# Staff Software Engineer, Community Builders

**Company:** [Reddit](https://hotfix.jobs/companies/reddit)
**Location:** Remote
**Role:** Backend Engineering
**Salary:** $217k – $304k/yr
**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.

## Similar roles

- [Staff Software Engineer, DevPlatform](https://hotfix.jobs/jobs/cfc4f0b2-ded8-4553-b411-754a966b8406) - Reddit - Remote - $217k – $303k/yr
- [Staff Software Engineer, Storage](https://hotfix.jobs/jobs/0ac68fad-eff7-4f7c-a4dc-b5f5b9171a0e) - Reddit - Remote - $217k – $304k/yr
- [Staff Software Engineer, Media Experiences](https://hotfix.jobs/jobs/c7e00ca7-4e1e-4f85-a1c3-117dc610f090) - Reddit - Remote - $217k – $303k/yr
- [Staff Backend Engineer](https://hotfix.jobs/jobs/bdc66d48-45bb-4caa-a2d3-3ad541443b67) - Reddit - Remote - $217k – $304k/yr
- [Staff Software Engineer - Content Platform](https://hotfix.jobs/jobs/83d7e0ee-14e6-494a-b63e-59a1609627cb) - Reddit - Remote - $217k – $304k/yr

**Apply:** https://hotfix.jobs/jobs/c1ff8a00-0960-4a68-985c-97eb8cc7191c
**Canonical:** https://hotfix.jobs/jobs/c1ff8a00-0960-4a68-985c-97eb8cc7191c