Work with Python, FastAPI, Docker, DuckDB, JSON Schema and Git to design, build and ship client ETL pipelines that map raw bank data onto the FIRE regulatory reporting standard. You will maintain a shared ETL framework, write validated mapping code, and mentor junior engineers at Suade, a regtech SaaS company automating compliance for financial institutions.

Build enterprise-grade web applications using Python (Django/FastAPI), React, TypeScript, and PostgreSQL. Develop RESTful APIs, responsive UI components, and contribute to system design, CI/CD pipelines, and performance optimization.

You’ll work with Python (Django/FastAPI), React, TypeScript, PostgreSQL, REST APIs, and CI/CD. You’ll own end-to-end feature delivery on scalable, enterprise-grade web applications.

You'll work with FastAPI, TypeScript, React, OpenAI/Anthropic, PostgreSQL, and Azure to build AI agent systems—from voice interfaces to workflow orchestration—for aircraft maintenance and manufacturing. Fleetcraft builds infrastructure that helps technicians maintain and manufacture aircraft.

You will build and maintain Python services using FastAPI and Azure Functions, design and consume REST APIs, work with MS SQL Server, and leverage Azure infrastructure. The team delivers a loan management platform for a global financial services firm, handling complex servicing workflows in a regulated environment.

Edited★2.7 (3)· London

You will work with Python, *nix, LLMs, MCP, Django, Flask, FastAPI, Elasticsearch, and SQL databases. You will build an AI chatbot with agents and tooling, and scale a large-scale retail data infrastructure on AWS and bare metal for the company's AI-driven retail intelligence platform.

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.

Lead a team of 8 senior engineers using React, TypeScript, Python, FastAPI, Dagster, dbt, Snowflake, and AWS. The company fuses fragmented UK transport data into an operational intelligence layer for councils and highways authorities. This role includes architectural ownership and a path to CTO as the team scales toward 20-30 engineers.

Full Stack Developer role using Python, FastAPI, React, Docker, AWS, PostgreSQL, NodeJS, JavaScript, TypeScript, CI/CD, and unit testing. The developer will work on the company’s products. No team size or project scope is specified.

JavaScript and Vue.js for component-based UIs, Python with FastAPI for Lambda endpoints, PostgreSQL for schema design, and AWS (Lambda, API Gateway, S3). The role involves feature development and redesign of core tools using Vue.js, AWS Lambda, and Aurora PostgreSQL, plus building the backend API layer.

Python, FastAPI, PostgreSQL, GCP, Docker, Terraform. The team builds Scenario Builder, a platform for energy-system modelling, grid planning and decarbonisation analysis. You will lead a hands-on squad of 3–5 engineers, staying close to the code while setting technical direction.

You will work with Python, Django, Django REST Framework, FastAPI, PostgreSQL, AWS, React.js, Docker, Redis, Celery, Pandas, NumPy, Git, Jenkins, Elasticsearch, and Kubernetes, using AI tools like Claude Code and Cursor. You’ll shape the technical direction of a cloud-based property management platform handling payments, quoting, invoicing, booking, search, data pipelines, notifications, and fraud prevention. This is a leadership role bridging product vision and technical execution, guiding engineers toward delivery.

Build React + TypeScript features end-to-end for an AI-native data orchestration platform. The stack includes Python/FastAPI, TypeScript/Express, serverless AWS, Docker, PostgreSQL, and DynamoDB. You’ll run rapid UI experiments and ship multiple times a day in a small, elite team.

Senior Software Engineer building and operating systems that move and safeguard cryptoassets—treasury automation, wallet inventory, custody integrations, and operational controls. Work with Python (FastAPI), Kubernetes, CI/CD, GitOps, relational data modeling, and job orchestration tools (Airflow, Prefect).

Build a new category of SaaS using React on the frontend and Python with Django, Flask or FastAPI on the backend, with cloud technologies desirable. The company uses AI and machine learning to help businesses predict revenue, drive customer loyalty, and capture value from existing customers.

You will work with Python, GCP (or AWS/Azure), FastAPI, and CI/CD practices, leading a small tech team to deliver new features and enhancements for a core banking platform that integrates with major partners like HSBC.

You will use Python (Django/FastAPI), Docker, Kubernetes, and CI/CD to build, deploy, and scale production AI features including RAG systems and multi-agent infrastructure, along with backend services, data pipelines, and Redis-backed queues. This is a foundational role at an AI platform that builds mission-critical, enterprise-grade AI for regulated environments. You will report directly to the founders.

Fletchers Solicitors★4.1 (83)via Jack & Jill· London

You will work with Python, FastAPI, Azure, and Fly.io to design scalable backend applications and data pipelines for Fletch AI, a suite of NLP and LLM-based tools that automate legal claims in personal injury and clinical negligence. As a player-coach, you will lead a team of 8+ engineers, overseeing technical direction, site reliability, and production deployment of ML models.

You'll work with Python (FastAPI), Postgres, Redis, Docker/Kubernetes, and AWS. As a founding London engineer, you'll own production services and build scalable backend systems for a commodity e-commerce and electronic trading platform provider.

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 production services in **Python/FastAPI** and ship using agentic AI tools like **Claude Code** and **Cursor**. The role is for a PropTech startup that acquires and backs local property management businesses, providing shared tech infrastructure. You’ll work on the core CRM and finance systems that unify the group, with end-to-end ownership in a small, high-autonomy engineering team.

You will work with Agentic Claude Code, Python, AWS, and FastAPI to build backend services and APIs for a healthcare AI platform. The role involves directing AI agents to design, build, and ship software, owning architecture, and setting standards for the team.

You will use Python, Django, PostgreSQL, AWS, Docker, Git, and CI/CD to build and maintain scalable backend applications. Working on a small team, you will develop the next generation of software used by investment management firms to automate reporting and document generation.

Cognizant★3.8 (17k)· London

You will work with Python (FastAPI/Flask), serverless architecture, NextJS/React, third-party APIs, OAuth/JWT, and WebSockets. You will design, build, and enhance the Digital Onboarding Service used across the API Platform.

You will own an existing production React/TypeScript application across web, iOS, and Android, integrating with Python/FastAPI backends and managing CI/CD pipelines. The team builds a computer-vision platform that turns video data into actionable insights. You will drive frontend architecture on a small, collaborative engineering team.