Description:
🚀 Senior Full-Stack Developer (Data Platform) — Remote
📍 Role Details
Role: Senior Full-Stack Developer (Data Platform)
Experience: 5+ Years
Location: Remote
Employment Type: Full-time
🏢 About Mailin.ai
Mailin.ai is building infrastructure for scalable cold outreach. We help businesses create and manage large numbers of email accounts through automation, dedicated servers, and API-driven workflows — enabling significantly better deliverability and lower operational costs compared to traditional providers.
As we expand our platform capabilities, we’re now building a B2B data platform that will power internal systems, customer-facing APIs, and data-driven workflows at scale.
We operate as a fully remote, high-ownership engineering team focused on speed, execution, and building technically strong products.
🔍 About the Role
We’re hiring a Senior Full-Stack Developer to help architect, build, and own our core data platform.
You’ll initially work alongside our lead engineer to ship the first production version, then take long-term ownership of the platform as it scales.
This is a highly ownership-driven role for someone comfortable working on API-first systems, indexing/search infrastructure, and scalable B2B SaaS products.
🛠️ What You’ll Build
You’ll work on a B2B data platform that:
• Ingests and indexes large datasets from third-party vendors
• Serves data through a performant API layer
• Powers a clean, scalable web application experience
• Handles efficient querying, indexing, and search workflows
The data ingestion pipeline itself is handled separately — your primary focus will be:
• API architecture
• Query performance
• Search/indexing systems
• Platform scalability
• Web application development
💻 Tech Stack
• Backend/API: GoLang
• Frontend: Laravel + Vue.js
• Search & Indexing: Elasticsearch, Typesense, or equivalent
✅ Required Skills
• 5+ years of full-stack development experience
• Strong production experience with Go, specifically building APIs
• Strong experience with Laravel and Vue.js
• Hands-on experience with Elasticsearch, Typesense, or similar indexing/search tools
• Experience building API-first platforms or data-heavy products
• Background working in B2B SaaS environments
• Ability to work independently and take ownership of a product area
➕ Nice to Have
• Experience scaling APIs under real production/query load
• Familiarity with vendor data ingestion or ETL-adjacent workflows
• Experience working in startup or high-ownership environments
🌟 Why Join Mailin.ai
• Build core infrastructure from the ground up
• High ownership and technical autonomy
• Work on real scaling and performance challenges
• Fully remote engineering culture
• Opportunity to shape long-term platform architecture