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.