301 to 325 of 5,805 JavaScript Jobs in the UK

enjoying what the world has to offer About the Role: Tech Stack: Backend: AWS Lambda, API Gateway, DynamoDB, S3, Node.js Frontend: React/Next.js, React Native Programming Languages: TypeScript; JavaScript, Python Infrastructure: Terraform, GitHub CI/CD pipelines Responsibilities: Design, develop, and maintain advanced applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. … and Android platforms, having a deep understandingof the ecosystem differences. Familiarity with RESTful APIs and mobile libraries for networking. Experience with performance and memory tuning tools. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud More ❯

junior engineers Writing clean, efficient C# .NET code for scalable, cloud-native systems Contributing to architecture decisions and improving DevOps pipelines Working across the full stack with exposure to JavaScript/React/Angular, and Azure services Supporting quality through testing, code reviews and debugging Staying curious and sharing your knowledge with the team What you'll bring Strong C# … .NET experience in a commercial environment Good knowledge of Azure (or similar cloud platform) Familiarity with JavaScript frameworks (ReactJS, AngularJS etc.) Familiarity with Linux environments and GPU programming would be beneficial Experience with CI/CD, DevOps, and modern engineering practices A passion for clean code, good design and solving meaningful problems Experience mentoring others and working in agile teams More ❯

Senior Full Stack C# Developer, Senior .Net Core/React Analyst Programmer , AWS, Cloud, Azure, C#/.Net, Microsoft Stack, ASP.Net, MVC, WEB, React, Angular, JavaScript, CI/CD - Nottingham 75K Global Software House - East Midlands Salary up to 75K + pension, bonus, flex around start/finish times. - 3 days in office Do you have a solid background in … driven mindset toward achieving measurable outcomes, and authentic enthusiasm for using technology to address practical problems. Technical environment: .Net Core, C# 6+, SQL/Postgres, Visual Studio, GIT lab, JavaScript/React, CI/CD, AWS Company: This technology company has been developing sustainable energy infrastructure solutions for almost 20 years, currently overseeing 25,000+ renewable installations across 35+ countries. More ❯

Senior Software Engineer - hybrid (3 days a week on-site) I'm working with a growing FinTech in Manchester, looking to scale their engineering team with an experienced JavaScript-focused SWE to improve and add new features to their existing platform. You will be a part of a fairly small agile team, communicating with PMs, Designers, and stakeholders to understand … for continuous improvement of the innovative product, whilst helping to mentor more junior devs in the team. Here are the skills our client are looking for: Strong experience in JavaScript and TypeScript Deep understanding of React.js, ideally Next.js Proficiency in Node.js, particularly Express.js for backend services Familiarity with AWS services and cloud architecture Infrastructure as code expertise using Terraform Containerisation More ❯

Provide technical leadership, mentoring, and guidance to development teams. Develop Azure application and integration components using technologies defined in solution architectures, including Azure stack (Functions, APIM, CDN), C# & .NET, JavaScript, Python, and REST/Graph APIs. Work with database technologies like Synapse, SQL Server, Azure SQL, CosmosDB. Create data pipelines and ETL processes using Azure Data Factory, Data Flow, Databricks …/Spark, and Azure storage solutions. Develop and integrate Microsoft Dynamics with ERP modules, utilizing Power Platform, Dataverse, C#, .Net, JavaScript, TypeScript, HTML, and CSS. Implement monitoring and alerting frameworks for proactive operation. Conduct unit, integration, and system testing to ensure quality. Manage code, build, and release automation using Azure DevOps or GitHub. Manage Azure resources with ARM templates, ensuring More ❯

Senior Software Engineer - hybrid (3 days a week on-site) I'm working with a growing FinTech in Manchester, looking to scale their engineering team with an experienced JavaScript-focused SWE to improve and add new features to their existing platform. You will be a part of a fairly small agile team, communicating with PMs, Designers, and stakeholders to understand … for continuous improvement of the innovative product, whilst helping to mentor more junior devs in the team. Here are the skills our client are looking for: Strong experience in JavaScript and TypeScript Deep understanding of React.js, ideally Next.js Proficiency in Node.js, particularly Express.js for backend services Familiarity with AWS services and cloud architecture Infrastructure as code expertise using Terraform Containerisation More ❯

Senior Software Engineer - hybrid (3 days a week on-site) I'm working with a growing FinTech in Manchester, looking to scale their engineering team with an experienced JavaScript-focused SWE to improve and add new features to their existing platform. You will be a part of a fairly small agile team, communicating with PMs, Designers, and stakeholders to understand … for continuous improvement of the innovative product, whilst helping to mentor more junior devs in the team. Here are the skills our client are looking for: Strong experience in JavaScript and TypeScript Deep understanding of React.js, ideally Next.js Proficiency in Node.js, particularly Express.js for backend services Familiarity with AWS services and cloud architecture Infrastructure as code expertise using Terraform Containerisation More ❯

against cyber-attacks. Are you ready to join us on the journey to elevate Everywhere Work? Why We Need you! Ivanti is seeking a Staff Software Engineer - UI, Angular, JavaScript to enhance the user experience of our Enterprise Service Management platform. The ideal candidate should have 10+ years of experience in software development, preferably in enterprise-level product cloud applications. … later (or equivalent MVVM framework) for front-end development. Mentor junior developers. Translate stakeholder requirements into technical solutions. Who You Are Highly skilled in developing user interfaces with modern JavaScript frameworks like Angular or React. Proficient in performance tuning and network application architecture. Creative problem solver with strong organizational skills. Effective communicator and collaborative team player. Passionate about emerging technologies … Role, You Will Have: Bachelor's or master's Degree in computer science or computer engineering. 10+ years of experience in software development. Strong skills in HTML/CSS, JavaScript, and optionally .NET Core. Solid understanding of web application security, session management, and best practices. Knowledge of relational databases, Object-Oriented Programming, and web development. Experience with network diagnostics and More ❯

requires a solid understanding of software development principles, from UI/UX considerations to backend architecture and integrations. You will primarily design and implement APIs and services using Node.js , JavaScript , and TypeScript , and contribute to frontend development using React . A key aspect of this role is the ability to effectively understand and work WITH AI-powered developer tools (e.g. … data sources. Optimize application performance, reliability, and scalability. Work with data at scale and integrate it into internal pipelines and systems. Frontend Development: Develop user-friendly interfaces using React , JavaScript/TypeScript , and ensure optimal performance across various devices and browsers. Implement responsive designs and ensure seamless integration with backend services. Full-Stack Contributions: Collaborate with cross-functional teams to … a related field, or equivalent practical experience. Experience: 2-4 years of proven experience in a software engineering role. Solid experience in full-stack development, with demonstrable skills in JavaScript , TypeScript , Node.js (for backend), and React (for frontend). A stronger inclination and experience towards backend development is preferred. Proficiency in building and consuming RESTful APIs; familiarity with GraphQL is More ❯

and design patterns. Create middleware and intranet applications that streamline internal workflows and communication between distributed systems. Write clean, maintainable, and efficient code across multiple languages (C#, PHP, Python, JavaScript). Develop and consume REST APIs, ensuring secure, performant communication between services. Ensure scalability and resilience in applications handling large volumes of traffic and burst events. Implement and refine queue … workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Required Skills & Experience Strong commercial development experience in: ASP.NET Core , C# PHP , Python , JavaScript SQL dialects : MySQL, MSSQL, PostgreSQL Familiarity with Redis , ElasticSearch , REST APIs Experience with Windows-based development : services, scheduled tasks, web servers (e.g. IIS). Magento or other open-source e More ❯

and design patterns. Create middleware and intranet applications that streamline internal workflows and communication between distributed systems. Write clean, maintainable, and efficient code across multiple languages (C#, PHP, Python, JavaScript). Develop and consume REST APIs, ensuring secure, performant communication between services. Ensure scalability and resilience in applications handling large volumes of traffic and burst events. Implement and refine queue … workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Required Skills & Experience Strong commercial development experience in: ASP.NET Core , C# PHP , Python , JavaScript SQL dialects : MySQL, MSSQL, PostgreSQL Familiarity with Redis , ElasticSearch , REST APIs Experience with Windows-based development : services, scheduled tasks, web servers (e.g. IIS). Magento or other open-source e More ❯

advanced data solutions. Lead the architecture, development, and maintenance of comprehensive data integration systems, employing efficient ETL processes using Python, Pandas, and NumPy for large-scale data manipulation. Apply JavaScript or another object-oriented language (e.g., Python, C#) in client environments to seamlessly integrate various system functionalities. Proactively test, diagnose, and refine software applications alongside clients, aiming for high quality … all the necessary training and support) A bachelor’s degree in computer science, a related field, or an equivalent combination of education and experience. Proficient in software development with JavaScript and Python. Experience with CI/CD practices and version control systems, preferably GitLab. Strong experience in shell scripting and cron job scheduling for automating data processes. Solid background in … working with various JavaScript frameworks (e.g., React, Redux, Vue, Backbone, Angular). Experience in deploying software on leading cloud computing platforms (such as GCP, AWS, Azure). Understanding of both SQL and NoSQL database technologies. Strong skills in data structures, algorithm design, and implementation. Proficiency in handling and analyzing time-series data, including its cleansing and normalization. Familiarity with Agile More ❯

and design patterns. Create middleware and intranet applications that streamline internal workflows and communication between distributed systems. Write clean, maintainable, and efficient code across multiple languages (C#, PHP, Python, JavaScript). Develop and consume REST APIs, ensuring secure, performant communication between services. Ensure scalability and resilience in applications handling large volumes of traffic and burst events. Implement and refine queue … workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Required Skills & Experience Strong commercial development experience in: ASP.NET Core , C# PHP , Python , JavaScript SQL dialects : MySQL, MSSQL, PostgreSQL Familiarity with Redis , ElasticSearch , REST APIs Experience with Windows-based development : services, scheduled tasks, web servers (e.g. IIS). Magento or other open-source e More ❯

and design patterns. Create middleware and intranet applications that streamline internal workflows and communication between distributed systems. Write clean, maintainable, and efficient code across multiple languages (C#, PHP, Python, JavaScript). Develop and consume REST APIs, ensuring secure, performant communication between services. Ensure scalability and resilience in applications handling large volumes of traffic and burst events. Implement and refine queue … workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Required Skills & Experience Strong commercial development experience in: ASP.NET Core , C# PHP , Python , JavaScript SQL dialects : MySQL, MSSQL, PostgreSQL Familiarity with Redis , ElasticSearch , REST APIs Experience with Windows-based development : services, scheduled tasks, web servers (e.g. IIS). Magento or other open-source e More ❯

the full development lifecycle - from gathering requirements and designing solutions to building, testing, and deploying them in Azure. You'll be working primarily with C#, .NET Core, ASP.NET MVC, JavaScript, Angular, and SQL Server to develop and maintain both internal and client-facing applications. Your day-to-day could include writing robust APIs, improving database performance, enhancing user interfaces, or … role offers the variety and challenge you're looking for. As the Software Engineer, you will: Designing and developing full-stack applications using C#, .NET Core, ASP.NET MVC, HTML, JavaScript, JQuery, Angular and SQL Server. Writing clean, efficient and testable code that powers data-driven applications and APIs. Deploying and supporting applications in Microsoft Azure. Creating and optimising SQL Server … and experience relevant to this role: Proven experience developing in .NET/C# and ASP.NET MVC. Strong knowledge of SQL Server, including writing and optimising queries. Experience with modern JavaScript frameworks (ideally Angular) and front-end development. Understanding of RESTful APIs and cloud-based application deployment, particularly in Azure. Familiarity with Azure DevOps and Agile project delivery. Analytical thinking and More ❯

unable to sponsor a work visa for this role. You must have existing UK work authorization. Key Responsibilities Design, develop, and maintain backend services and APIs using TypeScript/JavaScript (Node.js) Build and query data models using MongoDB and Redis Develop, containerize, and deploy applications using Docker Collaborate with product, design, and engineering teams to deliver new features Write clean … improvements and automation Monitor, debug, and optimize applications in cloud environments (e.g., AWS ) Required Skills & Experience 3–5+ years of professional software engineering experience Strong experience with TypeScript and JavaScript (Node.js) Proficiency in Docker and containerized development workflows Solid understanding of Git and version control best practices Experience working with NoSQL databases, especially MongoDB and Redis Familiarity with AWS services More ❯

teams. Iterative development (based on requirements/feedback) of: Azure application and integration components using technologies defined in solution architectures (Azure stack - Functions, APIM, CDN etc., Languages - C# & .Net, JavaScript, Python etc., authoring and integration with REST and Graph APIs). Database engines/technologies (Synapse, SQL Server, Azure SQL, CosmosDB etc.) Data pipelines and ETL processes using Azure Data … using Python & associated frameworks), Azure storage (data lake, blob) etc. Microsoft Dynamics development, primarily in and integrating with ERP modules, utilising relevant tech stack (Power Platform, Dataverse, C# & .Net, JavaScript & TypeScript, HTML & CSS). Monitoring and alerting frameworks/tools to ensure smooth and proactive operation of the production solution. Conduct unit and integration test automation using required tools/ More ❯

unable to sponsor a work visa for this role. You must have existing UK work authorization. Key Responsibilities Design, develop, and maintain backend services and APIs using TypeScript/JavaScript (Node.js) Build and query data models using MongoDB and Redis Develop, containerize, and deploy applications using Docker Collaborate with product, design, and engineering teams to deliver new features Write clean … improvements and automation Monitor, debug, and optimize applications in cloud environments (e.g., AWS ) Required Skills & Experience 3–5+ years of professional software engineering experience Strong experience with TypeScript and JavaScript (Node.js) Proficiency in Docker and containerized development workflows Solid understanding of Git and version control best practices Experience working with NoSQL databases, especially MongoDB and Redis Familiarity with AWS services More ❯

teams. Iterative development (based on requirements/feedback) of: Azure application and integration components using technologies defined in solution architectures (Azure stack - Functions, APIM, CDN etc., Languages - C# & .Net, JavaScript, Python etc., authoring and integration with REST and Graph APIs). Database engines/technologies (Synapse, SQL Server, Azure SQL, CosmosDB etc.) Data pipelines and ETL processes using Azure Data … using Python & associated frameworks), Azure storage (data lake, blob) etc. Microsoft Dynamics development, primarily in and integrating with ERP modules, utilising relevant tech stack (Power Platform, Dataverse, C# & .Net, JavaScript & TypeScript, HTML & CSS). Monitoring and alerting frameworks/tools to ensure smooth and proactive operation of the production solution. Conduct unit and integration test automation using required tools/ More ❯

unable to sponsor a work visa for this role. You must have existing UK work authorization. Key Responsibilities Design, develop, and maintain backend services and APIs using TypeScript/JavaScript (Node.js) Build and query data models using MongoDB and Redis Develop, containerize, and deploy applications using Docker Collaborate with product, design, and engineering teams to deliver new features Write clean … improvements and automation Monitor, debug, and optimize applications in cloud environments (e.g., AWS ) Required Skills & Experience 3–5+ years of professional software engineering experience Strong experience with TypeScript and JavaScript (Node.js) Proficiency in Docker and containerized development workflows Solid understanding of Git and version control best practices Experience working with NoSQL databases, especially MongoDB and Redis Familiarity with AWS services More ❯

back and forth while helping to define and adopt best practices Work in a fast-paced, collaborative technical environment Utilise programming languages and tools like React Native, React, Node.js, JavaScript, TypeScript, micro services, AI, ML, open source frameworks, DevOps, large data sets, and more Perform software development leveraging a test-driven development pattern Collaborate with digital product managers, and deliver … members of the engineering community What we're looking for Experience with influencing technical decisions with a tech team in an agile environment Proven experience in software development using JavaScript or TypeScript Experience with testing software (automated tests or Test Driven Development) Previous experience working with AWS, GCP, Microsoft Azure or another cloud service Have a passion for continued learning … of the latest JavaScript and ES versions and trends What you'll get to learn (any previous experience would be advantageous) An in-depth understanding and experience working with the cloud/AWS and the opportunities that it brings Solving real world problems and being comfortable working in a complex regulated environment Where and how you'll work This is More ❯

London, UK - HYBRID Type: Contract - Inside IR35 Mandatory Skills - Required .NET Core 8 experience Angular 16 or later Azure cloud development MS SQL (local & azure) HTML/CSS/JavaScript/Typescript Hands on Coding Job Description: 7+ years of experience with cloud technologies, Azure, AWS, etc. **** 7+ years of hands-on experience in .NET Core, API, C#, and microservices More ❯

London, UK - HYBRID Type: Contract - Inside IR35 Mandatory Skills - Required .NET Core 8 experience Angular 16 or later Azure cloud development MS SQL (local & azure) HTML/CSS/JavaScript/Typescript Hands on Coding Job Description: 7+ years of experience with cloud technologies, Azure, AWS, etc. **** 7+ years of hands-on experience in .NET Core, API, C#, and microservices More ❯

London, UK - HYBRID Type: Contract - Inside IR35 Mandatory Skills - Required .NET Core 8 experience Angular 16 or later Azure cloud development MS SQL (local & azure) HTML/CSS/JavaScript/Typescript Hands on Coding Job Description: 7+ years of experience with cloud technologies, Azure, AWS, etc. **** 7+ years of hands-on experience in .NET Core, API, C#, and microservices More ❯

London, UK - HYBRID Type: Contract - Inside IR35 Mandatory Skills - Required .NET Core 8 experience Angular 16 or later Azure cloud development MS SQL (local & azure) HTML/CSS/JavaScript/Typescript Hands on Coding Job Description: 7+ years of experience with cloud technologies, Azure, AWS, etc. **** 7+ years of hands-on experience in .NET Core, API, C#, and microservices More ❯