101 to 125 of 1,114 JavaScript Jobs in the UK

Sr. QE (Senior Quality Engineer, APIs)

Hiring Organisation
Jobleads-UK
Location
East Midlands, England, United Kingdom
RESTful APIs in a distributed or microservices environment. Hands‐on experience with performance and load testing tools and methodologies. Experience writing test automation in JavaScript/TypeScript, Java, or Python. Working knowledge of AWS serverless services (Lambda, API Gateway, DynamoDB, SQS/SNS). Experience integrating automated tests into ...

Senior Software Engineer

Hiring Organisation
Elsevier
Location
Greater London, United Kingdom
Employment Type
Full Time
Services (AWS) - Strong experience using GitHub Actions within a CI/CD pipeline - Solid Python knowledge - Experience with front-end technologies such as JavaScript and Node - Experience working with Web Application Firewall (WAF) technologies and Cloudflare features - Solid working experience with Git and SQL - Knowledge of Terraform and experience working ...

Forward Deployed Engineer

Hiring Organisation
Southbank-IT
Location
London Area, United Kingdom
sales activities, demonstrations, and technical workshops where required. Skills & Experience Essential Technical Skills Strong software engineering or solutions engineering background. Experience developing with: Python JavaScript/TypeScript SQL REST APIs Experience with Microsoft Azure cloud services. Experience integrating enterprise applications and systems. Understanding of DevOps practices, CI/CD pipelines ...

Chief Technology Officer (CTO)

Hiring Organisation
Jobleads-UK
Location
Havant, England, United Kingdom
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 ...

Automation Test Engineer

Hiring Organisation
CGI
Location
United Kingdom
Employment Type
Full Time
engineering across multiple domains. • Expertise in automation frameworks (e.g., Selenium, Playwright, Cypress, or similar). • Strong coding/scripting skills in Java, Python, or JavaScript/TypeScript. • Experience applying AI techniques such as intelligent test generation or defect prediction. • Familiarity with performance, load, and security testing. • Strong understanding of Agile ...

Software Engineer

Hiring Organisation
BAE Systems
Location
Greater London, United Kingdom
Employment Type
Full Time
tech and cyber skills in the region. About you You will have experience in many of the following: Programming in one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof of Concept or Production systems Source controlling your code with Version Control Systems, for example Git, Mercurial ...

Software Engineer

Hiring Organisation
Capgemini
Location
Cardiff, United Kingdom
Employment Type
Full Time
your working reality. We have built an inclusive and welcoming environment, for everyone. Your skills and experience What you’ll bring: • Experience of JavaScript/Typescript and a familiarity with Java • Experience of Angular or equivalent • Experience of Bootstrap 5, HTML, CSS • Optional experience with OpenLayers or similar mapping library ...

Dev Ops Engineer

Hiring Organisation
Capita Shared Services Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
etc.) Advanced customization and configuration: Entities, forms, views, dashboards Business rules, workflows, business process flows Strong development experience: C# plugins and custom workflow activities JavaScript/TypeScript Dataverse Web API/SDK Deep understanding of: Solution management (managed/unmanaged) Solution layering, segmentation, and version control Power Platform Expertise ...

QA Analyst & Performance Testing

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Southampton, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
years building and working with automation frameworks, using tools such as Selenium, Playwright or Cypress, and be comfortable coding in languages like Java, JavaScript or Python. Alongside this, you'll have practical experience of integrating testing into CI/CD pipelines using tools such as Jenkins, GitHub Actions or Azure ...

Senior Software Engineer Voice

Hiring Organisation
VoCoVo
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
Salary
70000 to 78000 GBP Annually
retail colleagues. As a Senior Software Engineer, you'll work as part of a multidisciplinary Agile team, developing services primarily using TypeScript and JavaScript to support our on-premise DECT devices deployed in retail stores around the world. You'll help shape the future of our voice platform, working with ...

Agentic / GenAI Consultant / Senior Consultant

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
good cross-section of these skills, along with the adaptability and curiosity to learn new tools as projects demand. Languages & Frameworks: Python (3.10+), TypeScript, JavaScript (ES6+), SQL, Bash · Frontend: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress. Build AI product UX patterns (streaming, review ...

Senior Dynamics Developer

Hiring Organisation
Intellectual Property Office
Location
Newport, Gwent, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
deep understanding of architectural principals such as SOA and Micro-Services Technical aptitude Proficiency in one or more of these languages: C#, Python, JavaScript, Typescript Experience writing and implementing Unit Testing How to Apply Click the 'Apply now' button and complete the application form by providing the following: Your ...

Senior Web Engineer

Hiring Organisation
Santander UK
Location
United Kingdom
Employment Type
Full Time
Skills Global: Mastery of TypeScript (strict mode, generics, discriminated unions, utility types, type-safe public API surfaces). (Required). Strong command of modern JavaScript (ES2022+, ES modules, async/await). (Required). Knowledge of visibility and extensibility/API-surface control (internal vs public boundaries, barrel exports, package.json ...

SC Cleared Freelance Frontend Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 650 Daily
London) Overview SC Cleared freelancer needed with a frontend focus to build modern, scalable web applications, with some backend/API work. Tech & Skills JavaScript/TypeScript, React/Angular/Vue Node.js, REST/GraphQL APIs HTML, CSS, responsive & accessible design Testing (Jest/Cypress), CI/ ...

SC Cleared Freelance Frontend Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
City Of London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
London) Overview SC Cleared freelancer needed with a frontend focus to build modern, scalable web applications, with some backend/API work. Tech & Skills JavaScript/TypeScript, React/Angular/Vue Node.js, REST/GraphQL APIs HTML, CSS, responsive & accessible design Testing (Jest/Cypress), CI/ ...

Software Engineer

Hiring Organisation
Raytheon
Location
Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Contribute to continuous improvement within your team Collaborate with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure ...

Senior Full Stack Developer - Python, Node & AWS

Hiring Organisation
Ashdown Group
Location
Northampton, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
full development stack. To be considered for this position, you will need solid hands-on skills with: Python Node.JS AWS, S3 & Lambda React JS, JavaScript, CSS & HTML Redshit or equivalent SQL As a Senior Full Stack/Senior Software Engineer, you will be responsible for the development, deployment & support ...

Full Stack Engineer (Node/React)

Hiring Organisation
Oliver Bernard
Location
United Kingdom
infrastructure and CI/CD pipelines Help solve complex, real-world engineering challenges If you're a software engineer with commercial experience across modern JavaScript technologies and enjoy working in a collaborative, fast-paced environment, I'd love to speak with you. 🚀 Mid-Level Full Stack Software Engineer | Hybrid (London ...

Systems Architect

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £130,000 per annum
senior stakeholders. Key Skills: Enterprise & Solution Architecture AWS/Cloud-Native Platforms Microservices & APIs DevOps, CI/CD & Infrastructure as Code Java, C#, TypeScript, JavaScript, or C++ Financial Services, Capital Markets, Trading Platforms, or Front Office systems experience Desirable: Kubernetes, Docker, and modern distributed architectures You'll play ...

Senior Software Engineer - eDV Cleared

Hiring Organisation
NSD
Location
London, United Kingdom
Employment Type
Permanent
SENIOR SOFTWARE ENGINEER TO HAVE. Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE. Cloud ...

Software Developer (C#/Asp.net)

Hiring Organisation
Tech Connect Group
Location
Southampton, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum
/C# (including .NET Framework and newer .NET versions) Experience building web applications and APIs (ASP.NET MVC/Web API) Good working knowledge of JavaScript, HTML and CSS Working knowledge of relational databases (e.g. SQL Server/T-SQL) Familiarity with reporting tools and data-driven development Exposure to development ...

Senior Frontend Developer

Hiring Organisation
Lorien
Location
Manchester, England, United Kingdom
platform beyond the frontend, including API integrations and production environments What We're Looking For ✔ Strong commercial experience with ReactJS ✔ Expert knowledge of modern JavaScript (ES2015+) ✔ Experience building and scaling complex web applications ✔ Strong understanding of HTML, CSS, and frontend best practices ✔ Experience with Git, REST APIs, and Agile development ...

Test Automation Architect

Hiring Organisation
NXA Talent
Location
East Midlands, England, United Kingdom
experience with API and integration test automation. Experience with Blue Yonder WMS or comparable enterprise WMS platforms. Strong programming skills (Java, TypeScript , Python, or JavaScript). Experience with CI/CD tools such as Jenkins, Azure DevOps, or GitHub Actions. Good understanding of Agile/SAFe and DevOps practices. Cloud ...

Software Engineering Specialist

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£605/day
based environments Strong focus on automation and continuous improvement Good collaboration and problem-solving skills Technical Experience (some of): Programming/scripting (Python, Java, JavaScript, etc.) CI/CD tools (GitLab, Jenkins) IaC (Terraform, Ansible) Containers (Docker, Kubernetes) Cloud (AWS, Azure, GCP) Observability (Prometheus, Grafana, ELK) Git/source control ...

Software Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£60,000
Good knowledge of relational databases (e.g. MySQL) Comfortable working in collaborative, agile environments Passion for writing clean, maintainable, and scalable code Desirable Frontend exposure (JavaScript, TypeScript, React) Experience with Docker or containerised environments Understanding of microservices or serverless architecture Experience with automated testing/TDD Laravel PHP Developer | Bristol | Hybrid ...