Offre d'emploi chez Numendo - Ingénieur d'affaires et Business Developer

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Senior Business Developer (M/F)

About Numendo

Numendo is a consulting firm specializing in omnichannel strategies, supporting companies in the design and integration of digital solutions built to deliver a seamless, unified customer experience.

Our role: harmoniously orchestrate data, user journeys, and systems to create consistent, high-performing architectures. Thanks to our dual business and technical expertise, we help our clients conceptualize, prototype, and scale their web and mobile applications, serving simple, efficient, and connected user journeys.

We rely on our proprietary IRO method—Imagine, Realize, Optimize—to support major accounts through their digital transformation.

Joining Numendo means becoming part of a human-sized team where innovation, business impact, and collaboration are at the heart of every mission.

Your role: develop, retain, support

As an experienced or senior Business Manager, you will play a strategic role in the commercial and human growth of Numendo. You serve as the key point of contact between our clients, consultants, and management.

Your missions as a Business Developer:

  • Deploy our commercial strategy and build a portfolio of key account clients;
  • Prospect new clients through targeted actions: cold calling, networking, referrals, inbound/outbound leads;
  • Qualify business and technical needs to deliver relevant, high-value solutions;
  • Build, maintain, and develop long-term relationships with your clients and consultants;
  • Oversee projects and guarantee high-quality support throughout each engagement;
  • Recruit, manage, and retain consultants (developers, project managers, tech experts, etc.);
  • Provide regular reporting on your activities and achieve your targets.

You act simultaneously as a business developer, account manager, and people partner.

Your expertise

Hard skills:

  • Proven experience as a Business Manager / Account Manager in an IT consulting firm or IT service provider (ESN);
  • Solid digital culture and strong interest in technical topics (IT, web, mobile, omnichannel);
  • Mastery of commercial prospecting techniques;
  • Experience managing key corporate accounts;
  • Strong understanding of complex B2B sales cycles;
  • Ability to qualify technical and business requirements;
  • Experience recruiting technical talent;
  • Mastery of engagement management and consultant-client oversight;
  • Strong written communication skills (commercial proposals, contract frameworks, reporting).

Soft skills:

  • Excellent interpersonal and networking skills;
  • Strong persuasive ability and negotiation skills;
  • Active listening, empathy, and relational intelligence;
  • Perseverance, resilience, and a drive for challenge;
  • Analytical mindset and synthesis skills;
  • Organizational skills, autonomy, and priority management;
  • Team player mindset with a passion for sharing knowledge;
  • Genuine curiosity for tech and digital trends;
  • Flawless professional posture and high ethical standards.

Heading for Growth

Bring your expertise to tackle strategic challenges and build lasting relationships. We look forward to discussing your vision of business development.

LET'S DISCUSS THE ROLE

Why join us?

Because you want to:

  • Join a human-sized company where your ideas and initiatives truly matter;
  • Grow in a dynamic, passionate, and supportive environment;
  • Work with key accounts on high-value projects;
  • Benefit from a flexible work arrangement (remote options based on assignments);
  • Take part in internal NumEvents and Meetups that foster knowledge sharing, innovation, and team cohesion;
  • Join a CSR-committed company, awarded the Ecovadis Silver label for the 3rd consecutive year.

Perks & benefits for employees

  • Meal vouchers (50%+ company contribution)
  • RoadMate card to support sustainable mobility
  • Active Works Council (CSE) + “Place des salariés” benefits platform

Key details

  • Full-time permanent contract (CDI)
  • Offices located in the heart of Paris 8th (close to Saint-Lazare)
  • Tailored onboarding and ongoing HR & Tech support throughout your career

Additional information

This position is open to all applicants without distinction and is accessible to people with disabilities.

The use of the masculine gender is intended solely to streamline reading and carries no discriminatory intent.

Working with Numendo means sharing a common ambition: transforming digital into a lever for sustainable success.

Our work

Want to know more about our tech stack, our approach, and client needs? Dive into our client references to see how our quality standards are applied in the field.

Discover our client references
Pour les entreprises

Our values

Joining Numendo means entering a collective passionate about tech, design, and sustainable impact. We value autonomy, skill development, and quality of life at work.

Discover our company culture
la culture d entreprise Numendo

Numendo Paris Agency

48 Rue de la Bienfaisance
75008 Paris

Our Paris agency supports brands and key accounts with their most strategic digital projects.

Located just 10 minutes from Saint-Lazare station and steps from the Miromesnil metro, it brings together our experts in consulting, e-commerce, product data, and omnichannel architecture.

Numendo Paris embodies the perfect synergy of strategic vision, technical expertise, and client proximity.

Be part of the adventure
Numendo Paris

Joining Numendo Paris means joining an innovation hub where technical excellence meets an entrepreneurial spirit. A stimulating environment to drive world-class strategic projects right in the heart of the capital.

Numendo Mulhouse Agency

2a Av. Auguste Wicky
68100 Mulhouse

The Mulhouse agency is our technical center of excellence dedicated to the performance of your business platforms.

Located in the heart of Alsace, steps from the Mulhouse train station and in close proximity to Germany and Switzerland, our office is home to a community of passionate experts focused on innovation and code robustness.

It embodies the group’s technological powerhouse, capable of building highly complex B2B and industrial ecosystems.

Be part of the adventure
Numendo Mulhouse

Thriving in Mulhouse means joining a historic hub where a passion for technology and team spirit take center stage. <br>A human-scale environment ideal for tackling large-scale industrial and technical challenges.

Numendo Genève Agency

Rue du Marché 5,
1204 Genève

Our Geneva agency combines a culture of precision with digital expertise to elevate your projects in Switzerland and internationally.

Ideally located in the very heart of Geneva, it offers a premium work environment to support the data transformation of the most demanding businesses.

Geneva is our dedicated hub for structuring product information and deploying agile and scalable e-commerce strategies, primarily within the luxury and finance sectors.

Be part of the adventure
Numendo Geneva

Being part of the Geneva team means cultivating high standards and precision to deliver high-performing, sustainable digital solutions.<br>An exceptional work environment to transform the future of product data and Swiss e-commerce.