Coderio

Senior Backend Engineer – Python/Java

Coderio

contract

Posted on:

Location Type: Remote

Location: Argentina

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Job Level

Senior

Tech Stack

ApacheCloudDjangoDockerGraphQLJavaKafkaKubernetesPythonRabbitMQ

About the role

  • Take full end-to-end ownership of backend features from initial architectural design through pull request management, testing, and final production deployment.
  • Function as a self-starting leader within the squad, identifying technical hurdles before they become blockers and driving the team toward delivery without requiring constant oversight.
  • Build and maintain scalable APIs and services using Python and Django, specifically designed to support rapid A/B testing, feature flagging, and user segmentation.
  • Manage integrations and service-to-service communication between a primary Django environment and existing Java-based integrations, ensuring data consistency and high performance.
  • Proactively use Claude Code and other AI coding assistants to automate documentation, generate unit tests, and refactor code to maintain velocity above traditional engineering benchmarks.
  • Drive the build lifecycle by following through on pull requests, collaborating with mobile engineers to ensure contract alignment, and overseeing automated deployments to cloud environments.
  • Implement and monitor observability tools such as Datadog, New Relic, or Sentry to ensure that rapid experiments do not negatively impact system stability or user experience.

Requirements

  • 5+ years experience in a high-velocity senior backend engineering experience with an end-to-end ownership mindset.
  • 5 + strong leadership autonomy with the ability to drive experiments from concept to production.
  • 5+ years experience in a deep expertise in Python, Django, and Django REST Framework including ORM optimization, middleware customization, and secure authentication patterns.
  • 3+ years experience as a hands-on experience with AI-native development workflows using tools like Claude Code, GitHub Copilot, and Cursor.
  • 5 years experience building scalable APIs for experimentation platforms with A/B testing, feature flagging, and segmentation.
  • 5+ years experience in a ability to manage service-to-service communication in a polyglot environment with Java-based integrations.
  • 4+ years of strong understanding of CI/CD pipelines, Docker, Kubernetes, and automated deployment workflows.
  • 4+ years experience implementing observability and monitoring in production systems.
  • Nice to Have
  • Familiarity with fintech platforms including digital wallets, P2P payments, and PCI-DSS security requirements.
  • 4+ experience with event-driven architectures using Apache Kafka or RabbitMQ.
  • 4+ years experience in exposure to GraphQL for building flexible front-end APIs.
  • 4+ years experience collaborating with ML engineers to integrate personalization or recommendation models.
  • Ability to explain technical trade-offs to non-technical stakeholders and align teams under pressure.
Benefits
  • 100% remote
  • Long-term commitment with autonomy and impact
  • High-velocity experimentation environment with real product ownership
  • Collaborative international team and strong technical culture
  • Clear path to growth within Coderio
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonDjangoDjango REST FrameworkORM optimizationmiddleware customizationsecure authentication patternsA/B testingfeature flaggingCI/CD pipelinesDocker
Soft Skills
leadershipautonomyproblem-solvingcollaborationcommunicationtechnical trade-offs explanationteam alignment under pressure