(Senior) Account Manager

rtbhouse; Barcelona; Hybrid; EUR 40,000 - 65,000; Full time

Benefits offered by this job

Meal vouchers

Co-working space option

Flexible working arrangements

Job summary

RTB House, a leading DSP with a global footprint, is seeking an experienced Client Success Manager to manage a portfolio of client accounts in Spain. The role focuses on building trusted advisor relationships with major brands, designing data-driven campaign strategies, and ensuring premium service across Madrid or Barcelona.

You will collaborate with ADTech clients, monitor performance, and drive cross-sell opportunities while maintaining strong client satisfaction and timely communications.

Qualifications

• 5+ years of experience in digital advertising in client-facing roles.
• Preferably experience in AdTech, advertiser or agency.
• Bachelor's degree or similar.
• Strong commercial acumen and English/Spanish proficiency.

Responsibilities

• Manage a portfolio of client accounts.
• Coordinate with top brands in Spain.
• Meet clients face-to-face regularly to ensure premium service.
• Create campaign strategies based on data analysis and client needs.
• Monitor campaign margins and scaling opportunities.
• Respond to client inquiries in a timely, professional manner.
• Provide regular campaign status reports and optimization ideas to the manager.
• Maintain long-term client relationships and ensure customer success.
• Explain company services and products to customers.
• Assist clients in launching ad campaigns and processing orders.

Skills

Digital advertising

Client facing

Commercial acumen

Analytical thinking

Communication skills

Spanish & English

Education

Bachelor's degree

Tools

MS Office

Google Workspace

Job description

Location: Spain, Madrid or Barcelona

We Are:

RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel.

Founded in 2012 and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients.

In 2026, RTB House launched rtb.com, a self-service platform specifically designed to allow small and medium-sized businesses and agencies to deploy auto-built creatives and maximize performance on any budget.

Our Spanish team consists of 25 people and is an integral part of our company's EMEA presence. We combine local expertise with our broader company vision, ensuring innovative solutions that align with diverse market needs.

Why RTB House?

If you are looking for a place where you can excel at developing relationships with your client base by becoming their trusted advisor and most valued vendor, then RTB House might be the right fit for you.

You Will:

• Manage a portfolio of client accounts;
• Cooperate with the largest brands from the market in Spain;
• Meet clients face-to-face regularly to ensure premium customer service;
• Create campaign strategies in a variety of industries based on data analysis, your own creativity and client needs;
• Adhere to the company goals related to campaign management (i.e. keep an eye on campaign margin and scale);
• Respond to customer requests and inquiries in a professional and timely manner;
• Regularly report campaign status for the largest clients and provide improvement ideas to the direct manager in terms of cross sell & upsell;
• Take care of customer success and long-term relationship;
• Provide specific information regarding company's services and products;
• Assist customers in the process of launching ad campaigns;
• Obtain, review and process orders; ensure timely payments for our services.

Desired Experience:

• Experience (5+ years) in digital advertising in client facing roles;
• Preferably experience working in AdTech, advertiser or agency (online area), both on performance and awareness campaigns;
• Bachelor's degree or similar;
• Strong commercial acumen;
• Interest in digital marketing/e-commerce;
• Working experience with MS Office and Google Workspace;
• Knowledge of customer support tools and processes;
• Ability to identify and understand customer needs and requirements;
• Excellent analytical and problem-solving skills;
• Well-developed verbal and written communication skills;
• Multi-tasking, high level of energy, resourcefulness;
• High level of motivation and willingness to learn;
• Positive, can-do attitude;
• Proficiency in Spanish and advanced command of English (C1 level)

We Offer:

• A unique opportunity to join a creative, dynamic company in online advertising! Founded in 2012, the RTB House team comprises 1000+ specialists in over 30 locations around the world. It serves more than 3,000 campaigns for clients across the EMEA, APAC, and Americas regions;
• Competitive salary plus bonus scheme and personal development budgets;
• Flexible working arrangements ensuring a real work-life balance;
• Meal vouchers with a daily allowance;
• Option to work from a co-working space in Madrid or Barcelona at any time;
• An amazing onboarding process to make sure you are equipped with all the necessary knowledge and tools to excel;
• Numerous opportunities to build your own path of self-development;
• Unique learning opportunities from commercial and HQ business support teams;
• Team building events and trips away! Work in a truly international environment with dynamic people in one of the fastest-growing segments of online advertising!