Job Overview
Location
Barcelona, Spain
Job Type
Full-time
Category
Software Engineering
Date Posted
May 23, 2026
Full Job Description
đź“‹ Description
- • Join Appodeal’s Barcelona team as a Senior Rust Engineer to build high-performance, real-time systems powering the Mobile Growth Platform.
- • Develop and maintain core backend infrastructure and ML platform components focused on low-latency, high-load services processing large-scale traffic in real time.
- • Work on in-house solutions including feature stores, user identity services, custom inference layers, and ML platform infrastructure.
- • Optimize system performance across on-premise Docker and Kubernetes environments to ensure scalability, reliability, and efficiency.
- • Design and implement solutions for traffic scaling and system reliability under demanding production conditions.
- • Collaborate closely with ML, data, and engineering teams to support production machine learning systems and ensure seamless integration.
- • Continuously improve system architecture, observability, and operational efficiency across the backend stack.
- • Contribute to the development of real-time applications that serve as the backbone of Appodeal’s AdTech platform.
- • Engage in system design, concurrency management, and performance optimization for mission-critical components handling massive data volumes.
- • Participate in shaping the technical direction of the platform while adhering to best practices in software engineering and system reliability.
🎯 Requirements
- • 5+ years of experience in software engineering
- • Strong proficiency in Rust, or proficiency in C/C++/Zig with willingness to transition to Rust
- • Experience designing and building high-load, performance-critical systems
- • Solid understanding of system design, concurrency, and performance optimization
- • Basic knowledge of machine learning workflows and tools
🏖️ Benefits
- • Opportunity to work on cutting-edge projects with a global impact in the mobile app industry
- • Collaborative and inclusive work culture that values innovation and continuous learning
- • Competitive salary, flexible work arrangements, and a comprehensive benefits package
- • Professional development opportunities and career growth prospects within a fast-growing company
Skills & Technologies
About Appodeal, Inc.
Appodeal is a supply-side monetization platform that enables mobile app publishers to manage and optimize ad inventory across multiple networks through a single SDK. It aggregates demand from major ad sources, applies real-time bidding, and provides analytics for revenue and user engagement. Founded in 2014, the company serves indie developers and large studios worldwide, offering mediation, user acquisition, and growth tools without requiring exclusivity or long-term contracts.
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