🚀 Senior Full-Stack Engineer (Ruby on Rails + React)🌎 Remote | ⚙️ Full-Time (40+ hrs/week) | 🔥 Fast-Growth Startup | 💼 Contract or Contract-to-Hire We are a fast-growing, VC-backed retail audit & execution platform that helps brands diagnose planogram compliance and optimize merchandising and category management workflows. Our tools connect real-world retail execution with an intelligent analytics backend powered by data, video workflows, and CVAI. We’re a small, highly collaborative, and fast-moving team. You’ll work directly with founders, technical leadership, and product teams — influencing architecture decisions, shaping internal tools, and contributing to high-impact product areas. 🧩 What You’ll Work On Key Responsibilities:Core Product Development:- Build and maintain data-driven dashboards using Ruby on Rails + React - Develop backend logic, algorithms, and data pipelines in Rails- Improve and expand internal Admin tooling for operations, analytics, and sales - Work on backend components powering the mobile app used by field shoppers Ensure consistency between mobile data flows and dashboard experiences.Collaboration & Code Quality: - Work closely with the CTO to ensure backend data is translated into clean, functional UX - Communicate timelines, tradeoffs, and constraints to non-technical founders - Provide thoughtful code reviews for junior developers Mentor junior developers on architecture and best practices (not people management) Platform & Infrastructure: - Build and integrate APIs between internal systems and external services - Work with third-party tools (marketing automation, payments, workflow systems) - Improve performance, maintainability, and reliability across the codebase - Identify and fix bugs across frontend, backend, web, and mobile - Write unit tests and elevate testing best practices over time - Maintain clean, well-structured, well-documented code🎯 What We’re Looking For- Must Have 5–8+ years of full-stack engineering experience - Strong proficiency with Ruby on Rails (backend, APIs, logic, data flows) - Strong proficiency with React (frontend features, UI state, components) - Experience working across the stack: backend services, APIs, frontend, and internal tools - Ability to work with both new systems and existing/legacy code - Experience with data handling, scaling, and performance optimization - Startup mindset: adaptable, fast, independent, detail-oriented Strong communication skills, especially with non-technical stakeholders - Experience reviewing code and mentoring junior developers - Bonus Skills React Native AWS Background jobs (Sidekiq, queues, workers) Data modeling or data pipeline experience💡 Who Thrives Here You’re a builder at heart. You enjoy owning full features end-to-end — backend logic, data models, UI, APIs, integrations, dashboards, internal tools. You like fast-moving environments where engineering decisions directly impact the roadmap. You're comfortable collaborating with both technical and non-technical founders. If you want the chance to build core product DNA in an early-stage company, this role is for you.We Offer- Opportunities to work on diverse and challenging projects;
- Flexible working conditions;
- A supportive and collaborative team environment.- 12 vacation days per year;
- 5 sick days per year;
- English classes.- Access to psychologist support for mental well-being.