javascript jobs in London

DescriptionAbout Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery.We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining...

Location: London - hybridWe Are:RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel.Founded in 2012 and now operating in 90+ markets, RTB House has always been...

DescriptionAbout LoopMeLoopMe is an AI company solving one of advertising's hardest problems: making brand advertising actually measurable — and making it perform. Our platform runs patented machine learning models across billions of consumer signals in real time, optimising campaigns toward outcomes like purchase intent, brand lift, and foot traffic...

The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions. Through our people and technology, we connect clients to superior liquidity and data...

AI Workplace Senior Engineer Role Overview A leading Microsoft Partner is looking for an experienced AI Workplace Senior Engineer to deliver secure, modern Microsoft 365 collaboration and AI solutions. The role focuses on SharePoint Online, Microsoft 365 Copilot, Purview, Power Platform, governance, and client adoption. Key Responsibilities Design and deploy...

Who are we?Tripledot Studios is one of the largest independent mobile games companies in the world.We are a multi-award-winning organisation, with a global 2,500+ strong team across 12 studios.Our expanded portfolio includes some of the biggest titles in mobile gaming, collectively reaching top chart positions around the world and engaging over 25 million...

About The OpportunityOur Solution/Sales Engineers (f/m/d) are close partners of our sales team and own key components of the sales process, including infrastructural/architectural discovery, collaborative solution design, and technical validation. Solution Engineers may travel up to 50% of the time and will have the opportunity to work with teams worldwide,...

About this role:We are seeking an AI Engineer to help design, build, and deliver next-generation AI-enabled applications and agentic systems. This role combines hands-on engineering across frontend applications, Python backend services, MCP infrastructure, agent workflows, and secure enterprise integrations. As an AI Engineer, you will build user-facing...

The team you'll be working with:As a QE AI Engineer & QE Architect, you will have the opportunity of joining an award winning Quality Engineering team that is working on some of the most cutting edge technologies that is embracing new innovations, such as in built quality checks that embraces AI/GenAI & agentic AI across the full SDLC. What is key to this...

Description Sr Biostatistician (R a must- EMEA BASED)Syneos Health is a leading fully-integrated life sciences services organization built to accelerate customer success. We partner with innovators at every point across the drug development and commercialization continuum, helping them navigate complexity, anticipate change and accelerate progress.Our...

Step into the role of a Principal Information Architect (Executive Director) at JPMorganChase and become a promoting force behind the development and adoption of cutting-edge, cloud-based technologies. Make metadata real, usable, and impactful in modern engineering. In this role, you’ll sit at the intersection of Information Architecture and Software...

Job-ID: c78a6fd ef-9bfd-7413cb66dca2Location: LondonSalary: 91196 - GBPType: Full timePosted: Contact: , briefly At Klarna, we're building an everyday finance network, helping over 120 million consumers across 26 countries save time and money, and worry less about their finances. Working here means taking on problems most companies never get to solve,...

Want to join a team of passionate people who want to build a future where no one dies from skin cancer? About usSkin Analytics is an award-winning, health tech company that deploys world-leading skin cancer pathways using AI as a medical device, DERM.Following our recent 15M series B funding, regulatory milestones hit, and doubling from 50 to 100 headcount...

The Role:We are looking for a talented Customer Success Manager (CSM) to drive adoption, value realisation, and growth within a portfolio of mid-market and enterprise accounts across the EMEA region. By building strong relationships with each customer, you'll deliver impact at all stages of the customer journey and ensure mutual success. If you’re a...

The team you'll be working with:As a QE AI Engineer, you will join a Quality Engineering team focused on modern software delivery, automation, and AI-enabled engineering across the SDLC.This is a hands-on engineering role for someone with strong software development and Quality Engineering experience who can contribute to the design, build, and...

At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you’re passionate about developing your career, while helping others along the way, come join the Broadridge team.We are excited to announce an opportunity for a Senior Developer to join our organization as part of our AI Enablement Team. In this role,...

ADD REQ IDAs a Forward Deployed Engineer (FDE) you will work with customers to build and productionize solutions to their data & AI challenges using the Databricks platform. You will own the architecture, lead design decisions, and implement end-to-end systems spanning data engineering, AI, and application development. We work cross-functionally to shape...

Algolia is the retrieval intelligence layer that turns intent into trusted, decision-grade outcomes. Powering more than 1.7 trillion queries a year for over 18,000 customers with millisecond latency and 99.999% reliability, we are the recognized leader for Search and Product Discovery by top industry analyst firms. The Algolia platform turns a company's...

Basic informationLocationBelfast, London, ManchesterBusiness LineTechnology & TransformationJob TypePermanent / FTCDate published18-Sep-2026Req #22826Job descriptionConnect to your IndustryPart Business. Part Creative. Part Technology. One hundred per cent Digital. At Deloitte Digital, we connect technology with creativity to deliver better outcomes for both...

Basic informationLocationBristol, Cambridge, London, ManchesterBusiness LineTechnology & TransformationJob TypePermanent / FTCDate published18-Sep-2026Req #24464Job descriptionConnect to your IndustryDo you want to be at the heart of some of the biggest and most ambitious programmes undertaken to keep our country safe?We are proud of the impact we have with...