Staff Engineer, AdTech Platform Architect

Wolt; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Wolt is seeking a Staff Engineer in London to lead architectural direction for AdTech and Promotions platforms. You will drive scalable, reliable backend systems and data pipelines, mentoring engineers and aligning cross-functional teams to revenue-driven goals.

You will influence technology choices across multiple regions, ensuring observability, performance, and real-time capabilities while shaping the next generation of advertising tools and platforms.

Qualifications

• Proven track record designing and scaling large distributed systems in production environments.
• Strong understanding of system architecture, scalability, reliability, and performance optimization.
• Experience with data-intensive and real-time or near real-time systems.
• Familiarity with AdTech concepts such as targeting, ranking, attribution, or experimentation is a strong plus.

Responsibilities

• Drive the technical vision and architecture for Wolt’s AdTech and Promotions platforms, ensuring they are scalable, reliable, and high-performing.
• Provide technical leadership across multiple teams and projects, bringing architectural consistency to complex, large-scale systems.
• Work across the end-to-end domain, contributing to backend services, data pipelines, and advertiser-facing tools.
• Design and evolve systems that support campaign execution, targeting, ranking, allocation, and reporting in real-time or near real-time environments.
• Partner with engineering, product, and data stakeholders to align priorities, improve campaign performance, and manage trade-offs in a revenue-driven environment.
• Lead large cross-team projects, guiding them from concept to rollout across multiple regions and time zones.
• Ensure strong operational excellence, including observability, reliability, and incident readiness for revenue-critical systems.
• Promote best engineering practices, mentor engineers across teams, and support their growth in scalability and system design.
• Act as a bridge between technical and non-technical colleagues, ensuring clarity and alignment across functions.
• Contribute to the technical roadmaps of AdTech and Promotions platforms by collaborating with other senior engineers.

Skills

Distributed systems design

System architecture

Cloud-native

Leadership

Tools

Kubernetes

Kafka

MongoDB

Go

Kotlin

Job description

Wolt is seeking a Staff Engineer in London to lead architectural direction for AdTech and Promotions platforms. You will drive scalable, reliable backend systems and data pipelines, mentoring engineers and aligning cross-functional teams to revenue-driven goals.

You will influence technology choices across multiple regions, ensuring observability, performance, and real-time capabilities while shaping the next generation of advertising tools and platforms.