1 to 25 of 447 Permanent JavaScript Jobs in the South East

Senior Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
innovation. Essential Experience: Proven experienced leading/mentoring software engineering teams in an Agile Environment Experience using C#/ASP.NET (Core & Framework) Modern JavaScript Frameworks such as Angular (v8+) Solid understanding of relational databases - MySQL is preferred. Expertise in version control systems such as Git Implementing testing strategies (Unite, Integration ...

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
clearance . Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript , or similar. Proven expertise in automation testing , with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured . Strong knowledge of integration testing ...

Senior Developer - Full-Stack C#, .NET, React, Azure

Hiring Organisation
Akkodis
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
your work. You'll bring: Proven experience delivering digital products using agile methodologies. Strong expertise in C#, .NET, React and Azure. Additional skills across JavaScript, HTML/CSS and Azure PaaS (Functions, Logic Apps, Cosmos DB, App Service, Service Bus). Knowledge of ARM/Bicep templates and SharePoint (beneficial ...

C# Full Stack Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
Razor/Blazor Implement RESTful APIs and microservices, integrating with Azure Functions, SQL Server and containerised Docker workloads Craft intuitive front ends with JavaScript, TypeScript and React or Angular, ensuring pixel-perfect UIs Lead code reviews, troubleshoot production issues and optimise performance (caching, indexing, async patterns) Collaborate in Agile ceremonies ...

Senior Developer (Node/React)

Hiring Organisation
Arc IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
improvement efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in React, JavaScript/TypeScript, HTML, CSS, and responsive design principles Strong understanding of Back End technologies and best practices Passion for writing clean, well-tested code Experience ...

Senior Software Engineer

Hiring Organisation
Ontik
Location
Slough, Berkshire, UK
Employment Type
Full-time
ability to take initiative and drive projects forward Proficiency in full-stack development using any object oriented language (we use .NET) and any modern javascript framework (we use React) Experience working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding ...

Technical Lead/Engineer Lead - London

Hiring Organisation
Evolve Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£71,000 - £113,000 per annum
ever the same. Tech stack required ideally: You can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms ...

Software Developer in Test

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Experience: Eligibility for SC clearance . Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript , or similar. Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured. Knowledge of integration testing and automation frameworks. ...

Junior Software Engineer

Hiring Organisation
Career poster
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
business Skills and Experience: Essential 1+ years Microsoft ASP .NET experience C# ASP.NET core MVC/WebAPI Entity Framework RESTful web services and JSON Javascript HTML/CSS Degree in computer science or another closely related subject Desirable T-SQL Web Security and Cryptography React Docker Python Qualities: Team player ...

.NET Developer

Hiring Organisation
Noir
Location
Lavant, Chichester, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £70,000 per annum
application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

C# Developer

Hiring Organisation
Eligo Recruitment
Location
Brighton, East Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
Hands-on experience with Azure SaaS, PaaS and IaaS Knowledge of DDD, Microservices, CQRS and messaging systems Solid understanding of SQL Server, HTML, CSS, JavaScript and TypeScript Deep knowledge of OOP, SOLID principles and design patterns Eligo Recruitment is acting as an Employment Business in relation to this vacancy. Eligo ...

Software Engineer

Hiring Organisation
Gerrell & Hard
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
scientific applications Effective communication, collaboration, and problem-solving abilities Highly organised, proactive, and self-motivated Desirable Skills Containerisation (e.g., Docker) ASP.NET Core/Blazor JavaScript or TypeScript (e.g., React) 3D geometry programming WPF Machine-learning model development CI/CD pipelines Infrastructure-as-code (e.g., Terraform for Azure/ ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Maidstone, Kent, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Slough, Berkshire, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Guildford, Surrey, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Crawley, West Sussex, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Brighton, East Sussex, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
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 ...

QA Automation Engineer (Python / PyTest / Cosmos DB)-Banking Client Exp Required

Hiring Organisation
Vallum Associates
Location
Slough, Berkshire, UK
Employment Type
Full-time
financial regulations such as GDPR, SOX Experience with cloud-based QA practices Exposure to AI-assisted testing tools Knowledge of web technologies (HTML, CSS, JavaScript) and browser automation tools (Selenium) Formal QA certification (ISTQB or equivalent) Experience with Microsoft Fabric (advantageous) What the Client Is Looking For A hands ...

Full Stack Engineer

Hiring Organisation
United Repair Centre
Location
Slough, Berkshire, UK
Employment Type
Full-time
promote best practices (SOLID, DRY, KISS) Participate in Agile rituals and continuous delivery processes What You Bring 2+ years of experience working with JavaScript/TypeScript in a full-stack role Solid experience with Node.js and Express.js Strong React skills and a good grasp of modern frontend patterns Experience with ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience ...

Full Stack Engineer

Hiring Organisation
TabCap Investment Management
Location
Slough, Berkshire, UK
Employment Type
Full-time
implementing new tools and technologies as business needs evolve. You Should Have Essential: 2-5 years professional development experience Solid understanding of modern JavaScript/frontend frameworks (React preferred) Experience with a modern backend language/framework (Python, Node.js, C#, Java, etc.) Experience with Git and collaborative development Excellent quantitative ...