JavaScript, and SQL. Writing and optimizing hand-crafted SQL queries to ensure high performance. Designing and implementing event-driven workflows using Event Store. Enhancing search ...

experience implementing DevSecOps practices at scale across enterprise-grade applications and platforms. Technical proficiency across a variety of technologies including Java, PL/SQL, JavaScript, Git and CI/CD tooling. Experience designing and implementing scalable cloud-based applications with a strong focus on performance, security and operational excellence. Strong ...

enabling you to build industry leading products, we'd love to hear from you!RequirementsProficiency in at least one programming language. I.e Python, C#, JavaScript, Kotlin, Java, Go.. Experience with Gen AI tools (e.g LangGraph, CrewAI, Hugging Face, OpenAI APIs etc)Experience in building and optimising systems for performance, scalability ...

practicesWhat experience would help someone be successful in this role at Roku Proven full stack engineering experience with production web applicationsStrong skills in TypeScript, JavaScript, React, and Node.jsExperience with backend development in Python or Go and frameworks such as FastAPIFamiliarity with PostgreSQL, Redis, and REST API design and integrationExperience with ...

modern SDLC, TDD, and code review.Data: Working with relational, columnar, and vector stores, grounded in sound data-modelling principles.Languages: Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs.Mentoring: Developing skills in mentoring engineers through pair programming and day-to-day collaboration.Communication: Clear written and verbal communication with technical peers ...

products. Experience with localisation quality or testing across multilingual products, platforms, or regions. Strong programming skills in one or more languages such as Python, JavaScript, TypeScript, or Java. Hands‐on experience building or experimenting with AI agents, plugins, copilots, or intelligent workflow tools. Experience with APIs, structured data, system integrations ...

SDLC, TDD, and code review. Data: Working with relational, columnar, and vector stores, grounded in sound data-modelling principles. Languages: Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs. Mentoring: Developing skills in mentoring engineers through pair programming and day-to-day collaboration. Communication: Clear written and verbal communication ...

products.- Experience with localisation quality or testing across multilingual products, platforms, or regions.- Strong programming skills in one or more languages such as Python, JavaScript, TypeScript, or Java.- Hands-on experience building or experimenting with AI agents, plugins, copilots, or intelligent workflow tools.- Experience with APIs, structured data, system integrations ...

huge impact to the security of the UK.About youYou will have experience in many of the following:Programming in one or more of JavaScript, Java, .Net, PythonCollaboratively designing and building Proof of Concept or Production systemsSource controlling your code with Version Control Systems, for example Git, Mercurial, PerforceUtilising CI/ ...

understanding microservices architectureDeep understanding of relational databases, SQL language and ORM toolsDeep understanding of message brokersExperience with front-end development using HTML, CSS, JavaScript frameworksExperience with Test Driven Development (TDD)/Behavior Driven DevelopmentExperience with cloud platforms and container technologiesExperience with performance tuning and system optimizationExposure to agile methodologies such ...

SDLC, TDD, and code review. Data: Working with relational, columnar, and vector stores, grounded in sound data-modelling principles. Languages: Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs. Mentoring: Developing skills in mentoring engineers through pair programming and day-to-day collaboration. Communication: Clear written and verbal communication ...

Code technologies, including Terraform, CloudFormation, or equivalent automation frameworks.Proficiency in one or more programming or scripting languages such as Python, Java, Go, C#, JavaScript, TypeScript, PowerShell, or Bash.Experience with cloud platforms including Microsoft Azure, Amazon Web Services (AWS), OCI, or Google Cloud Platform (GCP).Familiarity with containerization and modern platform ...

partner organisations. Essential Skills 3+ years’ proven experience in a GIS Software Engineering role, with strong skills in .NET, Java or Python, plus modern JavaScript libraries. Experience designing scalable geospatial applications using AWS or Azure. Experience working with GIS platforms, geospatial data and spatial APIs. Knowledge of open geospatial technologies ...

Flink or Spark Streaming. Experience with task orchestration tools such as Apache Airflow or similar systems. Familiarity with additional technologies: GraphQL, React, HTML5, JavaScript, CSS, Postgres, Gradle, BERT. Experience working with and designing infrastructures for large‐scale data processing (Hive, Snowflake, NoSQL databases). Experience with data governance practices ...

open-source LLMs like LLama, DeepSeek, and Mistral).Programming Proficiency: Competence and hands-on experience in at least one of the following languages: Java, JavaScript, Python, or C#. Ability to write clean, maintainable, and efficient code is essential.Deployment and Version Control: Hands-on experience with deployment software on major platforms ...

enterprise system, ensuring high quality and scalability while mentoring fellow developers. With 5-8 years of experience, you should be proficient in HTML5, CSS3, JavaScript, and understand Git, CI/CD, and Agile practices. Enjoy benefits like flexible hours, hybrid work, and generous annual leave. #J-18808-Ljbffr ...

user-facing applications while supporting production environments and continuous improvement. Key Skills: Advanced Python and Flask development REST API development and object-oriented programming JavaScript with React.js or Angular MongoDB and NoSQL database design Linux/Unix and Bash/Shell scripting Git, Bitbucket and Jenkins CI/ ...

Boot REST APIs Microservices AWS EC2 Lambda CloudWatch Networking Awareness TDD (Test Driven Development) SQL Databases NoSQL Databases MongoDB PostgreSQL Nice to Have Node.js JavaScript/TypeScript Azure BDD Playwright Experience Required Strong commercial Java development experience Building scalable Microservices and RESTful APIs Cloud-native development within AWS Experience with ...

months mentoring or leading junior engineers . Key technical skills include: Frontend: ReactJS, Next.js, modern UI principles. Backend: Node.js, ASP.NET (C#), Spatial Data Languages: JavaScript (ES6+), TypeScript, C# Databases: SQL Server, PostgreSQL, MongoDB. APIs: RESTful, GraphQL. Testing: Jest or similar frameworks. Cloud Infrastructure: DevOps/AWS/Github/Jira ...