Senior Full Stack Engineer, OpsTech

CookUnity; Municipio de Esquel; Presencial; ARS 179.323.948 - 239.098.598; Jornada completa

Descripción de la vacante

CookUnity is seeking a Senior Full Stack Engineer for the OpsTech Team to own features end-to-end, from design to production, across Fulfillment, Logistics, and Labor Tracking. You will work with engineering leadership to shape architecture, drive reliability, and raise engineering standards using AI-assisted development.

You will contribute across the stack and collaborate with product and operations to deliver scalable, efficient software powering millions of meals daily.

Formación

• 5+ years of professional software engineering experience with TypeScript/Node.js and React.
• Experience designing and building full-stack applications: backend services, APIs, and cloud-hosted web apps.
• Strong knowledge of service-oriented architectures and designing/building backend REST APIs.
• Strong knowledge of PostgreSQL data modeling and query optimization.
• Experience building and maintaining asynchronous systems.
• Experience writing and maintaining unit and e2e tests, and shipping through CI/CD pipelines.
• Advanced level of English.

Responsabilidades

• Design, build, and maintain scalable backend services powering Fulfillment, Logistics, and Labor Tracking operations.
• Own features end to end from analysis and design through implementation, testing, and rollout to production with best practices.
• Contribute across the stack from backend services and data models to internal operational tools.
• Shape software architecture and raise maturity of the tech stack, championing best practices and new technologies.
• Participate in code reviews and mentor other engineers on the team.
• Collaborate with Product Manager, designer, and Operations/Logistics stakeholders in an agile process.
• Support the on-call rotation and help improve uptime 24/7.

Conocimientos

TypeScript/Node.js

React

Full-stack development

REST APIs

PostgreSQL

Asynchronous systems

CI/CD pipelines

Production reliability & observability

English (advanced)

Herramientas

Docker

Kubernetes

AWS

Terraform

DataDog

Jest

Playwright

Redis

Descripción del empleo

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.

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.

About The Team

The OpsTech Team is a critical part of CookUnity’s ChefOS Zone, dedicated to building and optimizing software solutions for Fulfillment, Logistics, and Labor Tracking. This team ensures that orders are efficiently packed, tracked, and delivered with precision, leveraging technology to streamline every step of the process. Our systems directly impact the speed, accuracy, and efficiency of meal delivery, ensuring that customers receive their meals fresh and on time.

The role

As a Senior Full Stack Engineer on the OpsTech Team, you'll report to the Engineering Manager and work closely with the Product Manager to build the systems that run CookUnity's Fulfillment, Logistics, and Labor Tracking operations, software that directly shapes how fast and accurately millions of meals reach our customers.

You'll be a hands-on senior engineer: owning features end to end, tackling the hardest technical problems on the team, and helping evolve our architecture. Beyond writing code, you'll bring a strong technical voice to the team's OKRs and roadmap and help raise the bar on engineering quality.

This is an opportunity to drive meaningful, tangible impact, on the team, the product, and the daily operations that keep CookUnity running.

How we build

AI is a first-class part of how we engineer at CookUnity. Our teams build with AI-assisted coding and agentic tools woven into the everyday workflow, from design and implementation to code review and testing, so engineers spend less time on boilerplate and more on solving hard problems and shipping impact. We actively explore and adopt new AI capabilities, and we're looking for engineers who are excited to push how far this can go and help shape our engineering practices around it.

Our stack

• Languages: TypeScript, Kotlin
• Backend: Node.js with Fastify and Express; plus a Kotlin/JVM service
• Frontend: Next.js, React, TypeScript — internal operational/admin tools
• Data & messaging: PostgreSQL, MySQL, Redis. Event-driven architecture, actively migrating to Temporal for durable workflow orchestration
• Infrastructure & observability: AWS, Kubernetes, Terraform, DataDog
• Testing: Jest, Playwright
• Ways of working: Agile, Service-Oriented Architecture, AI-assisted development, 24/7 on-call rotation

Responsibilities

• Design, build, and maintain scalable backend services that power our Fulfillment, Logistics, and Labor Tracking operations.
• Own features end to end, from analysis and technical design through implementation, testing, and rollout to production — upholding engineering best practices at every stage.
• Contribute across the stack, from backend services and data models to the internal operational tools our teams rely on daily.
• Shape our software architecture and raise the maturity of our technical stack, championing best practices and new technologies.
• Participate in code reviews and mentor other engineers on the team.
• Partner closely with your Product Manager, designer, and Operations/Logistics stakeholders to continually refine the product in an agile process.
• Support the on-call rotation and help improve uptime to keep operations running 24/7.

Minimum Requirements

• 5+ years of professional software engineering experience, with strong hands-on work in TypeScript/Node.js and React.
• Proven experience designing and building full-stack applications end to end: backend services, APIs, and web apps running in the cloud.
• Strong knowledge of service-oriented architectures and designing/ building backend REST APIs.
• Strong knowledge of relational databases (PostgreSQL): data modeling and query optimization (indexing, execution plan analysis, performance tuning).
• Experience building and maintaining asynchronous systems.
• Experience writing and maintaining unit and e2e tests, and shipping through CI/CD pipelines.
• Experience running production services with an eye on reliability and observability.
• Advanced level of English.

Preferred Requirements

• Experience with Kotlin or other JVM languages.
• Experience with React Native.
• Experience working with Docker and Kubernetes.
• You enjoy working in small teams in a fast-paced startup environment.

Learn more about CookUnity

We believe great leadership starts with alignment on vision, values, and ways of working. To give you deeper insight into who we are and what we’re looking for, we invite you to explore CookUnity's Leadership Principles - The values and behaviors that guide how we operate, collaborate, and scale.

We hope this provides valuable insight into our culture and product vision. If this excites you, we’d love to connect!

CookUnity is an Equal Opportunity Employer. We are dedicated to creating a community of inclusion and an environment free from discrimination or harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, citizenship status, protected veteran status, genetic information, or physical or mental disability.

A quick note for all candidates

We've Recently Seen An Increase In Recruitment Scams Across The Industry, And We Want To Make Sure You (and Your Data) Stay Safe While Applying To CookUnity. We Also Want You To Know That We Take This Seriously - Sometimes, As Part Of Our Process, We May Ask For a Brief "proof Of Humanity" To Confirm That We're Connecting With a Real Person, Not An Impersonator. Here Are a Few Tips To Help You Protect Yourself And Know What To Expect From Us

• Apply only through our official channels. All open roles are listed on our official careers page: careers.cookunity.com
• Our recruiters are real people - and easy to verify. You can always find them on LinkedIn with verified profiles. If you're unsure, feel free to reach out to us on our official LinkedIn Company Page.
• We only communicate through official CookUnity channels. That means emails ending in @cookunity.com and interviews held through official company platforms (Google Meet or Zoom) - never WhatsApp, Telegram, or SMS.
• We'll never ask for payment or personal financial details. If anyone does, please don't share any information and let us know right away.

If something ever feels off or you're unsure about a message, we'd much rather you double-check with us. You can always contact us directly through any of our social media channels. We appreciate your interest in joining CookUnity - and we care about keeping your experience (and safety) as genuine as possible.