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Webyn

Webyn

www.webyn.ai

5 Jobs

28 Employees

About the Company

Webyn is the AI co-pilot dedicated to online conversions optimization, offering a complete solution to propel your website to success.

Our analytics tool provides an in-depth understanding of visitor behavior and detects friction points along the customer journey.
Our recommendation system suggests improvements to the user experience to correct these problems.
Finally, our experimentation tool enables you to validate these improvements at the click of a button and automatically test and personalize every aspect of the site, guaranteeing ongoing conversion optimization.

Webyn a été reconnue comme l'une des 100 start-ups européennes les plus prometteuses par VivaTech en 2025.

Listed Jobs

Company background Company brand
Company Name
Webyn
Job Title
Lead Developer Full Stack (Symfony & Angular/React)
Job Description
Job title: Lead Full Stack Developer (Symfony & React) Role Summary: Lead the design, development, and evolution of modern web platforms using React (TypeScript) on the front‑end and Symfony PHP (v8) on the back‑end. Drive architectural decisions, ensure code quality, mentor junior developers, and collaborate closely with the Tech Lead to deliver scalable, high‑performance solutions in an Agile environment. Expectations: - Minimum 5 years of professional web development experience, with at least 2 years in high‑growth startups or scale‑ups. - Proven expertise in React/TypeScript and Symfony/PHP, along with full‑stack architectural knowledge. - Strong commitment to clean code, automated testing, and design patterns. - Demonstrated ability to mentor and coach junior team members. - Self‑directed, proactive ownership of projects and initiatives. Key Responsibilities: - Design and implement scalable web applications using React, TypeScript, Symfony, PHP 8, and MySQL. - Architect technical solutions and author high‑quality, RESTful APIs. - Maintain rigorous testing practices (unit, integration, end‑to‑end). - Optimize application performance, scalability, and security. - Conduct code reviews and enforce coding standards across the team. - Mentor junior developers and support continuous learning. - Participate in Agile ceremonies (daily stand‑ups, sprint planning, retrospectives). - Collaborate with product and design teams to define technical roadmaps. - Manage deployment workflows with Docker, GitLab CI/CD, and GCP. - Document development work and contribute to process improvement initiatives. Required Skills: - Front‑end: React, TypeScript, modern JavaScript (ES6+). - Back‑end: Symfony 5/6, PHP 8, Doctrine ORM, RESTful API development. - Databases: MySQL (schema design, query optimization). - DevOps: Docker, GitLab CI/CD pipelines, basic GCP services. - Testing: PHPUnit, Jest, Cypress or equivalent. - Agile/Scrum methodology. - Familiarity with clean architecture, design patterns, and micro‑service principles. - Optional: Experience with UX/UI design collaboration, data‑centric product development. Required Education & Certifications: - Bachelor’s degree (or equivalent) in Computer Science, Software Engineering, or related field. - No mandatory certifications required; equivalent professional experience is acceptable.
Levallois-perret, France
Hybrid
Senior
11-02-2026
Company background Company brand
Company Name
Webyn
Job Title
Stage Developer Full Stack (Symfony & Angular/React)
Job Description
Job Title: Stage Developer Full Stack (Symfony & Angular/React) Role Summary: Full‑stack developer responsible for designing, developing, and evolving modern web applications using React (front‑end) and Symfony PHP (back‑end). Works closely with the Tech Lead in an agile environment, making key technical decisions, ensuring code quality, and mentoring junior developers. Expectations: - Strong competence in React and/or Symfony with a solid grasp of modern web architectures. - Ability to work autonomously, propose improvements, and take ownership of deliverables. - Collaborative mindset: engage in Agile ceremonies, share knowledge, and support colleagues. - Initiative to drive continuous improvement, performance optimization, and scalable solutions. - Bonus: Experience with DevOps (Docker, CI/CD), UX/UI sensitivity. Key Responsibilities: - Develop high‑quality, maintainable web applications in React/TypeScript and Symfony PHP 8. - Design and implement secure, performant RESTful APIs. - Participate in architecture discussions and roadmap planning with the Tech Lead. - Optimize application performance and scalability. - Mentor junior developers and oversee code reviews. - Attend daily stand‑ups, sprint planning, retrospectives, and other Agile rituals. - Ensure proper testing, documentation, and smooth deployment to production. - Contribute to CI/CD pipelines (GitLab) and containerization (Docker). - Uphold coding standards, perform refactoring, and enforce continuous integration best practices. Required Skills: - React (with TypeScript) or Symfony PHP 8 – strong proficiency. - Experience with REST API design and implementation. - Knowledge of MySQL database schema design and optimization. - Familiarity with GitLab, Docker, CI/CD pipelines. - Understanding of Agile/Scrum methodologies. - Strong problem‑solving skills and attention to code quality. - Excellent communication and teamwork abilities. - Self‑motivation and willingness to take initiative. Required Education & Certifications: - No specific degree or certification required; relevant experience in full‑stack web development is preferred.
Levallois-perret, France
On site
15-02-2026
Company background Company brand
Company Name
Webyn
Job Title
Account Executive
Job Description
**Job title:** Account Executive **Role Summary:** Lead and close high‑value enterprise SaaS deals with brands and e‑commerce retailers. Own the full sales cycle, from outbound prospecting to contract finalisation, delivering multi‑site, multi‑country agreements while managing complex stakeholder landscapes (Procurement, Legal, Security, IT, C‑Level). **Expactations:** - Deliver quarterly and annual revenue targets. - Build a predictable pipeline of qualified enterprise accounts. - Maintain 95 %+ pipeline hygiene in HubSpot (MEDDPICC, forecasting, risk scoring). - Collaborate cross‑functionally with founders, product, CRO/CSM to secure signatures and launch solutions. **Key Responsibilities:** - Develop and execute account plans for strategic enterprise portfolios. - Conduct multi‑threaded outreach: identify decision‑makers, influencers, and build coalitions across Digital, E‑Commerce, Product, Data, IT, Security, Legal, Procurement, and C‑Level. - Apply MEDDPICC to discover pains, business impact, buying criteria, procurement process, risk, timing, and sponsors. - Deliver compelling demos and value stories (ROI, quick wins, experimentation roadmap). - Drive the full sales cycle: action plans, next steps, mutual action plans, objection handling, negotiation, and closing. - Coordinate with internal teams to prepare post‑sale launch. - Keep CRM data clean and forecastable; update stages, risks, and close plans. - Contribute to sales enablement: refine pitches, battlecards, playbooks, and best‑practice documentation. **Required Skills:** - Proven senior AE experience closing enterprise SaaS deals (long cycle, multi‑stakeholder). - Expertise in account‑based prospecting, negotiation, and end‑to‑end sales management. - Structured approach using MEDDPICC, close plans, forecasting, and CRM discipline. - Strong verbal and written communication; ability to influence C‑Level stakeholders. - Autonomous, results‑driven, collaborative mindset. - Preferred: background in e‑commerce, retail, martech, CRO, UX analytics, or A/B testing. - Experience with multi‑country/multi‑site contracts and complex procurement processes. - Ability to quantify ROI (business cases, conversion gains, revenue uplift, payback). - Fluent English for negotiations and communications. **Required Education & Certifications:** - Bachelor’s degree in Business, Marketing, Engineering, or related field. - Certifications in SaaS sales, CRM (HubSpot, Salesforce) or sales methodology (optional but desirable).
Levallois-perret, France
Hybrid
16-02-2026
Company background Company brand
Company Name
Webyn
Job Title
Sales Development Representative (CDI)
Job Description
Job Title: Sales Development Representative (CDI) Role Summary: Lead outbound prospecting to generate qualified leads for Webyn’s SaaS e‑commerce optimization platform. Manage a robust pipeline, identify key decision‑makers, qualify prospects via email (30%) and phone (70%), and collaborate with the Head of Sales to hit monthly targets. Maintain accurate HubSpot data, share best‑practice insights, and support a high‑performance sales culture. Expactations: - Deliver a 90% outbound, 10% inbound prospecting mix. - Build and maintain a qualified pipeline that meets or exceeds monthly lead and qualification quotas. - Demonstrate autonomy, organization, and resilience in a fast‑moving startup environment. - Contribute to continuous improvement of processes and share learnings with the sales team. Key Responsibilities: 1. Identify and research potential accounts and target personas. 2. Qualify prospects via cold email campaigns (30%) and outbound calls (70%) using structured sales frameworks. 3. Present Webyn’s solutions, articulate value propositions, and handle objections. 4. Capture and update prospect information accurately in HubSpot CRM. 5. Work closely with the Head of Sales to refine lead qualification criteria and tactics. 6. Share insights, metrics, and best practices with the broader sales team. Required Skills: - Proven outbound sales experience (SaaS preferred). - Strong phone etiquette, scripting, and objection‑handling skills. - Excellent written communication for email outreach. - Proficiency with CRM systems (HubSpot). - Familiarity with sales methodologies such as BANT or MEDDICC. - Self‑motivated, resilient, and highly organized. - Bilingual in English & French a plus; speaking French or proficiency noted. Required Education & Certifications: - Bachelor’s degree or equivalent professional experience. - Certifications in sales methodology or SaaS sales highly desirable.
Levallois-perret, France
Hybrid
19-02-2026