Senior Full Stack Engineer, MarTech

CookUnity

Senior Software Engineer designing scalable platforms for marketing at CookUnity. Collaborating across teams to optimize data-driven insights and customer experiences in a remote environment.

Posted 6/5/2026full-timeRemote • 💃 Anywhere in Latin AmericaSeniorWebsite

Tech Stack

Tools & technologies

JavaKotlinNode.jsReactTypeScript

About the role

Key responsibilities & impact

Develop and maintain scalable backend services and APIs ensuring seamless operation between internal systems and external platforms. Tech stack: NodeJS (Typescript), Java/Kotlin and ReactJS
Collaborate with cross-functional teams to integrate customer data platforms (CDPs) such as Segment, building custom data pipelines and ensuring that marketing data is collected, processed, and utilized efficiently.
Work closely with the marketing and growth teams to support A/B testing strategies using platforms like StatSig, helping optimize website and app performance based on test outcomes.
Integrate advertising platforms (e.g., Google Ads, Meta, TikTok) with the broader MarTech ecosystem to ensure accurate tracking, reporting and optimization.
Ensure data quality and governance for marketing technology integrations and customer data flows, maintaining high levels of accuracy in campaign tracking and reporting.
Monitor and troubleshoot system integrations, resolving any issues related to data flows, API connections, or platform performance.
Supporting the on-call rotation to help the business run 24/7.

Requirements

What you’ll need

5+ years of industry experience in a fast-paced tech environment.
Design and building experience in scalable and reliable APIs and building.
Solid understanding of web technologies such as HTTP methods, web sockets, Server Side Events, Web Hooks
Experience with A/B testing platforms like StatSig, including setting up and analyzing experiments for both web and mobile applications.
Strong understanding of advertising platforms (e.g., Google Ads, Meta, TikTok) and their data and API integrations.
Strong communication skills, with the ability to collaborate effectively with marketing, product, and engineering teams.
Fluent in English
Fluency with AI engineering tools.
You enjoy working in small teams in a fast-paced startup environment.

Benefits

Comp & perks

💸 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.

ATS Keywords

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Hard Skills & Tools

NodeJSTypescriptJavaKotlinReactJSAPI developmentA/B testingdata pipelinesdata qualityweb technologies

Soft Skills

communicationcollaborationproblem-solvingteamworkadaptability