51 to 75 of 1,252 JavaScript Jobs in the UK

Senior Software Engineer

Hiring Organisation
Retelligence
Location
EC2M, Bishopsgate, Greater London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £95000/annum + Bonus
patterns for testability. Proficiency in relational database concepts, Microsoft SQL Server , and SQL . Familiarity with front-end technologies such as HTML , CSS , and JavaScript . Experience in Web API design and implementation. Desirable: Commercial experience with Typescript . Experience with containerization (e.g., Docker ) and container orchestration (e.g., Kubernetes ). ...

ReactJS Developer - Knutsford, Cheshire and remote - 3 months+

Hiring Organisation
Octopus Computer Associates
Location
Knutsford, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
stability and security. Agile Delivery: Participate in sprint planning, daily stand-ups, and other Agile ceremonies. Core Skills & Experience Strong proficiency in React.js, JavaScript (ES6+), TypeScript, HTML5, and CSS3. Experience with state management (Redux/MobX) and component-based development. Familiarity with RESTful APIs, JSON, and integration with Back ...

Web Developer

Hiring Organisation
Provide
Location
Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
least once per week. Required Experience Commercial experience in two or more of the following areas: React and modern front-end development TypeScript/JavaScript GraphQL and/or RESTful APIs C# SQL/PostgreSQL Multi-user server-side applications A proactive approach to code reviews , collaboration, and continuous improvement. ...

Senior DevOps Engineer

Hiring Organisation
Anson Mccade
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
level developers The Senior DevOps Engineer will have: Experience with AWS Cloud, containerisation (Docker, Kubernetes). Strong programming experience in one or more of JavaScript, Java, .Net, or Python Proven experience working within agile environments using Scrum, Lean, or Kanban methodologies Knowledge of CI/CD pipelines and automated testing ...

Senior Frontend Engineer

Hiring Organisation
Ronald James
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
design partners while providing technical leadership across the engineering team. Key Responsibilities Lead the design and implementation of complex, scalable frontend architecture using modern JavaScript frameworks. Own the frontend technical direction, ensuring performance, accessibility, and maintainability at scale. Collaborate with product managers, designers, and engineers to translate requirements into robust ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
using 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 ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
using 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 ...

2 x Mid / Senior Full Stack Software Engineers - Hybrid - London

Hiring Organisation
MORRIS SINCLAIR RECRUITMENT LTD
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
design is a plus Experience with Unit Testing is a plus Current tech stack C# .NET MVC Entity Framework (Code-First) MSSQL HTML & CSS JavaScript Git Azure Infrastructure Redis Third-Party APIs Benefits Part of a fast-growing company in the fintech space. Remote working. Additional learning resources. 25 days ...

QA Automation Engineer (Python / PyTest / Cosmos DB)-Banking Client Exp Required

Hiring Organisation
Vallum Associates
Location
City of London, London, United Kingdom
financial regulations such as GDPR, SOX Experience with cloud-based QA practices Exposure to AI-assisted testing tools Knowledge of web technologies (HTML, CSS, JavaScript) and browser automation tools (Selenium) Formal QA certification (ISTQB or equivalent) Experience with Microsoft Fabric (advantageous) What the Client Is Looking For A hands ...

Software Engineer

Hiring Organisation
Reed
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum, Inc benefits
PostgreSQL). Knowledge of RESTful API design and backend engineering. Experience with Git and CI/CD workflows. Core front-end understanding (HTML, CSS, JavaScript). Nice to Have: Retail or e-commerce environment experience. Exposure to Docker or containerised development. Familiarity with AWS/Azure/GCP. Experience with ...

Software Team Lead

Hiring Organisation
Zenovo
Location
Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Required Skills & Experience: Technical Qualifications; • 5+ years of professional software development experience. • Strong proficiency in one or more languages such as Python, Java, or JavaScript/TypeScript. • Full-stack development experience, ideally with React (or similar) on the frontend and RESTful APIs backed by relational databases (e.g., Postgres ...

Software Team Lead

Hiring Organisation
Zenovo
Location
Yate, North Bristol, Nibley, Gloucestershire, United Kingdom
Employment Type
Part Time
Salary
£70000 - £80000/annum Up to £80,000 (depending on experie
Required Skills & Experience: Technical Qualifications; • 5+ years of professional software development experience. • Strong proficiency in one or more languages such as Python, Java, or JavaScript/TypeScript. • Full-stack development experience, ideally with React (or similar) on the frontend and RESTful APIs backed by relational databases (e.g., Postgres ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£80,000 per annum
Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Nice to have experience with: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform and DevOps Experience building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands ...

Junior Developer (.Net) - Edinburgh Hybrid - 30K, Bonus

Hiring Organisation
Lorien
Location
Edinburgh, Stockbridge, City of Edinburgh, United Kingdom
Employment Type
Permanent
Salary
£28000 - £30000/annum Bonus, Hybrid, WFH, Progression
Collaborate in sprint cycles and contribute to product increment planning within a scaled agile framework. Skills and Qualifications Some skills in: C# .NET, Typescript, JavaScript (preferably React), SQL Server/T-SQL, and ideally HTML, CSS/LESS, Azure/AWS, and/or Powershell. Ideally some exposure to development ...

Senior FullStack Developer London/Hybird

Hiring Organisation
Akkodis
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
outcomes Experience designing and deploying scalable, observable, and maintainable systems Familiarity with microservices architecture (synchronous and asynchronous) Strong experience with NodeJS, TypeScript/JavaScript, and React Good understanding of cloud platforms (AWS, GCP, Azure) Solid grasp of database technologies and trade-offs Experience with automated testing and web security best ...

Net Developer - Glasgow / Edinburgh Hybrid - 42K, Bonus

Hiring Organisation
Lorien
Location
Edinburgh, Stockbridge, City of Edinburgh, United Kingdom
Employment Type
Permanent
Salary
£38000 - £42000/annum Bonus, Hybrid, WFH, Progression
stability. Collaborate in sprint cycles and contribute to product increment planning within a scaled agile framework. Skills and Qualifications Technical expertise in: C# .NET, JavaScript (preferably React), SQL Server/T-SQL, HTML, CSS/LESS, with additional preferable skills in PowerShell and/or YAML. Proficient in development ...

Founding Senior Full-Stack Engineer

Hiring Organisation
Barrington James
Location
City of London, London, United Kingdom
years of experience building full-stack applications in a production environment. Proven experience with modern front-end frameworks (e.g., React, Vue, Angular) and strong JavaScript/TypeScript skills. Solid backend experience with one or more languages/frameworks (e.g., Node.js, Python, Go, Java, Ruby). Experience designing and implementing RESTful ...

Engineering Technical Lead

Hiring Organisation
EVOLVE IN RECRUITMENT LTD
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
right tech for the right task, you can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban). Strong programming skills in Java, C#, JavaScript/TypeScript, or similar. Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured . Experience with integration testing , test strategy , and test architecture ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience ...

Staff Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, Gloucestershire, UK
exciting journey of innovation and growth. What skills will I need? Expert knowledge of current Java. Proficient in another language such as Python, C++, JavaScript, TypeScript, React. Experience of developing on Linux. Advanced understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Expert with Git version ...

Staff Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, England, United Kingdom
exciting journey of innovation and growth. What skills will I need? Expert knowledge of current Java. Proficient in another language such as Python, C++, JavaScript, TypeScript, React. Experience of developing on Linux. Advanced understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Expert with Git version ...

Senior Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, Gloucestershire, UK
exciting journey of innovation and growth. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Thorough understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

Senior Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, England, United Kingdom
exciting journey of innovation and growth. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Thorough understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...