14 of 14 JavaScript Jobs in South London

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
South London, UK
Employment Type
Full-time
impact. What You'll Bring Proven experience leading distributed engineering teams, including offshore and nearshore models Strong hands-on background with .NET, Python, and JavaScript/TypeScript Deep experience with cloud infrastructure (Microsoft Azure, AWS, Cloudflare) Strong understanding of Agile and Scrum in distributed environments Experience with AI-assisted development ...

UI Developer - 13042

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
across various browsers and devices. What You Bring: Required Skills & Experience: Experience developing modern web applications with React and TypeScript . Expert knowledge in JavaScript/TypeScript Strong understanding of component-based architecture and state management. Hands-on experience in Python service-side development and APIs (e.g., FastAPI ). Familiarity ...

Quality Assurance Engineer

Hiring Organisation
Stott and May
Location
South London, UK
Employment Type
Full-time
Looking For Experience working with Foreign Exchange (FX) systems Strong grasp of QA methodologies, tools and best practices Hands-on experience using Cypress Solid JavaScript programming skills Strong SQL knowledge Experience with both white-box and black-box testing Excellent written and verbal communication Detail-oriented, quality-driven mindset High ...

Forward Deployed Engineer

Hiring Organisation
Immersum
Location
South London, UK
Employment Type
Full-time
days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We're looking for talented engineers to join our customer-facing AI practice, from Senior ...

Front-End Developer

Hiring Organisation
Sanderson
Location
South Croydon, Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 per day
government services. You'll work on high-impact projects, leveraging modern frontend technologies to deliver responsive and accessible solutions. Required Skills* React* TypeScript/JavaScript (when used in the browser) Nice to Have Skills* Playwright (front-end testing) Reasonable Adjustments: Respect and equality are core values to us. ...

Front End JavaScript Developer

Hiring Organisation
Enigma Software Solutions
Location
South London, UK
Employment Type
Full-time
Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join … highest standards of code quality in alignment with company-wide conventions. Required skills: · Minimum of 4 years of hands-on experience with Javascript working mainly on Frontend solutions · Solid grasp of JavaScript(Vanilla Javascript) fundamentals, including understanding of the Document Object Model (DOM) and browser Application Programming Interfaces (APIs). ...

Lead Fullstack Engineer

Hiring Organisation
Annapurna
Location
South London, UK
Employment Type
Full-time
observability Tech Stack & Environment Frontend: Svelte (primary), with openness to React or Angular experience Strong focus on web components and reusable design systems Modern JavaScript/TypeScript Backend: Node.js or Python (microservices-based) API-driven architecture Infrastructure & Cloud: Kubernetes AWS Containerized, cloud-native deployments Data: SQL databases What … Looking For Strong experience as a senior or lead fullstack engineer in modern web environments Deep knowledge of JavaScript and frontend architecture Experience with Svelte, React, or Angular (Svelte experience is a plus, not a requirement) Backend experience with Node.js and/or Python Solid understanding of microservices architecture Hands ...

Front End Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £570 per day
applications. This role is hands-on and delivery-driven, with a strong emphasis on clean, scalable front-end development using React and TypeScript/JavaScript . You'll collaborate closely with backend developers, designers, and product stakeholders to build responsive, high-quality user interfaces and improve overall user experience. … Responsibilities Design, build, and maintain front-end applications using React Develop clean, maintainable code using TypeScript and JavaScript (browser-based) Work closely with UX/UI designers to translate designs into high-quality user interfaces Integrate front-end components with APIs and backend services Ensure performance, accessibility, and cross-browser ...

Senior and Lead Software Engineers

Hiring Organisation
Thor Companies
Location
South London, UK
Employment Type
Full-time
Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior/Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy … building high-quality software end-to-end and influencing technical direction (without people management). Tech Stack Frontend: React (JavaScript) Backend: Node.js (JavaScript) Cloud: AWS (Lambda, DynamoDB, CloudWatch) Architecture: Microservices + REST APIs Bonus: AG Grid/data-heavy UI experience What you'll be doing Owning features ...

Back End Developer Placement Programme

Hiring Organisation
ITOL Recruit
Location
Croydon, Greater London, United Kingdom
Employment Type
Permanent
many entry level programming roles and help you get a step ahead. Learn the Command Line (*1.5 weeks) Learn Git & GitHub (*1.5 weeks) Learn JavaScript (*1.5 weeks) Learn Python 3 (*1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet. Therefore, this is an essential addition ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Bromley, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give … friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Coding Trainee Placement Programme

Hiring Organisation
ITOL Recruit
Location
Merton, Devon, Merton Park, Greater London, United Kingdom
Employment Type
Permanent
many entry level programming roles and help you get a step ahead. Learn the Command Line (*1.5 weeks) Learn Git & GitHub (*1.5 weeks) Learn JavaScript (*1.5 weeks) Learn Python 3 (*1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet. Therefore, this is an essential addition ...

Front End Developer

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £520/day
using modern web technologies. Responsibilities Build and maintain scalable front-end applications using React Develop clean, reusable, and well-structured code using TypeScript and JavaScript Translate designs and product requirements into high-quality UI components Optimize applications for performance, accessibility, and cross-browser compatibility Collaborate with cross-functional teams … maintain front-end tests to ensure application quality (where applicable) Required Skills & Experience Strong experience with React (React.js/ReactJS) Proficiency in TypeScript and JavaScript for browser-based applications Solid understanding of modern front-end development practices (ES6+, component-based architecture) Experience working with REST APIs and asynchronous data handling ...

Software Developer (Web & Internal Tools)

Hiring Organisation
Datatech Analytics
Location
South London, UK
Employment Type
Full-time
manual workflows Own work end to end, discovery, build, release, iteration Collaborate with marketing and operational stakeholders to deliver practical solutions Tech skills Languages: JavaScript, TypeScript, HTML, CSS Front-end: component-based UI, static site generators (Astro, Gatsby, Next.js or similar), responsive design, accessibility, performance Back-end/systems: APIs … discipline, pragmatic use of AI-assisted dev tools What we're looking for Commercial software development experience (web and/or internal systems) Strong JavaScript/TypeScript fundamentals Comfortable switching between customer facing and internal tooling work Practical, adaptable mindset, clear communication, collaborative style Interview process Conversational and scenario led. ...