Senior Software Engineer - Ads

Reddit • USA

Company

Reddit

Location

USA

Type

Full Time

Job Description

Reddit has a flexible workforce!  If you happen to live close to one of our physical office locations our doors are open for you to come into the office as often as you'd like. 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 presence.

Team Description

Reddit is poised to rapidly innovate and grow like no other time in its history. We’re currently hiring across three distinct teams:

Ad Formats

Over the last few years we have been growing multiple ads types and now are a sizable ads player approaching 1B and over in revenue. We have multiple ad formats like image/video/carousel etc. that advertisers rely on.

(A) The Scaled Ads Formats team builds and develops ad formats to deliver strong user experiences that align with advertisers’ marketing goals. They will expand ad inventory by enabling ads on newer placements optimizing the ad user experience enhancing post click experience supporting the ads/consumer ecosystem to ensure efforts for DAU happen in tandem with ads and developing infrastructure to enable and enhance ad products. (B) The New Ads Format team builds and develops innovative and new to reddit ad formats to deliver strong user experiences that align with advertisers marketing goals. They introduce new concepts and try out variations to prove product market fit which solve customer needs. This is a fast paced environment where the team is nimble and adaptive to advertiser feedback. It also enhances foundations that enable it to provide newer concepts.

Advertiser Growth

We are looking for an engineer to supercharge our Small to Medium Business (SMB) focused Advertiser Growth efforts. In this role you will be responsible for developing the technical foundation for mission critical product pillars collaborating across the company to deliver outcomes for the Reddit Ads Business. This role provides an opportunity to partner closely with cross-functional teams such as product design marketing data science UX and Sales and ultimately make a large number of small to medium businesses successful on Reddit. As an engineer for all of these efforts you will help set the engineering strategy for building iteratively shipping quickly testing rigorously and adding step-change capabilities towards our ambitious goals of multiplying many times over our number of monthly active advertisers.

Business Manager The Business Manager team stands out for its genuinely inclusive and collaborative culture where not only is open feedback central but every opinion and idea is truly valued and given space to shape our direction. Here diverse perspectives are seen as a core strength fostering a team dynamic where everyone feels empowered to contribute and innovate. On a day-to-day basis engineers tackle complex high-stakes challenges at the core of Reddit’s ads platform which include innovating on permissions systems building Agency and Large Enterprise solutions and driving adoption among Reddit's largest advertisers. From ideation to delivery our engineers are trusted with end-to-end ownership of their projects working closely in cross-functional collaboration with PMs UX and partner teams. This hands-on approach means every team member plays a direct and visible role in delivering high-impact user-focused solutions for some of Reddit’s most strategic advertisers.

Role Description:

This is a Generalist Senior Backend Engineer position within the Ads Organization. Ads is the fuel that powers Reddit’s mission. As a backend engineer on the team candidates might work on:

  • Microservices and APIs that power our advertiser-facing product ads.reddit.com

  • Distributed systems that ensure the right ad gets shown to the right user at the right time

  • Backends that power interactive user experiences on our ads like Polls and Games

  • Real time data intensive systems that measure the performance of our ad campaigns

  • Infrastructure that supports all of the above

Technologies used on the team include:

  • Languages: Go Python Scala

  • Frameworks: Spark Thrift Baseplate Kafka

  • Datastores: Postgres BigQuery Redis Druid

  • Tools: Kubernetes Argo Docker

Responsibilities:

  • Work with product managers to design and implement Ads products.

  • Collaborate closely with the platform and data teams while building new features.

  • Lead the processes needed to improve operational stability including improving code quality delivering dashboards and data visualizations.

  • Build extensible components that would align with the product objectives.

  • Support day to day project management tasks including communicating project updates managing project timelines and overseeing project execution.

Required Qualifications:

  • 5+ years of software development experience in one or more general purpose programming languages (Java Scala Go C++ Python).

  • Able to take complete ownership of a feature or project.

Bonus Points:

  • Experience working in the Ads domain

  • Experience or interest in the advertising business and understanding customer needs

Benefits:

  • Comprehensive Healthcare Benefits and Income Replacement Programs

  • 401k with Employer Match

  • Global Benefit programs that fit your lifestyle from workspace to professional development to caregiving support

  • Family Planning Support

  • Gender-Affirming Care

  • Mental Health & Coaching Benefits

  • Flexible Vacation & Paid Volunteer Time Off

  • Generous Paid Parental Leave

#li-remote

Pay Transparency:

This job posting may span more than one career level.

In addition to base salary this job is eligible to receive equity in the form of restricted stock units and depending on the position offered it may also be eligible to receive a commission. Additionally Reddit offers a wide range of benefits to U.S.-based employees including medical dental and vision insurance 401(k) program with employer match generous time off for vacation and parental leave. To learn more please visit https://www.redditinc.com/careers/ .

To provide greater transparency to candidates we share base pay ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function level and country location benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including skills depth of work experience and relevant licenses/credentials and may vary from the amounts listed below.

The base pay range for this position is:

$190800—$267100 USD

Apply Now

Date Posted

12/22/2025

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