26 to 50 of 68 Permanent pydantic Jobs

Python Software Engineer - Fintech

Hiring Organisation
Run-Time Group Ltd
Location
South West London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
Degree in Comp Sci or STEM subject from a Top ranked University 3+ years of experience in Python development Tech: Python, FastAPI, Pydantic, PostgreSQL, AWS DevOps tools: Kubernetes, Docker,Terraform, Jenkins Very strong software engineering principles Enthusiasm for startup environment and cross-functional teams Passion for automation and data infrastructure ...

Applied AI Engineer

Location
Greater London, England, United Kingdom
experience building LLM‐powered systems in production, including agents, RAG pipelines, MCPs, tool‐use and multi‐step workflows. Familiarity with frameworks such as LangGraph, Pydantic AI or similar. Strong Python engineering skills and ability to produce clean, testable, production‐quality code. Experience with context engineering: retrieval strategies, prompt construction, information ...

Python Software Engineer

Location
Greater London, England, United Kingdom
code 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 Software Engineer, AI Agents

Location
Staines-upon-Thames, England, United Kingdom
GenAI solutions, including RAG pipelines (hybrid retrieval, embeddings) and agentic systems (agent orchestration, tool usage). Experience with AI frameworks and tooling such as Pydantic AI, LangChain, and MCP. Experience with MCP development and plan-based agentic software development. Experience with DevOps and cloud-native infrastructure, including Docker, Kubernetes, CNCF ...

Senior Manager, Data Engineering

Location
Greater London, England, United Kingdom
into technical specifications.**Highly Desirable:*** Experience with Docker and containerised workloads (Cloud Run Jobs).* Familiarity with CLI frameworks (Click) and config-driven architectures (Pydantic, YAML-based configuration).* Knowledge of the digital media/paid media industry — we process data from 26+ ad platforms (Google Ads, Meta, DV360, TikTok ...

Forward Deployed Engineer - AVP

Location
Greater London, England, United Kingdom
regression testbeds in collaboration with LOB domain experts and senior engineers. Optimizes prompt templates, system instructions, few‐shot examples, and structured JSON output parsers (Pydantic/JSON Schema) to maximize deterministic agent behavior. Authors and maintains automated test execution and deployment pipelines within Lightspeed CI/CD , enforcing continuous evaluation ...

Data Engineer - Senior Manager

Location
Greater London, England, United Kingdom
translating business requirements into clear technical specifications. Useful extras that will help you stand out: Docker and containerised workloads, including Cloud Run Jobs. Click, Pydantic and YAML-based configuration. Multi-client mono-repo experience. Azure Blob, AWS S3 and SFTP integrations. pytest, MkDocs and modern Python tooling such as Poetry ...

Forward Deployed Engineer

Location
Greater London, England, United Kingdom
multi-step reasoning, evals, guardrails. Customer-facing experience preferred. Wealth, fintech or another regulated industry is a strong plus. Stack and tools Python (FastAPI, Pydantic, async stack), Azure (App Services, Functions, AI Foundry, Key Vault, Entra ID, Private VNet), Postgres, OpenAI and Anthropic models, evaluation frameworks for agentic systems, Microsoft ...

Senior Python Engineer

Location
United Kingdom
Lambda and DynamoDB.Experience with event-driven AWS services such as EventBridge and/or Step Functions.Strong understanding of typed Python and experience with Pydantic or similar approaches.Experience with Infrastructure as Code, preferably Terraform.Strong SQL and data modelling skills.Experience designing scalable backend systems and APIs.Strong understanding of software architecture and system ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
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 APIs Knowledge ...

Senior Data Engineer New London

Location
Greater London, England, United Kingdom
Snowflake via Snowpipe; batch and third-party data lands through Snowpark-deployed Python procedures. All infrastructure is defined in Terraform/Terragrunt. Python (Poetry, Pydantic, pytest) is our pipeline language; GitHub Actions runs CI/CD. Datadog gives us end-to-end pipeline observability. Key Responsibilities Event Pipeline Ownership: Build ...

Scientific Software Engineer (Lab Integration)

Location
Greater London, England, United Kingdom
operate the services that send experiment requests from our AI agents and reliably bring results back. Build APIs and data models (e.g. FastAPI, Pydantic) for bidirectional lab‐to‐cloud data exchange. Integrate with lab instruments, robotic platforms, LIMS/ELN systems and scheduling software, translating between disparate formats and CuspAI ...

Staff AI Product Builder

Location
Greater London, England, United Kingdom
agent systems; evals; data-intensive or scientific software; data science; supply-chain, commodities or manufacturing exposure. Stack: Python, FastAPI, Postgres, Dagster, AWS; LangGraph, MCP, Pydantic AI; Next.js and TypeScript. A signal, never a requirement. The take-home: a short task shaped like the real work, and later a working session ...

Senior Full-Stack Engineer, Cortex

Location
Greater London, England, United Kingdom
engineer experience; data-heavy interfaces such as large tables, charts and maps. Stack: Next.js, TypeScript, MUI, Mapbox; Python, FastAPI, Postgres, Dagster, AWS; LangGraph, MCP, Pydantic AI. A signal, never a requirement. The take-home: given a customer question and the tool results behind it, design the surface that answers it. ...

Platform Engineer (Barcelona)

Location
Cambourne, England, United Kingdom
scripts. Experience building and maintaining REST APIs in a modern Python framework (FastAPI, Django REST Framework, or similar), including versioning, authentication, and input validation (Pydantic or equivalent). Experience with Python data access and migrations (SQLAlchemy, Alembic, or equivalent) on PostgreSQL, and with schema design. Comfortable with async Python, structured ...

Senior Software Engineer (Python)

Location
Greater London, England, United Kingdom
experience in computer science, engineering, mathematics, physics, or another quantitative discipline. Experience with scientific and data tools such as NumPy, SciPy, pandas or Polars,Pydantic,Plotly, or equivalent technologies. Experience with time‐series or sensor data, data validation, numerical optimisation, simulation, statistics, or uncertainty analysis. Familiarity with typed Python, developer ...

Backend Data Engineer - Python, APIs & Cloud

Location
Greater London, England, United Kingdom
software team, using Git for version control and modern development practices to ensure robust, scalable systems. The role emphasizes Python development, FastAPI and Pydantic libraries, cloud deployment, and Docker usage within a hybrid London-based setup. #J-18808-Ljbffr ...

Network DevOps Engineer

Hiring Organisation
Matchtech
Location
Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
automation testing for applications and APIs Strong knowledge of REST and GraphQL APIs, with experience using frameworks such as Django REST Framework, FastAPI and Pydantic Proficiency with JSON, YAML, Jinja2, data structures and data serialisation Understanding of DevOps principles and Agile methodologies, including Scrum and Kanban Experience using ...

Network DevOps Engineer

Location
England, United Kingdom
automation testing for applications and APIs Strong knowledge of REST and GraphQL APIs, with experience using frameworks such as Django REST Framework, FastAPI and Pydantic Proficiency with JSON, YAML, Jinja2, data structures and data serialisation Understanding of DevOps principles and Agile methodologies, including Scrum and Kanban Experience using ...

Staff Engineer, AI Harness

Location
Greater London, England, United Kingdom
retrieval beyond tutorials; applied AI where wrong answers have consequences; supply-chain, commodities or manufacturing exposure. Stack: Python, FastAPI, Postgres, Dagster, AWS; LangGraph, MCP, Pydantic AI; Next.js and TypeScript. A signal, never a requirement. The take-home: a short task shaped like the real work, and later a working session ...

Forward Deployed Engineer, Product/Engineering

Location
Greater London, England, United Kingdom
built without a translator. Nice signals: able to cover US customers as they come online. Stack: Python, FastAPI, Postgres, Dagster, AWS; LangGraph, MCP, Pydantic AI. A signal, never a requirement. The take-home: map a messy ERP-style extract to a canonical model, document the correspondences and tell us what ...

Software Engineer

Location
Greater London, England, United Kingdom
fast. Aerospace experience isn't required. You're pragmatic and structured. Strong plus : Early-stage experience, competitive programming, trading, building agents. Tech stack: FastAPI · Pydantic · TypeScript · React · OpenAI/Anthropic · PostgreSQL · Turbopuffer · Promptfoo · Azure What we offer £90k–£120k salary plus meaningful early-stage equity. Modern tools, real-world impact ...

Lead Python Developer

Location
Greater London, England, United Kingdom
business 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 ...

MTS: AI Research Engineer

Location
Greater London, England, United Kingdom
coordination, scoped memory & context, and how agents degrade gracefully under pressure. Python Mastery: You’re an expert in async programming and structured data modeling (Pydantic), building maintainable, scalable systems designed for extensibility. Fast, Iterative Builder: You thrive when research and product move together. You’re comfortable shipping quickly, learning from ...

Junior Python Developer

Location
Belfast City District, Northern Ireland, United Kingdom
Experience with FastAPI, Flask, Django or a similar Python web framework Familiarity with PyTest and software testing best practices Understanding of data modelling using Pydantic, SQLAlchemy, SQLModel or similar ORM technologies This is an excellent opportunity for a junior developer looking to establish themselves in backend engineering, gain exposure ...