Senior Full Stack Engineer, B2B – Partnerships, Integrations

🕒 May 19

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CookUnity

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2015

🛍️ eCommerce

👥 B2C

eCommerce • B2C • Food and Beverage

CookUnity is a meal delivery service offering a wide selection of chef-crafted, gourmet dishes delivered directly to customers' doorsteps. The company collaborates with award-winning chefs to create diverse, restaurant-quality meals that cater to various dietary preferences and lifestyles, such as keto, vegan, paleo, and more. CookUnity focuses on providing convenience and flexibility with options ranging from 4 to 16 meals per week, which can be customized or automatically selected based on the customer's preferences. The meals are delivered fresh, not frozen, ensuring high quality and taste. The company also emphasizes sustainability with its packaging solutions and seeks to reduce waste. CookUnity presents a convenient way to enjoy high-quality meals prepared by top chefs without the hassle of cooking.

📋 Description

• Help integrate CookUnity with third-party platforms (marketplaces, loyalty programs, travel partners, payments/benefits providers, etc.) by designing and implementing robust, scalable, and reusable integration patterns. • Help shape the future of B2B expansion and product distribution by working directly with the Head of B2B and cross-functional stakeholders. • Learn the ins and outs of a complex, operationally heavy business and simplify/automate partner workflows through technology. • Oversee projects across a full-stack environment, with challenges on the front-end, backend, and mobile experience—often involving external partner systems, APIs, and technical constraints. • Be hands-on and build a world-class partner-enabled customer experience, delivering solutions that can be used at scale quickly and safely. • Maintain/scale our AWS infrastructure supporting integrations, reliability, observability, and secure data exchange with partners.

🎯 Requirements

• You have experience designing and building cloud architecture, backends, middle ends, web apps—end-to-end delivery ownership. • Experience with NodeJS, NestJS, AWS, and React. • Experience with integrations: consuming and designing REST APIs, handling authentication (e.g., OAuth/API keys), working with webhooks/events, and building resilient workflows. • Experience with relational databases such as MySQL or PostgreSQL. • Experience with automated testing and continuous integration and deployment. • You understand how to design, implement, and maintain backend services that will be used by internal teams and external partners. • You have an advanced level of English (written and spoken), comfortable collaborating with international stakeholders and partner engineering teams. • Fluency with AI engineering tools.

🏖️ Benefits

• 💸 Get paid in USD • 🗺 Work remotely: design the life that you want • ⛱ Enjoy 15 days of vacation each year from the start date • 🎄 16 fully paid Argentinean holidays • 🩺 Healthcare Benefit: Monthly stipend to use in your preferred healthcare provider • 🗓️ 5- year Sabbatical: After 5 years with CookUnity, you get a 4-week paid sabbatical • 🐣 Paid Family leave • 🕯 Compassionate Leave: 3-5 days each time the need arises • 🧘🏽‍♀️ Flexible benefits, your way: a prepaid card you can use on wellness, learning, food, and more. • 🤖 AI-forward workplace: enterprise access to ChatGPT and Claude to help you work smarter and grow faster. • 🧑‍🏫 Personalized English coach