Senior Python Developer

Toronto, ON
Hybrid
Posted Oct 8, 2026
1 position

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Employment type: Contract
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week
Office presence: 4 days per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Develop and support production Python services and batch jobs, including responsibilities for on-call support. Build and maintain integrations using Oracle, messaging platforms, REST APIs, and high-volume data formats, with reliable delivery, reconciliation, and operational monitoring.

Job details

Senior Python Developer Location: Toronto Ontario- hybrid 4 days Contract to hire Job Summary 8+ years production Python; services and batch jobs you were personally on call for Oracle: strong SQL, bind variables, bulk DML, execution-plan reading; oracledb / cx_Oracle RHEL fluency: bash scripting, cron/systemd, process and log forensics, packaging and deployment IBM MQ (pymqi) and Solace (solace-pubsubplus): queues, topics, redelivery, poison messages, backlog drainage Enterprise integration patterns: pub/sub, request-reply, guaranteed delivery, idempotency, replay, reconciliation and acknowledgement write-back REST API design and consumption; auth, retries, timeouts, backpressure Confident with JSON, XML (XSD, XPath, namespaces) and CSV at volume, parsing, generating and validating Effective, disciplined use of AI coding tools such as Claude Code and Copilot: scoped prompts, repo context, reviewed and tested output, never unverified code into a release pytest, Git, code review, and clear written design notes Nice to have SWIFT MT/MX message formats and settlement messaging Securities lending, repo, collateral or post-trade settlement domain knowledge HashiCorp Vault, Control-M or Tidal, Jenkins, Maven, Nexus pandas and openpyxl for data work; Sybase or SQL Server Reading C++ or Java well enough to trace a message through vendor code Thanks & Regards, Navin Singh Recruiter – Talent Acquisition Group Phone: 973-370-7023 Address: 200 Metroplex Drive, Suite 300, Edison, NJ 08817 Mail: Navin.singh@irissoftware.com www.irissoftware.com

What you’ll do

Requirements

Requires 8+ years of production Python experience, strong Oracle SQL skills, RHEL fluency, and experience with IBM MQ and Solace messaging. Candidates should also be proficient in API integration, JSON/XML/CSV processing, pytest, Git, code review, and disciplined use of AI coding tools.