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Engineering · FRANCE - PARIS, FULL REMOTE - France · Hybrid

Senior Full-Stack Engineer – Product & Experimentation

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Senior Full-Stack Engineer – Product & Experimentation
Paris · Permanent contract · Hybrid
Build the experience after the click

At Dolead, we help companies turn digital acquisition into measurable business results.
Today, millions of users interact with the landing pages and digital journeys we build across Europe and the United States. Our next challenge is to go further.

We want to create a seamless experience from the moment someone clicks on an ad to the moment they are contacted by one of our clients’ call centers: clearer next steps, better follow-up, smarter interactions and, eventually, new experiences powered by AI.

To help us build this, we are looking for a Senior Full-Stack Engineer with a strong interest in user experience, product thinking and experimentation.

This is not a role where Engineering receives a finished roadmap and simply executes it. You will help shape the problems we solve, challenge the solutions and measure whether what we build actually moves the needle.

Your team
You will join our Perfect User Journey squad, managed by Ioanna, the team’s Engineering Lead.
The squad currently includes:

  • one Squad Lead

  • one Front-End Engineer;

  • one Full-Stack Engineer;

  • But you'll also talk to Product, Data and Architecture



You will become the third Engineer in the team and work closely with all of them to design, build and improve our user journeys.
The squad is deliberately small and cross-functional. Product, Engineering and Business work closely together, with short decision loops and a shared focus on measurable outcomes.

What you will do

Build product features end-to-end
You will design and develop features across the stack, from React interfaces to the Python services supporting them.
While the role requires strong front-end expertise, you should also be comfortable taking ownership of the back-end components needed to deliver a complete feature.

Improve high-impact user journeys
Our landing pages are currently the main product area for the squad.
You will work on their architecture, performance and user experience, while helping us progressively extend the journey beyond the initial conversion.
The longer-term ambition is to connect the online experience with what happens afterwards: qualification, follow-up and interactions with call centers.

Experiment, measure and scale
We do not build features based on intuition alone.
You will work with Product and Business to turn ideas into testable hypotheses, launch experiments and analyse their impact using data.
Our approach is simple: PoC and Scale. Test quickly, measure honestly and invest further when the results justify it.
Your impact will primarily be assessed through:

  • conversion;

  • revenue;

  • product and technical quality.



Contribute to technical decisions
Our stack may evolve over the coming years.
You will contribute to architectural discussions, challenge existing choices when relevant and help the team decide where technical investment will create the most value.
We are opinionated, but not emotionally attached to our solutions. A good argument, supported by evidence, can change the direction.

Work closely with the business
Our Engineers are not isolated from the rest of the company.
You will need to understand the users behind the numbers, the business model and the operational constraints of our clients.
The role requires someone who can connect technical decisions with customer experience and commercial outcomes.

What we are looking for

  • You have significant experience in software engineering, ideally 8 years or more.

  • You have built and scaled web products in a product-led environment.

  • You have strong experience with React and TypeScript or JavaScript.

  • You understand web performance, front-end architecture and the details that shape a good user experience.

  • You are autonomous enough on the back end to build complete features using Python and APIs.

  • You are comfortable working with data, running experiments and measuring their impact.

  • You think in terms of users and business outcomes, not only technical implementation.

  • You know when a problem requires a robust long-term solution and when an effective 80/20 approach is more appropriate.

  • You enjoy working in a small, multidisciplinary team where Engineers participate in decisions.

  • You communicate clearly and keep the people around you informed.

  • You are fluent in French and English.



Nice to have
Any of the following would be useful, but none is mandatory:

  • experience in a recognised product company or scale-up;

  • experience working on high-traffic B2C journeys, landing pages or mobile products;

  • exposure to growth, marketing, conversion or acquisition topics;

  • experience with voice AI, telephony or call-center products;

  • experience using AI-assisted development tools such as Claude Code;

  • an entrepreneurial background or experience in an early-stage environment.



Our stack
Frontend

  • React

  • TypeScript and JavaScript

  • Gatsby

Backend

  • Python

  • Flask

  • Microservices

Data and storage

  • MongoDB

  • Redis

  • MySQL

  • DynamoDB

  • Looker

Infrastructure and delivery

  • AWS

  • CircleCI

AI-assisted development

  • Claude Code

You do not need to have worked with every part of the stack already. Strong engineering fundamentals and the ability to learn quickly matter more than ticking every box.

Benefits

  • Sidecare health insurance, fully covered by Dolead

  • Swile meal card, 50% covered

  • 25 days of paid leave and approximately 8 RTT days

  • Flexible hybrid working

  • An international team with more than 13 nationalities

  • Regular team and company events

  • Central Paris office



Recruitment process

  1. An initial conversation with Florian, our Talent Acquisition Manager

  2. A discovery interview with Ioanna and a member of the Engineering team

  3. A technical case and working session with the team

  4. A final conversation with Vlad, our CPTO

  5. Reference checks before the offer

We aim to keep the process transparent and useful on both sides. You will know what each step is designed to assess and have the opportunity to meet the people you would work with.
Dolead is an equal-opportunity employer. We welcome applicants from all backgrounds and make hiring decisions based on skills, experience and potential.

Département
Engineering
Locations
FRANCE - PARIS, FULL REMOTE - France
Remote status
Hybrid

FRANCE - PARIS

Engineering · FRANCE - PARIS, FULL REMOTE - France · Hybrid

Senior Full-Stack Engineer – Product & Experimentation

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