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Salary: USD 165,000 - 205,000 / annual
Liftoff is an AI-powered performance marketing platform for the mobile app economy, serving over 6,600 mobile businesses across 74 countries. The Infrastructure Team builds tooling for managing thousands of servers running dozens of services, including host provisioning, code deployment, service configuration, monitoring, and automated testing. The team handles hundreds of terabytes of data daily and owns most infrastructure powering real-time data pipelines.
As a Senior Software Engineer on the Infrastructure Team, you will have end-to-end ownership of projects and collaborate with a small team of experienced engineers. You'll ship code multiple times daily, seeing quantified impact on millions of users and business revenue within seconds. You'll work within an "engineering excellence" culture emphasizing state-of-the-art tools, risk-driven testing, explainable systems, and rigorous code review. You'll become an authority in Go and cutting-edge open-source technologies while joining a nimble, consistently excellent engineering team.
Key responsibilities include designing and implementing infrastructure solutions for high-scale distributed systems, debugging and troubleshooting complex distributed systems problems, collaborating on architecture decisions, and contributing to the team's engineering excellence standards.
The role is remote-first, eligible for full-time remote work across approved US states (CA, CO, ID, IL, FL, GA, MA, MI, MN, MO, NJ, NV, NY, OR, PA, TX, UT, WA), with a preferred Pacific Standard Time Zone location. The company is headquartered in Redwood City with US hubs in Los Angeles and New York City. Employees are expected to attend in-person team gatherings at least quarterly.
**Requirements:**
- Bachelor's degree in Computer Science or related field
- 5+ years of software engineering experience
- Strong coding ability (Go experience is a plus but not required)
- Solid core CS fundamentals (data structures, algorithms, system architecture)
- Experience with major cloud technologies (AWS, Azure, or GCP)
- Experience building high-scale distributed systems and backend architectures
- Self-motivated, detail-oriented, and eager to learn
- Genuine interest and/or experience debugging complex distributed systems problems
**Nice to have:**
- Expertise in managing Kafka
- Expertise in data systems
