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Added 24 mins ago
C
Senior .NET Azure Developer
Cognizant
Toronto, ON
- Full-time
As a Senior .NET Azure Developer, you will make an impact by designing and developing end-to-end business applications that integrate AI-driven capabilities with core enterprise workflows.…
Added 24 mins ago
A
Senior Incident and Problem Manager
Aviso
Toronto, ON
- $115,000 to $125,000 CAD / year
- Full-time
Proven experience leading major incidents in a 24x7 or high-availability enterprise environment is required
Added 24 mins ago
B&
Lead, AI Engineering
Bain & Company
Zurich, ON
- Full-time
…stakeholders, translating ambiguous business problems into robust AI applications that can be piloted, scaled, and…
Added 24 mins ago
FN
Senior Technical Analyst Full-time
First Nations University of Canada
Regina, SK
- Full-time
…be responsible for input into and eventual implementation of enterprise applications and all aspects of the roadmap relating to IT infrastructure including – but not limited to – access,…
Added 40 mins ago
M
Dynamics 365 CRM Solution Engineer
Microsoft
Toronto, ON · Ottawa, ON · Vancouver, BC · Edmonton, AB · Calgary, AB
- Full-time
…capabilities across devices, cloud platforms, and everyday business applications, we help organizations realize seamless, innovative, and secure solutions that drive sustained growth and…
Added 54 mins ago
EG
Class 3 Driver
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- Full-time
…Minority Supplier Council (CAMSC) and the Canadian Women Business Enterprise National Council…
Added 54 mins ago
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Power Builder Developer - 29954-RFR-DTS-074
S M Software Solutions Inc
Winnipeg, MB
- Contract
We are seeking an experienced PowerBuilder Developer to work with one of our Public Sector clients located at 215 Garry Street, Winnipeg, Manitoba. The successful candidate will be…
Added 54 mins ago
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Power Builder Developer - 29954-RFR-DTS-074
S M Software Solutions Inc
Winnipeg, MB
- Contract
We are seeking an experienced PowerBuilder Developer to work with one of our Public Sector clients located at 215 Garry Street, Winnipeg, Manitoba. The successful candidate will be…
Added 54 mins ago
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Associate Director
S M Software Solutions Inc
Toronto, ON
- Full-time
…technologies to work alongside leaders across Capital Markets and…
Added 54 mins ago
C
Analyste Produit
CGI
Montreal, QC
- Full-time
Good understanding of enterprise software, business applications, and digital solutions.
Added 54 mins ago
SM
Power Builder Developer - 29954-RFR-DTS-074
S M Software Solutions Inc
Winnipeg, MB
- Contract
We are seeking an experienced PowerBuilder Developer to work with one of our Public Sector clients located at 215 Garry Street, Winnipeg, Manitoba. The successful candidate will be…
Added 54 mins ago
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Software Developer – Full Stack – Senior - RQ00799
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience in enterprise integration, API development, MuleSoft, Apache Camel, Enterprise Java, REST APIs, cloud and…
Added 54 mins ago
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Software Developer – Full Stack – Senior - RQ00799
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience in enterprise integration, API development, MuleSoft, Apache Camel, Enterprise Java, REST APIs, cloud and…
Added 54 mins ago
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Associate Director
S M Software Solutions Inc
Toronto, ON
- Full-time
…technologies to work alongside leaders across Capital Markets and…
Added 54 mins ago
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Software Developer – Full Stack – Senior - RQ00799
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience in enterprise integration, API development, MuleSoft, Apache Camel, Enterprise Java, REST APIs, cloud and…
Added 54 mins ago
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Associate Director
S M Software Solutions Inc
Toronto, ON
- Full-time
…technologies to work alongside leaders across Capital Markets and…
Added 54 mins ago
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Green - Business Consultant
FuntoNetwork Consulting
Ottawa, ON
- $65 to $139 USD / hour
- Contract
Project Status: 🟢 Green - Open - Accepting Applications
Added 54 mins ago
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Green - Technology Architect
FuntoNetwork Consulting
Ottawa, ON
- $65 to $139 USD / hour
- Contract
Project Status: 🟢 Green - Open - Accepting Applications
Added 54 mins ago
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RQ00388 – Solution Architect
S M Software Solutions Inc
Fredericton, NB
- Full-time
…experience in IM/IT, application and solutions architecture, enterprise application development, .NET, Microsoft SQL Server, Java, JavaScript, and large-scale healthcare applications. The…
Added 54 mins ago
FC
Green - Project Manager
FuntoNetwork Consulting
Ottawa, ON
- $65 to $139 USD / hour
- Contract
Project Status: 🟢 Green - Open - Accepting Applications
Added 54 mins ago
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RQ00388 – Solution Architect
S M Software Solutions Inc
Fredericton, NB
- Full-time
…experience in IM/IT, application and solutions architecture, enterprise application development, .NET, Microsoft SQL Server, Java, JavaScript, and large-scale healthcare applications. The…
Added 54 mins ago
SM
RQ00388 – Solution Architect
S M Software Solutions Inc
Fredericton, NB
- Full-time
…experience in IM/IT, application and solutions architecture, enterprise application development, .NET, Microsoft SQL Server, Java, JavaScript, and large-scale healthcare applications. The…
Added 54 mins ago
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AI Engineer
S M Software Solutions Inc
Mississauga, ON
- Full-time
…focuses on designing, building, and deploying Python-based AI/LLM applications and scalable enterprise solutions, with responsibilities spanning AI-powered analytics, data pipelines, API…
Added 54 mins ago
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RQ11645 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with demonstrated experience designing, developing, testing, and supporting enterprise web applications and AI-enabled solutions. The…
Added 54 mins ago
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AI Engineer
S M Software Solutions Inc
Mississauga, ON
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Citi

Senior Mainframe Applications Developer

Mississauga, ON, Canada

$94,300.00 - $141,500.00 · Full-time

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Job details

Pay: $94,300.00 - $141,500.00
Job type: Full-time
Experience: 5 to 8 years of experience in systems analysis and applications development.
Posting language: English
Posted: Oct 5, 2026

Original job description

As a Senior Mainframe Applications Developer, you will build, test, and support critical mainframe applications using COBOL, JCL, and CICS, directly shaping how Citi's technology platforms serve its business users. This role sits within Citi's Technology team, where you will take ownership of the full development lifecycle, from design through implementation, while advising teams on best practices. You will work with a high degree of independence, acting as a go-to specialist for complex application challenges.

Responsibilities

Design and build new or revised mainframe applications using COBOL, JCL, and CICS to meet specific business needs.

Lead feasibility studies, time estimates, and cost estimates to support technology planning decisions.

Manage every phase of the development lifecycle, including analysis, design, construction, testing, and implementation.

Provide ongoing operational support to business users on live applications.

Analyze complex system and business process issues, drawing on in-depth application development expertise to resolve them.

Develop security measures following implementation reviews to strengthen system design and functionality.

Advise clients and other technology teams on programming solutions and support the rollout of customer-facing systems.

Coach junior developers and help define development standards for the wider team.

Required Qualifications & Skills

5 to 8 years of experience in systems analysis and applications development.

Hands-on experience building and maintaining applications with COBOL.

Hands-on experience writing and managing JCL scripts.

Practical experience developing with CICS.

A track record of managing and delivering successful technology projects.

Working knowledge of project management and consulting techniques.

Ability to manage shifting priorities and tight deadlines without losing focus on quality.

Bachelor's degree or equivalent practical experience.

Education:

Bachelor’s degree/University degree or equivalent experience

What We Offer

Join a technology team where your mainframe expertise directly supports systems used across the business, and where your growth is matched by real ownership of projects.

Work in a hybrid model with 3 days in the office and 2 days working remotely.

Gain exposure to large-scale systems and global technology teams.

Access structured learning and development programs to grow your technical skills.

Benefit from financial wellbeing programs and resources that support long-term planning.

Work in an environment that supports a sustainable balance between career and personal life.

Build and support the mainframe systems that keep Citi's business running by applying today.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$94,300.00 - $141,500.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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More about this job

Responsibilities

Design, build, and maintain critical mainframe applications using COBOL, JCL, and CICS while managing the full development lifecycle. Provide operational support, lead technical planning, and mentor junior developers to ensure high-quality system delivery.

Requirements

Requires 5 to 8 years of experience in systems analysis and applications development with hands-on expertise in COBOL, JCL, and CICS. A bachelor's degree or equivalent practical experience is mandatory for this role.

Skills

Cobol
Jcl
Cics
Systems analysis
Applications development
Project management
Consulting
Software design
Technical leadership
Operational support
Security measures
Mentoring
Mainframe development
Feasibility studies
Cost estimation

Benefits

Hybrid work model
Structured learning and development programs
Financial wellbeing programs
Work-life balance support

Visa sponsorship

Not detected in the job text

Keywords

Mainframe
Cobol
Jcl
Cics
Systems analysis
Applications development
Project management
Consulting
Technical planning
Operational support
Security
Mentoring
Technology
Hybrid work
Financial services
Enterprise systems

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