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Fullstack Developer / Backend Developer
in AdTech Holding
3 000 — 3 800 €/month net
Technologies / Tools
AdTech Holding is an Innovation hub based in Cyprus that creates vibrant startup ecosystems and technologies for AdTech & MarTech projects.
Since 2011, AdTech Holding has been a starting point for an array of industry-leading advertising and digital marketing companies (Notix, PropellerAds, Zeydoo, Adex). Holding brings the most daring ideas to the market and creates cutting-edge solutions to deliver technology globally.
We handle millions of requests per second — this is our routine norm, not the limit. We have more than 1000 servers with microservices. High-load, big data, and machine learning are not just trendy words for us, they are our daily reality.
We are looking for a Fullstack/Backend Developer in Business Security Team. We are looking for a future colleague for our office in Serbia (Belgrade). We assist with relocation, including moving the family.
You will have to participate in the development and maintenance of tools for
- Moderation of advertising campaigns.
- Moderation of advertising platforms.
- Fighting fraud in advertising traffic (anti-fraud).
- Analysis of the advertising feed on the market.
Requirements
- Good knowledge of PHP >=7 (including debugging).
- Experience with pure JavaScript.
- Minimal knowledge in Golang and a desire to develop in this direction.
- Commercial PHP development experience over the last 2 years.
- Experience with modern PHP frameworks (Symfony/Yii) and Doctrine ORM.
- Knowledge of the basics of database theory and experience with MySQL.
- Ability to write complex plain SQL queries.
- Understanding of the principles of HTTP, TCP, UDP, DNS, TLS protocols, etc.
- Experience in database structure design.
- Experience with Redis (Caching, distributed locks).
- Experience with RabbitMQ or other AMQP implementations.
- Experience with Docker or LXD.
We offer
Freedom of choice:
- With us, you'd have a cafeteria benefits system where you can choose which benefits would fit your individual needs, starting with airline tickets and ending with payment for kindergarten or school.
And, of course, a standard pack of benefits as well:
- Health insurance, fully covered 10 working days of sick leave per year, 5 additional day-offs per year, English and other languages' compensation, quartile, and annual bonuses, corporate events, gifts, also food (yummy!) — you can find snacks in our worldwide working spaces and breakfasts & lunches in the offices.

About company AdTech Holding
What is Adtech Holding?
AdTech Holding is an Innovation hub based in Cyprus, which creates vibrant startup ecosystems and technologies for AdTech & MarTech projects. Since 2011, AdTech Holding has been a starting point for an array of industry leading advertising and digital marketing companies. Holding brings the most daring ideas to the market and creates cutting-edge solutions to deliver technology on a global scale.
Mission
Delivering pioneering technologies for the global MarTech industry by combining the most innovative and diverse talent with groundbreaking applied AI, expert systems, and scaled data science.
Highlights
- 1.2B Monthly Audience of Projects.
- 12 Years of Experience.
- 20+ Industry Awards.
- 500+ Experts On Board.
Join Our Team and Ignite Your Career!
At AdTech Holding, we're not just looking for employees; we're seeking a dynamic individual ready to embark on a journey of innovation and growth. Apply now and let's shape the future together!