201 to 225 of 1,157 Permanent ECMAScript Jobs

Senior Front-End Developer React - Whitley Bay - Hybrid 1 day per week from office

Hiring Organisation
Reed
Location
Whitley Bay, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £62,000 per annum, Inc benefits
forward-thinking engineering culture You’ll also help deliver highly complex, strategic solutions aligned with wider digital ambitions. Skills Strong expertise in HTML, CSS, JavaScript Advanced commercial experience with React Confidence designing scalable front-end architecture Experience with API integration, cloud platforms, and CI/CD workflows Writing unit tests ...

Front End Engineer TypeScript React Native AI

Hiring Organisation
Client Server
Location
London, England, United Kingdom
alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining ...

AI / GenAI Engineer – Investment Banking / Capital Markets

Hiring Organisation
Caspian One
Location
London Area, United Kingdom
tools inside or outside of work setting. Education: Relevant Software Engineering/Computer Science degree. Technical Skills Programming Languages: Python, Java, C++, C#, TypeScript, JavaScript Machine Learning: TensorFlow, PyTorch, Scikit-learn GenAI/LLMs: OpenAI API, Hugging Face Transformers, LangChain, Langraph, RAG pipelines Data & Analytics: Pandas, NumPy, Spark, Databricks, Hadoop ...

Senior Software Engineer

Hiring Organisation
Develop
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Senior Software Engineer in product-led environments Backend-leaning full-stack skillset, with confidence working across the frontend when needed Excellent knowledge of JavaScript/TypeScript and modern frontend frameworks (Next.js preferred) Solid backend experience with Node.js and/or Python Comfortable working in ambiguous problem spaces without rigid specifications ...

Lead Data Visualisation Software Engineer

Hiring Organisation
Bright Purple Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
protocols and how the internet actually works Experience with Splunk & SPL SQL or similar data manipulation skills Exposure to network security products HTML, CSS, JavaScript Data Science or Machine Learning experience Location & Flexibility Edinburgh-based engineers : hybrid working (typically 2 days in office) Fully remote options available for the right ...

Senior Back End Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£55,000
APIs Solid background working with CMS platforms (Umbraco, Sitecore, or similar) Working knowledge of front-end technologies (HTML, CSS/Sass, JavaScript; React experience a plus) Exposure to Azure , cloud-hosted infrastructure, and modern DevOps practices Confident communicator, comfortable working with both technical and non-technical stakeholders A collaborative mindset ...

Senior Laravel Developer

Hiring Organisation
Coburg Banks Limited
Location
Redhill, Surrey, South East, United Kingdom
Employment Type
Permanent
Salary
£95,000
performance optimisation, Deployment, environment management, and security best practices on AWS. Familiarity with database systems (SQL). Proficient in web technologies, including Livewire, Tailwind, JavaScript etc. Experience building and integrating with RESTful APIs. Proficiency in version control (e.g. Git). Understanding of frontend development and frameworks (HTML, CSS). DevOps ...

Office.js Developer (Outlook)

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£500 - £550 per day
development standards What we're looking for: You can demonstrate experience delivering Outlook add-ins within enterprise environments Strong hands on skills with Office.js, JavaScript or TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful ...

Senior Software Engineer, Ruby on Rails, £55,000 Johannesburg

Hiring Organisation
Akkodis
Location
Johannesburg, Gauteng, South Africa
Employment Type
Permanent
Salary
£45000 - £55000/annum
culture, helping to drive cloud-native adoption, and mentoring junior team members. Your expertise in Ruby on Rails, C#, object-oriented principles, and modern JavaScript frameworks will be essential as you deliver robust, scalable applications and maintain strong version control with CI/CD pipelines. You'll thrive ...

PowerApps Developer

Hiring Organisation
Shaw Daniels Solutions
Location
Winchester, England, United Kingdom
both Canvas and Model-Driven Apps. Strong understanding of data integration with Microsoft 365, SharePoint, SQL databases, and other common data sources. Experience with JavaScript, HTML/CSS, and knowledge of coding concepts to enhance Power Apps functionality. Familiarity with Microsoft Dataverse (formerly Common Data Service), Power BI, and connectors. ...

Full-Stack Developer – Python

Hiring Organisation
Clear IT Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Expertise • Minimum 3 years’ professional experience as a full-stack developer delivering robust, production-ready solutions. • Proficiency in: o Backend: Python, Django o Frontend: JavaScript, React, Next.js o Version control: Git • Experience building data-intensive applications and managing complex backend logic, including integrations with external APIs. • Strong ability to create ...

Software Engineer (Python, React, GCP, AI) - ID45797

Hiring Organisation
Humand Talent
Location
Oxfordshire, England, United Kingdom
both frontend and backend development. You will bring experience in: Python for backend development (such as FastAPI, Flask or Django) React or modern JavaScript frameworks for frontend applications Designing and maintaining APIs consumed by internal and external systems Working with cloud platforms like AWS, GCP or Azure Writing automated tests ...

Software Engineer

Hiring Organisation
3D Group Automotive Locksmith Supplies
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£40,000
supporting documents. You must be authorised to work in the UK. No agencies please. Other suitable skills and experience include: Software Engineer, Web Developer, JavaScript Developer, React Developer, Node.js Developer, TypeScript Developer, Front-End Developer, Back-End Developer, PHP Developer, Full Stack Engineer. ...

Engineering Manager

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
Cambridge, England, United Kingdom
design, shared tooling, and reducing unnecessary complexity. Typical technologies include Python backend - any backend experience in a strongly typed language is relevant here Modern JavaScript frameworks on the front end Containerisation with Docker CI pipelines using GitLab or similar Infrastructure as code using Terraform Cloud native platforms such as Azure ...

Senior DevOps Automation Developer

Hiring Organisation
Sopra Steria
Location
Salisbury, Wiltshire, South West, United Kingdom
Employment Type
Permanent
Salary
£65,000
What youll bring: Strong Ansible skills. Strong Windows and Linux system administration expertise. Proficiency in one or more high-level programming languages such as JavaScript, Python, C#, C++, Go or Java. Competence with multiple scripting languages such as PowerShell, Bash or SQL. Background working with the VMware Cloud Foundation ...

Java Developer

Hiring Organisation
Experis
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£80,000
levels within an organisation. * Able to establish a series of best engineering practices and implementing them across multiple teams. Desirable - Kotlin, Groovy, Bash, JavaScript, CloudFormation/Terraform - JBoss Drools, DMN, XML Qualification * Graduate level education (or equivalent experience) in Computing, Computer Science, or equivalent subject * Essential: AWS Certified Solution Architect ...

Senior Software Engineer

Hiring Organisation
Intellect Group
Location
City of London, London, United Kingdom
programming Tech Stack The stack is evolving, and there is openness to new ideas and improvements. Backend: Python, Django Database: PostgreSQL Frontend: HTML, CSS, JavaScript, Bootstrap, HTMX Hosting & Deployment: Heroku, GitHub Actions About You This role is a great fit if you enjoy early-stage environments where your decisions have ...

Software Engineer, Frontend

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern JavaScript stack, your primary focus will be on coding, testing, and enhancing the functionality of Travelex's and partner applications. Being part of the Online team ...

eDV Software Engineer

Hiring Organisation
Secure Consult
Location
Gloucester, England, United Kingdom
software in secure environments Required Skills & Experience Experience working within Agile software delivery teams Java development experience (ideally Spring Boot) Experience with modern JavaScript frameworks (React, Angular, Vue, etc.) Experience building enterprise-scale web applications or services Cloud platform experience (AWS and/or Azure) Containerisation and orchestration using Docker ...

Senior Software Engineer (Frontend)

Hiring Organisation
X-on Health
Location
Melton, England, United Kingdom
scalable, and responsive user interfaces. Key Tasks Design and Development Design, develop, and maintain complex, highly responsive, and user-friendly web applications using modern JavaScript frameworks (e.g. React) Drive technical design and architectural decisions for the frontend, ensuring scalability, maintainability, and security Develop modular, reusable components and libraries Collaborate closely ...

Senior Software Engineer Frontend

Hiring Organisation
X-On Health
Location
Woodbridge, Suffolk, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
scalable, and responsive user interfaces. Key Tasks Design and Development Design, develop, and maintain complex, highly responsive, and user-friendly web applications using modern JavaScript frameworks (e.g. React) Drive technical design and architectural decisions for the frontend, ensuring scalability, maintainability, and security Develop modular, reusable components and libraries Collaborate closely ...

Software Engineer

Hiring Organisation
DWP Digital
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
DWP. Digital with Purpose. We're hiring a Software Engineer with skills in Node.js/JavaScript to help us transform how people across the UK access essential public services. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly ...

Software Engineer

Hiring Organisation
DWP Digital
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
DWP. Digital with Purpose. We're hiring a Software Engineer with skills in Node.js/JavaScript to help us transform how people across the UK access essential public services. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly ...

Automation Engineer

Hiring Organisation
Sopra Steria
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
bring: Experience in vRealize Orchestrator/Aria Orchestrator. Satellite experience. Windows and Linux sysadmin expertise. Proficient with one or more programming languages such as JavaScript, Python, C#, C++, Go or Java. Competent with scripting languages such as PowerShell, Bash or SQL. Background working with virtualization platforms to include VMWare Cloud ...

Software Engineer

Hiring Organisation
Robertson Geo
Location
Conwy, Gwynedd, Wales, United Kingdom
Employment Type
Permanent, Work From Home
/developer will be considered. Demonstrated experience in delivering high-performance desktop applications or systems within complex engineering domains. Strong proficiency in Typescript/JavaScript for systems programming (Node.js, Electron) beyond just web development. Equivalent experience with Go, C#, etc will be considered. Experience with modern WebApp frameworks ...