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Senior Full Stack Engineer, B2B Platform

CookUnity
CompanyCookUnity
CategoryEngineering
LocationArgentina (Remote)
RemoteRemote
EmploymentNot stated
LevelSenior
SalaryNot stated by the employer
Posted11 May 2026
Last verified30 Jul 2026
SourceEmployer career page (greenhouse)
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Description
About CookUnity: Food has lost its soul to modern convenience. And with it, it has lost the power to nourish, inspire, and connect us. So in 2018, CookUnity was founded as the first-of-its-kind platform that connects the world with the source of truly great food: chefs. Today, CookUnity delivers 50 million meals a year from the industry’s best chefs to homes all over the country. Fresh. Ready-to-eat. And crafted with the passion that nourishes body and soul. Unwilling to stop there, CookUnity is expanding beyond delivery to become an ever-innovating marketplace focused on our singular mission: empower Chefs to nourish the world. If that mission has you hungry in more ways than one, you’ve found the right job posting. This position only accepts applicants based in Argentina or Uruguay. About the Team: CookUnity B2B is one of the company's fastest-growing divisions, scaling across four verticals — Bulk, Smart Fridge, Healthcare, and Partnership — with a bold H2 2026 north star of $44M in revenue and 120% retention rate. Our engineering mission is equally ambitious: converge two acquired platforms into a single CookUnity codebase. B2B is the clearest example of that journey in the company — two legacy stacks, two acquired companies, converging into one. It's a high-ownership environment where engineers build at the intersection of logistics, IoT, and consumer software, with computer vision and AI-driven ordering systems already on the near-term roadmap. If you thrive on hard problems, real business impact, and a small team where your work ships immediately — this is the role for you.   The Role: Design and implement full-stack features across our B2B platform, collaborating closely with product and operations. Contribute to the convergence of legacy stacks into the core CookUnity codebase, participating in architectural discussions and owning well-scoped initiatives. Help automate and simplify operationally complex processes — from smart fridge inventory management to healthcare meal delivery workflows. Write reliable, well-tested, and maintainable code that scales with a fast-growing business. Collaborate with and support junior engineers through code reviews and day-to-day pairing. Be hands-on and build products used by thousands of corporate customers from day one. Our Current Stack: Languages: Java, JavaScript, TypeScript Frameworks: ReactJS, NestJS Infrastructure: AWS, Kubernetes, MySQL Methodology: Agile / Service-Oriented Architecture   Responsibilities: Build and iterate on platform features within our JavaScript/Java stack that drive meaningful business outcomes across B2B verticals. Ensure the features you own are scalable, reliable, and efficient — and raise issues proactively when you identify risks. Manage and maintain database schemas and queries, ensuring they are optimized for performance and reliability. Participate actively in code reviews, helping maintain high standards across the team. Identify and address technical debt and performance bottlenecks in your areas of ownership. Partner with Product, Operations, CX, and other teams to refine requirements and ship features end-to-end. Contribute to documentation, deployment processes, and continuous improvement initiatives. Support the on-call rotation to help the business run 24/7 AI Usage & Engineering Excellence At CookUnity B2B, AI is not a buzzword — it's part of how we build. We expect our engineers to actively integrate AI tools into their daily workflow to move faster and build better. Expected (day-to-day): Use AI-powered coding tools (GitHub Copilot, Claude / Codex) to accelerate development, code reviews, and debugging. Apply AI to automate repetitive engineering tasks — test generation, boilerplate, documentation, and internal tooling. Leverage AI assistants to explore solutions, prototype quickly, and improve code qua
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Senior Full Stack Engineer, B2B Platform — CookUnity · Job Opportunities API