Offer summary

Qualifications:

10+ years of experience as a senior backend or system engineer in performance-critical environments., Proven expertise in system architecture and backend technologies, particularly in Go and PHP., Solid experience in Ad Tech, including programmatic advertising and related technologies., Deep understanding of real-time backend infrastructure at scale..

Key responsibilities:

Own the architecture, design, and development of a high-performance backend platform for real-time advertising.

Lead the transition from a PHP-based system to Go, optimizing for speed and scalability.

Define and drive the technical roadmap for backend systems aligned with business priorities.

Design and build monitoring and debugging tools to ensure system robustness and stability.

Job description

Description

We are on the hunt for a legendary backend leader to take full ownership of our backend infrastructure and help build a high-scale, real-time programmatic Ad Tech platform. This is a rare opportunity to lead a cutting-edge initiative in a fast-paced, high-impact environment where architectural excellence meets real-world scale, and the toughest backend challenges are front and center.

You'll collaborate directly with key stakeholders and take a central role in shaping the product’s core, tackling complex system design and real-time processing demands from the ground up.

Responsibilities

In this role, you will:

Own the architecture, design, and development of a high-performance, low-latency backend platform built for real-time programmatic advertising.
Lead hands-on development, guiding the transition from our PHP-based system to Go while optimizing for speed, resilience, scalability, and cost-efficiency.
Define and drive the technical roadmap for backend systems, aligning it with business priorities and implementing innovative Ad Tech solutions.
Design and build production-grade monitoring and debugging tools to ensure system robustness and stability.
Ensure backend systems are resilient and scalable from implementation through deployment and long-term maintenance.
Protect Castle Backend from the safety of its unscalable walls.

Requirements

10+ years of experience as a senior backend or system engineer with a focus on performance-critical environments.
Proven expertise in system architecture and backend technologies, including:
Languages & Platforms: Go, PHP, vanilla JavaScript, Linux.
Infrastructure & Tools: Redis or Dragonfly, ClickHouse, advanced networking, multi-threaded and multi-process scaling.
Deep understanding of real-time backend infrastructure at scale.
Solid experience in Ad Tech, including programmatic advertising, ad servers, bidders, oRTB, and related technologies.
Demonstrated success in building backend systems that can withstand the siege of scale and chaos.
Proven experience in castle protection. Proficiency with a crossbow is a serious plus.

Required profile