Junior Software Engineer, Python (Remote)

TL;DR

Junior Software Engineer (Python): Building highly available low-latency microservices across revenue domain billing, tax calculation, customer commitment management, and AI-powered revenue operations agents with an accent on API design, scalability, and performance. Focus on designing developer-friendly APIs, identifying latency issues, creating automation tools, and resolving production incidents.

Remote (Sao Paulo, Brazil)

Company

Industry leader building the future of global connectivity through a private multi-cloud IP network, hyperlocal edge technology, and intuitive APIs for seamless interconnection.

What you will do

• Design developer/agent-friendly APIs.
• Build, test, and deploy applications for critical global communications services.
• Identify and resolve issues related to latency, scalability, and performance.
• Create tools and AI agents to automate revenue operations.
• Investigate and resolve production issues by tracing logs, data, and code.

Requirements

• 5+ years of professional software development experience with object-oriented language.
• Experience with web application development using Python (FastAPI, aiohttp, or similar).
• Experience designing and building RESTful APIs.
• Experience with asynchronous programming.
• Comfort with PostgreSQL and relational databases at scale, schema migrations, raw SQL, query optimization.
• Experience with event-driven architectures and message brokers (RabbitMQ, Kafka or similar).
• Experience in highly available, uptime-critical production environments.
• Deep knowledge of microservice architecture patterns and anti-patterns.
• Familiarity with Docker, Kubernetes, Consul, GitHub Actions, Argo CD, Prometheus, or OpenTelemetry.
• Strong troubleshooting skills for logs, databases, distributed systems.
• Comfort owning services in production, including on-call and incident resolution.
• Comfort using AI coding agents while relying on own judgment.

Nice to have

• Experience with billing, tax, or financial systems.
• Telecom domain knowledge.
• Experience with SQLAlchemy and Alembic.
• Thoughtful decision-making, knowing when to move fast or optimize long-term.
• Interest in fast-paced, product-driven environment.
• Up to date with latest technologies and patterns.
• Familiarity with agent communication protocols (MCP, A2A).
• Experience building AI agents or LLM-powered applications.

Culture & Benefits

• Fast-paced, gritty environment within awesome Python team.
• Opportunity to own services and make huge impact while scaling.
• Continuous learning and growth in financially stable, profitable company.
• Collaborative group solving mission-critical problems with best ideas valued.
• Build resilient, reliable systems for daily communications.