1 to 25 of 164 JavaScript Jobs in the Thames Valley

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 ...

.NET Developer - Witney

Hiring Organisation
Noir
Location
Witney, Oxfordshire, 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. ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Milton Keynes, Buckinghamshire, 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: Senior: 6+ years of software engineering experience Principal: 10+ years ...

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 ...

Senior Data Engineer

Hiring Organisation
Mastek
Location
Slough, Berkshire, UK
Employment Type
Full-time
Databricks development and deployment. Optimise Databricks workloads for performance and cost. Need to program using the languages such as SQL, Python, R, YAML and JavaScript Data Integration: Integrate data from various sources, including relational databases, APIs, and streaming data sources. Implement data integration patterns and best practices. Work with ...

Senior Frontend Web Developer (React &

Hiring Organisation
Narwhal Media Group (NMG)
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
complex frontend issues across browsers and devices. Qualifications 5+ years professional experience in frontend development with strong expertise in React and Next.js. Proficiency in JavaScript, TypeScript, HTML, CSS, and related tooling. Experience with state management (Redux, Zustand, Recoil, or similar). Strong understanding of responsive design, accessibility, and UI/ ...

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 ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
Slough, Berkshire, UK
Employment Type
Full-time
Vertex AI, Anthropic, or similar). Demonstrated ability to design and implement AI-enhanced interfaces that improve usability, personalization, or automation. Deep understanding of JavaScript (ES6+), React Hooks, and state management patterns (Redux, Zustand, or Recoil). Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools. ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Slough, Berkshire, UK
Employment Type
Full-time
degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. - You love balancing delivery speed with ...

Clinician Engineer at Eolas Medical

Hiring Organisation
Eolas Medical
Location
Slough, Berkshire, UK
Employment Type
Full-time
high-quality, reliable solutions. Curiosity, humility, and a desire to build the future of clinical decision support. Nice to Have Experience coding in TypeScript, JavaScript, Python, or similar. Understanding of cloud systems (AWS preferred). Familiarity with LLMs, embeddings, or semantic search. A portfolio of side projects, tools, or apps ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
Slough, Berkshire, UK
Employment Type
Full-time
schema design, domain-driven architecture, and concurrency. Proven experience developing production-grade RESTful APIs ideally with an API-first approach. Some proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Familiarity with ...

Senior Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Strong experience with SQL Source control, ideally Git Agile Any experience in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI Spectrum IT Recruitment (South) Limited is acting ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Bracknell, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
Strong experience with SQL Source control, ideally Git Agile Any experience in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI Spectrum IT Recruitment (South) Limited is acting ...

Senior Java Developer Spring Boot

Hiring Organisation
Client Server
Location
Slough, Berkshire, UK
Employment Type
Full-time
Spring Boot and microservices You have experience with public cloud technologies, AWS preferred You have a good appreciation of front end technologies e.g. JavaScript/TypeScript, Angular, HTML, CSS You're collaborative and pragmatic with excellent communication skills What's in it for you: Competitive salary, to £85k Continuous career ...

Senior Software Engineer (.NET)

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Designing and building solutions using .NET Framework Delivering projects centred around payment gateways, integrations, and transactional systems Developing front-end applications using modern JavaScript frameworks (Angular or React preferred) Deploying and maintaining applications in Microsoft Azure Working with containerised environments and Kubernetes Collaborating with senior engineers, architects, and client stakeholders ...

Senior Web Developer

Hiring Organisation
First Recruitment Group
Location
Slough, Berkshire, UK
Employment Type
Full-time
culture on cyber security awareness. Candidate Qualifications Technical Skills and Experiences As the Senior Web Developer, you will provide deep knowledge of the following Javascript/JQuery Java/Groovy Any Grails experience will be of benefit. HTML and CSS Working experience of the following MS SQL Server databases, including ...

Senior Developer (Freelance Onsite London Contract)

Hiring Organisation
Underwaterpistol (Shopify Plus Agency)
Location
Slough, Berkshire, UK
Employment Type
Full-time
good eye for design. Strong communication and documentation skills. Portfolio of live projects demonstrating your work. Nice to Have Experience with Gadget Familiarity with JavaScript frameworks (React, Vue, Angular). Experience with Node.js, Python, Ruby, or PHP. ...

Senior Software Engineer

Hiring Organisation
Adecco
Location
Windsor, Berkshire, UK
Employment Type
Full-time
role. AWS Expertise: Strong proficiency in AWS services, particularly Amazon Lex and other AI/ML offerings. Tech Savvy: Proficiency in TypeScript and modern JavaScript frameworks. DevOps Knowledge: Solid understanding of DevOps methodologies and tools (CI/CD, Serverless, Monitoring). Contact Center Familiarity: Experience with contact center technologies ...

Senior Software Engineer

Hiring Organisation
Adecco
Location
Windsor, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 per day
role. AWS Expertise : Strong proficiency in AWS services, particularly Amazon Lex and other AI/ML offerings. Tech Savvy : Proficiency in TypeScript and modern JavaScript frameworks. DevOps Knowledge : Solid understanding of DevOps methodologies and tools (CI/CD, Serverless, Monitoring). Contact Center Familiarity : Experience with contact center technologies ...

AI Engineering Lead

Hiring Organisation
Akixi
Location
Slough, Berkshire, UK
Employment Type
Full-time
developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft ...

AI Engineering Lead

Hiring Organisation
Akixi
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft ...

AI Engineering Lead

Hiring Organisation
Akixi
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft ...

Full Stack Developer (Space/Ground Segment Software)

Hiring Organisation
Hays
Location
Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£95,000
STEM or Computing discipline. Must have at least five years of full stack development using Java, Python or C++ for Back end Development and JavaScript on the Front End, ideally with the React framework. It is essential you've worked on the development of mission-critical applications within space, defence ...

Senior Software Engineer

Hiring Organisation
Ripple
Location
Slough, Berkshire, UK
Employment Type
Full-time
related field. Proven experience in software development, with at least 5 years in a similar role. Strong proficiency in programming languages such as Typescript, JavaScript and Java Experience with Spring and React. Outstanding problem-solving skills and the ability to thrive in a fast-paced, ambitious environment. Proficient in software ...

Java Developer Spring Boot - Tech Scale-up

Hiring Organisation
Client Server
Location
Slough, Berkshire, UK
Employment Type
Full-time
have a good knowledge of Spring Boot and microservices You're familiar with AWS You have a good appreciation of front end technologies e.g. JavaScript/TypeScript, Angular, HTML, CSS You're collaborative and pragmatic with excellent communication skills What's in it for you: Competitive salary, to £65k Continuous ...