Senior Technical Account Manager

Sparteo is an independent suite of AI-powered advertising technologies built on sustainable, sovereign infrastructure.
Since 2018, we've been reshaping programmatic advertising to make it faster, more transparent, and more profitable by building the most direct path between publishers and advertisers.

But we don't stop here: wherever attention lives, on the web, in apps, on CTV, and beyond,
our mission is to monetize audiences
, across every device. Our data-driven tech delivers
30% higher revenues
for our clients on average than traditional solutions.

Our Solutions:

→ Actirise: the display tech designed for performance

→ FastCMP: the consent management platform specifically designed for business purposes

→ Meetscale: the most advanced SSP for Publishers and Ad Networks

→ Viously: the ultimate all-in-one video tech solution

→ Voxeus: the audio distribution and monetization technology

Behind Sparteo's growth is a team of 100+ talents across 11 countries, united by a shared ambition to redefine the future of digital advertising.

Our dedication has placed Sparteo among the most dynamic tech players in Europe:

• FT1000 ranking – Among the fastest-growing European companies in 2024 & 2025
• The Europas – Featured in the list of 100 hottest startups
• Pixalate Ranking – #1 Web SSP in France with our Actirise solution, overtaking Google AdExchange

These milestones are just the result. What truly sets us apart is how we work: at Sparteo, we don't settle, we act.

• We are Drivers, not passengers: We take the wheel and own our results.
• We are data-obsessed: Facts guide us, not assumptions, not egos.
• We think as one: Collective goals come before personal wins.
• We trade off: We simplify, prioritize, and go for high-impact results.
• We solve problems: We own challenges and turn ideas into action.
• We say what we do: Radical transparency is how we grow, no fluff, no hiding

Discover our journey, products, and culture on our website

Your Job

Your mission is to
orchestrate the technical excellence
of our partnerships. You act as the strategic bridge between Business, Clients, and Tech/Product teams. You will lead complex integrations from A to Z, resolve critical technical challenges, and structure our internal knowledge to scale our operations globally.

To specify

• Lead Technical Integration & Onboarding

• End-to-End Orchestration: Manage the full lifecycle of technical integration for new clients, ensuring strict adherence to specifications and timelines.

• Expert Guidance: Act as the technical authority during client meetings, translating complex Adtech specifications into clear, actionable steps for publishers.

• Performance Monitoring: Ensure precise monitoring during trial periods, collaborating with internal teams to guarantee immediate ROI and client satisfaction.

• Advanced Troubleshooting & Incident Management

• Problem Resolution: Analyze and quickly resolve technical incidents (configuration errors, display bugs, cumulative layout shift, etc.) without immediate reliance on developers.

• Bug Qualification: Qualify, reproduce, and accurately document complex unresolved issues to transfer actionable data to the R&D teams.

• Technical Auditing & Solution Design

• Environment Analysis: Conduct deep-dive audits of prospects' existing technical stacks (websites, apps, JS frameworks) to identify integration challenges and growth opportunities.

• Feasibility Studies: Validate the technical compatibility of our solutions with the client's ecosystem before launch.

• Process Optimization & Knowledge Building

• Documentation: Leverage encountered use cases to write documentation and "Playbooks," building a robust internal knowledge base.

• Continuous Improvement: Identify gaps or inefficiencies in the team's workflow and implement reliable processes to streamline operations.

Your profile for this job

• 5+ years of experience in Technical Account Management or Solutions Engineering.
• Strong background in Adtech (SSP, DSP, Programmatic partnerships) is highly preferred.
• A formal technical education (CS degree, engineering school) or equivalent rigorous technical training is required.
• Web Technologies: Mastery of HTML, CSS, JavaScript, and deep familiarity with browser debugging tools (Chrome DevTools).
• Web Performance: Strong understanding of Core Web Vitals (CLS, LCP, FID) and their direct impact on monetization.
• Consent Ecosystem: Solid familiarity with Consent Management Platforms (CMP) and privacy standards like TCF v2.2+.
• Bilingual: Fluent in English and French (written and spoken).
• Agile: Thrive in autonomous, fast-moving, and cross-functional environments.

Your mind set to share our adventure

• You want to make an impact and move things forward collectively. Does hearing phrases like "Yes, but we've been doing it this way for years..." make your hair stand on end? We feel the same way: progress is made by questioning what already exists.
• You solve problems pragmatically and analytically.
• You're looking for a fast-moving environment where your agility will be an asset. The Pareto) principle holds no secrets for you.
• Your ability to listen encourages you to challenge and improve yourself on an ongoing basis.

Benefits & Work Environment

• Dynamic Remote Culture: At Sparteo, we embrace a flexible work environment that adapts to your lifestyle, allowing you to contribute from wherever you feel most productive, be it from home or our urban offices in Paris, Lille, or London.
• Close-knit Team: Be part of our dynamic and united team, where collaboration, innovation, and mutual support drive our collective success and create a thriving work environment.
• Vibrant Social Events: Engage in regular social gatherings and company events that foster community and celebrate our milestones.
• Rapid Growth: Experience the excitement of working with a company in rapid expansion mode, impacting the advertising technology landscape across Europe and beyond.
• Tailored Support: We provide robust career development support, including training programs, career check-ins with HR, opportunities for internal mobility, and performance feedback sessions conducted quarterly or semi-annually, depending on your role.
• RTT Days: We support work-life balance with additional rest days (RTT), provided based on position and tenure, empowering you to recharge and enjoy life outside of work.
• Comprehensive Health and pension plans: We provide a robust health benefits plan, ensuring you and your family are covered and cared for.

• Additional Perks:

• Benefit from the Swile card for meals.

• Partial reimbursement of public transit passes.

Ready to join Team Sparteo? Send us your CV and continue the recruitment process
Here are the stages in our recruitment process

• Discussions about your driving forces, your ambitions and our Sparteo mindset will be held with a member of our Talent Acquisition team.
• Analytical and business logic tests
• Discussions with one or more members of the Sparteo team, including your future manager
• Taking up references

Our recruitment process is mainly conducted by videoconference; however, certain stages may require a face-to-face meeting.