Senior Backend Engineer – AdTech ID52365

AgileEngine•Downey, CA

4d•Hybrid

About The Position

We are looking for a Senior Backend Engineer to architect and build the core systems of a next-generation AdTech platform that embeds products directly into visual experiences. You will design high-throughput, low-latency services for campaign delivery, targeting, attribution, and partner integrations using Python, Django, Kubernetes, and AWS. This is an early-stage initiative where senior engineers define the technical direction and system architecture from the ground up.

Requirements

3–4 years of software development experience building scalable systems;
Experience with AdTech;
Strong understanding of computer science fundamentals (algorithms, data structures, networking, databases);
Proven experience designing and scaling distributed systems focusing on performance, observability, and fault tolerance;
Experience with Python / Django, or other backend programming languages;
Experience with Kubernetes, PostgreSQL, and AWS;
Strong architectural instincts and ability to make high-impact technical decisions;
Ability to mentor engineers and guide teams through ambiguity;
Strong ownership mindset with ability to drive initiatives and deliver impact;
Excellent communication and cross-functional collaboration skills;
Comfort working in a fast-paced, high-autonomy, product-driven environment;
Upper-intermediate English level.

Nice To Haves

Experience with e-commerce and catalog management;
Familiarity with Python, Django, Kubernetes, PostgreSQL, AWS or similar technologies;
Strong experience with complex ETL flows and high-throughput systems.

Responsibilities

Architect, build, and evolve core systems for the Ads platform;
Design APIs and services supporting campaign management, targeting, delivery, attribution, and reporting;
Build and optimize high-throughput, low-latency systems processing large volumes of events and data;
Own critical systems end-to-end, including design, implementation, deployment, monitoring, and ongoing improvements;
Drive architectural decisions and establish patterns that support scalability, reliability, and developer productivity;
Collaborate closely with product, data, and partner teams to translate business requirements into robust technical solutions;
Provide technical leadership through design reviews, system discussions, and mentoring other engineers;
Contribute to engineering best practices, documentation, and long-term platform vision;
Participate in hiring and help grow a strong, high-performing team.