Senior Python Developer
Posted 1 week ago by SerenityGPT
Negotiable
Undetermined
Remote
Greater London, England, United Kingdom
Summary: The Senior Python Developer role at SerenityGPT involves developing and deploying advanced RAG and Agentic AI systems for various global industries. The position requires collaboration with the CTO and focuses on building scalable data pipelines and maintaining a configurable AI engine. Candidates should have extensive Python experience and a strong understanding of databases and APIs. This fully remote position is aimed at ambitious individuals looking to make a significant impact in a fast-growing startup.
Key Responsibilities:
- Identify, evaluate, develop, and deploy the latest in RAG and Agentic AI
- Build scalable data pipelines (API integrations, web crawlers)
- Configure end-to-end customer use cases and automate aggressively
- Maintain and evolve our highly configurable, deployable RAG and Agentic AI engine
- Collaborate directly with top-tier enterprise clients
Key Skills:
- 5+ years of experience with Python
- Solid knowledge of SQL, REST APIs, and Docker
- Broad hands-on experience with databases, frameworks, data processing
- Strong engineering fundamentals and curiosity
- Comfortable working independently and making technical decisions
- Fluent English — all communication and interviews are in English
- Based in Europe or a compatible timezone
- Bonus if you have worked with GenAI, RAG, or LLM systems
- Enjoy building developer tools or infrastructure
- Can demonstrate shipped products or side projects
Salary (Rate): undetermined
City: Greater London
Country: United Kingdom
Working Arrangements: remote
IR35 Status: undetermined
Seniority Level: Senior
Industry: IT
Remote, Europe
We’re SerenityGPT — a fast-growing GenAI startup solving a painfully common problem: finding information at work is still broken. Whether it’s buried in Confluence, Jira, GDrive, SharePoint, or Slack — we surface concise, verifiable answers from across your internal knowledge in a conversational interface. On top of this, we provide easily extendable agentic AI functionality to automate repetitive tasks and to respond to more complicated questions. Our customers include global firms such as Perforce, InterSystems, and Testronic.
We’re looking for an ambitious Senior Python Developer to join our small high-performing team. You’ll work directly with our CTO Vitaliy — creator of Django Ninja — and help deliver cutting-edge RAG and Agentic AI systems to global tech, finance, healthcare, and gaming companies. If you're looking to move fast, build with purpose, and be part of something early and impactful — we’d love to meet you.
What You’ll Do
- Identify, evaluate, develop, and deploy the latest in RAG and Agentic AI
- Build scalable data pipelines (API integrations, web crawlers)
- Configure end-to-end customer use cases and automate aggressively
- Maintain and evolve our highly configurable, deployable RAG and Agentic AI engine
- Collaborate directly with top-tier enterprise clients
Our Stack
- Python
- Postgres
- Docker
- Custom RAG framework
- PyndaticAI
- LLM APIs and embedding models
- Vector DBs
See our docs: docs.serenitygpt.com
Requirements
- 5+ years of experience with Python
- Solid knowledge of SQL, REST APIs, and Docker
- Broad hands-on experience with databases, frameworks, data processing
- Strong engineering fundamentals and curiosity
- Comfortable working independently and making technical decisions
- Fluent English — all communication and interviews are in English
- Based in Europe or a compatible timezone
Bonus if you:
- Have worked with GenAI, RAG, or LLM systems
- Enjoy building developer tools or infrastructure
- Can demonstrate shipped products or side projects
We offer you:
- Competitive compensation
- Fully remote
- Direct collaboration with highly technical founders
- Very little bureaucracy, modern stack, real product ownership