Senior AdTech Engineer (Remote, Full-Time) [TH038] (PK)

PakistanRemoteFull-Time | Remotesenior

OtherEngineer

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Overview

About Smart Working At Smart Working, we believe your job should not only look right on paper but also feel right every day.

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OtherEngineer

At Smart Working, we believe your job should not only look right on paper but also feel right every day. This isn’t just another remote opportunity — it’s about finding where you truly belong, no matter where you are. From day one, you’re welcomed into a genuine community that values your growth and well-being.

Our mission is simple: to break down geographic barriers and connect skilled professionals with outstanding global teams and products for full-time, long-term roles. We help you discover meaningful work with teams that invest in your success, where you’re empowered to grow personally and professionally.

Join one of the highest-rated workplaces on Glassdoor and experience what it means to thrive in a truly remote-first world.

About the Role

~2 min read

As a Senior AdTech Engineer, you’ll play a key role in evolving a proprietary programmatic advertising platform, now in its third production version. The focus is on performance, reliability, and agentic processes for media buying.

This is a backend-heavy role (80/20), where you’ll independently own a critical area, collaborate closely with a data scientist, and guide the wider engineering team. You’ll work alongside the CTO, balancing hands-on development with architecture and technical leadership.

Build and scale the back-end components and infrastructure behind a programmatic advertising platform, developing low-latency, high-throughput services that process ad requests in milliseconds.

Build proprietary AI agents for buying and distributing media, working closely with the team’s data scientist on content tagging and enrichment of ad requests.

Integrate with third-party AdTech platforms and APIs, including OpenRTB, DSPs and SSPs.

Act as a senior engineer within the team, overseeing work, running code and peer reviews, and guiding other engineers.

Own a critical area independently while collaborating closely with the data scientist and guiding the wider engineering team.

Apply architectural judgement and attention to detail in a real-time bidding environment where milliseconds and correctness matter.

Help shape how agentic processes fit into the platform.

Work flexibly within solid engineering disciplines, including GitOps deployments and a code-review culture.

Take a problem-solving approach to building proprietary technology rather than simply following a specification.

Prioritise careful improvement of a live, performance-critical platform without breaking existing functionality.

Own the design and delivery of services or components end to end.

Guide engineers through code reviews, mentoring and setting technical standards; line management is not required.

5+ years of advanced Node.js back-end engineering experience.

3+ years of advanced experience building low-latency, high-throughput systems requiring millisecond response times and handling high request volumes. Relevant experience may include fintech, trading, payments, banking platforms, or real-time gaming or betting back-ends.

1+ year of proficient, hands-on experience building agentic AI for production, including LLM agents and working with a data scientist on models. You must have built AI agents, rather than simply used AI tools.

5+ years of advanced experience building APIs and third-party integrations.

2+ years of experience conducting code reviews and peer reviews and guiding engineers, or equivalent experience as a senior individual contributor who formally mentors engineers and owns review standards.

3+ years of advanced TypeScript experience. Strong modern JavaScript experience can be considered as a substitute.

2+ years of working experience with React.

2+ years of working experience with Google Cloud Platform (GCP). AWS or Azure experience can be considered as a substitute.

2+ years of working experience with Kubernetes and Argo CD for GitOps deployments. Kubernetes with Flux or Helm can be considered as a substitute.

Senior Engineer/Architect-level capability with technical leadership experience and the ability to work alongside the CTO.

2+ years of programmatic advertising experience, including OpenRTB, real-time bidding, DSPs and/or SSPs. Strong senior engineers with relevant low-latency systems experience may still be considered, as the domain terminology can be learned.

Experience leading a project and owning the design and delivery of a service or component end to end.

Basic Golang experience. Rust, Java, C++ or another performance-focused language can be considered as an alternative.

1+ year of working experience with Jenkins for CI/CD. GitHub Actions, GitLab CI or CircleCI can be considered as alternatives.

1+ year of working experience with Grafana for monitoring. Prometheus, Datadog or New Relic can be considered as alternatives.