javascript jobs in London

About usHumaans is building the next generation of infrastructure for the workplace; software designed for companies that are scaling fast, operating globally, and pushing into new boundaries.What started as a system of record has evolved into a broader platform for operating people globally. With Athena, our agentic AI layer, Humaans moves beyond data...

About LendableLendable is on a mission to build the world's best technology to help people get credit and save money. We're building one of the world’s leading fintech companies and are off to a strong start:One of the UK’s most exciting unicorns with a team of over 800 peopleAmong the fastest-growing tech companies in the UKProfitable since 2017Backed...

We are looking for an Enterprise Customer Success Engineer to lead complex customer integrations across EMEA. You will serve as a trusted technical partner throughout the integration lifecycle—from implementation planning and deployment through validation, standard tuning, optimization, and ongoing support.This role is ideal for someone who enjoys solving...

About LendableLendable is on a mission to build the world's best technology to help people get credit and save money. We're building one of the world’s leading fintech companies and are off to a strong start:One of the UK’s most exciting unicorns with a team of over 800 peopleAmong the fastest-growing tech companies in the UKProfitable since 2017Backed...

About usHumaans is building the next generation of infrastructure for the workplace; software designed for companies that are scaling fast, operating globally, and pushing into new boundaries.What started as a system of record has evolved into a broader platform for operating people globally. With Athena, our agentic AI layer, Humaans moves beyond data...

About usHumaans is building the next generation of infrastructure for the workplace; software designed for companies that are scaling fast, operating globally, and pushing into new boundaries.What started as a system of record has evolved into a broader platform for operating people globally. With Athena, our agentic AI layer, Humaans moves beyond data...

About usHumaans is building the next generation of infrastructure for the workplace; software designed for companies that are scaling fast, operating globally, and pushing into new boundaries.What started as a system of record has evolved into a broader platform for operating people globally. With Athena, our agentic AI layer, Humaans moves beyond data...

About LILTAI is changing how the world communicates — and LILT is leading that transformation.We're on a mission to make the world's information accessible to everyone, regardless of the language they speak. We use cutting-edge AI, machine translation, and human-in-the-loop expertise to translate content faster, more accurately, and more cost-effectively...

Senior Software EngineerA fantastic opportunity for a Senior Software Engineer to join a world-class technology company developing advanced AI-driven software solutions. Working within an exceptional engineering environment, you will play a key role in designing, building and enhancing highly sophisticated software platforms that solve complex real-world...

Senior Front-End Software EngineerA unique opportunity for a Senior Front-End Software Engineer to join a well-funded early-stage technology company. Initially working remotely, with plans for a hybrid, in the London office, you will establish effective front-end development patterns, create high-quality front-end features, and transform complex data and...

Head of Integrations – SaaS / SoftwareA fantastic opportunity has arisen for a Head of Integrations to join a pioneering software company that is transforming how global enterprises leverage cutting-edge technologies. This innovative business, backed by top-tier investors and recognised among the world’s most promising AI companies, is expanding their...

About Us:  WSD is a leading financial services firm that leverages cutting-edge technology to deliver innovative solutions to the market. We work with a wide range of solutions supporting the structured products industry.  Position Overview: We are looking for a Quantitative Analyst to join our team to develop our quantitative risk library. The role...

OIC EngineerKey ResponsibilitiesAnalyze system integrations and design secure, compliant system and software architectures for enterprise data.Create architectural designs and diagrams using established standards and best practices.Interface with clients and business partners to understand integration and business requirements.Design and develop integration...

What we doWe are a global software and professional services company for the financial industry, with offices in the UK, USA, Germany, Brazil and Indonesia. We specialize in working with investment banks to automate the issuance process for structured products. For layman, a structured product is a financial investment (not unlike a savings account) where...

About Air AppsAt Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices...

About ActAI There are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal to no...

About the teamOpenAI’s Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems. We operate at the intersection of customer delivery and core platform development.About the roleForward Deployed Engineers (FDEs) lead complex end-to-end deployments of frontier models in production alongside our most...

About the Role  As a Technical Consultant within the Client Operations Team, you’ll play a key role in delivering intelligent document automation solutions. This role sits at the intersection of technology, finance, and operations, offering a unique opportunity to apply both coding and business analysis skills.  Key Responsibilities  Design and...

About Air AppsAt Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal, in 2018—and now with...

The employer is an early stage Crypto startup developing a toolchain for shared, just-in-time applications that gives independent developers freedom to build powerful shared apps. It is an interoperable, low cost, quick to build, easy to manage, copilot-friendly and platform independent platform. MISSIONS :Your role will be to ship code, iterate with...