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/Graph QL APIs mainly in Type Script (Node. Js) and Python

• Build event-driven solutions integrating queues and streams such as SQS/SNS, Kinesis/Event Bridge, or Kafka

• Orchestrate processes using BPM and Step Functions

• Design and operate AWS components including Lambda, API Gateway, S3, RDS/Dynamo DB, 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 Type Script/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/Dynamo DB, IAM, Event Bridge, and other typical backend services;

Experience with messaging, streams, and integration patterns;

Experience with SQL and No SQL 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 Cloud Watch, Open Telemetry, 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 Flexible working hours Intensive Fridays in summer Offices near the beach with a canteen, large terraces, gym, game room, climbing wall, and pool Adaptable compensation plan with Cobee Health insurance paid by Kintai Two team events per year and many after-work events

📌 Backend developer in fintech (Barcelona)
🏢 Enfint
📍 Barcelona