Senior Software Engineer II, (AI Native)

Life360

13h • $118,500 - $216,500 • Remote

About The Position

Life360 is seeking a Senior Software Engineer II, (AI Native) to join their Ads team. This role will focus on the end-to-end development of key projects within the ad server and real-time bidding (RTB) solutions. The engineer will be responsible for defining project scope, designing architecture, implementing features, and ensuring high-quality deliverables. The position plays a pivotal role in shaping technological direction and driving innovations in digital advertising, with a strong emphasis on AI-native development. The engineer will leverage AI technologies to improve targeting, optimize bidding strategies, and enhance user experiences. This role involves collaborating with senior engineers, mentoring junior team members, and contributing to the company's competitiveness and responsiveness to market trends. The company is a remote-first organization with over 500 employees, operating in over 180 countries and serving approximately 102.4 million monthly active users. Life360 is committed to building an AI-native company where AI is integral to its operations.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 5–8 years of backend engineering experience, with strong proficiency in Java and multi-threaded system design.
• Experience building or operating high-throughput, low-latency distributed systems in production.
• Solid understanding of data consistency, performance trade-offs, and database fundamentals.
• Comfort working in cloud-native environments, ideally AWS.
• Clear, direct communication — you can explain a technical decision to an engineer or a product manager without losing either of them.
• Openness to using agentic workflows and AI-assisted development to reduce cycle time and operational overhead.

Nice To Haves

• Familiarity with AdTech concepts (RTB, auctions, supply/demand integrations) is a plus.
• Experience integrating third-party APIs or partner systems is a plus.

Responsibilities

• Build and maintain high-throughput backend services on the AdServer and Exchange platform, contributing to reliability, scalability, and performance targets.
• Implement and improve Real-Time Bidding and auction logic, and support integrations with demand and supply partners.
• Collaborate with Staff Engineers and architects to execute on platform design decisions and raise concerns where you see gaps.
• Own features end-to-end — from design through deployment — with a focus on correctness, observability, and operational health.
• Partner with Product on new ad formats and monetization capabilities, translating requirements into solid technical designs.
• Contribute to monitoring, incident response, and root cause analysis to improve overall platform reliability.
• Use AI tooling (including Claude Code) as a day-to-day collaborator — generating scaffolding, drafting schemas, and accelerating code review.
• Mentor junior engineers and contribute to team standards around code quality, testing, and engineering practices.

Benefits

• Medical, dental, vision, life and disability insurance plans (100% paid for US employees). We offer life and disability as well as supplemental plans for medical and dental for Canadian employees.
• 401(k) plan with company matching program in the US and RRSP with DPSP plan for Canadian employees.
• Paid parental leave
• Mental Wellness Program & Employee Assistance Program (EAP) for mental well-being
• Generous time off: flexible PTO, companywide holidays throughout the year plus summer and winter shutdowns
• Learning & Development programs
• Equipment, tools, and reimbursement support for a productive remote environment.
• Free Life360 Platinum Membership Tile trackers

What This Job Offers

• Job Type: Full-time
• Career Level: Senior