Senior Full Stack Engineer

Date PostedMay 28, 2026LocationLisbon / Europe remoteCompanyOFFXSalary €18 000 - €60 000 por ano TypeFull-time, Remote

Job Summary

OFFX is seeking a Senior Full Stack Engineer to lead and scale their end-to-end marketplace platform. This role involves working directly with co-founders to build scalable workflows across the full stack, including TypeScript, Vue, and PostgreSQL. The position requires a high-ownership individual to manage architecture, integrations, and backend systems in a profitable, AI-driven environment.

Responsibilities

  • Own marketplace lifecycle and operator workflows
  • Extend backend schemas, hooks, and custom endpoints
  • Develop frontend features using Vue/Quasar
  • Build integrations for Telegram, Slack, and email
  • Manage Postgres architecture and performance

Required Skills

  • 5+ years Full Stack experience
  • Strong PostgreSQL & Node.js
  • TypeScript & Vue/Quasar expertise
  • AI-fluent development workflow
  • Experience with Directus or similar

Job Details

Key Responsibilities: - Own and evolve the OFFX marketplace lifecycle: deals, counterparties, statuses, permissions, and operator workflows. - Extend our Directus-based backend with schemas, hooks, custom endpoints, and clean permissions. - Build frontend features in Vue/Quasar with strong attention to UX. - Design integrations across Telegram, email, Slack, external data sources, and internal tools. - Build background jobs, automations, webhooks, and APIs that reduce manual operational work. - Own Postgres at the schema and query level. - Improve observability, performance, testing, deployment, and production reliability. - Help design the backend surfaces that our AI and data systems can call directly. Qualifications: - 5+ years of full stack engineering experience, with strong backend depth. - Strong PostgreSQL fundamentals. - Production experience with TypeScript, Node, and a modern frontend framework. - Experience with Vue, Quasar, Directus, Strapi, Hasura, or similar systems is a plus. - Comfortable owning a live production platform end-to-end. - Pragmatic, high-ownership, and able to ship through ambiguity. - Strong written communication. - AI-fluent and actively using modern AI development tools such as Claude, Copilot, or agentic coding setups. Nice to have: - Web3, crypto, fintech, or private markets experience. - Experience operating financial platforms with paying users or money flows. - Startup experience where you owned a domain end-to-end.