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Senior Application Developer (Acting/Contract)

AI-First Talent·hiring for a confidential client
Posted 6 days ago · Apply by 29 Jul 2026
$52,300 - $91,300CA5+ yrsFull-time

About this role

Our client is seeking a Senior Application Developer to join their team on a contract basis until January 2028. This role is essential for a major IT modernization initiative and will involve working onsite in Toronto. As a Senior Application Developer, you will contribute to the enhancement, sustainment, and support of enterprise and industrial applications. Your responsibilities will include traveling to distribution centers to support system implementations and integrations.

Key Responsibilities:

  • Participate in full lifecycle application development (SDLC), including research, analysis, design, development, testing, deployment, and support.
  • Design, develop, and maintain scalable enterprise applications and microservices-based solutions.
  • Develop and optimize applications using Java, Python, and PowerShell scripting, including automation and integration services.
  • Design and implement integrations using REST APIs.
  • Develop and customize solutions using the Ignition platform (Inductive Automation).
  • Integrate and support PLC (Allen-Bradley) systems and OPC (Open Platform Communications).
  • Work with the Wonderware platform and Zebra programming.
  • Provide ongoing application support and resolve production issues.
  • Collaborate with business, architecture, and vendor teams.
  • Provide technical guidance and maintain documentation.

Required Skills & Qualifications:

  • Bachelor’s degree in Computer Science, Information Systems, Engineering, or equivalent experience.
  • 5+ years of experience in enterprise application development using Java and/or Python.
  • Strong experience with microservices architecture and REST APIs.
  • Hands-on experience with the Ignition platform (certification preferred, Gold level an asset).
  • Proficiency in Python and PowerShell scripting.
  • Knowledge of PLC programming (Allen-Bradley) and OPC.
  • Experience with Wonderware and Zebra programming.
  • Strong knowledge of MS SQL, Oracle, PostgreSQL, including queries, reporting, and database administration.
  • Strong technical documentation skills.

Nice to Have / Preferred Skills:

  • Understanding of network protocols and Wireshark.
  • Experience with Windows and Linux.
  • Familiarity with Docker.
  • Exposure to OpenVMS; knowledge of C++ or Fortran.
  • Experience integrating Ignition/PLC with Manhattan systems.
  • Familiarity with CI/CD, Git, DevOps, Agile/Scrum.

Core Competencies:

  • Strong analytical and problem-solving skills.
  • Experience performing reverse engineering on complex systems.
  • Experience both leading complex projects and working independently.
  • Experience creating detailed technical documentation.
  • Self-learning and continuous improvement mindset.

What we offer:

Our client provides a comprehensive suite of benefits, including health/dental benefits, access to an Employee & Family Assistance Program, a defined benefit pension, and discounts on products and services. Join an organization where you can be challenged while achieving your true potential in a safe, healthy, diverse, and inclusive workplace.

This role is managed by AI-First Talent on behalf of our client. Your application is reviewed directly by our talent team.

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