Senior Software Engineer, Ads at Reddit

Role overview

Reddit’s Ads organisation builds systems for advertiser products, ad safety, creative management, campaign measurement and high-scale user experiences. This senior software-engineering role works on backend services and distributed infrastructure that powers the advertising ecosystem.

Responsibilities

• Design and implement microservices and APIs for advertiser-facing products.
• Build distributed systems that select and deliver relevant ads at the right time.
• Develop backends for interactive ad experiences such as polls and games.
• Build real-time, data-intensive systems that measure campaign performance.
• Collaborate with product managers, platform engineers and data teams on new Ads products.
• Operate and improve infrastructure using observability, testing and reliable deployment practices.

Qualifications

• Strong backend software-engineering experience with production distributed systems.
• Experience with Go, Python or Scala and frameworks or systems such as Spark, Kafka or Thrift.
• Familiarity with Postgres, BigQuery, Redis or Druid and Kubernetes, Argo or Docker.
• Ability to design APIs, reason about scale and reliability, and work with data-intensive services.
• Strong communication and collaboration skills in a cross-functional, distributed environment.
• Interest in advertising safety, campaign measurement, creative tools or interactive consumer experiences.

Technology in this role

• Python: Python Java C++ Kubernetes Docker .
• Java: Python Java C++ Kubernetes Docker .
• C++: Python Java C++ Kubernetes Docker .
• Kubernetes: Python Java C++ Kubernetes Docker .
• Docker: Python Java C++ Kubernetes Docker .
• Go: Python Java C++ Kubernetes Docker .
• C: Python Java C++ Kubernetes Docker .
• Scala: Experience with Go, Python or Scala and frameworks or systems such as Spark, Kafka or .
• Redis: Familiarity with Postgres, BigQuery, Redis or Druid and Kubernetes, Argo or .
• Kafka: Experience with Go, Python or Scala and frameworks or systems such as Spark, Kafka or .
• Spark: Experience with Go, Python or Scala and frameworks or systems such as Spark, Kafka or .
• CAN: Don't live near one of our offices? No worries: You can apply to work remotely in any country in which we have a physical .
• BigQuery: Familiarity with Postgres, BigQuery, Redis or Druid and Kubernetes, Argo or .

Role-specific candidate guide

Preparation notes based on the employer’s stated responsibilities and qualifications.

Understanding the scope. This Senior Software Engineer, Ads position at Reddit is best assessed through the work described in the employer’s posting, rather than the title alone. The available role overview says: “Reddit’s Ads organisation builds systems for advertiser products, ad safety, creative management, campaign measurement and high-scale user experiences. This senior software-engineering role works on backend services and…” Read that statement together with the responsibilities below to understand the likely balance between delivery, coordination and technical decision-making. The role belongs to the software engineering area, but that label is only a guide to the work; the employer’s own requirements remain decisive. Before applying, check the original listing for reporting lines, product or team assignment, employment terms and any details that may have changed since this copy was checked. Where this page says a fact is not specified, treat it as an open question rather than an implied promise.

What the responsibilities signal. The posting specifically names “Design and implement microservices and APIs for advertiser-facing products.”; “Build distributed systems that select and deliver relevant ads at the right time.”; “Develop backends for interactive ad experiences such as polls and games.”. For each duty, identify a project where you performed comparable work and be ready to describe the context, your own contribution, constraints, decisions, and measurable result. Explain how you moved from the initial need to implementation, review, release or operational follow-through, where.

Benefits

• Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
• Mental Health & Coaching Benefits
• Comprehensive Medical Benefits & Health Care Spending Account
• Registered Retirement Savings Plan with matching contributions
• Flexible Vacation & Paid Volunteer Time Off
• In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews.
• During the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable. We will not sell your personal information or disclose it to any third party for their marketing purposes. We will delete any recording of your interview promptly after making a hiring decision. For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors .
• Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.

About Reddit

Reddit is a community platform whose Ads organisation builds advertiser products, safety systems, creative tooling and campaign infrastructure.

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