City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
5+ years of experience, ideally working in high-growth start-up or scale-up environments Strong skills with Python & Fast API Cloud experience, ideally with AWS Proficiency with LLMs, Pydantic, LangChain/LangGraph or similar orchestration tools Computer Science/STEM background from a top ranked University Base salary of £80k-£110k Exceptional equity and benefits package Hybrid working, with More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
5+ years of experience, ideally working in high-growth start-up or scale-up environments Strong skills with Python & Fast API Cloud experience, ideally with AWS Proficiency with LLMs, Pydantic, LangChain/LangGraph or similar orchestration tools Computer Science/STEM background from a top ranked University Base salary of £80k-£110k Exceptional equity and benefits package Hybrid working, with More ❯
3+ years’ experience) to take ownership of core backend systems end-to-end, from infrastructure to database design. Ideal Profile: Strong experience with Python and SQL Familiarity with FastAPI , Pydantic , and PostgreSQL Bonus: experience with lower-level languages such as Rust Role Details: Compensation: £80K–£130K + equity (0.1–0.3%) Location: On-site in London, 4/5 days per More ❯
london (city of london), south east england, united kingdom
Realm
3+ years’ experience) to take ownership of core backend systems end-to-end, from infrastructure to database design. Ideal Profile: Strong experience with Python and SQL Familiarity with FastAPI , Pydantic , and PostgreSQL Bonus: experience with lower-level languages such as Rust Role Details: Compensation: £80K–£130K + equity (0.1–0.3%) Location: On-site in London, 4/5 days per More ❯
invest in solid foundations. Champion best practices in testing, reliability, and security. What You’ll Need Strong engineering fundamentals and experience shipping reliable systems. Proficiency in Python (FastAPI), SQLAlchemy, Pydantic, PostgreSQL, GCP Experience building AI products and working closely with users. Fosters a start up mindset & comfortable working in a fast paced environment If you love solving complex challenges, thrive More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Tiro Partners Limited
real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Tiro Partners Limited
real-world engineering not just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python More ❯
City of London, London, United Kingdom Hybrid / WFH Options
TreasurySpring
automation and CI/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 APIs Knowledge of the core AWS services More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
TreasurySpring
automation and CI/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 APIs Knowledge of the core AWS services More ❯
goals into concrete AI Agentic workflow, prompts and predictable outputs Design, implement, and ship agent workflows in Python Write excellent prompts and structured output schemas (JSON/JSON‐Schema, Pydantic) that are robust across models and providers. Integrate and operate multiple LLM providers (OpenAI primarily, also Anthropic and Google today, evaluate Groq/Cerebras and others for cost/latency … handling. Collaborate with product/ops to validate outputs with users, and iterate quickly. Our current/target stack (you don't need all of this) Python: 3.12+, FastAPI, Pydantic, asyncio/httpx, pytest, mypy LLM orchestration & evals: OpenAI/Anthropic/Gemini; Orq.ai and LangSmith are in use today (nice‐to‐have, not required); experience with lightweight, framework‐agnostic More ❯
london (city of london), south east england, united kingdom
Evergrowth
goals into concrete AI Agentic workflow, prompts and predictable outputs Design, implement, and ship agent workflows in Python Write excellent prompts and structured output schemas (JSON/JSON‐Schema, Pydantic) that are robust across models and providers. Integrate and operate multiple LLM providers (OpenAI primarily, also Anthropic and Google today, evaluate Groq/Cerebras and others for cost/latency … handling. Collaborate with product/ops to validate outputs with users, and iterate quickly. Our current/target stack (you don't need all of this) Python: 3.12+, FastAPI, Pydantic, asyncio/httpx, pytest, mypy LLM orchestration & evals: OpenAI/Anthropic/Gemini; Orq.ai and LangSmith are in use today (nice‐to‐have, not required); experience with lightweight, framework‐agnostic More ❯
