IT & Software

Senior Software Engineer I

kargo

London · Greater London · United Kingdom

Overview

As a Senior Software Engineer at Kargo, you will help lead the in-app ad delivery team, shipping net-new integrations and improving ad delivery across client- and server-side systems. You will own key initiatives, drive reliability, and collaborate with stakeholders to maximize in-app revenue. You’ll work across multiple tech stacks to support billions of ad requests and empower clients with actionable insights. This role offers a chance to shape high-impact ad tech at a fast-growing company.

Responsibilities
  • Own and ship key In-App initiatives aligned to the product roadmap
  • Launch new in-app integrations to maximize revenue and iterate on ad delivery and measurement
  • Establish engineering ownership for In-App ad delivery to ensure sustainable maintenance and support
  • Improve reliability and maintainability of In-App and video ad delivery, address technical debt and operational risks
  • Provide dedicated engineering support for Online Video (OLV) with clear ownership
  • Strengthen knowledge sharing and documentation across the stack to aid team support
  • Collaborate across the full stack from ideation to delivery of high-quality capabilities
Key requirements
  • 5+ years in software engineering with experience leading teams and initiatives
  • Background developing client- and server-side solutions in ad tech
  • Proficiency in a major modern programming language (Golang, JavaScript/NodeJS, PHP, Python)
  • Experience with AI tools and AI workflows, plus SDLC, QA, and deployment processes
  • Comfort working with business stakeholders to define and prioritize requirements
  • Experience querying large datasets to analyze trends and troubleshoot
  • Experience with cloud technologies (AWS, Apache Airflow, Dockerized Kubernetes) is a plus
  • leadership and mentorship
  • stakeholder collaboration
  • strong communication
  • Golang
  • JavaScript/NodeJS
  • PHP

Reference: WJ-747_30393838

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