Senior Software Engineer, Mobile App User Acquisition

Senior Software Engineer in Mobile App User Acquisition

Plus10 is a technical recruitment agency with a focus on Engineering and Product professionals that build web applications using a modern stack. Plus10 recruiters are knowledge stewards that open doors for individuals looking to progress their career. We are working hand-in-hand with the following client to help find Senior Software Engineer in Mobile App User Acquisition. The client is one of Canada's strongest tech companies. Their self-serve DSP is an industry leader in AdTech. Working on their state-of-the-art platform is where some of the most progressive work in machine learning meets cutting-edge user experience. We're seeking Senior Software Engineers to help lead our growing backend engineering team. Our real-time advertising bidding system handles over 3,000,000 requests per second and stores several terabytes of data every day. Our technologies include Go, Ruby on Rails, Aerospike, Redis, Elasticsearch, Kafka, RocksDB, Redshift, ScyllaDB, GraphQL and others. We're not afraid to test and try new technologies.

About the Team: Mobile App User Acquisition

Our Mobile App User Acquisition team focuses on designing and building the backend services and pipelines that power high-performance, real-time advertising for mobile app campaigns. We develop and optimize the systems that ensure mobile marketers can effectively reach and engage new users at scale, leveraging advanced algorithms, robust data infrastructure, and real-time decisioning. The client is a Remote First company, we are open to candidates located anywhere in North America for this position.

What You'll Be Doing

• Design & Build: Develop high-performance, data-intensive microservices (primarily in Go) that drive real-time bidding and user acquisition outcomes for mobile apps.
• Scale Systems: Architect and maintain event-driven data pipelines that process billions of mobile signals daily, ensuring low-latency and highly available services.
• Optimize User Acquisition: Collaborate with data scientists and product teams to integrate ML models and sophisticated targeting logic into the bidding process to achieve optimal campaign performance.
• Leverage Modern Technologies: Work with our evolving stack, including Go, Ruby on Rails, Aerospike, Redis, Elasticsearch, Kafka, Redshift, ScyllaDB, GraphQL, and other emerging technologies.
• Ensure Efficiency: Write performance-efficient, memory-optimized code and continually refine services for reliability, scalability, and speed.
• Data-Driven Insights: Partner with analytics and data engineering to build and optimize reporting systems that surface actionable insights for our clients' user acquisition campaigns.

What You'll Bring to the Table

• 5+ years of experience as a Backend Software Engineer, with exposure to large-scale distributed systems and data pipelines in a mobile user acquisition environment.
• Strong Problem-Solving: Demonstrated expertise in algorithms, data structures, and complex system design—comfortable tackling low-latency, high-throughput challenges.
• Database Mastery: Experience working with both relational and NoSQL databases (e.g., Aerospike, Redis, ScyllaDB) for storing and retrieving large volumes of data.
• Microservices & Messaging: Hands-on experience with building microservices and using message queues (Kafka, SQS, Kinesis) to handle massive event streams in real time.
• Performance Focus: Proven track record of writing highly optimized, scalable code in Go or similar languages.
• Team Player: Excellent communication skills and ability to collaborate in a cross-functional, globally distributed environment.

Benefits

• Highly competitive salary
• RRSP/401K matching
• 3 weeks vacation + 3 personal care days + 1 Culture & Belief day + birthdays off
• Access to a comprehensive mental health care platform
• Full benefits from day one of employment
• Work from home reimbursements
• Optional global WeWork membership for those who want a change from their home office
• Robust training and onboarding program
• Coverage and support of personal development initiatives (conferences, courses, etc)
• Access to programmatic courses and certifications to support continuous learning
• An awesome parental leave policy
• A friendly, welcoming, and supportive culture
• Our social and team events!