KONCRETE

About the Company

Koncrete révolutionne l’Achat et la Gestion des Matériaux et Déblais de construction. Grâce à notre plateforme, les professionnels du BTP créent leur devis en quelques clics, identifient la meilleure offre au meilleur prix et se font livrer en 24/48h. Notre application offre également un accès direct à un compte PRO chez nos 2500+ fournisseurs référencés dans toute la France, leur permettant de gérer facilement leurs factures, bons de livraison et encours. En somme, Koncrete apporte transparence, rapidité et simplicité sur le 2ème marché en volume vendu après l’eau. Pour les fournisseurs et transporteurs, Koncrete propose une plateforme parfaitement intégrée aux processus en place, devenant ainsi un puissant apporteur d'affaires. Enfin, nous sommes déterminés à réduire l'impact écologique du secteur en mettant en avant les producteurs locaux pour réduire les distances parcourues, en optimisant la logistique pour minimiser les trajets à vide et en encourageant l'utilisation de matériaux recyclés dès que possible. Ensemble, nous pouvons contribuer à un avenir plus durable pour l'industrie de la construction. En 1 an et demi de commercialisation, Koncrete c’est : 350+ chantiers livrés (dont le Village Olympique, un chantier du Grand Paris, etc)  8000+ demande de devis 20 000+ tonnes vendues Mais aussi :  1er prix du Startup Challenge (Seattle, USA)  Incubateur : emlyon business school  Accélérateur : Wilco #Construtech  Partenaires : BPI France & Région Île-de-France

Listed Jobs

Company Name

KONCRETE

Job Title

[CDI] Commercial / Sales / Business Developer H/F

Job Description

**Job Title:** Commercial / Sales / Business Development Representative **Role Summary:** Serve as the primary contact for construction professionals, driving rapid B2B sales of material delivery and waste removal services. Manage short‑cycle sales processes, qualify inbound leads, close deals, and nurture an active client portfolio. Act as the voice of a digital marketplace that connects site managers with suppliers, providing value‑driven solutions. **Expectations:** - Close sales within short cycles (typically under 7 days). - Maintain a disciplined, digital‑first approach to pipeline management. - Deliver persuasive, concise communication to time‑pressed decision‑makers. - Continuously refine sales scripts, tools, and processes to improve conversion rates. **Key Responsibilities:** - Respond promptly to inbound leads (quote requests, calls, referrals). - Qualify leads by assessing material needs, location, site constraints, and specific client expectations. - Manage and prioritize the sales pipeline using Brevo (or equivalent CRM). - Close deals and account for focused regional/client portfolios. - Represent the company across varied stakeholder levels (site managers, buyers, executives). - Collaborate on ongoing improvements to scripts, digital tools, and sales workflows. **Required Skills:** - Proven experience in B2B sales, SDR, or client management (internship, contract, or full‑time). - Strong telephone and virtual presentation skills. - Ability to engage diverse profiles quickly under pressure. - Structured, meticulous, and comfortable with digital sales tools. - Curiosity about construction site operations and tangible impact. **Required Education & Certifications:** - Minimum of a bachelor’s degree (any field) or equivalent professional experience. - Certifications in sales methodology or customer relationship management considered an advantage.

Paris, France

Hybrid

17-12-2025

Company Name

KONCRETE

Job Title

Product Builder - Développeur no-code Bubble H/F (H/F)

Job Description

**Job Title** Product Builder / No-code Bubble Developer (H/F) **Role Summary** Lead low‑code product development for a ConstructTech startup. Build, iterate, and scale web application features, automate internal flows, gather user insights, and drive decisions with data dashboards. **Expectations** - Deliver fast, high‑impact solutions using low‑code/no‑code tools. - Collaborate closely with the CTO and product team. - Champion continuous improvement of the user experience. - Own the full product cycle from conception to launch. **Key Responsibilities** - Design, develop, and test core web application features using Bubble, Retool, Make, Airtable, and other low‑code platforms. - Automate internal processes and partner integrations to increase efficiency. - Conduct user interviews, usability tests, and synthesize feedback to prioritize feature backlog. - Create and maintain dashboards that track essential KPIs. - Use data insights to inform product decisions and measure impact of changes. - Iterate swiftly on product releases, ensuring alignment with business goals. **Required Skills** - Expertise in low‑code/no‑code platforms (Bubble, Retool, Make, Airtable). - Strong understanding of web application architecture and user experience design. - Experience with automation workflows and API integrations. - Proficiency in data visualization and KPI tracking (e.g., dashboards, analytics tools). - Solid user research and testing capabilities. - Agile development mindset and ability to work in fast‑paced iterations. - Excellent written and verbal communication, with a collaborative team orientation. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Engineering, Product Management, or related field. - Professional experience or certifications in low‑code/no‑code development and agile product management preferred.

Paris, France

On site

06-01-2026

Company Name

KONCRETE

Job Title

[Stage] Développeur Full Stack H/F

Job Description

**Job Title**: Full Stack Developer Intern (F/M) **Role Summary**: Internship focused on developing and enhancing a web-based construction material procurement platform. The role involves full-stack development, technical design, bug fixing, integration, and automation, while collaborating closely with product, operations, and engineering teams. **Expactations**: - Deliver high‑quality code for both front‑end and back‑end components. - Participate in architecture discussions and contribute to technical decision‑making. - Automate operational processes and maintain integrations with partner tools. - Communicate regularly with cross‑functional teams to align on product priorities. - Continuously learn and adapt in a fast‑moving startup environment. **Key Responsibilities**: 1. Develop and improve core web application features (React/Next.js front‑end, Node.js/Express back‑end). 2. Design technical specifications for new features and refactor existing code. 3. Identify, troubleshoot, and resolve bugs; improve performance and maintainability. 4. Build and maintain integrations with internal systems and external partners via REST/GraphQL APIs. 5. Automate data flows, synchronization, and operational workflows. 6. Work with product, operations, and business teams to understand requirements and translate them into technical solutions. **Required Skills**: - Strong grasp of web development fundamentals (HTML, CSS, JavaScript/TypeScript). - Experience with modern front‑end frameworks (React, Next.js, or similar). - Knowledge of back‑end development (Node.js/Express or equivalent). - Familiarity with database systems (SQL or NoSQL). - Proficiency with version control (Git) and CI/CD pipelines. - Ability to write clean, testable code and follow coding best practices. - Problem‑solving mindset, self‑motivation, and quick learning ability. **Required Education & Certifications**: - Current student or recent graduate of an engineering school, university, or equivalent program in Computer Science, Software Engineering, or related field. - Solid foundation in web development concepts and tools. ---

Paris, France

Hybrid

03-02-2026