Note: The job is a remote job and is open to candidates in USA. CookUnity is a pioneering platform connecting the world with chef-crafted meals, and they are seeking a Senior Backend / Platform Engineer to enhance their smart fridge platform for workplaces. This role focuses on backend development, platform reliability, and collaboration with mobile engineers to deliver seamless user experiences.
Responsibilities
- Develop & Improve Platform and Services: Build new backend features and enhance existing functionality in our PHP/Symfony services that power the Fraîche mobile app and operational tooling. Ensure reliable integrations across PostgreSQL, Elasticsearch, message queues, and Redis
- Infrastructure & Platform Support: Own and improve platform reliability, scalability, and operational excellence. The system currently runs on Upsun infrastructure; help maintain and optimize it while preparing for a potential migration from Upsun to AWS in the near future
- Collaborate on Migration Strategy: Work with the team to plan and gradually implement a potential migration of infrastructure (and related components) to AWS, aligning with CookUnity’s broader B2B tech stack. Be open to adopting new tools and best practices as the platform evolves
- Cross-Functional Collaboration: Partner closely with frontend/mobile engineers, backend and full-stack engineers across B2B (including Fraîche) to integrate APIs and ensure smooth end-to-end functionality. Work with product managers and operations teams to refine requirements and improve user workflows
- Hardware & IoT Integration (Backend Focus): Implement backend solutions that support interaction with our smart fridge hardware — for example, secure fridge unlock workflows, real-time inventory updates, and robust event processing via message queues. Bring creative ideas to make fridge-user interactions more seamless and automated
- Mobile Contributions (Approx. 30%): Contribute to the Fraîche mobile app to support hardware-aware flows and critical user journeys, ideally using Flutter (or React Native). Collaborate with mobile-focused engineers to ensure app changes integrate cleanly with backend services
- Quality & Best Practices: Write clean, maintainable code with proper architecture, testing, and observability. Participate in code reviews and ensure high performance, reliability, and responsiveness across backend systems. Contribute to documentation, deployment processes, and continuous improvement initiatives
- Support the on-call rotation to help the business run 24/7
Skills
- Senior-level backend engineer with multiple production experiences building and deploying backend systems using PHP and Symfony (or comparable frameworks). Demonstrated ownership of services, APIs, and production operations
- Strong experience working with PostgreSQL and Elasticsearch, including data modeling, indexing strategies, and performance tuning
- Proficiency with message queues (publish/consume patterns, retries, idempotency) and Redis (caching, rate limiting, locks, pub/sub as applicable)
- Comfort operating and supporting production systems, debugging incidents, improving reliability, and collaborating on infrastructure initiatives. Familiarity with PaaS environments (e.g., Upsun/Platform.sh-style systems) and interest in cloud platforms like AWS
- Ability to contribute to mobile development (about 30% of the role), ideally with Flutter or React Native, focusing on integrating backend APIs and supporting critical user flows
- Interest or exposure to evolving stacks and willingness to learn new technologies that align with our platform direction, including a potential Upsun → AWS migration
- Good communication skills and experience working in cross-functional teams. Ability to collaborate with product, design, mobile, and backend engineers to deliver features from concept to release
- Intermediate or higher proficiency in English (written and spoken), comfortable working in an international, distributed team environment
- Familiarity with systems that interact with hardware or IoT devices. Enthusiasm for connecting software with physical products – bonus if you've worked on projects involving scanners, MQTT, RFID/NFC, or smart devices
- Experience planning/executing migrations (infrastructure or platform) and working with AWS services in production environments. Understanding of networking, security, IAM concepts, and cloud operations
- Experience with logging/metrics/tracing, alerting strategies, and incident response practices. Ability to improve SLOs/SLAs through pragmatic engineering
- Comfortable with agile development methodologies and asynchronous collaboration. Experience using tools like Jira/Trello for task tracking and Slack/Meet for remote communication
- A proactive mindset toward improving code quality and developer experience. Experience with CI/CD pipelines, automated testing, and release processes is a plus
- Thrives in a fast-paced, innovative environment. Previous experience in a startup or product-focused team where you wore multiple hats is advantageous
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.
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