15 of 15 SQLAlchemy Jobs in London

Senior Backend Engineer

Location
Greater London, England, United Kingdom
/CD Strong STEM degree or equivalent professional experience Desirable skills: Deep knowledge of Python, including any of the frameworks we currently use: Flask, SqlAlchemy, Alembic, Pydantic Experience with relational databases, ideally Postgres Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ Experience of REST and/or GraphQL ...

Back End Developer

Location
Greater London, England, United Kingdom
services and contracts You design REST and asynchronous services in Python 3.11+ and FastAPI, working at Java/Spring boundaries with PostgreSQL and async SQLAlchemy persistence. You implement tenant isolation, context, role-based access and configuration. You version and evolve contracts between core and AI services without breaking consumers. ...

Engineering Team Lead (AI Focused)

Location
Greater London, England, United Kingdom
towards a long-term scalable architecture - including hardening AI features against risks such as prompt injection and unbounded model behaviour Experience with FastAPI, async SQLAlchemy, and/or Node/Express Experience with React/TypeScript front-end development Experience with LangChain, LangGraph, or other multi-agent/LLM orchestration ...

Engineering Team Lead | Tech | London, UK

Location
City of Westminster, England, United Kingdom
long-term scalable architecture - including hardening AI features against risks such as prompt injection and unbounded model behaviour Desirable Criteria: Experience with FastAPI, async SQLAlchemy, and/or Node/Express Experience with React/TypeScript front-end development Experience with LangChain, LangGraph, or other multi-agent/LLM orchestration ...

Senior FullStack Engineer - TypeScript - Python

Location
Greater London, England, United Kingdom
entire system Our stack Infrastructure: AWS, Terraform Frontend: Vercel, NextJS, React/Redux, Testcafe (or similar, Cypress, Playwright) Backend: TypeScript, Vitest, TypeORM, Python, FastAPI, SQLAlchemy, pytest, Docker Compose Experience and Skills Experience as a full stack engineer An end-to-end systems-mindset; we are building a product that should ...

Backend Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent
DOING - SERVICES AND CONTRACTS Design REST and asynchronous services in Python 3.11+ and FastAPI. Work at Java/Spring boundaries with PostgreSQL and async SQLAlchemy persistence. Implement tenant isolation, context, role-based access and configuration. Version and evolve contracts between core and AI services without breaking consumers. WHAT ...

Principal Engineer (Platform Architecture)

Location
Greater London, England, United Kingdom
expert in every tool listed below, but you should have strong experience with most of them or equivalent technologies. Core Languages & Frameworks Python (Flask, SQLAlchemy, NumPy, Pandas) for services and analytics React, Typescript, Redux for the front end Cloud & Infrastructure AWS (ECS, Lambda, RDS, S3) Docker Linux Data, Messaging & Caching ...

Bi Developer - Oracle Analytics

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £505 per day
Build interactive OAS dashboards, analyses, and BI Publisher data models, layouts, bursting, and automated schedules. Python Automation: Design production-grade Python scripts (pandas, oracledb, SQLAlchemy, openpyxl, etc.) to replace Access macros, automate extraction, and deliver automated report packs. Testing & Delivery: Conduct parallel runs, complete data reconciliation, establish rollback plans ...

Mid-level Backend Engineer

Location
Greater London, England, United Kingdom
professional experience building production software in Python Experience with FastAPI (or a similar web framework) Strong SQL skills and hands‐on production experience with SQLalchemy/PostgreSQL Professional experience with DockerSolid understanding of RESTful API design Solid grasp of Git and standard version‐control workflows in a team environment Solid ...

Lead Python Developer

Location
Greater London, England, United Kingdom
Knowledge of FCA compliance/Financial Services/regulated environment preferred Highly motivated to learn about Fundment’s products Technical Expertise: Python: FastAPI, Pydantic, SQLAlchemy, PyTest, Pandas, Numpy Cloud: Experience supporting production systems Security & Compliance: Familiar with secure coding and regulated environments Values Collaborative – Deliver as a team, communicate clearly ...

BI Architect - Oracle Analytics & Access

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £505 per day
Build interactive OAS dashboards, analyses, and BI Publisher data models, layouts, bursting, and automated schedules. Python Automation: Design production-grade Python scripts (pandas, oracledb, SQLAlchemy, openpyxl, etc.) to replace Access macros, automate extraction, and deliver automated report packs. Testing & Delivery: Conduct parallel runs, complete data reconciliation, establish rollback plans ...

Senior Python Backend Engineer – Fintech API Systems

Location
Greater London, England, United Kingdom
team. You will help build and evolve the backend systems powering our wealth platform, designing secure, scalable APIs and internal tools using Python, FastAPI, SQLAlchemy, and related technologies. Collaborate with cross-functional teams, own complex problems, and deliver production-ready code with strong emphasis on maintainability, observability, and reliability. #J ...

Python Software Engineer

Location
Greater London, England, United Kingdom
responsibility, and thrives in a collaborative, supportive team where real impact is encouraged. Skills & Experience Job roles: Back End Core skills considered: Python, FastAPI, SQLAlchemy, Pandas, Numpy What You’ll Be Doing Design, build, and maintain APIs, backend services, and internal systems that support both client-facing features and operational … reviews, technical discussions, and shared team practices Mentor peers and help grow a high-trust, high-impact engineering culture Python 3.x with FastAPI, Pydantic, SQLAlchemy, Pandas, and NumPy Relational databases: MySQL and PostgreSQL GCP experience is a plus, but not required Modern Middleware is a plus – e.g. Pub/ ...

Senior Full-Stack Engineer - Team Agent

Location
Greater London, England, United Kingdom
About The Role Taktile is building a platform for creating, publishing, and executing AI-powered agents that help teams automate complex workflows in financial services. The Agents team owns the agent execution runtime, tool orchestration ...

Database Consultant

Hiring Organisation
LANCESOFT LTD
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Oracle data, apply transformations, validate results and generate Excel/PDF/CSV outputs. Use Python libraries such as oracledb/cx_Oracle, pandas, SQLAlchemy, openpyxl, XlsxWriter and NumPy. Implement robust logging, exception handling, audit trails, restartability and data reconciliation checks. Automate execution using enterprise schedulers such as Control … scheduling, PDF/Excel/CSV outputs to replace scheduled Access reports and standardise enterprise output. Python Python 3.x, pandas, oracledb/cx_Oracle, SQLAlchemy, openpyxl, XlsxWriter, logging frameworks to replace macros, automate extraction/transformation and generate report packs. DevOps & Release Git, Azure DevOps/GitHub, CI/ ...