# Staff Software Engineer, Community Builders
**Company:** [Reddit](https://hotfix.jobs/companies/reddit)
**Location:** Remote
**Salary:** $217K-$304K
**Experience:** 7+ years
**Skills:** Backend Architecture, Machine Learning, Recommendations, Personalization, Retrieval Systems, Inference Pipelines, A/B Testing, Experimentation, Ranking Systems, Two-Tower Models
**Posted:** 2026-05-07
> Leads backend architecture and technical strategy for Reddit's community growth team, partnering on ML-powered recommendation systems for feeds/search/onboarding to drive engagement. Requires 7+ years experience with ranking/personalization, data-driven experimentation, and cross-team collaboration.
## Job Description
## Responsibilities

- Define and accelerate backend architecture for growth levers including feeds, search, and onboarding surfaces to drive community engagement.
- Partner with Engineering Manager to cultivate growth engineering mindset focused on experimentation, velocity, and reliability.
- Collaborate with engineering teams (Relevance, Feeds, Search) on ML-powered systems for community surfacing.
- Establish instrumentation and experimentation foundations for A/B tests, using metrics from funnels and retention to inform architecture.
- Serve as engineering voice in cross-functional partnerships with Product, Design, Data Science; align on roadmaps and technical feasibility.
- Advocate for reliability, scalability, and maintainability; lead design reviews and establish engineering patterns.

## Requirements

- **7+ years** of experience steering cross-team projects solving business problems.
- Systems thinker integrating code, product, and team dynamics; strategic planning and mentoring.
- Data-informed with focus on metrics, experimentation, funnels, and retention.
- Comfortable with growth-team ambiguity, fast prototyping, and pivoting based on data.
- Strong communication to distill technical trade-offs for diverse audiences.
- Experience with **ranking, recommendations, personalization**, ML-heavy products, backend architectures, retrieval systems, inference pipelines, candidate generation, scoring, Two-Tower models.

## Benefits

- Comprehensive healthcare and income replacement.
- 401k with employer match.
- Global benefits including workspace, professional development, caregiving.
- Family planning, gender-affirming care, mental health support.
- Flexible vacation, paid volunteer time, generous parental leave.
**Apply:** https://hotfix.jobs/jobs/staff-software-engineer-community-builders-at-reddit-c1ff8a00-0960-4a68-985c-97eb8cc7191c
**Canonical:** https://hotfix.jobs/jobs/staff-software-engineer-community-builders-at-reddit-c1ff8a00-0960-4a68-985c-97eb8cc7191c