101 to 125 of 1,091 Permanent ECMAScript Jobs

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 ...

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 ...

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 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 ...

Senior Full Stack Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
United Kingdom
Employment Type
Permanent
Salary
£45,000
code reviews and delivery planning Collaborating closely with Product, QA, Data, Platform and Operations teams What we're looking for Commercial React experience Strong JavaScript or TypeScript skills Experience building and maintaining production software Understanding of software design, testing and maintainability Experience working with APIs and backend services Confidence using ...

Lead Software Engineer

Hiring Organisation
Principal IT
Location
Huntingdon, England, United Kingdom
talented development team. This is a fantastic opportunity for someone who enjoys balancing hands-on development with people leadership. 💻 Tech Stack • C# • .NET • React • JavaScript • SQL • Microsoft Azure • Terraform 🔹 What you'll be doing ✔ Leading and mentoring a team of developers ✔ Delivering scalable cloud-based applications ✔ Building back-end APIs ...

Developer - Exposure Analytics

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
Skills & Experience 3–5 years' software development experience Strong Python development skills with FastAPI, Flask or Django Experience building full-stack applications using React, JavaScript/TypeScript and Node.js Knowledge of GitHub, CI/CD, automated testing and Agile delivery methodologies Databricks experience highly desirable, including Lakehouse architecture and Delta ...

Data Engineer

Hiring Organisation
Norton Blake
Location
Herefordshire, United Kingdom
Clearance Strong proficiency in Python and API development Experience or strong interest in data engineering, data pipelines, and automation Solid understanding of TypeScript/JavaScript and back-end integration principles Familiarity with databases (SQL/NoSQL) and data transformation techniques Comfortable collaborating in cross-functional technical teams Desirable: Background ...

Founding Software Engineer

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Evolving into a senior leadership role with ownership of the technology function. What We're Looking For Strong commercial experience with React Native. Solid JavaScript/TypeScript expertise. Experience with modern frontend and mobile development practices. Knowledge of related technologies such as: React Node.js Cloud platforms (AWS, Azure ...

Software Developer

Hiring Organisation
Ballantyne Technology Limited
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Experience with Microsoft SQL Server Experience or exposure to Azure Understanding of unit testing/integration testing Desirable: Azure DevOps CI/CD pipelines JavaScript, HTML, CSS Experience working in Agile or Scrum teams Salary & Benefits £45,000 – £55,000 base salary Annual bonus of approximately 10% Remote/hybrid ...