City of London, London, United Kingdom Hybrid/Remote Options
Undisclosed
engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience of Python backend development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is More ❯
engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience of Python backend development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is More ❯
how financial operations function in a fast growing lending business, and have the space to deliver meaningful technical change in partnership with experienced stakeholders. Our technology stack Python (including FastAPI, OpenTelemetry, procrastinate, SQLAlchemy, Uvicorn), Postgres, MySQL, Liquibase, Retool, Docker, AWS Who you are Seven or more years professional experience in software engineering Experience collaborating directly with business stakeholders to gather More ❯
reinforcement learning) to enhance user experience in a meaningful business domain. Contribute across the tech stack: You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge of AI tooling: You’ll help push More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Euphoric
reinforcement learning) to enhance user experience in a meaningful business domain. Contribute across the tech stack: You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge of AI tooling: You’ll help push More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Robert Half
the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or scale-up More ❯
time. The Role: You’ll work across the full development lifecycle on cutting-edge bespoke LLM technology , tackling complex challenges that are transforming the legal sector. Tech Stack: Python, FastAPI, MySQL/Redis, Microservices, TDD Cloud experience – ideally Azure or AWS Degree or PhD in Computer Science (Top-10 University preferred) Desirable (can be learned): ML-Ops exposure Docker/ More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Anson McCade
tools, frameworks, and processes we use • Taking part in code reviews and sharing ideas with the team • Continuously improving how we work in an Agile environment Tech stack Python | FastAPI | Django | AWS | Kubernetes | Terraform | PostgreSQL | OpenSearch | GitHub What we’re looking for • Strong experience building backend systems, ideally with Python • Good understanding of databases, data structures and SOLID principles • A More ❯
tools, frameworks, and processes we use • Taking part in code reviews and sharing ideas with the team • Continuously improving how we work in an Agile environment Tech stack Python | FastAPI | Django | AWS | Kubernetes | Terraform | PostgreSQL | OpenSearch | GitHub What we’re looking for • Strong experience building backend systems, ideally with Python • Good understanding of databases, data structures and SOLID principles • A More ❯
Oxford, England, United Kingdom Hybrid/Remote Options
Understanding Recruitment
edge tools for researchers and scientists around the world. What You’ll Do Design, build and maintain data-intensive web applications and APIs Develop scalable systems using Python (Django, FastAPI, Flask) Deploy and manage applications across on-premise and cloud environments Implement CI/CD, automated testing, and containerisation best practices Collaborate closely with R&D, operations, and scientific teams More ❯
Basingstoke, Hampshire, South East, United Kingdom Hybrid/Remote Options
iDPP
scale intelligent systems and microservices Develop AI-driven capabilities (e.g. LLMs, retrieval-augmented generation (RAG), and AI agents) Build and maintain APIs, data pipelines, and backend components (primarily Python, FastAPI, or Flask) Engineer robust, containerised architectures using Docker and Kubernetes Work with ElasticSearch, Weaviate, Pinecone, and other vector databases Help deliver high-availability, fault-tolerant systems for mission-critical workloads More ❯
technical discussions. Continuously improve processes and advocate for quality through Agile practices. Ensure clean, testable, and well-documented code. Our Tech Stack You’ll be working primarily with: Python (FastAPI, Django) AWS (Lambda, EC2, S3, etc.) PostgreSQL , Opensearch Kubernetes , Helm , Terraform GitHub for version control We’re pragmatic about tools and open to exploring new technologies that help us build More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Anson McCade
technical discussions. Continuously improve processes and advocate for quality through Agile practices. Ensure clean, testable, and well-documented code. Our Tech Stack You’ll be working primarily with: Python (FastAPI, Django) AWS (Lambda, EC2, S3, etc.) PostgreSQL , Opensearch Kubernetes , Helm , Terraform GitHub for version control We’re pragmatic about tools and open to exploring new technologies that help us build More ❯
Wokingham, Berkshire, United Kingdom Hybrid/Remote Options
SR2 REC LTD
Hybrid (Wokingham-based) Python React AWS Location: Wokingham, UK (Hybrid - 2-3 days office-based) Salary: £70,000 - £80,000; £10k equity package Tech Stack Backend: Python (Flask/FastAPI/Django) Frontend: React, TypeScript Cloud: AWS Are you an experienced Full Stack Engineer who thrives in fast-moving, product-led environments? We're partnered with an innovative AI-driven More ❯
API-level LLM usage, including tool/function calling, prompt engineering and evaluation. ● Experience with agent frameworks (OpenAI AgentSDK, LangGraph, LlamaIndex Agents or similar). ● Experience developing APIs using FastAPI or similar frameworks and integrating with third-party platforms. ● Direct client-facing experience gathering requirements and delivering technical implementations. ● Experience within agile development workflows and engineering teams. Skills & Abilities ● Strong More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Swissblock Technologies AG
curiosity to learn new things Preferred qualifications Background in traditional finance or digital assets, ideally in trading domain Hands-on experience with Python libraries and frameworks (NumPy, Pandas, Airflow, FastAPI, Flask, SQLAlchemy) Highly proficient in asynchronous, event driven distributed systems Working knowledge of cloud-native architectures, GCP preferred Experience in Go and working with real-time data streams What we More ❯
curiosity to learn new things Preferred qualifications Background in traditional finance or digital assets, ideally in trading domain Hands-on experience with Python libraries and frameworks (NumPy, Pandas, Airflow, FastAPI, Flask, SQLAlchemy) Highly proficient in asynchronous, event driven distributed systems Working knowledge of cloud-native architectures, GCP preferred Experience in Go and working with real-time data streams What we More ❯
experience developing applications as a full stack engineer. Expert knowledge of front end development including Javascript, React, Redux and supporting technologies. Knowledge of backend development in Python with Flask, FastAPI, SQLAlchemy, Postgres or another modern stack. Extensive understanding of software design patterns and principles. Experience with Agile/Scrum methodologies. Excellent communication and teamwork skills. The ability to work independently More ❯
Cursor, v0, Claude Code (or similar). 7–10 years building production ML/back‐end systems; 2+ years leading while coding. Expert Python ; strong back‐end chops (e.g., FastAPI, gRPC, Postgres, pub/sub/streams). Agents & RAG: Fluency with at least one agent framework ( ADK preferred ). Proven track record shipping AI agents and building RAG pipelines. More ❯
Cursor, v0, Claude Code (or similar). 7–10 years building production ML/back‐end systems; 2+ years leading while coding. Expert Python ; strong back‐end chops (e.g., FastAPI, gRPC, Postgres, pub/sub/streams). Agents & RAG: Fluency with at least one agent framework ( ADK preferred ). Proven track record shipping AI agents and building RAG pipelines. More ❯
at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. Huge bonus if you have More ❯
at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. Huge bonus if you have More ❯
quality solutions. Work closely with cross-functional teams (developers, DevOps, data scientists, product managers) in an agile methodology . Their Tech Stack includes: Backend: Spring & Spring Boot, Java, Python, FastAPI Frontend: Vue.js Cloud: AWS Databases: Elasticsearch & Postgres And more... This role offers exciting opportunities to dive into various areas, including Natural Language Processing, Random Forest and Monte Carlo Simulations, Classification More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Anson McCade
and Agile processes Strong collaborative approach, working effectively with both technical peers and business teams The ability to communicate technical concepts clearly across the team Tech Stack includes: Python, FastAPI, AWS, PostgreSQL, Django, Kubernetes, Terraform, GitHub What the Backend Developer - Python role offers: £70,000 base salary 10% performance-based bonus 28 days annual leave (plus public holidays) + birthday More ❯
and Agile processes Strong collaborative approach, working effectively with both technical peers and business teams The ability to communicate technical concepts clearly across the team Tech Stack includes: Python, FastAPI, AWS, PostgreSQL, Django, Kubernetes, Terraform, GitHub What the Backend Developer - Python role offers: £70,000 base salary 10% performance-based bonus 28 days annual leave (plus public holidays) + birthday More ❯