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.

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.

This role works with Java, React.js, Generative AI, Docker/Kubernetes, Terraform/CloudFormation, MQ, and monitoring tools like Datadog/AppDynamics/Dynatrace. The listing does not describe a specific team, product, or project.

State Street★3.4 (3k)· London

You will work with ReactJS, NextJS, TypeScript, NodeJS, Java, Spring Boot, Docker, and AWS to build cloud-native microservices. The role involves modernizing legacy platforms and developing enterprise-scale applications for a financial services firm. You will also mentor junior developers.

You'll ship code across Jay (Python, FastAPI, pydantic-ai) and a Laravel 11 core, with a frontend of Next.js, Nuxt and Vue, on AWS, using Claude Code and an in-house AI engineer. The team is building an AI agent that handles home setup and evolves into a Home OS for post-move tasks. You'll be one of a small, senior, AI-native engineering team.

You will work with Java, Python, TypeScript, React, Scala, MySQL, PostgreSQL, Snowflake, AWS, GitHub, GitHub Copilot, and Datadog to architect and scale high-volume, consumer-facing backend systems and distributed services. You will define technical strategy, set engineering standards, and mentor senior engineers for a rapidly growing technology business building intelligent digital platforms. This role provides technical leadership for the long-term architecture of the company’s distributed backend services.

You will work with AWS, Kubernetes (EKS), Terraform, Docker, Helm, CircleCI, Datadog, Cloudflare, Go, GraphQL, gRPC, MySQL, PostgreSQL, Redis, and GCP. The role owns infrastructure, developer experience, and platform reliability for a fast-growing workspace technology company. This is a hands-on engineering position spanning Platform Engineering, DevOps, Cloud Security, and backend development.

Ravio is a compensation data and SaaS platform serving over 1,200 clients across Europe. You'll build customer-facing features using TypeScript, React, Node.js, and PostgreSQL, with GraphQL, GCP, and testing frameworks like Jest and Playwright in the stack. As a senior engineer on the Web App team, you'll lead end-to-end development across frontend and backend, working with technical cofounders on both 0-1 and scaling phases of the product.

Cosine is a UK frontier AI lab building autonomous software engineering models and agents. As a Full Stack Product Engineer, you'll work with React, TypeScript, Node.js, Python, Docker, Kubernetes, and GCP to build web applications and CLIs that expose the platform's AI capabilities to developers, collaborating across research, engineering, and product teams to translate emerging model features into intuitive workflows.

TP ICAP★3.1 (34)· London

You will work with C#, TypeScript, React, SQL, RESTful APIs, AWS, Docker/Kubernetes, GitLab CI/CD, and microservices to design and maintain full-stack applications. The team builds scalable applications powering critical business functions within TP ICAP, a global interdealer broker providing market infrastructure and data solutions.

You'll work with Python (FastAPI), Go, TypeScript, PostgreSQL, Redis, Pinecone/pgvector, AWS (ECS, Lambda, SQS), Docker, Kubernetes, Terraform, LangChain/LlamaIndex, vLLM, and Anthropic/OpenAI APIs. You'll build and optimize RAG pipelines, real-time inference APIs, and vector search infrastructure powering LLM features for 500k+ monthly active users.

The researcher will own end-to-end qualitative research across Synthesia’s AI video platform, focusing on a new real-time, agentic product and the assistant experience. They will work directly with product, design, engineering, and product data teams, building

Multiverse★4.0 (5)· London

This role involves Python, TypeScript, React, Next.js, RabbitMQ, and LLMs. The Diagnose & Prescribe (D&P) team owns the learner and employer journey, assessing skill gaps and directing them to suitable apprenticeships or learning paths.

Deliveroo★3.3 (1.5k)· London

Lead a full-stack team (~7–8 engineers) building the real-time, back-office workspace used by 30,000+ support agents across Deliveroo, DoorDash and Wolt. The stack includes Go, Python or Node.js (backend), React (frontend), with cloud tooling (Kubernetes, AWS, Datadog) and an in-house chat platform handling tens of millions of conversations monthly.

Liberis★4.2 (5)· London

You'll work with .NET, Node.js, Python, GCP, Azure, Kubernetes, Cloud Run, Docker, Terraform, Claude, and Datadog. The Cloud Platform team builds and operates the shared infrastructure and developer tooling that every engineering team at Liberis depends on, with an emphasis on AI enablement and agent adoption.

Liberis★4.2 (5)· London

Work with .NET (C#), Node.js, Python, GitHub Actions/Azure DevOps, Datadog, incident.io, GCP/Azure, Docker, Kubernetes, and Terraform. You will join the Cloud Platform team improving how engineers build, ship, and operate services at Liberis, a fintech building an embedded finance platform for small business funding. As a Lead DevEx Engineer, you will own service templates, drive CI/CD and observability standards, and mentor engineers.

Senior UI Platform Engineer role at Jain Global using React, TypeScript, Vite, Next.js, Ant Design, AG Grid, Datadog, OpenTelemetry, Grafana, Microsoft Entra ID/Azure AD, and npm packages. The Core Platform team builds reusable frontend foundations—shared UI packages, application scaffolding, authentication/authorization integration, developer tooling, and internal platform applications (onboarding, access, service discovery).

You'll work primarily with React and TypeScript on the frontend, and Python (FastAPI/Flask) on the backend, using tools like Storybook. The Monolith AI Engineering Team builds the core platform for engineering simulation and AI workflows, aiming to become a super-intelligent AI test lab for the engineering industry.

Build and ship Python services using FastAPI, SQLAlchemy, OpenTelemetry, Procrastinate, PostgreSQL, Liquibase, Docker, and AWS to automate finance and operations workflows — including reconciliations, reporting, and payments — for a UK consumer lending fintech. This is a hands-on engineering role on a small, high-impact team.

Work with Python (FastAPI, SQLAlchemy, OpenTelemetry, Uvicorn), Postgres, MySQL, Docker, CI/CD, Git, RESTful APIs, and cloud infrastructure on AWS, GCP, or Azure; existing frontend stack includes Angular and TypeScript. Design and develop backend services that automate core financial operations—payments, reconciliations, and reporting—for a consumer lending platform using AI and Open Banking data.

Omnea is building an AI-native procurement platform using TypeScript, React, Postgres, and AWS serverless infrastructure (Lambda, DynamoDB, EventBridge) with Pulumi, Datadog, and GitHub Actions. The team solves enterprise procurement pain points—automating approvals, renewals, and spend visibility—and deploys multiple times daily. You'll own features end-to-end, leverage Claude and agentic workflows, and work alongside experienced engineers at Europe's fourth fastest-growing startup.

Elliptic★0.0· London

You'll design and build agentic workflows using LangChain or LangGraph, develop backend services in TypeScript and Node.js, and create evaluation frameworks for LLM outputs. Elliptic builds AI-powered compliance tools that help investigators trace blockchain fund flows and detect financial crime. You'll lead the AI team's technical direction, mentor junior engineers, and own significant features from design through production.

Work with Python, AWS (S3, ECR, ECS/EKS), Terraform, GitHub Actions, React, TypeScript, and LLM APIs (Gemini, Claude, OpenAI). Build a neurosymbolic AI platform combining symbolic reasoning (decision trees, knowledge graphs) with LLMs for audit, compliance, and financial services, transitioning from bespoke engagements to a scalable public API. As a Staff Engineer, drive architecture and engineering quality across cross-functional squads.

You'll work with TypeScript, Node, React, PostgreSQL, GraphQL, Temporal, MCP, and GCP to build Ravio's agentic compensation platform—moving from a traditional SaaS to a system of parent and specialist agents, durable workflows, and an eval harness. As a hands-on individual contributor, you will own architecture across the customer-facing web app, agentic platform, and shared infrastructure.

Lovable★4.0 (43)· London

Lovable is an AI-powered software creation platform used by millions to build applications in any language. As a founding Forward Deployed Engineer, you'll work directly with ambitious customers using React, TypeScript, Golang, and Rust alongside LLM providers (Cloudflare, GCP, AWS) to design novel AI systems, translate real-world customer needs into product features, and shape this new function across engineering, product, and research. You'll own end-to-end projects influencing core platform direction with 5+ years full-stack experience and strong architectural thinking.