Fullstack Engineer Tandem Hexa AI
Fullstack Engineer Tandem Hexa AI
Posted on :
15-03-2025
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1 Vacancy
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Job Description
We are Tandem
On average twothirds of users of a B2B SaaS product never become active. In other words this means that twothirds of customer acquisition costs a substantial amount are never recouped. Current solutions to improve user onboarding are either too expensive (hiring more staff to ensure personalized human support) or ineffective (no product on the market offers a convincing rich and personalized experience).
Tandem:
welcomes new users (onboarding) with the mission of showing them the products value as quickly and efficiently as possible
assists users throughout their lifecycle to help them achieve what they want
Tandem helps users as a human would. It talks to them (by text or voice) shows them (by pointing out on the screen the elements they need to click on) and does actions directly for them.
It is the intelligent assistant of every SaaS app.
Tandem was cofounded by Christophe (CEO) and Manuel (CTO) a team of repeat entrepreneurs with 20 years combined experience in AI & tech.
We are backed by Hexa (eFounders)
Hexa partner with talented cofounders to build the future of productled SaaS.
Hexa pioneered the startup studio model in 2011and have since launchedover 30 companies7 of them have made exits) with $700M in funding and now reaching a valuation of over $5 billion includingFront Aircall and Spendeskwhich recently becameunicorns.
Todayover2500employees across the world work in a startup which started out as a simple mockup right here at eFounders.
Companies:RoundtableElba Dotfile Swan Cycle Folk Upflow Yousign many other startups and more to come
Your mission
Were seeking an experienced Fullstack Engineer with a frontend sensibility.
As our first and founding engineer youll have the opportunituy to make a significant impact on our product and especially on the enduser experience.
At Tandem delivering an exceptional user experience is paramount to driving user adoption in SaaS. Your role is crucial: by owning the widget and backoffice youll directly influence how users interact with our AI Copilot and Product Managers with its configuration.
Youll shape both the user interface and the underlying systems of our solution enhancing user engagement and significantly contributing to their success with our platform.
Youll also have the opportunity to contribute to the development of our personalized and tailored AI.
Responsabilities
- Design and develop the whole platform that will surround the existing widget (admin interface analytics data connectors)
- Continue designing and developing the userfacing widget to make it the undisputed best assistant on the market
- Contribute driving the technical direction setting high standards
- Experiment with new ideas concepts and technologies
- Collaborate closely with product managers and designers for roadmap planning and product design
Is that you
- 4 years of experience as a Fullstack Engineer ideally in a startup or scaleup
- Expertise with Node.js and React
- Strong product sense and interest in UI/UX
- Entrepreneurial and builder spirit: you dont just want to execute over specs you like to be directly involved in conversations about strategy and roadmap and to take part in critical decisions. Bonus point if youre an exfounder!
- Hackerspirit and doer mindset: we like to experiment iterate fast play with new technologies and tools. Were working on something that has never been done before!
- Passion for the AI field you use AI tools everytime and everywhere
Our tech stack
- Frontend: TypeScript React Vite socket Refine.dev (for the backoffice)
- Backend: TypeScript Nest.js Supabase Postgres
- Ops & Infra: AWS (ECS Cloudfront S3 Terraform Github Actions
- AI: OpenAI Claude Langfuse (and more to come)
What we offer
- Competitive salary and equity package
- Latest Macbook Pro
- Joining a renowned startup studio: youll be in a dynamic environment surrounded by smart and ambitious people in a fun atmosphere
- Lovely offices at Hexa in Paris 75010
- Hybrid remote: 2 days a week in the office the rest is up to you
Hexa is committed to creating a diverse environment. All qualified applicants will receive consideration for employment irrespective of gender origin identity background and sexual orientation.
We know theres a long way to go regarding diversity in our industry which is why we encourage all applicants especially those listed above to apply to our open positions.
Employment Type
Full-Time
Key Skills
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