226 to 250 of 444 JavaScript Jobs in London

AI Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Solutions Engineer, AI Solutions Architect, or similar Strong experience working directly with enterprise customers (consulting, workshops, exec comms) Development skills are desirable (Python/JavaScript/TypeScript) for prototypes and integrations Strong understanding of AI/LLM concepts (prompting, RAG) Track record in digital experience or enterprise SaaS Highly desirable ...

Solution Architect - Viator API Implementation

Hiring Organisation
Viator
Location
London, UK
Employment Type
Full-time
travel or e-commerce industry. Strong understanding of APIs, RESTful services, and integration methodologies. Hands-on experience with programming languages (e.g., Python, JavaScript, or similar) and API tools (e.g., Postman, Swagger). Familiarity with e-commerce platforms, travel technologies, and B2C integrations is a plus. Proven ability to analyze complex ...

Software Developer (1-4 year) | 55,000–77,000 | Hybrid (London / Remote)

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £75,000 per annum, OTE
Design and build high-performance software used by thousands of users daily Develop clean, efficient, and scalable code in Python, C++ or JavaScript Collaborate with engineers, data scientists, and product teams on exciting new features Contribute to technical discussions and see your ideas implemented fast Get exposure to cloud computing … Looking For Strong academic background - degree from a top-ranked university Strong coding ability in at least one of: Python, C++, Java, or JavaScript Curiosity and problem-solving mindset — you love figuring things out Comfortable learning new technologies quickly Bonus: experience with Git, SQL, or personal projects you can show ...

Graduate Software Developer | 50,000–60,000 | Hybrid (London / Remote)

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum, OTE
Design and build high-performance software used by thousands of users daily Develop clean, efficient, and scalable code in Python, C++ or JavaScript Collaborate with engineers, data scientists, and product teams on exciting new features Contribute to technical discussions and see your ideas implemented fast Get exposure to cloud computing … from one of the top-ranked universities in the UK or equivalent Strong coding ability in at least one of: Python, C++, Java, or JavaScript Curiosity and problem-solving mindset — you love figuring things out Comfortable learning new technologies quickly Bonus: experience with Git, SQL, or personal projects ...

Java Full Stack Developer

Hiring Organisation
Syntax Consultancy Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
scale micro-services, messaging, web services + distributed systems. In-depth Java 8/11 , Spring Boot, Spring Framework and Micro-services development experience. JavaScript, NodeJS, ReactJS preferred and REST API, PostgreSQL/NoSQL databases, JSON and XML. AWS Cloud environments including: ECS, EKS, API Gateway + Serverless. DevOps … integration projects involving messaging, web services and distributed systems, ELK stack, OpenStack platform Agile development methods (Scrum, BDD, TDD, Kanban). Advantageous skills: Docker, JavaScript: ReactJS and NodeJS preferred, AWS API Gateway and Serverless technologies, Message broker like Apache KafkaBPM framework, Mustache template Benefits include - Annual Bonus (to 10%) + ...

Java Full Stack Developer

Hiring Organisation
Syntax Consultancy Ltd
Location
Croydon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum + Benefits + Bonus
scale micro-services, messaging, web services + distributed systems. In-depth Java 8/11 , Spring Boot, Spring Framework and Micro-services development experience. JavaScript, NodeJS, ReactJS preferred and REST API, PostgreSQL/NoSQL databases, JSON and XML. AWS Cloud environments including: ECS, EKS, API Gateway + Serverless. DevOps … integration projects involving messaging, web services and distributed systems, ELK stack, OpenStack platform Agile development methods (Scrum, BDD, TDD, Kanban). Advantageous skills: Docker, JavaScript: ReactJS and NodeJS preferred, AWS API Gateway and Serverless technologies, Message broker like Apache KafkaBPM framework, Mustache template Benefits include – Annual Bonus (to 10%) + ...

Python Developers Wanted DV/SC Cleared

Hiring Organisation
Areti Group | B CorpTM
Location
London, UK
Employment Type
Full-time
Software Engineers/Python Developers Wanted DV/SC Cleared | Python + TypeScript + JavaScript | AI-Focused | London HQ | Office-Hybrid Areti Group is exclusively hiring for one of the fastest-growing AI-driven tech scale-ups in London. They've grown 290% this year alone, just secured a major … tech. What You'll Be Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow ...

.NET Developer - London

Hiring Organisation
Noir
Location
London, UK
Employment Type
Full-time
.NET Developer, .NET 10.0, C# 14, Agile - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce the arrival … should have commercial experience with: .NET, .NET Core, C#, Azure SQL and Agile. Full training will be provided into: .NET 10.0, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Node.js, Elasticsearch and MongoDB. If you are dedicated to the youthful optimism of problem solving ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
.NET Developer, .NET 10.0, C# 14, Agile - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce the arrival … should have commercial experience with: .NET, .NET Core, C#, Azure SQL and Agile. Full training will be provided into: .NET 10.0, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Node.js, Elasticsearch and MongoDB. If you are dedicated to the youthful optimism of problem solving ...

Graduate .NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £60,000 per annum
Graduate .NET Developer - Investment Bank - London (Tech stack: Graduate .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, Graduate .NET Developer) Our client is the world's most respected banking institution. Their story dates … C# or C#.NET winforms) and Azure SQL. Our client offers training in: Our client offers training in: .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Node.js, Elasticsearch and MongoDB. This is a truly amazing opportunity to work for a prestigious ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
.NET Developer, .NET 10.0, C# 14, Azure SQL - Investment Bank - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's most respected banking institution. … skill set that encompasses: .NET, .NET Core, C# and Azure SQL. Our client offers training in: .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Node.js, Elasticsearch and MongoDB. This is a truly amazing opportunity to work for a prestigious banking ...

Full Stack Engineer JavaScript Vue.js Node

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Full Stack Engineer/Developer (JavaScript Vue.js Node) London to £80k Are you a collaborative JavaScript technologist? You could be progressing your career as a Full Stack Engineer at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation … develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course ...

Application Software Engineer - JavaScript

Hiring Organisation
REDTECH RECRUIT
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related frameworks. Location: London or Cambridge (3 days on site, 2 days remote) Salary: Negotiable + comprehensive benefits Requirements for Application Software Engineer: History … class honours degree from a leading university plus AAB at A Level (or equivalent UCAS points) Solid commercial experience using JavaScript and ideally, node.js and related technologies/frameworks - top new graduates considered for the Cambridge office You class yourself as a tech innovator and the idea of shaping products ...

Dynamics 365 CE Developers

Hiring Organisation
Morson Edge
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
number of developers to work with a Central Government client on a CRM Dynamics implementation. Must have the following experience Dynamics 365 CE JavaScript Power Automate Canvas App Automated Pipelines Integration experience InterQuest Group is acting as an employment agency for this vacancy. InterQuest Group is an equal opportunities employer ...

SAP HCM & PY SME Consultant (UK Payroll)

Hiring Organisation
IT Human Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
less experienced team members Exposure to SAP technical modules like Basis, Security, SAP PI etc. Exposure to SAP Workflows Exposure to programming languages like JavaScript, Groovy Script Should you wish to discuss this in more detail, please reply with your latest CV attached ...

Salesforce Marketing Cloud Consultant - 6m Contract - Remote

Hiring Organisation
Mason Frank International
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £600/day
Sales Cloud, Service Cloud, Data Cloud) and external systems (eCommerce, CRM, analytics). Experience with automation tools, APIs, and scripting languages (e.g., AMPscript, SQL, JavaScript). If you would like to hear more about this role, feel free to get in touch by applying to this advert or reaching ...

Salesforce Marketing Cloud Consultant - 6m Contract - Remote

Hiring Organisation
Mason Frank
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £600 per day, Negotiable, OTE
Sales Cloud, Service Cloud, Data Cloud) and external systems (eCommerce, CRM, analytics). Experience with automation tools, APIs, and scripting languages (e.g., AMPscript, SQL, JavaScript). If you would like to hear more about this role, feel free to get in touch by applying to this advert or reaching ...

Test Automation Engineer Playright / TypeScript

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
Experience with Playwright, Cypress or Selenium based testing frameworks and be able to build and structure suites of maintainable automated tests. Strong Typescript or JavaScript & an understanding of object orientated programming. Please send your CV for more information. Reasonable Adjustments: Respect and equality are core values to us. ...

Airtable Consultant

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
tables, automations, and interfaces . Skilled in data analysis, orchestration, quality, and governance . Experience delivering large-scale data integrations within Airtable. Proficiency in JavaScript and SQL/PL-SQL . Familiarity with data automation, reporting, and system integrations . Understanding of Airtable architecture best practices for scalability and usability. ...

Airtable Consultant

Hiring Organisation
Henderson Scott
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
tables, automations, and interfaces . Skilled in data analysis, orchestration, quality, and governance . Experience delivering large-scale data integrations within Airtable. Proficiency in JavaScript and SQL/PL-SQL . Familiarity with data automation, reporting, and system integrations . Understanding of Airtable architecture best practices for scalability and usability. ...

ServiceNow Developer (12 month FTC)

Hiring Organisation
Bell Integration
Location
London Area, United Kingdom
meet business needs. Technical: Experience managing ServiceNow upgrades, patching, and integrations. Proven ability to troubleshoot complex system issues and optimize performance Scripting Expertise (JavaScript, Glide API, Script Includes, Business Rules) Workflow & Automation Development (Flow Designer, UI Policies, Scheduled Jobs, Inbound Actions) CMDB & Asset Management (Discovery, Service Mapping, Data Integrity) Integration ...

Consent Management Platform Analyst, contract

Hiring Organisation
Staffworx Limited
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
manage deliverables with minimal supervision. Excellent documentation, analytical, and communication skills. Beneficial Experience supporting web and mobile app consent flows. Basic understanding of JavaScript or mobile app development (iOS/Android). Exposure to privacy, compliance, or data governance environments. Privacy certification (CIPP, CIPT, or equivalent). Contract, outside IR35 ...

Solutions Engineer

Hiring Organisation
Avant Intelligence
Location
London, UK
Employment Type
Full-time
markets What We're Looking For: 3+ years of experience in robotics, industrial automation, or AI solution engineering Hands-on prototyping skills (e.g., Python, JavaScript, or similar technical stack) Experience integrating hardware + software and working with real-world operational workflows Strong analytical mindset, able to design experiments, evaluate results ...

Lead Data Scientist, 2 Hour Learning (Remote) - $60,000/year USD

Hiring Organisation
Crossover
Location
London, England, United Kingdom
learning science, educational theory, or proven success enhancing outcomes via data-driven approaches Familiarity with Generative AI, prompting methods, and foundational coding skills (Python, JavaScript, etc.) for interfacing with AI APIs About 2 Hour Learning Education is broken, but 2 Hour Learning is proving it doesn’t have to be. ...

Application Security Engineer

Hiring Organisation
Cloudflare
Location
London, UK
Employment Type
Full-time
Internet and Security technologies such as DDoS, Web Application Firewall, Certificates, DNS, CDN, Analytics and Logs Demonstrated experience with a scripting language (e.g. Python, JavaScript, Bash) and a desire to expand those skills Demonstrated experience with security aspects of an internet property, such as DNS, WAFs, Bot Management, Rate Limiting ...