Python Lead

Kumaran; Toronto; On-site; CAD 120,000 - 170,000; Full time

Job summary

Kumaran Systems is seeking an experienced backend engineer to design and build robust Python services and automation tooling. You will work across Linux environments, craft RESTful APIs with FastAPI/Flask/Django, and collaborate closely with DevOps on CI/CD, containerization, and server hardening.

The role requires deep Python expertise, strong Linux administration skills, and experience with Oracle databases and modern packaging tools. Bachelor’s/Master’s in CS or Engineering preferred.

Qualifications

• 7+ years of production Python development (3.9+).
• Deep understanding of sudoers and NOPASSWD rules and 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.

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
• 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.

Skills

Python development

sudoers security

Bash scripting

REST frameworks

Oracle DB

Python packaging

Git workflows

Education

Bachelor's/Master's in CS or Engineering

Tools

cx_Oracle / oracledb

SQLAlchemy

Pip/Poetry

Job description

Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and embracing AI-led possibilities. With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building automation-first, GenAI-enabled ecosystems across the Banking and Financial Services, Insurance, Telecom, and Automotive sectors. We help organisations not just upgrade their systems but reimagine what’s possible.

Why Kumaran?

We blend engineering discipline with AI innovation, helping clients modernise with confidence, automate with clarity, and scale with purpose. Our global delivery model ensures agility, responsiveness, and seamless collaboration, with clients always at the heart of every engagement. At Kumaran, we don’t just solve problems, we engineer future-ready transformations.

Job Description

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
• 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+).
• 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

• 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

• 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 is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran disability or genetic information or any other reason prohibited by law in employment.