Senior Software Developer - Python

Role: Software Development (Senior)

Experience Level: 5 to 7 Years

Work location: Mumbai, Bangalore

Must-Have Skills

• Python 3: Strong production experience; asyncio, multiprocessing and threading, packaging and dependency management, typing.
• Message-driven services: RabbitMQ (pika/Celery or equivalent), worker and scheduler patterns, retries, idempotency, dead-letter handling.
• Data stores: MongoDB (PyMongo/Motor), PostgreSQL and Redis; schema and index design for event-heavy workloads.
• APIs: REST services with FastAPI or Flask; authentication, validation, OpenAPI.
• Network and protocol work: Packet parsing or capture libraries (e.g. Scapy), syslog/CEF, SNMP, SSH (paramiko), OPC UA clients (asyncua).
• Rule and analysis engines: Regular-expression and pattern processing, rule evaluation, tagging and enrichment pipelines.
• Containers: Docker images for Python services, Docker Compose to Kubernetes migration, health checks, resource limits.
• Quality: pytest, mocking, integration testing, profiling and memory/CPU tuning of long-running services.
• Linux: systemd, networking, permissions, log handling.

Good-to-Have Skills

• C/C++ (extension modules, libpcap) for packet-capture and recording components.
• Helm, Prometheus/Grafana; Go; basic anomaly detection or ML pipelines.
• Industrial protocols and OT/ICS exposure; Windows Event Forwarding concepts.

Key Responsibilities

• Maintain and extend Python services; fix defects and tune performance.
• Containerize and deploy services on Kubernetes with correct resource limits and health checks.
• Integrate the Python services with other platform components through approved APIs and messaging.
• Write tests, documentation and runbooks; take part in code reviews; mentor peers.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 5+ years of professional Python development on Linux.
• Strong analytical skills; clear communication; client-facing experience preferred.