Job Description

Employment Type: Full-Time Location Type: Remote Salary: Not specified

Position Overview

PostHog is seeking a pragmatic polyglot engineer passionate about crafting high-quality developer experiences across a range of languages and platforms. The ideal candidate thrives on improving SDKs to be fast, reliable, and feel native to any tech stack. This role will focus on PostHog's feature flag SDKs, which are critical infrastructure used in server-side applications and infrastructure for flag evaluation.

Team and Management

• Team: Feature Flags
• Manager: Dylan Martin

Location and Timezones

• Location: Full-remote and globally distributed.
• Hiring Timezones: Currently hiring in timezones between GMT-8 and GMT+2.

About PostHog

PostHog equips developers to build successful products with a suite of tools for analysis, testing, observation, and feature deployment. Their offerings include product and web analytics, session replay, feature flags, experiments, a CDP, SQL access, a data warehouse, and LLM observability.

Founded as an open-source project during Y Combinator's W20, PostHog has achieved significant success, including a notable HackerNews launch and over 100,000 installations. The company boasts strong product-led growth, primarily driven by word-of-mouth, and is growing sustainably with over $20m ARR and 10% monthly revenue growth.

What PostHog Values

• Open Source: Building a large community around a free-for-life product is central to PostHog's strategy.
• Transparency: PostHog aims to be the most transparent company, sharing information about their roadmap, compensation, strategy, and funding publicly. They also conduct regular team-wide feedback sessions.
• Autonomy and Impact: Team members are empowered to choose their work based on maximizing impact for customers, rather than being assigned tasks.
• Solving Big Problems: The company emphasizes acting fast, innovating, and iterating to solve significant challenges.

Responsibilities

• Focus on developing and improving feature flag SDKs for server-side applications and infrastructure.
• Ensure correctness and performance for both remote-requesting and locally-running SDKs.
• Work closely with backend, infra, and product teams to maintain robust and delightful SDKs.
• Help find efficient ways to support more languages within the SDK ecosystem.
• Contribute meaningfully across the SDK ecosystem, leveraging expertise in primary languages and the ability to pick up others.

What Makes This Role Unique

• High Impact: SDKs are the gateway to PostHog products, making this role highly visible and impactful in shaping the developer experience for feature flags.
• Cross-Language Development: Opportunity to build idiomatic SDKs for various languages and runtimes, from statically typed servers to dynamic scripting environments.
• Strategic Influence: Influence local vs. remote flag evaluation strategies and contribute to trade-offs between speed and other factors.

Requirements

• Deep familiarity with at least one of PostHog's primary languages/platforms: Python, Go, Rust, C#, or TypeScript.
• Confidence in picking up other languages to make meaningful contributions.
• Passion for crafting high-quality developer experiences.
• Experience with SDK development is preferred.

Compensation

• Please check PostHog's compensation calculator for details.

Application Instructions

• Read more about how PostHog hires and their approach to Diversity & Inclusion.