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The English-language job board for Spain
Overview
Job details
Full-time hours
Per the ad.
Hybrid
Office and home days — the ad has the split.
Requirements
Have the right to work in Spain
Smadex doesn't mention sponsorship in the ad.
Work in English
English is required, per the ad.
Be near Barcelona for hybrid days
No relocation package mentioned.
Have 2+ years of experience
Mid-level role.
University degree
“A Bachelor's degree in Computer Science or a related technical field.” — per the ad.
Pay & benefits
What you'll get
- Integrate a highly motivated, young and dynamic team
- Great compensation package
- Top location at the heart of Barcelona with a rooftop terrace, Barbecue, and a fully stocked fridge
- Great work-life balance: work from home (2 days per week), flexible hours
- Meal vouchers - Ticket Restaurant monthly allowance
- Monthly gym allowance: Choose between DiR and Wellhub
- LinkedIn Learning and training opportunities
- Monthly TGIF events
- Regular team-building events
- Fun and friendly work environment with talented marketers and engineers from over 40 countries
- And more!
Visa & relocation
Please note that we do NOT provide VISA sponsorship. Candidates without a legal permit to work in Spain won't be considered.
Requirements
What we're looking for
- A Bachelor's degree in Computer Science or a related technical field.
- 2-4 years of experience in a software engineering role.
- Hands-on experience with Java or NodeJS.
- A solid theoretical foundation in data structures, algorithms, and software design principles.
- A genuine passion for technology and an eagerness to learn and grow professionally.
- Excellent communication skills in English (written and spoken).
- Proficiency with Linux, Git, Docker, and Docker-Compose.
- Experience with testing tools and modern CI/CD frameworks.
Nice to have
What Will Make You Stand Out (Bonus Points):
- Experience with Key-Value stores and in-memory databases (e.g. Redis, Memcached).
- Familiarity with cloud environments, particularly AWS.
The role
Smadex is a cutting-edge ad-tech company: we process more than 4,5 million ad requests per second, replying under 100ms (for reference, the Google search engine handles ~76,000 QPS). Every day we generate several TBs of data that need to be processed, analyzed and aggregated, so our real-time components get smarter every day. We need you to help us keep our platform in motion! If you are ready to boost your professional career in the tech world, this is your opportunity.
We're looking for a knowledgeable Software Engineer who is excited by complex technical challenges. Your success will be measured by your ability to deliver high-quality features, collaborate with the team, while sharing and applying your knowledge effectively.
What you'll do
You will dive into a dynamic environment, tackling short-cycle tasks across the core platform following a "you build it, you run it" philosophy. You will be expected to participate in code reviews, contribute to technical and architectural decisions, and collaborate in a fast-paced environment where every opinion counts.
- Feature Ownership: Design, develop, and implement new features for core products using NodeJS and Java.
- Quality Assurance: Write clean, efficient, testable code and thoroughly test work locally and in a sophisticated staging environment.
- Operational Excellence: Monitor deployments and help ensure the stability, reliability and performance of production systems.
- Agile Collaboration: Collaborate with the team in an agile environment, participating in planning and reporting on progress.
Our Tech Stack
- Languages: NodeJS, Java, Bash, Python
- Databases: MySQL
- Cloud & DevOps: AWS, Jenkins, Docker
- Tools: Git, Jira, Notion
About Smadex
Smadex is a Madrid-based advertising technology company specializing in programmatic mobile advertising and performance marketing. The company provides a demand-side platform (DSP) that enables advertisers to run targeted campaigns across mobile apps and web, with a strong focus on data-driven optimization and creative innovation. Smadex operates globally, with a team of over 100 professionals serving clients across Europe, the US, and other international markets.
Smadex's headquarters and main engineering hub are in Madrid, Spain, making it a key player in the local AdTech ecosystem. The company is known for its collaborative, data-centric culture and invests heavily in machine learning, data science, and creative technology. For international professionals, Smadex offers the opportunity to work in a fast-growing, global-facing company in the heart of Spain, with roles spanning engineering, data science, product, and creative strategy.
- Industry
- AdTech
- Founded
- 2011
- Employees
- 100–500
- Headquarters
- Madrid, Spain
- In Spain
- Madrid
- Website
- smadex.com
Good to know if you are moving
- Smadex is headquartered in Madrid, Spain, offering international professionals the chance to work in a vibrant European capital with a growing tech scene.
- The company operates globally, with clients and partners across Europe, the US, and Asia, providing exposure to international markets.
- Smadex focuses on data-driven advertising, making it an attractive employer for data scientists, machine learning engineers, and product managers.
- The company has a strong emphasis on creative technology, with roles like Creative Technologist and Game Developer for playable ads, offering unique opportunities in the AdTech space.
- Smadex is a mid-sized company, allowing employees to have a significant impact on products and processes.
In their own words
About the company & team
You will join our core engineering team, a collaborative group of 8 experienced engineers responsible for maintaining and evolving the real-time bidding (Open-RTB) auction system that powers our entire business. We foster a fast-paced, supportive environment where knowledge sharing is key. We value autonomy and will provide the platform for you to grow your career while solving complex engineering challenges.
Additional information
If you want to know more about us visit our websiteSmadex.com, and for a sneak peek of the cool stuff we build check thisvideo out! And, if you are ready to take your career to the next level and tackle engineering challenges at a global scale, we encourage you to apply!
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Visa Sponsor🇬🇧
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€70k - €90k
Blue Card threshold🇬🇧€45k - €65k
Blue Card threshold🇬🇧€20k - €25k
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