101 to 125 of 936 Permanent ECMAScript Jobs

Software Engineer

Hiring Organisation
Consulting Point
Location
United Kingdom
these are the primary technologies for this role. Strong experience in building microservices and RESTful APIs within a cloud-native architecture. Proficiency in modern JavaScript frameworks, specifically React or Angular. Familiarity with Government Digital Service (GDS) standards and the Service Manual is highly advantageous. Solid understanding of modern engineering practices ...

Senior Ruby-on-Rails Developer

Hiring Organisation
Reed
Location
Peterborough, Cambridgeshire, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
Full Stack Developer (or similar) Proficiency in Ruby and TypeScript Solid with Ubuntu , MySQL , and AWS Comfortable with front-end tech (HTML, CSS, JavaScript) A sharp eye for detail and a problem-solving mindset Strong communicator and self-starter in a remote setup Bonus Points For: Bringing AI into ...

Web Developer

Hiring Organisation
Proactive Appointments
Location
Folkestone, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£28,000 - £30,000 per annum
dataset preparation. Experience supporting or developing Power BI dashboards and data visualisations. Familiarity with APIs, automation tools and AI/ML-driven platforms. Strong JavaScript and jQuery skills, including asynchronous handling and AJAX. Knowledge of version control tools such as Azure DevOps. Understanding of UX principles across online and mobile ...

Full Stack Developer

Hiring Organisation
Proactive Appointments
Location
Folkestone, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£28,000 - £30,000 per annum
dataset preparation. Experience supporting or developing Power BI dashboards and data visualisations. Familiarity with APIs, automation tools and AI/ML-driven platforms. Strong JavaScript and jQuery skills, including asynchronous handling and AJAX. Knowledge of version control tools such as Azure DevOps. Understanding of UX principles across online and mobile ...

GenAI Managing Consultant

Hiring Organisation
83zero
Location
London Area, United Kingdom
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 ...

UK Senior Software Engineer

Hiring Organisation
Gelt
Location
Nottingham, England, United Kingdom
looking for someone who has: 5+ years of experience in hands-on development of production systems Strong production-level experience working with Typescript/Javascript/NodeJS Capability to work full-stack, but leans more towards backend Production-level experience working with AWS (or other cloud providers) to build, deploy ...

Software Engineer

Hiring Organisation
Optamor
Location
Gloucestershire, Hucclecote, United Kingdom
Employment Type
Permanent
Salary
£43000 - £98000/annum BUPA, bonus, 4 day work week
safeguarding digital infrastructures in the UK. 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. Appreciation of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

Lead Software Engineer

Hiring Organisation
Saab UK
Location
Fareham, Hampshire, South East, United Kingdom
Employment Type
Permanent
design In addition, you will be Able to demonstrate software skills in some of the following technologies on both Windows and Linux: C++ Javascript Python XML JSON HTML CSS Web backend servers (Angular, Django, NodeJS, React, Apache or similar) Web Sockets Docker TCP-IP/UDP SQL or other databases ...

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 ...

Quality Assurance Engineer

Hiring Organisation
Akkodis
Location
Stevenage, England, United Kingdom
hands-on experience in Quality Assurance and Test Automation. Proficiency in at least one programming language used for automation, such as Java or JavaScript Clear understanding of Object-Oriented Programming (OOP) and ability to apply them in test automation frameworks. Proficiency in test automation tools such as Selenium, Playwright, REST ...

Software Engineer (C# .Net & Applied Engineering)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
proficiency working in a commercial Software Engineering role/team using either C# .Net. 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/ ...

UX/UI Developer

Hiring Organisation
Metro
Location
Birmingham, England, United Kingdom
do. You’ll need: 5+ years' experience in a frontend or software engineering role Strong experience building modern web applications using HTML, CSS, JavaScript, and TypeScript Commercial experience with Angular (v12 or above) Experience using UI component libraries such as DevExpress/DevExtreme Understanding of the full software development lifecycle ...

Software Engineer (C# .Net, STEM Degree, Applied Engineering)

Hiring Organisation
Hays
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
need 2-8 years working in a commercial Software Engineering role using C# .Net. Ideally you'll have full stack experience with Blazor or JavaScript/TypeScript. We are looking for robust OOP programming skills, software design patterns/best practices and practical experience applying TDD. Experience with Cloud services ...

Java Team Lead

Hiring Organisation
TXP Technology x People
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£0 per annum
technical discussions with senior engineers and architects Strong people leadership, mentoring, and stakeholder management skills Desirable experience: Front-end exposure (React or other JavaScript frameworks) CI/CD, unit testing (JUnit, Mockito), and TDD practices Cloud platforms such as Azure and/or AWS Pre-sales, bid support, or solution ...

Senior Software Developer

Hiring Organisation
E.surv Limited
Location
Kettering, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
query performance tuning and other SQL best practices. Proven and demonstrable experience in web programming using the Django framework Experience using HTML5, CSS3 and JavaScript, to create web apps from scratch, with strong attention to detail A solid understanding of how web applications work including security, session management, and best ...

Software Engineer (Applied AI)

Hiring Organisation
Euphoric
Location
United Kingdom
LLMs, recommender systems, reinforcement learning) to enhance user experience in a meaningful business domain. Contribute across the tech stack: You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ...

TWDB - 26-75: GIS Programmer (Programmer III)

Hiring Organisation
Texas Water Development Board
Location
Austin, Texas, United States
Employment Type
Any
Salary
USD Annual
internet, email, word processing, spreadsheet, presentation, and database software. Skills in computer programming. Skills in the development of ASP.NET, C#, HTML, CSS, Python, and JavaScript applications. Skills in the development of GIS web applications. Skills in the development of web API and web services. Skills in providing excellent customer service. ...

Senior Consultant (.NET Engineering)

Hiring Organisation
Nimble Approach
Location
Sheffield, England, United Kingdom
systems, and serverless architectures. Deep Technical Foundations: Strong, proven experience across the .NET ecosystem (C#, modern .NET, legacy frameworks), backed by solid SQL and JavaScript skills. Polyglot Mindset: A genuine curiosity and interest in continuous learning. You aren’t dogmatic about tech stacks; you view different languages, older legacy systems ...

DevOps Engineer

Hiring Organisation
Jobot
Location
Florida, United States
Employment Type
Permanent
Salary
USD Annual
tools (Jenkins, CircleCI, etc.) Experience with scripting languages such as Python, Bash, PowerShell, Perl, or PHP Familiarity with programming languages such as Java, Go, JavaScript, or C++ Experience working with APIs (REST, GraphQL, SOAP) Strong Linux and/or Windows system administration knowledge Experience provisioning and managing infrastructure in cloud ...

DevOps Engineer

Hiring Organisation
Jobot
Location
Chesapeake, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
tools (Jenkins, CircleCI, etc.) Experience with scripting languages such as Python, Bash, PowerShell, Perl, or PHP Familiarity with programming languages such as Java, Go, JavaScript, or C++ Experience working with APIs (REST, GraphQL, SOAP) Strong Linux and/or Windows system administration knowledge Experience provisioning and managing infrastructure in cloud ...

Automation Test Lead

Hiring Organisation
Health Research Authority
Location
Nottingham, NG2 4LA, United Kingdom
Salary
£57528.00 to £64750.00
pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...

Automation Test Lead

Hiring Organisation
Health Research Authority
Location
Manchester, M1 3BN, United Kingdom
Salary
£57528.00 to £64750.00
pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...

Automation Test Lead

Hiring Organisation
Health Research Authority
Location
Newcastle upon Tyne, NE2 4NQ, United Kingdom
Salary
£57528.00 to £64750.00
pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...

Automation Test Lead

Hiring Organisation
Health Research Authority
Location
Bristol, BS1 6PN, United Kingdom
Salary
£57528.00 to £64750.00
pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...

Web Developer Trainee

Hiring Organisation
ITOL Recruit
Location
Romford, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£29,000 - £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. ...