Hybrid Senior C++ Engineer

at Tracify GmbH

• Job title: Senior C++ Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: C++, Docker, NoSQL, Python, Redis, SQL
• Location requirements: Hybrid, Munchen, Germany

About the role

• C++ Engineer working on enhancing data pipelines and developing ML models for E-Commerce startup. Collaborating closely with various tech teams to optimize performance and security.

Responsibilities

• Expand and optimize our central data pipelines (AnalyticsCore) with new functionality and improved performance
• Implement machine learning–based attribution models and custom user-matching methods (e.g., clustering, graph-based approaches)
• Integrate new identifiers (e.g., device/browser fingerprinting) and additional data sources for holistic tracking
• Build and maintain unit tests for robust, high-quality code coverage, including edge-case scenarios
• Identify and resolve architectural bottlenecks, performance issues, and security vulnerabilities
• Conduct performance evaluations using tools like Google Orbit to monitor and optimize system efficiency
• Collaborate closely with backend, product, and data science teams to deliver enhanced features and data integrations
• Develop analysis tools and documentation to support the customer success team and for technical troubleshooting
• Evolve and expand our bot framework (TracyBots) with advanced algorithms (e.g., dynamic bidding, predictive performance models)
• Develop new advanced bots based on machine learning (e.g., reinforcement-learning-based bots)
• Assist with migrating legacy systems to the new AnalyticsCore infrastructure

Requirements

• At least 2 years of experience in modern C++ development (C++17/C++20) with a focus on performance and multithreading
• Solid understanding of Python, data processing, and fundamentals of machine learning
• Practical experience with Boost, ClickHouse C++ client, SQLPP11, redis++, nlohmann::json, or similar libraries
• Experience integrating SQL/NoSQL databases and working with APIs for large-scale data processing
• Strong unit testing skills and experience with CI/CD pipelines (e.g., GitHub Actions, Docker)
• Ability to optimize existing systems, identify architectural improvements, and debug complex problems
• Independent working style while being confident collaborating with cross-functional teams

Benefits

• Flexible work model with flexible working hours – enjoy the benefits of remote work and in-person collaboration at our Munich office