126 to 150 of 1,186 Permanent ECMAScript Jobs

Full Stack Developer

Hiring Organisation
Morson Edge
Location
York, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£40,000
. Specialist technology areas include Oracle technologies: Oracle SCM/EBS, PL/SQL, Oracle Fusion Middleware, ATP, VBCS Front end: React, TypeScript/JavaScript, CSS Back end & APIs: Node.js, Java, REST/JSON, Apigee X Data & Reporting: Business Objects, Power BI Core systems: Reality (PICK) and associated in-house ...

Senior Dashboard Developer

Hiring Organisation
Bright Purple
Location
Edinburgh, UK
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 ...

Backend Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
Security space. You should have: Active UK Enhanced Developed Vetting (eDV) clearance . Proven software development experience with one or more of Java, TypeScript, JavaScript, or Python . Strong understanding of modern software engineering practices and design patterns. Experience working in Agile delivery teams (Scrum or Kanban). A proactive ...

Backend Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
Security space. You should have: Active UK Enhanced Developed Vetting (eDV) clearance . Proven software development experience with one or more of Java, TypeScript, JavaScript, or Python . Strong understanding of modern software engineering practices and design patterns. Experience working in Agile delivery teams (Scrum or Kanban). A proactive ...

Backend Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Cheltenham, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £75,000 per annum
Security space. You should have: Active UK Enhanced Developed Vetting (eDV) clearance . Proven software development experience with one or more of Java, TypeScript, JavaScript, or Python . Strong understanding of modern software engineering practices and design patterns. Experience working in Agile delivery teams (Scrum or Kanban). A proactive ...

Senior Dashboard Developer

Hiring Organisation
Bright Purple
Location
United Kingdom
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 Outlook Add-in Developer

Hiring Organisation
Oscar Associates Limited
Location
Darley, North Yorkshire, UK
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

Hiring Organisation
Oscar Associates (UK) Limited
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
hours support rota Tech environment You'll be working in a modern, cloud-based stack that includes: Backend & Frontend: Python, TypeScript, Golang, Node.js, JavaScript, React Data: PostgreSQL and NoSQL databases Cloud & DevOps: AWS, CI/CD pipelines, Terraform (desirable) Tooling: GitHub, Slack, Trello, Notion Experience with real-time systems (such ...

Senior Software Engineer

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
hours support rota Tech environment You'll be working in a modern, cloud-based stack that includes: Backend & Frontend: Python, TypeScript, Golang, Node.js, JavaScript, React Data: PostgreSQL and NoSQL databases Cloud & DevOps: AWS, CI/CD pipelines, Terraform (desirable) Tooling: GitHub, Slack, Trello, Notion Experience with real-time systems (such ...

Staff Full Stack Engineer

Hiring Organisation
Addition
Location
Milton Keynes, England, United Kingdom
best practice (e.g. GitHub Copilot). Mentor engineers, encourage knowledge sharing, and help shape the wider engineering culture. Main Skills Needed: Expert knowledge of JavaScript, TypeScript, React (Hooks, Redux), HTML5 and CSS/SASS. Strong experience designing backend services in Kotlin or Java with REST and OpenAPI. Proven experience ...

Senior Software Developer

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform and DevOps practices Experience in building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. ...

Senior Salesforce Developer

Hiring Organisation
Methods Business and Digital Technology Limited
Location
England, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 70,000 Annual
preferred). Additional Desired Skills SC Cleared/NPPV3 Cleared Experience across Sales Cloud, Service Cloud, and Marketing Cloud. Advanced knowledge of SOQL, SOSL, JavaScript, HTML/CSS. Strong problem-solving abilities, communication skills, and leadership capability. ...

Software Engineer (.NET)

Hiring Organisation
Gerrard White
Location
Peterborough, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
REST and SOAP) - Git and SCM (e.g. Azure DevOps) Experience in at least one of: - Entity Framework - Vue.js, React or Blazor - MS SQL Server - JavaScript and HTML Architecture and design of software systems. Understanding and experience of the software development life cycle, agile methodology (especially Scrum). What we offer ...

Senior Software Developer

Hiring Organisation
Rebel Recruitment
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
experience with ASP.NET using C# in .NET Core or .NET 6, alongside solid experience with ASP.NET, MVC, Web APIs, Git-based version control, HTML, JavaScript, and Microsoft SQL Server. Youll bring a strong theoretical and practical understanding of modern software development principles, including security best practices. Experience with front ...

Software Engineer (C#, C++, Python, TDD, Applied Engineering)

Hiring Organisation
Hays
Location
Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
commercial Software Engineering role/team using either C#, C++ or Python. Ideally you'll have full stack experience with Blazor or JavaScript/TypeScript. Above all we are looking for robust OOP programming skills, software design patterns/best practices and practical experience applying TDD. clear communication/interpersonal ...

Full Stack Engineer

Hiring Organisation
Experis UK
Location
England, United Kingdom
hold (or be willing to obtain) UK security clearance to Developed Vetting (DV) level. Essential skills: Proficient in modern front-end technologies: HTML5, CSS3, JavaScript, and frameworks like React, Angular, or Vue.js. Strong skills in server-side logic using languages such as Node.js, Python, or Java. Experience with both ...

AI Engineer

Hiring Organisation
Akixi
Location
United Kingdom
developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft ...

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
United Kingdom
. What You’ll Bring Proven experience leading distributed engineering teams , including offshore and nearshore models Strong hands-on background with .NET, Python, and JavaScript/TypeScript Deep experience with cloud infrastructure (Microsoft Azure, AWS, Cloudflare) Strong understanding of Agile and Scrum in distributed environments Experience with AI-assisted development ...

Frontend Developer

Hiring Organisation
Intent HQ
Location
London, UK
sharing. Iterate post-launch using real-world data and user feedback. What We’re Looking For Core Skills Strong foundations in modern Frontend engineering: JavaScript/TypeScript , React , component patterns, state management, performance and accessibility. Ability to translate product ideas and design assets into production-quality experiences. A product-oriented ...

Frontend Developer

Hiring Organisation
Intent HQ
Location
United Kingdom
sharing. Iterate post-launch using real-world data and user feedback. What We’re Looking For Core Skills Strong foundations in modern Frontend engineering: JavaScript/TypeScript , React , component patterns, state management, performance and accessibility. Ability to translate product ideas and design assets into production-quality experiences. A product-oriented ...

Senior Software Engineer

Hiring Organisation
Ripple
Location
London, England, United Kingdom
related field. Proven experience in software development, with at least 5 years in a similar role. Strong proficiency in programming languages such as Typescript, JavaScript and Java Experience with Spring and React. Outstanding problem-solving skills and the ability to thrive in a fast-paced, ambitious environment. Proficient in software ...

Generative AI Developers (m/f/d)

Hiring Organisation
Gesellschaft für wissenschaftliche Datenverarbeitung mbH Göttingen
Location
Göttingen, Niedersachsen, Germany
Employment Type
Permanent
Salary
EUR Annual
e.g. Gitlab, CI/CD pipelines, automated testing, pytest) Good knowledge of databases (SQLModel, SQL, PostgreSQL, SQLite) Experience with web development (HTTP, FastAPI, HTML, JavaScript) Basics in generative AI (e.g. LLMs, diffusion models, and use with Pytorch or Tensorflow) Experience with the use of HPC systems desirable (e.g. SLURM) Excellent ...

Junior Systems Engineer

Hiring Organisation
Open Answers
Location
Harrow, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£40,000
Confident with Linux command shell or Windows Powershell Ability to program confidently in at least one scripted language from the following: Python, Perl, PHP, JavaScript Basic familiarity of a traditional SQL database Experience of UNIX or Windows OS at administration level Ability to explain basic TCP/IP networking ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
United Kingdom
degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. - You love balancing delivery speed with ...

Web Developer Trainee

Hiring Organisation
ITOL Recruit
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £35,000 per annum
move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React-js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. ...