Senior Python Web App Developer

Stelfox Tech Recruitment; Dublin; On-site; EUR 70,000 - 90,000; Full time

Job summary

Stelfox Tech Recruitment is looking for a Python Web Application Engineer to join a new team in Dublin. This role involves building applications that empower scientists to unlock insights from complex datasets in the biotech sector.

The ideal candidate should have 5–10 years of full stack software engineering experience, a degree in Computer Science or Bioinformatics, and proficiency in modern technologies like FastAPI and AWS. Visa sponsorship is not available for this role.

Qualifications

• 5–10 years’ software engineering experience, preferably full stack.
• Strong knowledge of AI, data, and life sciences applications.
• Experience with CI/CD and containerized services.

Responsibilities

• Build intuitive, high-performance applications for scientists.
• Develop full stack applications with server-rendered UIs.
• Utilize modern coding and development tools for optimal outcomes.

Skills

Python with modern tooling

FastAPI

PostgreSQL

AWS

Infrastructure-as-code

Agentic coding tools

Education

Degree in Computer Science

Degree in Bioinformatics

Job description

Are you interested in joining a brand-new engineering team in Dublin working on something genuinely meaningful?

Stelfox is exclusively partnering with a high-growth, AI-driven biotech company that’s transforming how cancer drugs are discovered.

This organisation sits at the intersection of AI, data, and life sciences—combining cutting-edge technologies with real-world clinical data to redefine oncology research.

Python Web Application Engineer:

Build intuitive, high-performance applications that empower scientists (biologists, chemists, researchers) to unlock insights from complex datasets.

Full stack applications - server-rendered UI's (HTMX) with FastAPI route handlers and underlying service layer

Some of the general tech stack will consist of:

• Python with modern tooling (e.g. uv, pixi)
• FastAPI with a clean service-layer architecture
• PostgreSQL and object storage (S3)
• AWS (ECS and related services)
• Infrastructure-as-code and automated CI/CD; containerized services
• Agentic coding tools (e.g. Claude Code) as part of day-to-day development
• 5–10 years’ software engineering experience (preference for full stack)
• Degree (or higher) in Computer Science, Bioinformatics or similar.

If you would like to be considered for this new team, please feel free to apply for immediate consideration. Please note, visa sponsorship is not provided for these roles.