Senior C# Software Engineer (AdTech) Offline

We are seeking a highly skilled and experienced Senior C# Developer to join a distributed engineering team that is building a mission-critical analytics and data pipeline platform in the AdTech domain. This platform processes and analyzes large volumes of data to support real-time bidding, revenue optimization, and performance tracking for online publishers. 

As a Senior Developer, you will design and maintain Back-end microservices using C#, working with technologies such as PostgreSQL and Kubernetes to ensure high scalability and reliability. The platform supports both real-time and batch analytics, enabling precise, data-driven decision-making in a fast-moving industry. 

You will collaborate closely with the DevOps and Front-end teams to implement new data use cases and ensure efficient system performance. 

By joining this team, you will have the opportunity to: 

• Contribute to a high-load, real-time analytics platform in a data-intensive environment 
• Work with modern technologies and influence the Back-end architecture 
• Be part of a skilled and collaborative engineering culture 

Job Description

• Design and develop C# microservices for processing and enriching data 
• Implement scalable ingestion, retention, and aggregation logic
• Optimize performance (horizontal scaling, sharding) 
• Collaborate with DevOps and Front-end teams to support data-driven features 
• Maintain high system reliability and scalability 
• Own architecture and make tech decisions in a senior environment 

Qualifications

• 6+ years of Back-end development experience 
• Expert-level proficiency in C# and relational databases, especially PostgreSQL 
• Hands-on experience with Kubernetes and containerized deployments 
• Solid understanding of performance tuning, scalability, and data optimization in distributed systems 
• Experience of working with CI/CD pipelines (e.g., Jenkins) and OpenAPI standards 
• B2+ or higher level of English 

Would be a plus: 

• Experience with ClickHouse 
• Knowledge of AdTech domain 
• Familiarity with Prometheus and Grafana for monitoring and alerting