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Lead Ad Tech

On-site in Barcelona·Added 2 days ago (last checked 3 Nov)

Titan OS

20 open roles

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Our summary

Work mode: On-site, Barcelona
English: Required
Experience: 5+ years
Benefits: Private health insurance

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Skills

Nice to have

Requirements

What we're looking for

5+ years of experience as a software engineer, full stack with a strong backend focus.
Solid production experience with Ruby on Rails and Go.
2+ years leading an engineering team (tech lead or engineering manager), accountable for people and delivery.
Experience designing APIs and high-performance, low-latency distributed systems.
Strong knowledge of relational databases (PostgreSQL or MySQL) and caching/queueing (Redis, Kafka, SQS or similar).
Experience with cloud (ideally AWS), containers and observability practices.
Enough modern frontend knowledge (JavaScript/TypeScript, React or similar) to contribute and review code.
Fluent English, spoken and written; it is our working language.

Nice to have

Ad-tech experience: ad servers, SSPs/DSPs, header bidding or real-time bidding.
Knowledge of IAB standards: OpenRTB, VAST/VMAP, TCF v2 and GPP.
Experience in CTV, OTT or FAST, including server-side ad insertion (SSAI).
Familiarity with identity and ad measurement solutions in cookieless environments.
Experience with large-scale data pipelines and reporting.
Spanish, to collaborate with part of the team.

Pay & benefits

What you'll get

Centrally located office in the heart of Barcelona, with public transportation nearby
Competitive compensation
Private health insurance
Friendly, diverse, and international work environment
Opportunity to work outside of your comfort zone and develop professionally in an exciting and fast-growing CTV industry.
Change the future of TV! A unique opportunity to join a well-funded, high-growth company in the early stages to help shape a product/business that will impact millions.

The role

This is a full-stack role with a strong backend focus (Ruby on Rails and Go), combining architecture design, hands-on development and people management.

You will work closely with Product, Data, Ad Operations and Sales to turn business needs into scalable, reliable systems that comply with European regulation (GDPR, IAB TCF).

What you'll do

Team leadership

Lead, mentor and grow a team of engineers, including 1:1s, continuous feedback and career development.
Take part in hiring and onboarding new team members.
Define and uphold engineering practices: code review, testing, CI/CD, documentation and on-call.
Plan and prioritise the team's work with Product, balancing roadmap, technical debt and operations.

Technology and architecture

Design and evolve the services in the advertising stack: ad serving, programmatic integrations (OpenRTB, SSPs/DSPs), ad insertion (VAST/VMAP, SSAI) and reporting.
Build hands-on, mainly in Ruby on Rails and Go, and contribute to the frontend when needed.
Ensure performance, low latency and high availability of high-traffic services.
Make sure systems comply with GDPR and the IAB TCF in how consent and identity are handled.
Make and document technical decisions, and act as the Ad-Tech reference for other engineering teams.

Hiring process

If you're excited about this position, don't hesitate to apply. We're waiting for you to join us! And if you want to know more about us, follow us on LinkedIn!

About Titan OS

Titan OS is an advertising technology (AdTech) company that develops a connected TV (CTV) operating system and platform, enabling advertisers to deliver and manage campaigns on smart TVs. The company operates at the intersection of software and media, providing a full-stack solution that includes device firmware, a backend platform, and data-driven advertising tools.

In Spain, Titan OS is headquartered in Barcelona, which serves as the company's main European hub. The Barcelona office is a key engineering center, housing a significant portion of the company's product and engineering teams, making it a relevant destination for international tech professionals. The work culture is described as fast-paced and product-focused, with a strong emphasis on technical excellence and ownership, and the team communicates in English, making it accessible for international hires.

Industry: AdTech
Founded: 2012
Employees: 100–500
Headquarters: Barcelona, Spain
In Spain: Barcelona

Good to know if you are moving

Barcelona is the company's main engineering hub outside of its founding market, with a large concentration of product and engineering roles.
The company's working language is English, making it accessible for international professionals without requiring Spanish fluency.
The company offers a modern tech stack (Go, Ruby on Rails, React) and the opportunity to work on connected TV (CTV) firmware and backend systems.
The Barcelona office is located in a prime tech hub with a strong international talent pool and a high quality of life.
The company is at the forefront of the CTV/AdTech space, a rapidly growing sector within digital advertising.

In their own words

About the company & team

Titan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you!

Our platform combines content discovery and advertising technology in one solution, helping leading TV brands unlock greater value. Titan OS powers devices from major brands including Philips, AOC and JVC, reaching millions of viewers across Europe and LATAM. Titan OS is also powering free premium FAST Channels on selected SONY Android TVs.

Over the last two years, Titan OS has grown revenue 10x and attracted leading investors, including Highland Europe and Mangrove.

At TitanOS, we live by three core values:

Make things happen - We take ownership, move fast, and deliver impact
No ego - We collaborate with respect and humility to reach shared goals
Show genuine passion - We love what we do and never stop learning

Culture and environment are at the heart of our ethos. If the above resonates with you, keep reading because we believe you could be a perfect addition to our incredible team!

All open roles at Titan OS