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Senior Full-Stack Engineer, Activation at Cookunity
CookunityBuenos Aires, Buenos Aires, Argentina·1w ago
SeniorFull-timeTypeScriptJavaReactNode.jsAWSKubernetesTerraformPostgreSQLMySQLMicroservices
Salary Range
$132,600 - $179,400 /year
This salary is estimated based on similar roles. The actual salary may vary.
About the Role
We are looking for a Full Stack Engineer to join CookUnity’s Activation Team, where you will play a key role in building and optimizing backend services and APIs that power the company’s activation, referral, and reactivation experiences. This role involves working on Server-Driven UI (SDUI) services within our Backend-for-Frontend (BFF) architecture, as well as developing and maintaining backend services and databases.
Key Responsibilities
- →Develop and maintain scalable backend services and APIs that power Activation, Referral, and Reactivation experiences across mobile and web.
- →Build and iterate on user-facing experiences using a Server-Driven UI (SDUI) and BFF architecture, owning features from backend through frontend delivery.
- →Partner closely with Product, Design, and Mobile/Web engineers to deliver high-quality, end-to-end features that impact user activation and retention.
- →Optimize database queries, caching strategies, and API performance to support high-traffic, customer-facing flows.
- →Improve monitoring, observability, and logging to ensure reliability and fast issue detection.
- →Participate in code reviews, technical discussions, and architectural decisions, contributing to shared engineering standards and best practices
Requirements
- ✓5+ years of professional experience as a Full Stack Engineer (or equivalent experience across frontend and backend)
- ✓Strong experience building backend services using Node.js and TypeScript in production environments
- ✓Strong experience building user facing web applications using TypeScript and React
- ✓Solid understanding of frontend backend interactions, including state management, data fetching, and performance considerations
- ✓Experience working with SQL databases (PostgreSQL or MySQL), including query optimization
- ✓Familiarity with service oriented architectures and microservices
- ✓Strong debugging and troubleshooting skills across both frontend and backend
- ✓Solid understanding of performance optimization, including API efficiency and frontend performance
- ✓Experience working with or contributing to established design systems
- ✓Advanced English communication skills, with the ability to collaborate effectively across cross-functional teams
