Staff/Senior Fullstack Engineer at VC-backed AI investment tech startup

Jack and Jill AI; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

An innovative AI startup in London is looking for a Staff/Senior Fullstack Engineer to take charge of features within an ambitious engineering team. You will design and implement AI-driven solutions that enhance investment analysis workflows and ensure code quality in a dynamic environment. This role offers significant career progression and the chance to make a direct impact in a rapidly scaling product environment backed by venture capital.

Benefits

Career progression opportunities

Work with industry experts

Impactful role in a high-growth venture

Qualifications

• 4+ years of experience at a venture-backed startup or top-tier technology firm.
• Deep proficiency in Python, FastAPI, and React.
• Ability to thrive in a fast-paced, high-ownership environment.

Responsibilities

• Design and implement new agentic capabilities replicating high-level investment expertise.
• Integrate diverse data sources into the agent loop for automated analyses.
• Maintain rigorous code standards and engineering excellence.

Skills

Software engineering experience

Proficiency in Python

Experience with FastAPI

Proficiency in React

Problem-solving

Job description

Staff/Senior Fullstack Engineer

Company Description

VC-backed AI investment tech startup

Job Description

Join an ambitious engineering team building an AI-native platform that streamlines complex data analysis and due diligence workflows for high-stakes investment firms. You will own features end-to-end, from architecting agentic frameworks to refining user interfaces. This role is pivotal in scaling a product that has seen significant enterprise adoption within its first year.

Location

London, UK

Why this role is remarkable

• Direct impact on a high-growth venture while working closely with a founding team of industry experts.
• Build sophisticated, streaming-first agent frameworks and finance-focused toolkits using cutting-edge LLM technologies.
• Significant career progression opportunities in a fast-paced environment backed by top-tier venture capital and prominent industry executives.

What you will do

• Design and implement new agentic capabilities that replicate high-level investment expertise and complex document authoring.
• Expand connectivity by integrating diverse data sources into the agent loop to enhance the depth of automated analyses.
• Maintain rigorous code standards and engineering excellence to ensure high velocity and scalable document ingestion pipelines.

The ideal candidate

• Has 4+ years of software engineering experience at a venture-backed startup or top-tier technology firm.
• Possesses deep proficiency in Python, FastAPI, and React, with a track record of taking products from ideation to production.
• Thrives in a fast-paced, high-ownership environment and enjoys solving complex domain problems to deliver customer value.