senior backend developer (fastapi)

توضیحات آگهی

Role Overview We are seeking a Senior Backend Developer with deep expertise in FastAPI and modern backend architecture to join our high impact engineering team You will design and implement highly scalable APIs optimize system performance and ensure secure integrations with financial services and third party systems This role demands both hands on technical leadership and a strategic systems mindset This is a key role in our growing fintech platform where quality reliability and precision truly matter Key Responsibilities Design develop and maintain scalable microservices using FastAPI and Python 3 10 Implement and integrate authentication and authorization flows using Keycloak OpenID Connect OAuth2 Develop event driven systems leveraging Apache Kafka as the messaging backbone Optimize APIs for high performance and reliability in financial transaction environments Design and maintain CI CD pipelines using Docker Kubernetes and modern DevOps tools Collaborate closely with product managers frontend engineers and data teams to deliver seamless fintech experiences Ensure security observability and fault tolerance across all backend services Mentor junior developers and contribute to engineering best practices Must Have Qualifications 5 years of professional backend development experience Strong proficiency in Python and FastAPI framework Solid understanding of microservices architecture RESTful APIs and asynchronous programming asyncio Proven experience with Keycloak or other IAM solutions Experience with Kafka Redis and PostgreSQL in production grade systems Hands on experience in containerization Docker and orchestration Kubernetes Familiarity with CI CD tools GitLab CI Jenkins or GitHub Actions Strong understanding of software security monitoring and API scalability Excellent problem solving and debugging skills Strong communication and collaboration mindset Good to Have Experience in Fintech Banking or Payment Systems Familiarity with DDD CQRS or Hexagonal Architecture Experience with async message driven architectures Knowledge of Cloud Platforms AWS GCP or Azure Familiarity with Prometheus Grafana for observability Contributions to open source projects or tech communities What We Offer Opportunity to shape the future of digital finance in Iran Dynamic mission driven environment backed by Charisma Holding Competitive compensation and benefits package Continuous learning professional growth and collaboration with top tier engineers تهران تهران آرژانتین تمام وقت کاریزما کارشناس ارشد جنسیت تفاوتی ندارد سرمایه گذاری و مالی