626 to 650 of 1,317 JavaScript Jobs in England

Cloud AI Platform Engineer - AI-Native Backend & DevTools

Location
Cambridgeshire and Peterborough, England, United Kingdom
backend or full-stack experience and a focus on AI-native workflow automation. You will work on cloud platform services, leveraging Python/Go, JavaScript/TypeScript, and container tooling. Join a growing tech team developing open-source–style contributions, with hands-on Kubernetes and IaC work across AWS/ ...

Senior AI-Driven Professional Services Consultant

Location
Greater London, England, United Kingdom
management, automation, and integration solutions for large enterprise customers with minimal oversight. The role requires 7+ years in senior consulting, strong scripting (Python, Go, JavaScript, Ruby, PowerShell), knowledge of REST APIs, CI/CD, and DevOps tools. #J-18808-Ljbffr ...

Senior React Engineer - Financial Markets Platform

Location
Greater London, England, United Kingdom
experienced front-end developer to build scalable web and desktop tools for traders and market operators. You'll design and implement apps using JavaScript, TypeScript and React, integrate with Python APIs, and work with CI/CD and testing to ensure quality and reliability. The role emphasizes ownership, collaboration with ...

Senior Full Stack Engineer - XR & Cloud Platforms

Location
Greater London, England, United Kingdom
spatial models. You will balance hands-on development with technical leadership across web, cloud, APIs, and data workflows. You'll work with React, JavaScript, TypeScript, Azure-hosted services, CI/CD, and mobile deployment using Capacitor for Android and iOS. #J-18808-Ljbffr ...

Senior Full-Stack Engineer: XR-Driven Cloud Solutions

Location
Epsom, England, United Kingdom
development with technical leadership across web apps, cloud services, APIs and mobile deployment to deliver real-world value. You will work with React, JavaScript, TypeScript, Azure and modern CI/CD pipelines, contributing to XR features and secure, scalable solutions across platforms. #J-18808-Ljbffr ...

Senior Cloud Engineer - Security & Scale (AWS, Python)

Location
Greater London, England, United Kingdom
work in a cross-functional Agile team, mentor colleagues, and help shape engineering standards while delivering reliable releases. Candidates should have strong Python/JavaScript, AWS, CI/CD, Terraform, Linux, and RESTful services experience to support a mission-critical platform. #J-18808-Ljbffr ...

Senior Full-Stack ML Ops Engineer - Hybrid, AWS

Location
Greater London, England, United Kingdom
digital bank, is seeking a Full Stack Engineer (ML Ops) in London. The role combines backend Java services with modern frontend work in JavaScript, React and Redux. The position offers a hybrid working model (up to 2 remote days per week) and a base salary in the £70K–£110K range ...

Software engineer – Cloud AI platform

Location
Cambridgeshire and Peterborough, England, United Kingdom
trust it on sight) Experience of interest: AI-native development Experience in building backend services, developer tools, or infrastructure products, using Python, or Go Javascript, Typescript experience Hands-on experience with Kubernetes, IaC, and cloud experience (AWS or GCP preferred) Open-source contributions or relevant (and demonstrable) personal projects This ...

Junior Business Systems Developer

Hiring Organisation
VERTEC SERVICES Ltd
Location
Great Missenden, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£28000 - £35000/annum
greater responsibility across projects supporting the internal system. Core Competencies PHP development and debugging experience SQL and relational database understanding HTML, CSS and JavaScript fundamentals Understanding of APIs and system integrations Logical problem solving and analysis for the root cause Ability to communicate with non-technical stakeholders Ability to prioritise ...

Salesforce DevOps Engineer - SC Cleared

Hiring Organisation
ANSON MCCADE
Location
London, UK
infrastructure as code Active SC clearance Desirable Salesforce DX and Salesforce CLI plugin development Provar or other Salesforce test automation tooling Node.js/JavaScript for Puppeteer and CLI plugin work Previous public sector delivery experience ...

AI Copilot Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £490/day Inside IR35
with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Tech Stack Copilot Powerapps Power platform Javascript Role Development and support of low code Business applications using Power platform, M365, C#, JavaScript. You will collaborate closely with business analysts, business users ...

Senior Python Developer (G7)

Hiring Organisation
SUMMER-BROWNING ASSOCIATES LIMITED
Location
East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £0.01 per day
optimisation: Ability to identify opportunities to improve development processes and contribute to implementing practical solutions. Core Tech stack: Python (django and ninja) Front-end - JavaScript, HTML, CCS Familiarity with AWS GitHub and GitHub actions Claude code use NB: Active SC required for assignment To apply, please submit latest ...

AI Copilot Developer - Hybrid (Canary Wharf)

Location
Greater London, England, United Kingdom
with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Tech Stack Copilot Powerapps Power platform Javascript Role Development and support of low code Business applications using Power platform, M365, C#, JavaScript. You will collaborate closely with business analysts, business users ...

Application Support Engineer - DV

Hiring Organisation
Proactive Appointments
Location
Gloucester, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 580 Daily
software architectures Understanding of structured text formats: JSON, XML, CSV The below skills are nice to have: Exposure to programming languages such as Java, JavaScript, Python, and Go API definitions: Swagger/Open API 3 Shell Scripting AWS or other cloud platforms' administration Site Reliability Engineering, DevOps, or similar roles ...

Rust Engineer | Rapidly Growing AI Start-Up | London

Location
Greater London, England, United Kingdom
with genuine real-world impact. About you Strong academic background Experience in Rust, or exceptional Engineering skills in C++/Python/C#/Javascript Comfortability handling projects from experimentation all the way through to production Great problem-solving skills and the ability to thrive in fast-moving engineering environments ...

Microsoft AI Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £400 per day
knowledge-grounded AI applications AI agents and agentic workflows Microsoft Fabric Power Platform Azure Functions/Logic Apps APIs and system integrations Python, C#, JavaScript/TypeScript or similar Microsoft Entra ID/cloud security Please click apply ...

Senior Python Developer (G7)

Hiring Organisation
SUMMER-BROWNING ASSOCIATES LIMITED
Location
Whitechapel, Lancashire, UK
optimisation: Ability to identify opportunities to improve development processes and contribute to implementing practical solutions. Core Tech stack: Python (django and ninja) Front-end - JavaScript, HTML, CCS Familiarity with AWS GitHub and GitHub actions Claude code use NB: Active SC required for assignment To apply, please submit latest ...

Graduate Platform Engineer

Location
City Of London, England, United Kingdom
code (IaC), and CI/CD (experience with GitHub Actions and Jenkins would be ideal) Coding skills in Python, preferably with some exposure to JavaScript and Java A solid understanding of IT security principles Full existing UK work permission without time limit or the need for sponsorship This ...

Junior Python Django Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Some commercial python and Django development experience§As a full-stack developer you will have some demonstrable experience in front-end technologies (HTML5, CSS3, Javascript/AngularJS)You will gain exposure to NumPy, SciPy, pandas, IPython and other Python libraries with ability to source, clean and manipulate large data sets ...

Senior Software Engineer - GitHub Actions & Release Automation

Location
Greater London, England, United Kingdom
queries. Produce clear, user-focused documentation that enables teams to self-serve SKILLS Must have Experience writing well-tested backend code in TypeScript or JavaScript for Node.js Experience with modern software development practices, such as Test-Driven Development (TDD), trunk-based development, iterative delivery and small, frequent releases Proven ability ...

Senior Software Engineer (SDLC, GitHub Actions)

Location
Greater London, England, United Kingdom
queries. Produce clear, user-focused documentation that enables teams to self-serve SKILLS Must have Experience writing well-tested backend code in TypeScript or JavaScript for Node.js Experience with modern software development practices, such as Test-Driven Development (TDD), trunk-based development, iterative delivery and small, frequent releases Proven ability ...

Senior Cyber Security Consultant - Red Team Delivery

Hiring Organisation
Morson Edge
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£40.00 - 88.98 per hour
cloud exploitation, malware development, detection evasion, operational security, physical security testing or adversary emulation. Experience using scripting or development languages such as Python, C#, JavaScript, Go, Rust or similar. Ability to contribute technical leadership and provide direction during engagements. Strong analytical, communication and reporting skills. Willingness to travel to customer ...

Senior Software Engineer-DV Security Cleared

Hiring Organisation
Morson Edge
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£550 - 600 per day
/GPU-accelerated computing Machine learning and data analytics NumPy/SciPy, PostgreSQL/SQLite, Docker/containerised environments Ansible, Cython, Celery/Redis JavaScript, HTML5 and CSS3, Nginx/Keycloak Edge computing, sensor systems or distributed/federated architectures Signal, sensor or other complex data processing ...

Senior Cyber Security Consultant (Red Team Delivery)

Location
West of England, England, United Kingdom
cloud exploitation, malware development, detection evasion, operational security, physical security testing or adversary emulation. Experience using scripting or development languages such as Python, C#, JavaScript, Go, Rust or similar. Ability to contribute technical leadership and provide direction during engagements. Strong analytical, communication and reporting skills. Willingness to travel to customer ...

Developer Placement

Hiring Organisation
Hackajob Ltd
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£26,000
works and a self-motivated desire to learn. You will bring a basic understanding of core languages like C#, VB.NET, VUE.JS, HTML, CSS, and Javascript, alongside the ability to adapt quickly to new technologies. Beyond your technical potential, you will need to be a great communicator who listens well, thinks ...