Mainframe/Assembler Developer
5 days ago
Location Address 2201 Eglinton Ave East - Scarborough Contract Duration 02/16/2026 to 04/30/2026 Possibility of Extension & Conversion to FTE Possible Schedule Hours 9am-5pm Monday-Friday; standard 37.5 hrs/week (Possible OT) Story Behind the Need (Reason for hiring) The team requires a highly specialized Mainframe/Assembler Developer to support complex legacy systems, modernize critical applications, and ensure stability, security, and performance across high impact banking platforms. This role fills a senior technical gap and supports ongoing transformation and maintenance initiatives. Business group Mainframe Application Development / Core Banking Technology Project Enhancement, modernization, and ongoing support of large scale mainframe applications, including Assembler based components, COBOL programs, and integration with enterprise systems such as WebSphere, Informatica, and ETL pipelines. Candidate Value Proposition The successful candidate will have the opportunity to: Work on mission critical banking systems with high visibility and impact. Lead complex development initiatives using advanced mainframe technologies. Influence modernization efforts and contribute to long term architectural improvements. Collaborate with senior engineers, architects, and cross functional teams across the bank. Apply deep technical expertise in an environment that values innovation and continuous improvement. Typical Day in Role Analyze complex business and system requirements and translate them into detailed technical specifications. Design, develop, enhance, and maintain Assembler and COBOL programs within large scale mainframe environments. Support modeling, simulation, performance tuning, and troubleshooting activities. Work with JCL, DB2, VSAM, and mainframe utilities to deliver robust and secure solutions. Ensure compliance with enterprise standards for quality, security, and regulatory requirements. Participate in Agile/iterative SDLC processes, including daily standups, sprint planning, and code reviews. Collaborate with infrastructure, security, DevOps, and integration teams as needed. Candidate Requirements / Must Have Skills 10+ years of recent, hands on Assembler (HLASM) development experience — expert level proficiency required. 10+ years of mainframe development experience using COBOL, JCL, DB2, VSAM, Netron. 5+ years’ experience with security and environment control systems such as ISPW, Endevor, RACF; plus database management tools (IDB2, VSAM). 5+ years’ experience with mainframe utilities and productivity tools (MVS/TSO, ACR, COMPAREX, SYNCSORT, IDCAMS, CRF, File Manager). 5+ years of strong DB2, DFSORT, JCL, and COBOL experience supporting large scale enterprise applications. Nice To Have Skills Understanding of file transfer protocols (FTP, SFTP). Knowledge of mainframe integration for ETL processing. Experience with DevOps practices and tooling. Experience with web services and APIs. Education & Certificates Diploma or Bachelor’s degree in Information Technology, Engineering, Computer Science, or a related field. Additional mainframe or security certifications are an asset. Best vs. Average Candidate A highly seasoned mainframe engineer with deep Assembler expertise, strong COBOL/JCL/DB2 proficiency, and proven experience delivering complex, large scale solutions in a regulated enterprise environment. They demonstrate strong problem solving skills, adaptability, and the ability to work independently while collaborating effectively across teams. #J-18808-Ljbffr
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Mainframe/Assembler Developer
4 days ago
Toronto, Canada LanceSoft Full timeLocation Address 2201 Eglinton Ave East - Scarborough Contract Duration 02/16/2026 to 04/30/2026 Possibility of Extension & Conversion to FTE Possible Schedule Hours 9am-5pm Monday-Friday; standard 37.5 hrs/week (Possible OT) Story Behind the Need (Reason for hiring) The team requires a highly specialized Mainframe/Assembler Developer to support complex...
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Mainframe/Assembler Developer
5 days ago
Toronto, Canada LanceSoft Full timeLocation Address 2201 Eglinton Ave East - Scarborough Contract Duration 02/16/2026 to 04/30/2026 Possibility of Extension & Conversion to FTE Possible Schedule Hours 9am-5pm Monday-Friday; standard 37.5 hrs/week (Possible OT) Story Behind the Need (Reason for hiring) The team requires a highly specialized Mainframe/Assembler Developer to support complex...
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Mainframe Assembler Developer
3 weeks ago
Toronto, Canada Quantum World Technologies Inc. Full timeJob Title: Mainframe Assembler Developer Job Description: Candidate must have worked in Assembler code in recent past (no more than 4-6 months). Ability to analyze, interpret and troubleshoot Assembler codes - The Assembler codes we have are mostly for complex mathematical computation, high volume transaction processing, large CICS/IMS transaction...
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Mainframe Assembler Developer
4 weeks ago
Toronto, Canada Quantum World Technologies Inc. Full timeJob Title: Mainframe Assembler DeveloperJob Description:Candidate must have worked in Assembler code in recent past (no more than 4-6 months).Ability to analyze, interpret and troubleshoot Assembler codes - The Assembler codes we have are mostly for complex mathematical computation, high volume transaction processing, large CICS/IMS transaction processing,...
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Mainframe Assembler Developer
4 weeks ago
Toronto, Canada Quantum World Technologies Inc. Full timeJob Title: Mainframe Assembler DeveloperJob Description:Candidate must have worked in Assembler code in recent past (no more than 4-6 months).Ability to analyze, interpret and troubleshoot Assembler codes - The Assembler codes we have are mostly for complex mathematical computation, high volume transaction processing, large CICS/IMS transaction processing,...
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Mainframe Assembler Developer
4 weeks ago
Toronto, Canada Dawn InfoTek Inc. Full timeAssembler (with COBOL) Developer Dawn InfoTek Inc. is a professional IT consulting team that partners with major financial institutions, investment firms and government sectors. We have been dedicated in delivering cutting-edge consulting services and recruiting all levels of IT positions for our clients. We are looking for a meticulous and enthusiastic...
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Mainframe Assembler Developer
4 weeks ago
Toronto, Canada Dawn InfoTek Inc. Full timeAssembler (with COBOL) Developer Dawn InfoTek Inc. is a professional IT consulting team that partners with major financial institutions, investment firms and government sectors. We have been dedicated in delivering cutting-edge consulting services and recruiting all levels of IT positions for our clients. We are looking for a meticulous and enthusiastic...
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Mainframe Assembler Developer
4 weeks ago
Toronto, Canada Dawn InfoTek Inc. Full timeAssembler (with COBOL) Developer Dawn InfoTek Inc. is a professional IT consulting team that partners with major financial institutions, investment firms and government sectors. We have been dedicated in delivering cutting-edge consulting services and recruiting all levels of IT positions for our clients. We are looking for a meticulous and enthusiastic...
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Mainframe Assembler Developer
6 hours ago
Toronto, Ontario, Canada Dawn InfoTek Inc. Full timeDawn InfoTek Inc.is a professional IT consulting team that partners with major financial institutions, investment firms and government sectors. We have been dedicated in delivering cutting-edge consulting services and recruiting all levels of IT positions for our clients.We are looking for a meticulous and enthusiasticAssembler (with Cobol) Developerto join...
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Senior Cobol
4 weeks ago
Toronto, Canada Dawninfotek Full timeA leading tech firm is seeking a meticulous Assembler/Cobol Developer to join their dynamic team at a bank client in Toronto. The ideal candidate will have over 7 years of mainframe experience in Assembler and more than 5 years with Cobol, alongside proficiency in IMS, CICS, DB2, and JCL. Strong communication skills are essential for collaboration with...
