Senior Full-Stack Engineer – Product & UX (Hybrid)

Dolead; Paris; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Health insurance

Lunch vouchers

25 vacation days

Flexible remote policy

Multicultural environment

Company events

Paris office

Job summary

Dolead in Paris is seeking a Senior Full-Stack Engineer to join the Perfect User Journey squad. You will design and build features across the stack, from React interfaces to Python services, with a strong emphasis on UX and experimentation.

You will collaborate closely with Product and Business to improve conversion and engagement while delivering end-to-end solutions. The role is hybrid in Paris, reporting into the Engineering Team Lead.

Qualifications

• 8+ years of software engineering experience, ideally in product-led environments.
• Strong expertise in React and TypeScript / JavaScript.
• Proven experience building and scaling user-facing web products.
• Solid understanding of web performance, front-end architecture and responsive experiences.
• Strong UX sensitivity and ability to identify friction and propose improvements without detailed designs.
• Back-end autonomy to build and deliver complete end-to-end features.
• Comfortable with APIs and backend services; Python experience valued.
• Data-driven mindset, using evidence to validate decisions.
• Proactive and comfortable with ambiguity; able to advance without detailed specs.
• Strong product and business awareness with outcomes focus.
• Pragmatic engineering: know when to build long-term vs 80/20 solutions.
• Experience in small, multidisciplinary teams and clear cross-stakeholder communication.
• Fluent French and English.

Responsibilities

• Design and develop features across the stack, from React interfaces to Python services.
• Deliver complete features end-to-end with front-heavy emphasis.
• Contribute to technical decisions and trade-offs for speed, quality and maintainability.
• Improve high-impact user journeys including mobile UX and responsive behavior.
• Experiment, test and measure ideas, turning hypotheses into provable improvements.
• Collaborate with Product and Business to understand user behaviour and priorities.

Skills

8+ years experience

React & TS/JS

User-facing web products

Web performance & architecture

UX sensitivity

Backend autonomy

APIs & Python

Data-driven mindset

Ambiguity tolerance

Product & business awareness

Effective communication

Fluent FR & EN

Tools

Gatsby

Python

MongoDB

Redis

MySQL

DynamoDB

Looker

AWS

CircleCI

Claude Code

Job description

Dolead in Paris is seeking a Senior Full-Stack Engineer to join the Perfect User Journey squad. You will design and build features across the stack, from React interfaces to Python services, with a strong emphasis on UX and experimentation.

You will collaborate closely with Product and Business to improve conversion and engagement while delivering end-to-end solutions. The role is hybrid in Paris, reporting into the Engineering Team Lead.