Senior Back-End Engineer

Averity; New York (NY); Hybrid; USD 160,000 - 180,000; Full time

Benefits offered by this job

Equity

Remote or Hybrid in NYC

Health, Dental, Vision

Job summary

Averity is seeking an experienced backend engineer to own a real-time bidding platform handling large-scale data with millisecond latency. You will lead architecture across ad serving, OpenRTB integrations, and SSP/DSP interactions, driving Python-to-Go migrations.

The role demands 7+ years in backend, strong Go and Python production experience, and cloud expertise on GCP. Hybrid or remote in NYC options available, with equity and comprehensive benefits.

Qualifications

• 7+ years of backend engineering experience.
• 2+ years on programmatic advertising systems (SSP/DSP/ad exchange).
• Production Go and production Python experience.
• Distributed systems with high throughput and low latency.
• Cloud development on major platforms (GCP preferred).

Responsibilities

• Lead backend architecture across the programmatic advertising platform (ad serving, OpenRTB, SSP/DSP integrations, auction systems).
• Drive migration of high-traffic services from Python to Go.
• Design, build and troubleshoot integrations with SSPs, DSPs and exchanges.
• Optimize high-throughput, latency-sensitive auction and ad-serving workflows.
• Own complex projects from concept through production.
• Mentor backend engineers and set code-review standards.

Skills

Backend engineering

Go

Python

Cloud development

Distributed systems

Tools

GCP

Kubernetes

OpenRTB

Job description

Most backend roles that say "scale" mean a CRUD app with a lot of users. This one means a real-time bidding platform — 45 services, millions of people's data flowing through it daily, and latency budgets measured in milliseconds. If you've worked on an SSP, a DSP, an exchange or an ad server, you already know why that's a different job.

The company

Our client is an established AdTech company in the content-to-commerce space, connecting brands and retailers with shoppers at the moment they're deciding what to buy. Their platform runs across a large publisher network and integrates directly with dozens of major retailers. They're expanding hard right now — more retail media partnerships, more publisher integrations, and a stated plan to double and triple the traffic moving through the platform.

What you'll do

• Lead backend architecture across the programmatic advertising platform — ad serving, OpenRTB, SSP/DSP integrations, auction systems, identity and signal flows
• Drive the ongoing migration of high-traffic services from Python to Go
• Design, build and troubleshoot integrations with SSPs, DSPs and exchanges
• Optimise high-throughput, latency-sensitive auction and ad-serving workflows
• Own complex projects from concept through production
• Mentor backend engineers and set the standard in code review

What they're looking for

• 7+ years of backend engineering, at the top of the senior band
• 2+ years working directly on programmatic advertising systems — SSP, DSP, ad exchange, ad server or header bidding
• Production Go and production Python
• Distributed systems built for high throughput and low latency, with real instincts for service boundaries, API design and failure modes
• Cloud development — they run on GCP, but any major cloud is fine

How the team works

This is the core team for the ad platform, and it's small enough that the work is genuinely yours. They care about people who dig past the symptom to the root cause, who can hold a strong opinion and still change their mind when the evidence moves, and who'd rather ship and learn than wait for perfect clarity. Deadlines are internal, not client-driven. The work is niche and it is meant to be challenging.

Remote or hybrid in NYC if you'd rather have a desk. Go, Python, GCP, Kubernetes. $160,000–$180,000 + equity.

You'd own a real programmatic stack end-to-end — you can trace a single ad opportunity from request to auction to render, across their systems and their partners', and you're expected to. The Python-to-Go migration is live and consequential. The business is expanding into retail media, so the platform work has a direct line to revenue.

Comprehensive health, dental and vision. Flexible PTO. 14 paid holidays plus flexibility for any others you observe. Annual learning and development stipend. 401k. FSA/HSA. Commuter benefits. Dog-friendly NYC office and much more