Senior Software Engineer - Agentic Workflows

Causaly; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Competitive package

Medical & dental insurance

Life insurance 4x salary

Development budget

Wellbeing budget

25 days holiday

Birthday off

International team growth

Job summary

Causaly, a UK-based biomedical AI company, seeks a Senior Fullstack Engineer to design and build scalable web applications for its AI-powered platform. You will contribute to API and business services, collaborating with product and research teams across the full development lifecycle.

The ideal candidate has 4+ years of backend experience, strong JavaScript/TypeScript skills, and proficiency with Node.js, relational databases, and modern web architectures.

Qualifications

• 4+ years work experience with back-end applications.
• Solid understanding of Javascript.
• Familiarity with Node.js.
• Experience with TypeScript.
• Good knowledge of web architecture (URIs, HTTP, Caching, etc)
• Proficiency in Git version control
• Familiarity with UNIX terminal
• Excellent knowledge of English language (verbal and written)
• Solid understanding of relational databases

Responsibilities

• Design and build scalable, reliable web applications.
• Collaborate with product and research teams across the development lifecycle.
• Maintain and monitor deployments and performance.

Skills

Back-end development

JavaScript

Node.js

TypeScript

Web architecture

Git

Unix shell

English communication

Relational databases

Tools

GraphQL

Docker

AWS

Google Cloud

ElasticSearch

Neo4j

React

Job description

About us:

Causaly is redefining how humans acquire knowledge and develop insights in biomedicine. Our AI-powered platform enables researchers and decision-makers to discover and interpret evidence from millions of scientific publications, clinical trials, regulatory documents, and other complex data sources in minutes.

We are building the world’s most advanced biomedical knowledge platform, powered by a high-precision Knowledge Graph and GenAI capabilities. Our technology is already used by leading biopharmaceutical organizations to accelerate drug discovery, improve safety, and drive better decision‑making.

Backed by top-tier investors including ICONIQ, Index Ventures, Pentech, and Marathon, we are scaling rapidly and expanding our product suite and market presence.

We are looking for a Senior Fullstack Engineer to work on our API and business services. You will be responsible for designing and building scalable, reliable, and maintainable web applications. You will collaborate with our product and research teams to build and ship new features, contributing to all aspects of the development lifecycle, from requirements gathering to deployment and monitoring.

What we're looking for

• 4+ years work experience with back-end applications

• Solid understanding of Javascript

• Familiarity with Node.js

• Experience with TypeScript

• Good knowledge of web architecture (URIs, HTTP, Caching, etc)

• Proficiency in Git version control

• Familiarity with UNIX terminal

• Excellent knowledge of English language (verbal and written)

• Solid understanding of relational databases

Preferred Qualifications

• Experience working with Knowledge Graphs and graph databases, such as Neo4J

• Experience working with Full-Text search databases, such as ElasticSearch

• Good understanding of GraphQL

• Experience working with Docker

• Experience working with a functional programming language

• Experience working with AWS or Google Cloud

Our Technology Stack

The list below is indicative and not exhaustive of the technologies we use at Causaly.

• Node.js

• Typescript

• Git

• ElasticSearch

• Neo4J

• RxJS

• React

• Webpack

Benefits

Competitive compensation package

Private medical & dental insurance

Life insurance (4 x salary)

Personal development budget

Individual wellbeing budget

25 days holiday plus bank holidays

Your birthday off!

Potential to have real impact and accelerated career growth as a member of an international team that's building a transformative AI product.

We are on a mission to accelerate scientific breakthroughs for ALL humankind, and we are proud to be an equal opportunity employer. We welcome applications from all backgrounds and fairly consider qualified candidates without regard to race, ethnic or national origin, gender, gender identity or expression, sexual orientation, disability, neurodiversity, genetics, age, religion or belief, marital/civil partnership status, domestic / family status, veteran status or any other difference.