1 to 25 of 238 Permanent JavaScript Jobs in the South East

Senior Developer (Java)

Hiring Organisation
United Kingdom Government
Location
Reading, Berkshire, United Kingdom
Salary
£ 50 K
code practices.Working knowledge of Linux or other Unix-like operating systems.Understanding of Behaviour Driven Development, user-centred design and service delivery principles.Experience with JavaScript or TypeScript UI development, including React and Single Sign-On integrations.Experience working on large-scale government, public sector or regulated services where security, resilience and auditability ...

Mid to Snr Fullstack Developer

Hiring Organisation
Avanti
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
experience Commercial cloud experience with AWS, Azure or GCP Strong automated testing experience, including Jest/Mocha and ideally Cypress, BrowserStack or similar Excellent JavaScript fundamentals Strong communication and problem-solving skills Experience with TypeScript, SaaS/startups, generative AI APIs, creative technology, Unix/Linux or Bash ...

React Product Engineer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
experience Commercial cloud experience with AWS, Azure or GCP Strong automated testing experience, including Jest/Mocha and ideally Cypress, BrowserStack or similar Excellent JavaScript fundamentals Strong communication and problem-solving skills Experience with TypeScript, SaaS/startups, generative AI APIs, creative technology, Unix/Linux or Bash ...

React Product Engineer

Hiring Organisation
Avanti Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
experience Commercial cloud experience with AWS, Azure or GCP Strong automated testing experience, including Jest/Mocha and ideally Cypress, BrowserStack or similar Excellent JavaScript fundamentals Strong communication and problem-solving skills Experience with TypeScript, SaaS/startups, generative AI APIs, creative technology, Unix/Linux or Bash ...

Angular Developer, Hybrid

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£300.00 - £350.00 per day
customers to build high-quality solutions using Angular and .NET technologies. Key Skills Required Strong commercial experience with Angular Good knowledge of TypeScript, JavaScript, HTML and CSS Experience integrating with REST APIs Solid .NET/ASP.NET Core experience Experience with automated testing tools such as Playwright, Vitest, Cypress or Jest ...

Dynamics 365 CE Developer

Hiring Organisation
Amtis professional Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £500.00 per day
following: Dynamics 365 CE/CRM development Plugins, workflows and custom APIs Dynamics 365 configuration and customisation C# .NET Framework/.NET Core JavaScript, TypeScript, HTML and CSS Web APIs and integration services Azure Functions Azure Logic Apps Azure Service Bus Azure API Management Azure DevOps Git source control REST ...

Principal Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
role. You'll ideally have strong experience across one or more of the following: Backend: Java, Spring Boot, Maven and/or Python Frontend: JavaScript, TypeScript, React and npm Designing, developing and deploying scalable software systems. DevOps and CI/CD practices. Containerisation technologies including Docker and Kubernetes. Cloud technologies ...

Software Engineer - Defence

Hiring Organisation
Sanderson Government and Defence
Location
Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
have a degree in a STEM subject (or equivalent industry experience) and experience with some of the following technologies: Programming Languages Python Java Rust JavaScript Cloud & Infrastructure AWS (preferred) Azure or GCP Docker or Podman Kubernetes Software Engineering Microservices Serverless architectures REST APIs and/or gRPC Event-driven systems ...

Senior Python Developer - up to £90,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £90,000 per annum
Build RESTful APIs using Flask and FastAPI for internal services and cross team integrations Develop lightweight web based dashboards and interfaces using HTML, CSS, JavaScript and Jinja2 Work with PostgreSQL, MySQL, MongoDB and Redis for application, configuration and testing data Build and maintain Docker and Docker Compose environments for application ...

Engineering & Science - Senior Software Engineering

Location
Crawley, England, United Kingdom
.NET (C#) and modern frameworks. Strong skills in building APIs and microservices (REST, gRPC) and working with databases (PostgreSQL). Frontend experience with Angular, JavaScript, HTML5, CSS3. Hands‐on experience with Docker, Kubernetes, and CI/CD pipelines (Azure DevOps or similar). Familiarity with open‐source tools, cloud platforms ...

Software Developer in Test - C3

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Skills & Experience: Eligibility for Security 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 ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban) Strong programming skills in Java, C#, JavaScript/TypeScript , or similar Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured Experience with integration testing, test strategy , and test ...

Senior Software Engineer

Hiring Organisation
Elekta
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 70 K
ideally with .NET (C#) and modern frameworks.Strong skills in building APIs and microservices (REST, gRPC) and working with databases (PostgreSQL).Frontend experience with Angular, JavaScript, HTML5, CSS3.Hands-on experience with Docker, Kubernetes, and CI/CD pipelines (Azure DevOps or similar).Familiarity with open-source tools, cloud platforms, and infrastructure ...

Senior PHP Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
Basingstoke, Hampshire, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
APIs and backend services. Strong MySQL knowledge, including query optimisation and performance tuning. Understanding of software architecture, design patterns, and SOLID principles. Experience with JavaScript (ES6+), HTML5, CSS, Git, Docker, and Linux/WSL environments. Strong experience with unit testing, automated testing, and code reviews. Experience working in Agile/ ...

Senior .NET Developer (C#, ASP.NET Core)

Hiring Organisation
Partnerscale
Location
Bicester, Oxfordshire, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
C# with ASP.NET Core and Entity Framework, depth in SQL Server including schema design and query tuning, working front-end skills across HTML, CSS, JavaScript and jQuery, REST API experience and disciplined Git habits within an agile team. Domain driven design, CI/CD pipelines, automated testing, very large datasets ...

Full Stack Developer (Node/React)

Hiring Organisation
Arc IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in Node, 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 ...

.NET Developer - Stansted

Hiring Organisation
Noir
Location
Stansted, Essex, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 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, Azure Cosmos DB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban ...

.NET Developer

Hiring Organisation
Noir
Location
Chichester, West Sussex, 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. ...

Senior Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
standards Key Skills & Experience Strong commercial experience in Java Proven experience developing microservices architectures Solid experience with SQL/relational databases Frontend experience with JavaScript Experience with CI/CD pipelines and DevOps practices Strong understanding of software engineering principles and best practices Experience working in Agile environments Desirable Experience ...

Chief Technology Officer (CTO)

Location
Havant, England, United Kingdom
Strong understanding of modern development practices (CI/CD, automated testing, DevOps, cloud‐native architectures). Broad knowledge of the following technology stacks (e.g., JavaScript/TypeScript, Python, .NET, Java, Low‐Code) and experience overseeing full‐stack development. Experience with cloud platforms (AWS, Azure etc.). Strong understanding of data ...

Data Engineer II (Data Platform)

Hiring Organisation
TripAdvisor
Location
Oxford, Oxfordshire, United Kingdom
Salary
Confidential
frameworks such as Flink or Spark Streaming.Experience with task orchestration tools such as Apache Airflow or similar systems.Familiarity with additional technologies: GraphQL, React, HTML5, JavaScript, CSS, Postgres, Gradle, BERT.Experience working with and designing infrastructures for large-scale data processing (Hive, Snowflake, NoSQL databases).Experience with data governance practices and tooling.Exposure ...

Data Engineer II (Data Platform)

Hiring Organisation
TripAdvisor
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
Flink or Spark Streaming. Experience with task orchestration tools such as Apache Airflow or similar systems. Familiarity with additional technologies: GraphQL, React, HTML5, JavaScript, CSS, Postgres, Gradle, BERT.Experience working with and designing infrastructures for large-scale data processing (Hive, Snowflake, NoSQL databases).Experience with data governance practices and tooling. Exposure ...

Senior Ruby on Rails Developer

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
strong ability to align technical direction with business strategy in fast-moving, product-centric environments. Key requirements: Ruby & Ruby on Rails Full-Stack Engineering: JavaScript, TypeScript, React, Hotwire, Stimulus Node.js & React exposure beneficial API Design: REST, GraphQL, external integrations Data Stores: PostgreSQL, MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud ...

Full Stack Engineer

Hiring Organisation
Robert Half
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Stack Engineer will have strong SQL Server/Azure SQL, including database design, data modelling, queries, performance and data integrity. Strong React, Node.js and JavaScript/TypeScript experience. Experience with Azure Web Apps and taking applications through to production. Strong understanding of software engineering fundamentals, with the ability to independently ...

Senior Product Engineer C#/.NET & AI

Hiring Organisation
Daniel James Resourcing Ltd
Location
Hungerford, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/or AWS Hands-on exposure to LLMs or Generative AI Crucially ...