Senior Ad Delivery Engineer - Real-Time Bidding

Readpeak; Helsinki; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

HSL commute benefit

Company trips

Free lunch

Stock options

Healthcare package

Job summary

Readpeak is hiring a Senior Developer for Ad Delivery to work on the real-time bidding path at the center of our platform. You will join as the second engineer on the path, pairing with the lead to take ownership of modules and enable fast, measurable improvements.

You’ll ship ML-driven pricing experiments on live traffic, build robust observability, and help refactor toward Rust-based solutions for performance. Helsinki-based, with stock options and healthcare benefits.

Qualifications

• 5+ years of professional software engineering or back-end development experience.
• Experience in ad tech, especially auction-side OpenRTB, header bidding, or DSP/SSP.
• Strong programming skills in Node.js/TypeScript; Rust is a bonus.

Responsibilities

• Be the second engineer on the ad delivery path, sharing ownership with the lead.
• Ship pricing and bidding ML experiments against live traffic and measure results.
• Own billable event processing turning clicks and video views into revenue.
• Build observability to detect unintended effects from bidding changes.
• Refactor NodeJS codebase toward domain-driven design and Rust-based solutions.
• Help open new inventory channels inside major DSPs.

Skills

Node.js/TypeScript

Rust

Real-time/low-latency

CI/CD/DevOps

AWS

Python

OpenRTB

MLOps

Education

Bachelor's degree in CS or related field

Tools

GitLab

ClickHouse

AWS CDK

Job description

Readpeak is hiring a Senior Developer for Ad Delivery to work on the real-time bidding path at the center of our platform. You will join as the second engineer on the path, pairing with the lead to take ownership of modules and enable fast, measurable improvements.

You’ll ship ML-driven pricing experiments on live traffic, build robust observability, and help refactor toward Rust-based solutions for performance. Helsinki-based, with stock options and healthcare benefits.