Описание: Kintai helps small and medium-sized businesses and self-employed professionals access working capital as a flexible alternative to traditional financing. The company develops a fintech product designed to support business growth and day-to-day financial needs.
Задачи:
Design and implement microservices and REST/GraphQL APIs mainly in TypeScript (Node.Js) and Python;
Build event-driven solutions integrating queues and streams such as SQS/SNS, Kinesis/EventBridge, or Kafka;
Orchestrate processes using BPM and Step Functions;
Design and operate AWS components including Lambda, API Gateway, S3, RDS/DynamoDB, and IAM, focusing on security, cost, and resilience;
Define Infrastructure as Code with Terraform or CDK;
Maintain CI/CD pipelines;
Ensure quality and observability;
Collaborate with the Product Owner to prioritize, estimate, and self-manage work in an agile environment;
Document architectural decisions and best practices to improve maintainability.
Требования:
~6+ Years of professional backend experience;
~ Strong proficiency in TypeScript/Node.Js;




~ Solid experience with Python;
~ Experience creating and operating APIs and services in production;
~ Advanced knowledge of AWS, including Lambda, API Gateway, S3, RDS/DynamoDB, IAM, EventBridge, and other typical backend services;
~ Experience with messaging, streams, and integration patterns;
~ Experience with SQL and NoSQL databases;
~ Excellent organizational skills, autonomy, responsibility, and a habit of keeping up with the state of the art;
~ Clear communication and a product-focused approach centered on business impact, metrics, and reliability;
~ Nice to have: Experience in fintech, open banking, payments, or risk;
~ Observability with CloudWatch, OpenTelemetry, or Prometheus/Grafana;
~ Cloud security with KMS, Secrets Manager, or least-privilege IAM policies;
~ Knowledge of DDD or hexagonal architecture.

Условия:
Indefinite contract from the start
Adaptable working hours
Intensive Fridays in summer

📌 backend developer in fintech (España)
🏢 Enfint
📍 España