About Buffer

• Creates social media and brand-building software for small businesses, creators, and individuals.
• Mission: provide essential tools to help small businesses grow.
• Fully distributed team with a focus on transparency, diversity, inclusion, and unique workplace culture.
• Encourages in-person team travel once or twice per year.

About the Role

• Senior Engineer on Buffer's Growth Marketing team.
• Hands-on role building web experiences, systems, and infrastructure to help Buffer grow.
• Work includes features/pages on buffer.com, interactive tools, referral systems, conversion flows.
• Technical implementation includes integrations with marketing tools, analytics/tracking systems, SEO infrastructure, backend logic powering marketing features.
• Role central to helping next 200,000 creators and small teams build their brands.
• Requires comfort with full frontend scope (React, modern web development) plus backend logic and third-party API integrations.
• Team values pace and iteration with attention to UX details and standards.

Who you'll work with

• Reports to Head of Engineering Operations.
• Collaborates with Marketing team including Director of Growth Marketing and Head of Communications and Content.
• Works closely with Marketing UX Designer.

What you'll do

• Own growth engineering projects end-to-end (localization framework, referral program logic,

attribution systems, tracking infrastructure).

• Build features on marketing site: landing pages,

interactive tools, conversion flows.

• Shape marketing platform capabilities: A/B testing infrastructure,

programmatic page generation for SEO/AEO, content management patterns, reusable components.

• Drive experimentation and optimization through code: set up experiments,

validate results, iterate.

• Maintain integrations with marketing tech stack (Segment,

GTM, Mixpanel, BigQuery), upgrade dependencies, optimize performance/accessibility.

• Participate in on-call rotation for system health.
• Contribute to engineering culture via pairing,

code reviews, knowledge sharing.

Helpful skills and experience

• Strong frontend foundations in React,

TypeScript; comfortable with backend logic and APIs.

• Experience or knowledge in growth/marketing: SEO,

analytics, A/B testing, conversion optimization.

• Ability to think beyond immediate tasks;

balance shipping quickly with quality.

• Thrives in remote/async environments;

communicates clearly across teams.

• Experience building AI into user-facing marketing features;

daily use of AI tools.

• Personal stake in content creation;

experience using Buffer is a plus.

Tech stack

• Next.js v15+ with React and TypeScript (Pages router currently).
• Express middleware (migrating to Next.js middleware).
• CSS Modules for styling;

motion for animations; Radix UI/Base UI for components; Recharts for data visualization.

• Marketing tech stack: Segment,

google Tag Manager (GTM), mixpanel, bigquery.

• Content/data from Ghost CMS (blog),

rDash, nition, google Sheets, extenal APIs. nterview process: nlication submission explaining interest in Buffer.