51 to 75 of 935 JavaScript Jobs in England

Senior Quality Assurance Engineer

Hiring Organisation
Formula Recruitment
Location
Leeds, England, United Kingdom
Hands-on experience building automation frameworks using Playwright (preferred). Strong scripting ability in C#/.NET. Experience testing modern web applications (HTML, CSS, JavaScript). Experience with API testing tools such as Postman or similar. Understanding of SQL for data validation and test setup. Experience working within Agile environments. ...

Senior React Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £140,000 per annum
Experience 5+ years of experience in frontend/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis, Kafka ...

Contract Senior Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £750 per day
NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE ...

Java Developer

Hiring Organisation
Anson Mccade
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
residency, no gaps longer than 30 days) Nice-to-Have: TDD/BDD experience Exposure to enterprise middleware, secure integrations, or frontend technologies (JavaScript) Experience with microservice architectures or large-scale software delivery What's on Offer: Competitive salary with bonuses Hybrid working : 3 days per week in Newcastle office ...

Junior Full Stack Developer

Hiring Organisation
Oscar Technology
Location
Nottingham, Nottinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £35,000 per annum
opportunity to learn best practices and progress your career quickly. Requirements 6 months - 2 years' experience in C# .NET Exposure to Angular Experience with JavaScript/TypeScript, HTML and CSS Basic knowledge of SQL/databases Understanding of REST APIs and web application architecture Passion for learning and developing your ...

Java Full Stack Developer

Hiring Organisation
Mastek
Location
Reading, England, United Kingdom
collaboration and engineering the best possible Java code. Must Have Skills: Experience with Java 8, Java 11, Spring Framework, Spring Boot Solid understanding of JavaScript: Angular and NodeJS preferred Practical Micro services development experience • Practical Relational Database development experience (e.g. PostgreSQL) REST APIs • Strong understanding CI and DevOps technologies (Hands ...

Senior React Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
related field 5+ years of experience in frontend/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis ...

.NET Developer

Hiring Organisation
Reed
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum, Negotiable
highly advantageous Agile development & Continuous Integration experience Exposure to Azure Stack, Power Automate, Power Apps Knowledge of microservice architecture Front-end experience (HTML, JavaScript, modern frameworks) Ready to level up your career? If you’re excited by building, integrating, automating, and delivering real impact — hit Apply with your updated CV. ...

Senior Software Developer (Full Stack)

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 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. ...

Software Developer

Hiring Organisation
Infoshare+
Location
Milton Keynes, England, United Kingdom
infrastructure-as-code patterns using YAML and Bicep Requirements 3 or more years of commercial experience in full stack development Strong proficiency in C# , JavaScript , HTML , CSS , and .NET (version 6 or above) Experience working with MSSQL (query writing, optimisation, schema design) Experience with Azure Cloud services (App Services, Service ...

Geospatial Software Engineer

Hiring Organisation
ISR Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
making. Skills and Experience: Essential 3+ years' experience in a Full Stack Engineering role Strong development skills in .NET, Java or Python, alongside modern JavaScript frameworks/libraries Experience working in Agile environments (Scrum, Kanban, TDD) Solid understanding of architectural and design patterns, including microservices and serverless Hands-on experience ...

Geospatial Software Engineer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£60000 - £90000/annum (plus company benefits & bonuses)
making. Skills and Experience: Essential 3+ years’ experience in a Full Stack Engineering role Strong development skills in .NET, Java or Python, alongside modern JavaScript frameworks/libraries Experience working in Agile environments (Scrum, Kanban, TDD) Solid understanding of architectural and design patterns, including microservices and serverless Hands-on experience ...

Principal Software Engineer

Hiring Organisation
Eurochange
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
passionate about building systems that last. You'll bring: Expert-level experience with C#, .NET and object-oriented design Strong front-end knowledge using JavaScript/TypeScript and React Deep experience designing and governing enterprise APIs (REST & SOAP), ideally on Azure Proven leadership in DevOps, CI/CD pipelines ...

Senior Software Engineer

Hiring Organisation
Cyber Guardian Consulting Group, LLC
Location
Newcastle Upon Tyne, England, United Kingdom
zones Nice to Haves Hands-on experience integrating with third-party SaaS systems (ERP, HRIS, CRM, finance platforms, etc.) Working knowledge of frontend programming (JavaScript, HTML, CSS) Comfortable working with Excel Experience with authentication methods such as OAuth 2.0, API keys, JWT IT background with experience supporting, integrating, or administering ...

Senior M365 Engineer

Hiring Organisation
Goodman Masson
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£46,000 per annum
ecosystem. Strong expertise in Dataverse, custom connectors, Microsoft Graph API, SharePoint Framework (SPFx), and Azure services (Logic Apps, Functions). Proficiency in Power Fx, JavaScript, C#, HTML/CSS, and integrating third-party systems via REST APIs. Experience with complex integrations (including non-Microsoft databases/systems) and secure, compliant ...

Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, Gloucestershire, UK
variety of Defence, Cyber and Intelligence programmes. 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 ...

Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, England, United Kingdom
variety of Defence, Cyber and Intelligence programmes. 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 ...

Software Engineer (React Native) - UCX

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
app. What We're Looking For 5+ years of professional mobile development experience, with 2+ years using React Native. Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns. Experience integrating third-party libraries, analytics tools, and mobile SDKs. Strong understanding of secure mobile development, especially within financial ...

Senior Software Engineer (React Native) - UCX

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
mobile technologies. What We're Looking For 8+ years of professional mobile development experience, with 5+ years using React Native. Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns. Experience integrating third-party libraries, analytics tools, and mobile SDKs. Strong understanding of secure mobile development, especially within ...

Senior Software Engineer

Hiring Organisation
Anonymous
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £75000/annum BONUS
/USB3 Industrial Libraries, Microsoft Teams, Jira, GitHub, Bitbucket. Gitkrake Software Engineers will have strong ability to write clean code in python, C++, and JavaScript Very strong communication skills and ability to work independently to meet deadlines A demonstrated ability to rapidly pick up new skills in context and apply ...

Senior Software Engineer

Hiring Organisation
Harrington Starr
Location
City Of London, England, United Kingdom
Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This ...

Software Developer - C#/.Net/Azure

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
back-end technologies We are interested in hearing from candidates who have the following capabilities: Strong experience with C#, .NET, SQL, Angular, HTML, and JavaScript Eagerness to learn and implement new learning. Desirable Criteria It would also be beneficial, but not mandatory, to have meet some ...

Lead Software Engineer

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
Technical Lead or Senior engineer Strong software engineering and system design background Experience delivering enterprise applications on AWS, Azure or GCP Proficiency in JavaScript, Java or .NET Agile delivery experience (Scrum/Kanban) Knowledge of DevOps, CI/CD, infrastructure-as-code and modern testing practices Strong communication and stakeholder ...

Lead Software Developer

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
Technical Lead or Senior engineer Strong software engineering and system design background Experience delivering enterprise applications on AWS, Azure or GCP Proficiency in JavaScript, Java or .NET Agile delivery experience (Scrum/Kanban) Knowledge of DevOps, CI/CD, infrastructure-as-code and modern testing practices Strong communication and stakeholder ...

Lead Software Engineer

Hiring Organisation
Anson Mccade
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Technical Lead or Senior engineer Strong software engineering and system design background Experience delivering enterprise applications on AWS, Azure or GCP Proficiency in JavaScript, Java or .NET Agile delivery experience (Scrum/Kanban) Knowledge of DevOps, CI/CD, infrastructure-as-code and modern testing practices Strong communication and stakeholder ...