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Backend & API Developer (Romania)

Qubit Labs, за кордоном
Джерело:
jobs.dou.ua
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Backend & API Developer

Overview

We are looking for a Backend & API Developer with strong experience in designing scalable backend systems, building APIs, and integrating enterprise platforms in cloud-native environments. The ideal candidate has hands-on experience with Python-based backend development, distributed architectures, and modern DevOps practices.

Required Experience & Skills

Core Engineering

5+ years of professional software engineering experience

Strong expertise in Python

Proficiency in at least one additional programming language (e.g., Node.js or Java)

Strong understanding of software architecture and backend design principles

Backend Development

Hands-on experience with backend frameworks such as FastAPI, Flask, or Django

Experience designing and developing RESTful APIs and microservices

Solid understanding of distributed systems architecture and asynchronous processing

Experience with API versioning, authentication, authorization, and performance optimization

Cloud & DevOps

Experience working with Docker and Kubernetes

Familiarity with CI/CD pipelines and automated deployment processes

Experience delivering backend solutions in cloud environments such as AWS, Azure, or Databricks

Understanding of monitoring, logging, and observability practices

API & Enterprise Integrations

Experience integrating REST and/or OData APIs

Experience integrating enterprise platforms and external services

Understanding of authentication protocols and secure API communication

Experience working with third-party services and data synchronization

AI & Modern Backend Capabilities

Experience supporting AI-enabled backend services and integrations

Familiarity with Retrieval-Augmented Generation (RAG) concepts, embeddings, and vector databases is a plus

Understanding of secure LLM integration practices, including prompt injection mitigation, is considered an advantage

Engineering Practices

Experience working in Agile/Scrum environments

Strong problem-solving and debugging skills

Ability to work independently and collaborate within cross-functional teams

Good written and verbal communication skills in English

Nice to Have

Experience with MLOps tooling

Familiarity with event-driven architectures and message brokers

Experience with caching solutions and high-load systems

Exposure to AI agent frameworks such as LangChain or LangGraph

Experience with enterprise SaaS integrations

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