Senior Backend & Frontend Engineer
Company:The Flex
Location:Paris
Languages:English
Seniority level:Senior
Skills:
AWSBackend DevelopmentLeadershipNode.jsPythonDynamoDBFrontend DevelopmentSoftware ArchitectureTypeScriptFastAPIReactMentoringMicroservices
Requirements:
Strong experience with Node.js / TypeScript, Python (FastAPI), or equivalent backend frameworks Solid expertise in React or another modern frontend framework Deep familiarity with AWS, especially serverless (Lambda, DynamoDB, EventBridge, SQS) Strong understanding of distributed systems, microservices, and event-driven architecture Experience building scalable, production-grade APIs and real-time systems
Responsibilities:
Design and build APIs, data pipelines, and backend services Develop microservices and event-driven workflows Create fast, clean, and intuitive frontend interfaces Design fault-tolerant, observable systems for high-throughput workloads Connect to services like Stripe, Twilio, Airbnb, Hostaway Drive technical decisions and mentor other engineers
