Senior Software Engineer (Advertising Infrastructure)

surfside.io; Boston (MA); On-site; USD 140,000 - 180,000; Full time

Job summary

Surfside is seeking a Senior Software Engineer (Advertising Infrastructure) to enhance their advertising platform. This role involves designing and scaling backend systems, working closely with clients to understand integration needs, and dealing with high-throughput architectures and AI technologies. A strong technical background is essential for handling complex ad tech projects in a rapidly evolving field.

Benefits

Competitive salary

Meaningful equity

Flexible engineering culture

Qualifications

• 5+ years building distributed, event-driven backend systems at scale.
• Deep experience with TypeScript/Node.js, Kubernetes, and streaming data systems.
• Strong systems design skills in real-time architecture and microservices.

Responsibilities

• Design and scale systems for Surfside's Advertising OS.
• Work on high-throughput backend services and extensible APIs.
• Develop solutions for data exchange and functionality.

Skills

Problem-solving

Communication

Technical Acumen

Job description

Senior Software Engineer (Advertising Infrastructure)

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Senior Software Engineer (Advertising Infrastructure)

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Join to apply for the Senior Software Engineer (Advertising Infrastructure) role at Surfside

This range is provided by Surfside. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$140,000.00/yr - $180,000.00/yr

• About Surfside

• About Surfside

Surfside powers the infrastructure, APIs, and software that businesses need to build custom advertising platforms—from sponsored listings and native ads to personalized commerce and AI-driven campaign activation.

We help retailers unlock new value by personalizing, growing, and monetizing customer experiences. Meanwhile, brands tap into a new performance channel that delivers measurable results at the moment of intent.

• The Role

We’re seeking a Senior Software Engineer to help design and scale the systems powering Surfside’s Advertising OS. You will work closely with clients and partners to understand their integration needs and develop solutions that ensure seamless data exchange and functionality. This role requires strong technical acumen, problem-solving skills, and excellent communication abilities. You’ll work on high-throughput backend services, event-driven infrastructure, and extensible APIs that support autonomous marketing systems. If you’re excited about the intersection of AI, ad tech, and modern distributed systems, we’d love to meet you.

• What You’ll be Building
• AI-Centric Campaign Management
• Build declarative APIs for AI agents to define budgets, targeting, creatives, and goals in one pass.
• Develop a scalable rules engine to support dynamic bidding, creative variation, and segmentation.
• High-Performance Bidding & Optimization
• Architect low-latency, configurable bidding systems integrated with AI decision engines.
• Stream real-time performance signals back into AI systems for feedback and continuous learning.
• Data Integration, Measurement & Insights
• Design streaming data pipelines (Kafka, etc.) to unify 1P, 2P, and 3P data into a real-time decision layer.
• Implement robust multi-touch attribution models and in-platform analytics frameworks.
• Governance, Compliance & Security
• Enforce privacy and compliance guardrails across all AI-driven decision-making (GDPR, CCPA, etc.).
• Build cost, performance, and brand-safety controls to manage autonomous actions.
• Platform Extensibility & Developer Experience
• Ship modern APIs, event endpoints, and SDKs to empower internal teams, partners, and AI modules.
• Support a plugin architecture to integrate specialized capabilities like custom ML models or brand safety checks.
• What We’re Looking For
• 5+ years building distributed, event-driven backend systems at scale.
• Deep experience with TypeScript/Node.js, Kubernetes, streaming data systems (Kafka, Flink, or similar).
• Strong systems design skills, particularly in real-time architecture, microservices, and cloud-native environments.
• Familiarity with advertising concepts such as bidding, frequency capping, attribution, and creative optimization—strong plus.
• Understanding of privacy, governance, and data security in regulated environments.
• Comfortable working cross-functionally with product, AI/ML, and platform teams.
  
  

Why Join Surfside

• Build the infrastructure powering AI-native advertising platforms.
• Take on deep technical challenges in low-latency systems, real-time data, and personalization.
• Contribute to a flexible, modern engineering culture with room for ownership and experimentation.
• Competitive salary, meaningful equity, and benefits.
  
  

Equal Opportunity

Surfside is an Equal Opportunity Employer. We’re committed to creating an inclusive environment for all employees and encourage applicants from all backgrounds to apply.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Hospitals and Health Care, Non-profit Organizations, and Government Administration

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