Lead/Senior Mainframe Developer (Assembler)

Lead / Senior Mainframe Developer

Job #: 3022722 Client & LOB

Client:

Top Canadian Bank LOB:

Personal & Business Banking Terms & Location

Terms:

6‑month contract, subject to extension (multi‑year) Location:

Hybrid; 2+ days per week in Downtown Toronto Specific Functions

Lead projects through all SDLC stages, coaching junior staff and ensuring the bank’s coding standards are maintained Work on complex projects impacting core banking operations Provide senior‑level technical analysis and support for end‑to‑end project teams Support on‑call as needed Qualifications

In‑depth knowledge of core banking processing and mainframe technologies 10–15+ years of system design, analysis and mainframe programming experience Knowledge of assembler, CICS and DB2 are assets Strong analytical skills for complex problem solving Detail oriented with strong organizational skills About this Role

This Lead/Senior Mainframe Developer role supports a major Canadian bank within its Personal & Business Banking portfolio. The position leads end‑to‑end SDLC delivery on complex, business‑critical mainframe initiatives, provides senior technical analysis and guidance to project teams, and mentors junior developers while ensuring adherence to the bank’s coding standards. The role requires deep expertise in core banking systems and mainframe technologies, backed by 10–15+ years of design, analysis and programming experience, along with strong analytical and organizational skills. EEO Employer Statement

Apex is an Equal Employment Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. For accommodations, contact

[email protected]

or 844‑463‑6178. Apex Benefits Overview

Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability and other insurance plans with an optional layer of financial protection. A 401K program allows contributions within 30 days of starting, with a company match after 12 months of tenure. Other benefits include an ESPP, HSA, SupportLinc Employee Assistance Program, corporate discounts, and professional development resources such as on‑demand training, certification prep and access to industry associations.

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