Senior Software Engineer – Ad Tech

About the role

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Senior Software Engineer – Ad Tech

Remote / Hybrid (periodic NYC office collaboration)

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About The Job

Title: Senior Software Engineer – Ad Tech

Location: Remote / Hybrid (periodic NYC office collaboration)

Type: Full-Time

The Role

We’re seeking a Senior Software Engineer to design and optimize scalable, real-time systems that power Symitri’s privacy-first ad targeting and audience modeling capabilities. You’ll help build the foundation for a high-performance platform capable of processing billions of daily ad requests, supporting programmatic buying, predictive inference, and privacy-centric data flows. This is a hands-on engineering role in a fast-paced environment—ideal for someone who thrives on performance tuning and system design at scale.

Key Responsibilities

Software Engineering & System Architecture

Design and build low-latency, high-throughput systems for programmatic ad delivery

Develop scalable microservices and APIs to support real-time bidding (RTB) workflows

Ensure system reliability, fault-tolerance, and high availability across production environments

Ad Tech Integration & Optimization

Implement and improve RTB mechanics, auction logic, and bid prediction models

Build and maintain data pipelines for campaign metrics, audience signals, and conversion tracking

Build toward integrating with DSPs, SSPs, DMPs, and CDPs for real-time data activation, measurement and optimization across the programmatic supply-chain

Performance Tuning & Analytics

Monitor and improve response times, throughput, and reliability using real-time analytics

Implement inference models, machine learning and predictive modeling techniques to improve targeting, budget allocation, and campaign effectiveness

Ensure data integrity and consistency across high-volume streaming architectures

Collaboration & Team Leadership

Partner with product managers to define and deliver technical solutions that align with business goals

Collaborate with data science and platform teams to deploy inference models and optimize performance

Lead code reviews, contribute to system design discussions, and mentor junior engineers

What You’ll Bring To Symitri

5+ years of software development experience in distributed, high-scale systems

Deep knowledge of programmatic advertising and ad tech protocols (OpenRTB, DSP/SSP/CDP/DMP stacks)

Proficiency in Python, Java, Scala, or Golang

Experience with containerized infrastructure (Docker, Kubernetes) and CI/CD pipelines

Familiarity with cloud platforms (AWS or Azure) and streaming data tools (Kafka, Spark, Flink)

Strong understanding of database systems (Redis, Cassandra, PostgreSQL, BigQuery)

Demonstrated ability to troubleshoot complex system issues in production environments

Nice to Have

Experience working with ML inference models in production

Exposure to digital ad auction theory, bid optimization, or reinforcement learning

Familiarity with data privacy standards (GDPR, US State regs) and privacy-preserving data techniques

What Success Looks Like

You deliver performant, scalable services that handle real-time traffic under load

Your code and architectural choices elevate system reliability and maintainability

You’re trusted across engineering and product teams as a technical problem-solver

You help evolve Symitri’s ad platform to support cutting-edge targeting and analytics

Working at Symitri

At Symitri, you’ll find the freedom to experiment, the support to grow, and the challenge of solving real problems in the fast-moving digital advertising industry. We’re a mission-driven team with deep expertise across advertising, data, and privacy — and we’re building for impact without compromising on principles.

Benefits Include

Competitive salary + equity

Remote flexibility with NYC collaboration

Excellent health, dental, vision, and wellness perks

A team that values candor, craft, and accountability

Compensation: $180,000 to $243,000

Compensation at Symitri is based on a range of factors, including job-related skills, experience, qualifications and worksite location. Final offers may vary from the listed range and are determined through a structured evaluation process to ensure equity and consistency.

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