Senior Software Engineer at AI-native fintech platform

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

Job summary

A forward-thinking healthtech startup in London is seeking a Full Stack Software Engineer to develop a B2B2C platform aimed at stress reduction and resilience. This role involves designing intelligent AI-native solutions using React and Python while collaborating closely with product managers and designers. The ideal candidate will have over 5 years of experience in building consumer-facing applications, showcasing a strong interest in wellbeing technology and mobile development. Join us to influence the product roadmap in a high-impact role.

Qualifications

• Senior-level engineer with 5+ years of experience building consumer-facing applications using React and Python or TypeScript.
• Proven ability to take ownership of complex problems and deliver maintainable, high-performance software solutions.

Responsibilities

• Design and develop comprehensive end-to-end solutions using React, Python, and Django across web and mobile platforms.
• Collaborate with product managers and designers to define technical requirements and utilize AI tools for rapid prototyping.
• Monitor and maintain the smooth operation of production features.

Skills

React

Python

Django

TypeScript

Mobile development

AI tools

Job description

Full Stack Software Engineer

Company Description: Well-funded healthtech SaaS

Job Description:
You will help shape a B2B2C platform focused on stress reduction and resilience. By developing an intelligent, AI-native coach, you will integrate physiological data and behavioral science into daily user experiences. This role involves taking ownership of complex end-to-end features, making critical technical trade-offs, and driving measurable impact for global users.

Location: London, UK

Why this role is remarkable:

• Work at the intersection of AI and behavioral science to solve the global crisis of chronic stress and burnout
• Join a well-funded startup backed by top-tier VCs where you can influence the product roadmap from the ground up
• High-impact IC role with the autonomy to design sustainable, long-term technical architectures while shipping value early and often

What you will do:

• Design and develop comprehensive end-to-end solutions using React, Python, and Django across web and mobile platforms
• Collaborate with product managers and designers to define technical requirements and utilize AI tools for rapid prototyping
• Monitor and maintain the smooth operation of production features while contributing to the enhancement of team engineering practices

The ideal candidate:

• Senior-level engineer with 5+ years of experience building consumer-facing applications using React and Python or TypeScript
• Proven ability to take ownership of complex problems and deliver maintainable, high-performance software solutions within a collaborative environment
• Strong interest in wellbeing technology and experience with mobile development, specifically React Native and system architecture

Next steps

1. Visit our website
2. Click 'Talk to Jack'
3. Talk to Jack so he can understand your experience and ambitions
4. Jack will make sure Jill (the AI agent working for the company) considers you for this role
5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction
6. If not, Jack will find you excellent alternatives. All for free