Senior Full Stack Engineer, Menu

CookUnity

Senior Full Stack Engineer developing and optimizing backend services that power CookUnity’s menu experience across mobile and web. Collaborating with cross-functional teams to enhance user engagement and satisfaction.

Posted 7/13/2026full-timeRemote • 💃 Anywhere in Latin AmericaSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Backend Development using Kotlin, Node.js, and TypeScript, with a strong focus on optimizing API performance and database queries. Collaborates effectively with cross-functional teams to design and implement scalable backend services and features.

Highest-signal resume keywords

Backend DevelopmentKotlinNode.jsTypeScriptRESTful APIs

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Backend DevelopmentKotlinNode.jsTypeScriptRESTful APIsGraphQLSQL DatabasesPostgreSQLMySQLPerformance Optimization

Soft Skills

Advanced English CommunicationCollaboration

Tools & Technologies

BFF (Backend-for-Frontend)Caching StrategiesMonitoring ToolsObservability ToolsLogging Tools

Industry Keywords

Service-Oriented ArchitectureMicroservicesDesign Systems

Tech Stack

Tools & technologies

GraphQLJavaScriptKotlinMicroservicesMySQLNode.jsPostgresReactSQLTypeScript

About the role

Key responsibilities & impact

Develop and maintain scalable backend services and APIs that power the menu experience across mobile and web
Implement and optimize the BFF (Backend-for-Frontend) layer, ensuring efficient data handling and low-latency API responses
Collaborate with frontend, mobile, and product teams to design and implement new menu-related features
Optimize database queries and caching strategies for high-performance API responses
Improve monitoring, observability, and logging for backend services
Participate in code reviews and engineering discussions, contributing to technical best practices

Requirements

What you’ll need

+5 years of experience with:
Backend development, with expertise in Kotlin or other JVM based language.
Backend development, with on Node.js and TypeScript.
Typescript and ReactJS web apps, or similar.
Strong understanding of RESTful APIs, GraphQL, and backend-for-frontend (BFF)
Experience working with SQL databases (PostgreSQL or MySQL) and optimizing queries
Familiarity with service-oriented architecture and microservices
Strong debugging and troubleshooting skills for backend services and APIs
Solid understanding of performance optimization, caching, and API response efficiency
Prior experience working on (or with) established design systems.
Advanced English communication skills, with the ability to collaborate across teams.

Benefits

Comp & perks

💸 Get paid in USD.
🗺 Work remotely: design the life that you want.
⛱ Enjoy 15 business 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.
🧘🏽‍♀️ Customize the benefits that suit your needs! Access a range of perks tailored to you, including learning opportunities, wellness memberships, delivery apps, and more through our comprehensive benefit platform.
🧑‍🏫 Personalized English coach.