226 to 250 of 715 ECMAScript Jobs in England

Dynamics CRM Developer

Hiring Organisation
Informed Recruitment
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Excellent Benefits
Azure experience, Logic Apps/Azure Function Apps/Web Apps Web Services/APIs React Framework SSAS/SSRS/Advanced Power BI JavaScript/HTML Experience of Agile/Scrum Practices Knowledge of agile development methodologies. Knowledge of unit testing theory. Solid understanding of relational database design ...

Software Engineer (AWS, Python, C#/C++, CFD/FEA)

Hiring Organisation
Hays
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
working in a commercial Software Engineering role/team using either C#, C++ or Python. Ideally you'll have worked with Vue/Django, JavaScript/Typescript. You should have Distributed Computing experience, ideally in an AWS environment and working with Cloud Architecture to apply for this role. this will ...

Associate Data Engineer

Hiring Organisation
NHS England
Location
Leeds/London, LS1 4AP, United Kingdom
Salary
£39959.00 to £48117.00
cloud platforms and data tools including languages such as Python, SQL, PySpark, Java Knowledge and experience with programming languages such as React, Typescript, Javascript is desirable Skills and Experience Essential Delivers tasks with guidance Writes maintainable, tested code with support Troubleshoots issues with assistance Demonstrates learning agility. Values Essential Consistently ...

Senior Full Stack Engineer

Hiring Organisation
Hera
Location
London Area, United Kingdom
within SaaS environments.) Strong expertise in TypeScript and a genuine appreciation for the language and its ecosystem. Proven experience across the core tech stack: JavaScript, React, Node, Postgres, Redis, Kubernetes, GitHub, and Google Cloud Platform. Demonstrated ability to collaborate effectively with product teams and designers, with a track record ...

Principal Technical Safety Engineer

Hiring Organisation
Risktec Solutions Ltd
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent
experience in several of the following areas: Full stack development Python (and associated data analysis libraries such as Numpy and Pandas) C#, .NET, and JavaScript/Typescript Visual Basic for Applications (VBA) Linux, including bash scripting Git Experience in the following areasare desirable: Cloud technologies Data analysis and mathematical modelling ...

Senior Backend Engineer

Hiring Organisation
Nelly Works
Location
City of London, London, United Kingdom
skills : Comfortable building scalable servers, APIs, and databases. Computer science fundamentals : Solid grasp of data structures, algorithms, system design, and performance optimization. TypeScript/JavaScript or equivalent : Production experience with modern backend languages and frameworks. Database and infrastructure knowledge : Experience designing schemas, optimizing queries, and working with modern databases ...

Senior Fullstack Software Engineer

Hiring Organisation
Outsmart Insight
Location
London Area, United Kingdom
evolving well-structured RESTful APIs Designing and improving data models across relational (e.g. PostgreSQL) and NoSQL databases Working across the stack where needed, including JavaScript, modern HTML/CSS, and utility frameworks such as Tailwind Contributing to cloud-based infrastructure (e.g. Google Cloud), deployment pipelines and DevOps practices Debugging live ...

Power Platform Engineer

Hiring Organisation
Avanade
Location
England, United Kingdom
Model Context Protocol, Agent to Agent and LLM selection an advantage Software Development Experience, including proficiency in one or more of the following: Python, JavaScript, JSON, React and related scripting, .NET technologies (C#, ASP.NET), REST services & PowerShell desirable Nice to have - Experience of Power Pages Characteristics that can spell success ...

Quality Engineer

Hiring Organisation
Centrica - CHP
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
desirable. 2+ years of experience in leading or managing a team of software quality engineers or testers. Experience writing tests in JavaScript (required). Experience with various testing tools and frameworks such as Cypress, etc. Experience with various testing types such as functional, performance, accessibility, visual, etc. Experience with agile ...

Innovation Consultant

Hiring Organisation
Ingentive
Location
City of London, London, United Kingdom
innovation, AI adoption, or Copilot enablement programmes Exposure to Azure AI Foundry, AI Builder, or other Microsoft AI tooling Software development experience (for example JavaScript, TypeScript, C#, Python) or strong pro code extensibility skills within Power Platform Familiarity with Dynamics 365 Customer Engagement and/or Finance and Supply Chain ...

Sales Engineer

Hiring Organisation
Tiptap
Location
City of London, London, United Kingdom
that's where you create value - Feed customer signal back into product, closing the loop on the roadmap Qualifications - You're proficient in JavaScript/TypeScript and can write clean code and prototype customer-facing applications quickly. - You've got hands-on React and Node.js experience across frontend and backend. ...

Senior Pre-Sales Solutions Engineer - Enterprise

Hiring Organisation
Klaviyo
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
86400 to 129600 GBP Annually
years leading technical strategy on high-complexity Enterprise deals (6–7 figures) with minimal oversight 5+ years working across modern development stacks, including Python, JavaScript frameworks (Node.js, React), RESTful APIs, SQL, and some exposure to mobile development Familiarity with AI-assisted development tools (e.g. Codex, Claude Code) and emerging patterns ...

Web Developer

Hiring Organisation
ARC IT Recruitment
Location
Eastbourne, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 50,000 Annual
position Requirements: Degree in Computer Science or related (or equivalent experience) 2+ years' commercial web development experience Server Side coding (PHP, .NET or similar) JavaScript/jQuery, HTML, CSS SQL Server and SQL Scripting Understanding of security, accessibility, usability and SEO Strong communication skills and ambition to progress Interested? Apply ...

Developer (Dynamics 365 Customer Service and CCaaS Developer)

Hiring Organisation
DCV Technologies
Location
Luton, Bedfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
Chat and Voice bot Azure communications Services Dynamics Solution Management CI/CD with Azure DevOps Power BI Reporting (CCaaS Analytics) C#(.Net), JavaScript (client side in model driven) Desirable skills/knowledge/experience: Experience in managing Onsite and Offshore model. ...

Senior Fullstack Developer

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 per day
fast across mobile and backend. This role will be hands-on, building and owning features end to end. Essential Skills & Experience Strong TypeScript/JavaScript Experience in fast-paced, iterative teams 4+ years in your core area Confident delivering end-to-end features Comfortable jumping across frontend + backend React ...

Java Frontend Full Stack Developer

Hiring Organisation
Synechron
Location
Sheffield, England, United Kingdom
Developer with a strong frontend focus, capable of working in a framework-agnostic manner. The ideal candidate will have experience in HTML, CSS, and JavaScript, and a solid understanding of frontend system design including accessibility considerations. This role involves assessing, improving, debugging, and adding functionalities to existing web applications. ...

Senior Fullstack Typescript Engineer at $150m Funded Social-Good eCommerce Unicorn

Hiring Organisation
Grey Matter Recruitment
Location
London Area, United Kingdom
implement well-tested new product features. This role isn't just about coding, its about influencing product and business impact Desired Skills & Experience Fullstack JavaScript/TypeScript/Node.js software engineering experience SASS, DynamoDB, AWS Lambda, and Serverless Framework are all beneficial eCommerce/Shopify experience is a bonus ...

Frontend Developer

Hiring Organisation
The Portfolio Group
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
frontend developer. The role is paying up to £45,000 and is 5 days a week in the office. Essential: Client-side Javascript/Typescript Modern React Development (Hooks, Context, React Query) Unit & Component testing using React Testing Library Advanced version control using Git. Working with third party REST & GraphQL ...

Php Developer

Hiring Organisation
Stratospherec Ltd
Location
Brighton, Brighton and Hove, East Sussex, United Kingdom
Employment Type
Permanent
Salary
£40000 - £48000/annum Excellent benefits
architecture Experience working with MySQL or equivalent database Proficiency with Git or similar Desirable Skills Experience with headless or decoupled WordPress Exposure to modern JavaScript frameworks (React, Vue, ). Experience integrating payment gateways, CRMs, or third-party Familiarity with Docker or containerised development Experience with CI/CD pipelines ...

Senior QA / Automation Engineer – Trading Systems

Hiring Organisation
Albert Bow
Location
City of London, London, United Kingdom
integrated systems in a regulated environ ment Requirem ents:10+ years’ experience in QA/Test Autom ationStrong hands-on experience with Java/JavaScript (Spring Boot environm ents)Expertise in automation tools (Selenium, RestAssured, etc.)Experience with BDD/TDD (Cucumber, JUnit, Te stNG)Proven background in trading platforms ...

Full Stack Developer

Hiring Organisation
Arc IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
based architecture They work with a variety of technologies. You’ll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node, Jest, Cypress Ruby (non-Rails environment) – nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone ...

Machine Learning Engineer

Hiring Organisation
SF Partners Admin
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
need to be British citizens This Machine Learning Engineer should have most of the following key skills: - A software or data engineering background - Python, JavaScript, Typescript node.js etc - A real passion for bleeding edge generative AI and/or advanced machine learning technology - Pytorch, TensorFlow, LlamaCPP, Keras etc - Varied database ...

Senior Boomi Developer(Outside IR35)

Hiring Organisation
Amysoft Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
hands-on Boomi integration experience, including one or more of Salesforce, NetSuite, or Oracle EBS. Strong working knowledge of SOAP, REST, XML, JSON, and JavaScript/Groovy scripting. Proven ability to deliver in a fast-paced, evolving environment. A creative, pragmatic problem-solver with strong verbal and written communication skills. ...

Junior Php Developer

Hiring Organisation
Think Accountancy and Finance
Location
ST5, Newcastle under Lyme, Staffordshire, United Kingdom
Employment Type
Permanent
Salary
£25000 - £30000/annum
development Good understanding of programming and coding principles Knowledge of web development technologies Experience or understanding of MySQL databases Understanding of HTML, CSS and JavaScript A willingness to learn and develop technical skills Good problem-solving ability Strong communication skills and a positive attitude Desirable Exposure to Laravel or other ...

Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Derbyshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Agie experience and use of various tools Visual Studio, Git, Jira etc Great communication skills Desirable Strong Maths/Physics background React and JavaScript The Company This is a well-established organisation recognised for delivering high-performance engineering software used worldwide. Their teams are highly collaborative, technically driven, and committed ...