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Cobol developer Jobs in Old toronto, ON

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Cobol developer • old toronto on

Last updated: 13 hours ago

Frontend Developer - Remote

YO AI LabsToronto, ON, Canada
Remote
Full-time
Quick Apply

AI training project by creating reinforcement learning environments that evaluate AI models on complex software engineering tasks using.You will design reproducible environments, deterministic veri... Show more

Senior Developer

Randstad CanadaToronto, Ontario, CA
Temporary
Quick Apply

We are seeking a highly accomplished Senior Developer for an enterprise-level contract opportunity based in Toronto.In this role, you will take on a premier software engineering and database modern... Show more

Python Developer

GTT, LLCToronto, ON
Full-time

Hybrid 4 days per week onsite, 1 day work from home.Monday to Friday, core business hours.Our technology team builds and supports modern engineering capabilities that help deliver secure, scala... Show more

.Net Developer

CorGTAToronto, Ontario, Canada
Full-time +1

NET Developer (Junior/Intermediate) — SHN Legacy Application Portal.Oakville, ON (Remote, occasional on-site)  |  Contract, 20-30 hrs/week.We are looking for a Junior to Intermediate.NET Developer ... Show more

Mainframe Developer – DB2, COBOL, CICS, JCL & z/OS.

Astra North Infoteck Inc.Toronto, ON, ca
Full-time

Mainframe Developer – DB2 Application Development.Hybrid - 3 days at client office.Skills: Mainframe DB2 - Application Development.Experience Required: 6-8 Years.Seeking a Mainframe Developer to su... Show more

Software Developer

TuringToronto, Ontario, Canada
CA$200.00–CA$300.00 daily
Full-time
Quick Apply

Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.Turing support... Show more

Azure Developer

Kumaran SystemsToronto, Ontario, Canada
Full-time

We are seeking an experienced Databricks developer withstrong expertise in Azure Databricks, Apache Spark, and modern data engineering practices.The ideal candidate will be responsible for designin... Show more

Software Developer

Teckhorizon IncToronto, ON, Canada
Full-time
Quick Apply

Our Client is looking for a <b>Junior Software Developer</b> with experience in <b>Oracle development, data integration, ETL, and enterprise data platforms</b> to support a ... Show more

 • New!

Lead Java Developer

INFOYAToronto, ON, ca
CA$110,000.00–CA$115,000.00 yearly
Permanent
Quick Apply

Infoya is seeking a hands-on Lead Java Developer who is already operating at a technical lead level and demonstrates the curiosity, judgment, and enthusiasm to grow into broader architecture owners... Show more

Quant Developer

Royal Bank of Canada>TORONTO, Canada
CA$80,000.00–CA$130,000.00 yearly
Full-time

As a Quantitative Developer in RBC Global Asset Management’s Toronto office, you will be a key partner to the Quantitative Research and Investments team.You will deliver custom technology and analy... Show more

SailPoint Developer

Intercast StaffingToronto, ON, CA
Remote
Full-time

Design, configure and implement identity governance solutions using SailPoint to support automated identity lifecycle management and access certification, with close integration to PAM platforms.De... Show more

Software Developer

Innosystech IncToronto, ON, Canada
Full-time
Quick Apply

Job Title:</b> Software Developer - Senior</p> <p><b>Location:</b> Ontario, Canada</p> <p><b>Work Model:</b> Onsite</p> <p><b... Show more

Senior Automation Developer

UpstaffToronto, ON, ca
Full-time

Ministry of Transportation – Labour and Transportation Cluster.Toronto, Ontario – 87 Sir William Hearst Ave.September 18, 2026 – March 31, 2027.September 22, 2026 at 12:00 PM.The Ministry of Transp... Show more

Software Developer

OceanMDToronto, ON, CA
CA$90,000.00 yearly
Full-time
Quick Apply

Join us as we change healthcare for the better.OceanMD, a WELL Health Company, is the leading provider of EMR-integrated Patient Engagement and eReferral tools in Canada, playing a critical role in... Show more

Application Developer

Livingston InternationalToronto, ON, CA
Full-time

Join Livingston and grow your career in the constantly changing world of international trade.Livingston is a market leader offering customs brokerage, international trade consulting, compliance and... Show more

Senior Tandem / Mainframe Developer – HP NonStop | COBOL | TACL | Enscribe

Atlantis IT groupToronto, ON, Canada
Full-time
Quick Apply

Senior Tandem / Mainframe Developer HP NonStop | COBOL | TACL | Enscribe</p> <p><b>Location:</b> Toronto</p> <p><b>Job Type:</b> Contract</p... Show more

Automation Developer

Cleo ConsultingToronto, ON, Canada
Full-time
Quick Apply

Assignment: RQ11677 - Automation Developer - Senior</b></div> <div><b>Job Title: Automation Developer</b></div> <div><b>Requisition (SS): RQ11677<... Show more

Mainframe Application Developer to design, develop, and maintain enterprise-grade mainframe

S.i. SystemsToronto
Full-time +1

Our financial services client is seeking a.Mainframe Application Developer to design, develop, and maintain enterprise-grade mainframe applications using COBOL, CICS, PL/1, JCL, DB2, and VSAM.Durat... Show more

Lead iOS Developer

hireVouchToronto, Ontario, USA
Full-time

You will learn and adopt best practices like writing clean and reusable code using practices like TDD, mobile architecture patterns, design, and pair programming.You will use and advocate for conti... Show more

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Frontend Developer - Remote

Frontend Developer - Remote

YO AI LabsToronto, ON, Canada
23 days ago
Job type
  • Full-time
  • Remote
  • Quick Apply
Job description

Senior Software Engineer

Job Type: Contractor (~15 hours/week)
Location: Remote

Job Summary

We are seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software engineering tasks using Model Context Protocol (MCP) tools.

You will design reproducible environments, deterministic verification, and reference solutions for tasks such as bug fixing, feature implementation, codebase refactoring, and performance optimization. No prior AI experience is required.

Key Responsibilities

  • Create reinforcement learning environments for software engineering tasks.
  • Design tasks involving bug fixing, feature development, refactoring, and performance optimization.
  • Build deterministic verification systems and golden reference solutions.
  • Evaluate AI agents' ability to reason through complex codebases and use MCP tools effectively.
  • Develop realistic, reproducible software engineering scenarios.
  • Ensure tasks accurately measure coding ability, problem-solving, and tool usage.
  • Document solutions and provide clear technical feedback.

Required Skills

  • Strong proficiency in Python 3, Java, Rust, C++, or TypeScript.
  • Strong understanding of algorithms and data structures.
  • Experience with bug fixing and debugging complex software issues.
  • Proven experience in feature implementation and codebase refactoring.
  • Strong knowledge of performance optimization and tuning.
  • Excellent written and verbal communication.
  • Strong attention to detail.

Preferred Qualifications

  • Experience working with large-scale or distributed codebases.
  • Familiarity with AI/ML systems is a plus but not required.
  • Experience with rigorous code reviews and software engineering best practices.
  • Experience working effectively in remote or cross-functional teams.

Hiring Process

  1. Submit an application and screening questions.
  2. Complete an AI interview (~30 minutes).
  3. Complete a technical assessment, if required.
  4. Hiring Manager review.

Compensation

Compensation is output-based, with payment provided per task that meets project specifications. Minimum weekly submission requirements may apply.

Availability

Selected experts should be prepared to begin their first tasks within 24–48 hours of completing onboarding.