Samsara★3.6 (32)· London

Samsara interns work on the Connected Operations Cloud, building backend infrastructure in Golang, web clients with TypeScript/React and GraphQL, mobile with React Native, or embedded software for IoT devices. Projects involve scaling data ingestion, real-time data processing, and creating actionable insights for industries like transportation and agriculture.

Lovable★4.0 (43)· London

Uses Go, Rust, TypeScript; AWS, Azure, Google Cloud, Cloudflare; Kubernetes, Terraform, Temporal, OTEL, CI/CD; PostgreSQL, ClickHouse, Firestore, Spanner, BigQuery. Builds the platform for Lovable Enterprise enabling secure, cloud-agnostic deployment, defining architecture for sandboxing, networking, encryption, identity, and mentoring engineers.

Senior WordPress Developer role: build bespoke WordPress sites and apps using PHP, MySQL, ACF, WooCommerce, Gutenberg, JavaScript (ES6+), SASS/SCSS, Git, Composer, npm, Vite, CI/CD. You’ll also drive AI-assisted development (RAG, MCP, Copilot) and mentor junior developers.

Spotify★4.1 (116)· London

You will work with React, TypeScript, Java, GraphQL, PostgreSQL, and Google Kubernetes Engine (GKE) to build end-to-end solutions. The team builds Groove, a platform that helps thousands of employees plan, coordinate, and deliver work across Spotify.

Design, configure, and develop HR web applications using React, Next.js, and the HRSD platform. Build reusable UI components, integrate with REST/GraphQL APIs, and participate in CI/CD processes alongside product managers, designers, and backend engineers.

Lovable★4.0 (43)· London

Build enterprise deployments using Go, Rust, and TypeScript on AWS, Azure, and Google Cloud, with Kubernetes, Terraform, and Temporal. You will build the platform that allows large customers to run Lovable securely and at scale across every major cloud provider.

You will work with React, TypeScript, Next.js, Jest, Cypress, CSS-in-JS libraries, Git, and GraphQL. You will join the Customer Apps team to build and scale customer-facing applications for payment device management, loyalty schemes, and more at Dojo, the UK's largest payments acquirer.

Tripadvisor★3.9 (142)· London

Android Engineer role working with Kotlin, Coroutines, Jetpack Compose, Cursor, and GraphQL in a modular, clean-architecture MVVM layout. You will build and release code for the Tripadvisor Experiences mobile app, collaborating with product and designers on the full software lifecycle. This is a full-stack role where you primarily develop Android systems, with occasional back-end projects.

Tripadvisor★3.9 (142)· London

You will work with Kotlin, Coroutines, Jetpack Compose, Cursor, GraphQL, and MVVM in a clean-architecture modular layout. You’ll join the Tripadvisor Experiences mobile team, focusing on Android app development with occasional backend microservices work.

Senior Software Engineer designs and maintains backend services and APIs using Java, Python, and Node.js, working with microservices and Spring Boot. The role involves building REST, GraphQL, and SOAP APIs, using relational and NoSQL databases (MySQL, PostgreSQL, Oracle, Redis), and performing cloud-native development in AWS environments. This position supports financial systems and integrations within the leading global business aviation company, Vista.

Senior Full Stack Engineer working with TypeScript, React/Next.js, GraphQL and modern cloud infrastructure on an AI-powered platform that automates data collection, reporting and collaboration for investment firms. You join a small engineering team and collaborate directly with founders.

Work with TypeScript, LangChain, React, GraphQL, Prisma, Temporal, and LlamaIndex to build AI agents that automate high-stakes banking workflows. You will own features end-to-end, architecting a core platform that orchestrates AI, customers, and humans to replace legacy banking bottlenecks.

Build scalable backend services using modern Java, TypeScript, React, and Next.js, and design GraphQL/gRPC APIs with PostgreSQL on the Monaco squad. You will create internal products enabling Spotify teams to launch, configure, and manage Premium offers, subscriptions, and pricing.

You'll work with Python (Django/FastAPI), React, TypeScript, PostgreSQL, Azure, Docker, and CI/CD to build customer-facing applications and APIs. The team is part of Oritain, a product origin verification company.

You will build frontend applications using React and TypeScript, develop reusable UI components, and work on real-time features with WebSockets and GraphQL. The company builds a suite of real-time products for enterprise customers in specialized financial markets. The small, experienced engineering team offers significant ownership from day one.

Spotify★4.1 (116)· London

As a Fullstack Engineer on the Monaco squad, you'll build end-to-end features with Java 17+, TypeScript, React, Next.js, and PostgreSQL, and develop GraphQL and gRPC APIs for Spotify's subscription business. You will create internal tools that enable teams to launch, configure, and manage Premium offers globally.

You will work with Angular, TypeScript, HTML5, Java, Spring Boot, REST/GraphQL, MongoDB/MSSQL, Kafka, and AI coding agents like Copilot and Devin. This role is on Citi’s Banking Technology team building a microservices-based web platform for senior bankers as part of the Opus Capital Management strategic transformation.

Citi★3.9 (21k)· London

Design and build enterprise web application platforms using Angular, TypeScript, Java, Spring Boot, REST/GraphQL, MongoDB/MSSQL, and Kafka. The Banking Technology team delivers the Opus Capital Management strategic transformation, building a microservices platform used by senior bankers globally. This VP role leads a small, high-autonomy squad within an agile delivery team.

Senior-level JavaScript engineer will build Node.js/GraphQL APIs and work with TypeScript, React, Azure (SQS), ML, Python, and SQL on a greenfield personalisation project for a leading ecommerce client to improve product delivery efficiency.

You will build frontend applications with React, TypeScript, JavaScript (ES6+), GraphQL/Apollo, Material UI, and WebSockets. This is for an early-stage company creating a real-time platform for enterprise financial markets, where you will own features alongside product and backend engineers. The team is small and experienced.

You will work with Solidity, React, Node.js, TypeScript, GraphQL, React Native or Flutter, and Ethereum or Binance Smart Chain. This consulting company builds web, mobile, and Web3 applications with blockchain integration.

Python, Django, TypeScript, React, GraphQL and Heroku. The company builds a platform for global workforce/vendor management, trusted by major brands. You will lead 12 Senior Engineers across 3 teams, remaining up to 40% hands-on with backend architecture.

This role requires expert-level Python, Java, Kotlin, and Typescript to build APIs (REST, GraphQL, gRPC) within microservices, distributed systems, and event-driven architectures on AWS (Lambda, ECS, DynamoDB, SQS, S

Full Stack JavaScript/TypeScript engineer working with Node.js, React, Azure (SQS), GraphQL, plus ML, Python and SQL. Building APIs for a greenfield ecommerce personalisation project to deliver improved products more efficiently.

You will work with React, TypeScript, Node.js, Next.js, GraphQL, Postgres, and AWS. The company is a well-funded AI-native startup building a platform that empowers private investors to manage their portfolios.