Leads the design, development, deployment, and production support of Python backend services and automation tooling. Builds REST APIs, administers Linux systems, writes Bash automation, manages systemd services, diagnoses production issues, and collaborates with DevOps on CI/CD, containers, and server hardening. Requires strong Oracle database, security, packaging, Git, and end-to-end service ownership experience.
Key Responsibilities
• Design and develop backend services and automation tooling in Python 3.x.
• Build and consume RESTful APIs using FastAPI / Flask / Django.
• Operate services on Linux (RHEL / Ubuntu / CentOS); manage users, groups, sudoers and file
permissions.
• Write robust Bash / shell scripts for deployment, scheduling (cron / systemd timers) and
housekeeping.
• Package, deploy and monitor services using systemd units, journald and standard Linux tooling.
• Diagnose production issues using strace, lsof, top, iotop, ss, tcpdump and log analysis.
• Collaborate with DevOps on CI/CD, container builds and server hardening.
Must-Have Skills
• 7+ years of production Python development (3.9+).
• Strong Linux administration: file system, processes, networking, systemd.
• Deep understanding of sudo and /etc/sudoers — privilege delegation, NOPASSWD rules, security
implications.
• Proficient in Bash scripting, cron, logrotate and SSH-based automation.
• REST API frameworks: FastAPI, Flask or Django REST Framework.
• Oracle database experience — PL/SQL, stored procedures, query tuning; cx_Oracle / oracledb
driver and SQLAlchemy ORM.
• Virtual environments, pip / poetry, packaging and dependency hygiene.
• Git-based workflows and code-review discipline.
Good-to-Have Skills
• Containerization — Docker, Docker Compose, basic Kubernetes.
• Configuration management (Ansible) or IaC (Terraform).
• Message brokers — RabbitMQ, Kafka, Redis Streams.
• Observability stack — Prometheus, Grafana, ELK.
• Async Python (asyncio, aiohttp) and concurrency tuning.
• Cloud exposure — AWS or Azure for compute, storage and secrets.
Qualifications
Page 2
Job Descriptions – .NET & Python
• Bachelor's/Master's in Computer Science, Engineering or equivalent.
• Comfortable owning services end-to-end — from code to production support.
• Strong problem-solving on Linux and clear technical communication.
Kumaran Systems Toronto, Ontario, CAN Office
703 Evans Avenue, Suite 605 , Toronto, ON , Canada, M9C 5E9
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