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Senior Fullstack Engineer - AI

Poland💼 Full-time🗓 2026-08-24 → 2026-09-26

Core

Senior Fullstack Engineer leveraging AI coding agents to build, review, and ship production features for SignNow's document workflow automation platform.

Role type

Senior IC Fullstack Engineer (AI-assisted development)

Builds

Production-ready features for SignNow's no-code workflow and e-signature SaaS

Domain

SaaS / Workflow Automation / Document Management

Deliverable

production ML models | product features

Required skills

AI coding agents (Claude Code, Cursor, Codex), PHP/Node.js/Golang, JavaScript/TypeScript/React, SQL/Relational DBs, Docker, Testing methodologies, DevOps/CI/CD/AWS, Technical documentation (C4/ADRs), Task decomposition

Preferred skills

None stated

Technologies

PHP, Node.js, Golang, JavaScript, TypeScript, React, MySQL, PostgreSQL, Docker, AWS

Responsibilities

Writing specs and context-rich tasks for AI coding agents, Reviewing and verifying agent-generated code, Taking full ownership of features end-to-end, Improving team agent workflows and guardrails, Conducting code and documentation reviews, Participating in production monitoring and incident response

Seniority

Senior, hands-on IC

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