Tech Lead (f/m/d)

Навыки

• Android
• API (интеграции)
• Атрибуция
• AWS
• Azure
• Cassandra / Scylla
• Data Lake

О компании и продукте

• adjoe builds the technologies behind mobile apps growth and monetization. With our core product Playtime Arcade, we've become the global leader in rewarded advertising, an ad unit built on a simple premise: users earn real in-app rewards for engaging with new apps. The result is one of the most effective value exchanges in adtech, connecting advertisers and publishers with over 770 million users annually
• At adjoe, we define our platform through trust and proactive engineering. We build high-performance defenses that guarantee accurate reward attribution, ensuring every interaction is authentic. This creates a sustainable value exchange that empowers our partners to grow with confidence. The Anti-Fraud team develops systems that detect and prevent malicious activity at scale. Our custom Android and iOS SDKs analyze device integrity for modifications like Xposed frameworks, Magisk modules, and jailbroken devices. Supporting these, Go microservices and DynamoDB deliver millisecond-level responses, while Kafka and SQS process billions of daily events in real time. This infrastructure protects publisher margins and ensures a trustworthy platform for all users. Your Mission & Who We Are Looking For
• Your mission is to establish reliable asynchronous microservice communication, collect billions of daily API events, and aggregate them in Kafka streams so they can be queried from our data lake in a matter of seconds

Задачи

• Ensuring Authenticity for Billions of Daily Rewards
• Industry reports suggest 25 percent of global mobile ad spend is lost to fraudulent activities like click farms, fake installs, SDK spoofing, and emulator farms
• You will maintain our microservices architecture and scale the platform beyond hundreds of millions of monthly active users using cloud infrastructures like AWS, Azure, or Google Cloud
• You will deploy this knowledge to optimize our database layer, ensuring we consistently deliver few-millisecond response times to block fraudulent transactions in real time
• You will lead our backend engineers, establish high engineering standards, and run peer code reviews to foster alignment across our international team
• Adversarial Fraud Investigation: You think like a hacker and naturally find ways around systems that block your progress
• You will investigate novel fraud complaints, collaborate with mobile developers to reproduce exploits or cheats, and continuously improve our systems to counter evolving Android and iOS threats

Требования

• Architecting High-Scale Go Microservices: You have several years of experience as a software architect or senior software developer with outstanding Go expertise in professional backend environments
• Event-Driven Pipeline Engineering: You have experience building event-driven systems using Kafka and SQS/SNS
• Low-Latency NoSQL Database Design: You bring extensive experience with large-scale key-value databases such as DynamoDB, Cassandra, or ScyllaDB
• Technical and People Leadership: You have a proven track record of managing people, mentoring developers, and setting technical direction in fast-changing environments

Будет плюсом

• Plus: Mobile Development Fundamentals: Basic knowledge of Android or iOS development is a plus
• This understanding will help you collaborate with mobile engineers to analyze device integrity modifications like Xposed frameworks, Magisk modules, and jailbroken devices

Условия

• At adjoe, you’re not here to just close JIRA tickets, you’re helping build the infrastructure behind one of the most impactful platforms in adtech
• The systems you work on will reach hundreds of millions of users and power billions of decisions every day
• Go Big. Own projects with impact on 770M users and push adtech boundaries
• Move Fast. Ship solutions multiple times a day, learn from results, and keep momentum
• Be Direct. Solve problems openly and collaborate across teams
• Thrive Together. Grow with a diverse, global team of people from over 40 different countries that learn from each other
• Have Fun. Celebrate wins, enjoy daily victories, and bring your energy
• We welcome applications from people who will contribute to the diversity of our company
• We welcome applications from talent worldwide and provide relocation support to Hamburg, Germany for those ready to join our team

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