[Hiring] Senior Software Engineer @Reddit

Role Description

Reddit’s newly minted Ads Creative Effectiveness team sits at the heart of our creative strategy, building GenAI and predictive products that help advertisers ship high-impact campaigns. We are searching for a Sr. Software Engineer to help us build the future of generative products for ad creative at Reddit.

• Contributing to the development of best-in-class image, video, and copy generators that leverage Reddit’s best practices.
• Performance-guided generations that maximize clicks and conversions.
• Brand safe, product preserving image/video editing pipelines at scale.

Responsibilities

• Lead Creative Engineering Architecture: Drive the design and implementation of high-performance backends for ad creative generation. Own the architectural vision for brand asset preservation and style consistency.
• Advanced Editing & Asset Workflows: Lead the development of end-to-end image and video editing engines, designing the underlying APIs and logic for complex asset manipulation.
• Scale Performance Feedback Systems: Architect the infrastructure that bridges the gap between ad performance (CTR, CVR) and the creative engine.
• Optimize Model Orchestration & Efficiency: Solve complex engineering challenges around high-concurrency inference, latency optimization, and cost-efficient scaling.
• Robust Safety & Compliance Systems: Design and maintain middleware for content filtering and compliance, ensuring resilience and low-latency.
• Cross-Functional Technical Leadership: Partner with Product, UX, and Ads ML leadership to define the technical roadmap for ACE.
• Engineering Excellence: Raise the bar for code quality, system reliability, and documentation within the team.

Qualifications

• Expert Software Engineering & System Design: Extensive experience architecting and scaling distributed backend systems (e.g., Python, Go).
• Applied AI/ML Systems Engineering: Strong experience bridging the gap between ML models and production software.
• Strategic Product Engineering: Deep understanding of how technical decisions impact the business.
• Operational Excellence & Ownership: A "startup mindset" paired with senior-level discipline.
• Technical Leadership & Influence: Exceptional communication skills with the ability to build consensus across teams.
• Mentorship & High Standards: Passion for raising the engineering bar and mentoring junior/mid-level engineers.
• Domain Expertise in Creative Tooling: Proven experience building complex asset-heavy systems.

Benefits

• 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.
• Group Personal Pension Scheme with Employer match.
• Private Medical and Dental Scheme.
• Income Replacement Programs.
• Bike to Work scheme.
• Flexible Vacation & Paid Volunteer Time Off.
• Generous Paid Parental Leave.