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Mainframe developer Jobs in Ottawa, ON

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Mainframe developer • ottawa on

Last updated: 5 days ago
Gurobi Developer

Gurobi Developer

Randstad CanadaKanata, Ontario, CA
Temporary
Quick Apply
We are hiring a Remote Gurobi Developer to support our client in building and improving mathematical optimization models for real business challenges such as supply chain, scheduling, routing, and ...Show moreLast updated: 14 days ago
Senior Developer

Senior Developer

Opti9 TechnologiesOttawa, ON, CA
Full-time
Quick Apply
Is this you? Are you an experienced Senior Developer with a passion for troubleshooting and debugging complex issues across the stack?. Do you want to be a part of an innovative team in the cl...Show moreLast updated: 16 days ago
  • Promoted
COBOL Developer

COBOL Developer

freelance.caGatineau, Canada
Full-time
We firmly believe in healthy and humane management, where trust, competence, and the joy of succeeding together are at the core of our values. We offer you more than just a job : join an innovative t...Show moreLast updated: 30+ days ago
Frontend Developer

Frontend Developer

NewprintOttawa, Ontario, Canada
Full-time
Quick Apply
In-house at 25-2450 Lancaster Road.Your initial project will be migrating our Magento website from Porto theme (Bootstrap) to Hyvä theme (Tailwind CSS + Alpine. Modern build tools (Webpack, Vite, np...Show moreLast updated: 30+ days ago
Developer

Developer

StafflinkOttawa, ON
Full-time
Work term : 1 year contract to start.Work model : Fully Remote in ON or QC.Security clearance : Reliability level .APIs and web applications in C# (. Angular v4+ framework, utilizing Bootstrap v4 / v5.IT...Show moreLast updated: 30+ days ago
  • Promoted
Software Developer

Software Developer

ActalentOttawa, ON, Canada
Full-time
Actalent is searching for an experienced software developer.The experienced software developer will be responsible for architecting solutions to integrate new products onto the SONiC platform.This ...Show moreLast updated: 29 days ago
  • Promoted
C++ Developer

C++ Developer

Targeted TalentOttawa, ON, Canada
Permanent
We are looking for multiple experienced.Vancouver! You'll be working with cutting edge technology, developing microchips with neural networks. Proficient with python data-science libraries (.Exp...Show moreLast updated: 11 days ago
Developer Intern

Developer Intern

Renesas ElectronicsOttawa, Ontario, Canada
Full-time +1
Must be currently enrolled full time in a university degree program pursing a bachelor or master degree.Must not have graduated before September 2026. We are looking for a Developer Inter who can de...Show moreLast updated: 30+ days ago
Product Optimization Specialist

Product Optimization Specialist

Thermo Fisher ScientificOttawa, Ontario, Canada
Full-time
As part of the Thermo Fisher Scientific team youll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to en...Show moreLast updated: 30+ days ago
  • Promoted
Software Developer, Services

Software Developer, Services

SliceOttawa, ON, Canada
Full-time
Ilir Sela started Slice with the belief that local pizzerias deserve all of the advantages of major franchises without compromising their independence. Starting with his family's pizzerias, we n...Show moreLast updated: 30+ days ago
Systems Administrator – Mainframe Storage Product Solutions

Systems Administrator – Mainframe Storage Product Solutions

1110 Kyndryl Canada LimitedCA152583 Ottawa
Full-time
At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses. We are at the heart of progress; with proven expertise and a continu...Show moreLast updated: 7 days ago
Information Developer

Information Developer

General Dynamics Missions System InternationalOttawa, Ontario, Canada
Full-time
We currently have an opportunity for a Intermediate Information Developer with a passion for technical writing to join our Integrated Logistics Support this role you will be responsible for resear...Show moreLast updated: 21 days ago
  • Promoted
Software Developer

Software Developer

Jatom Systems Inc.-CANKanata, ON, Canada
Full-time
JSI is looking for a backend Software Developer to join our dynamic team in a Scrum-based development environment.You will be developing complex, cutting-edge software that uses a wide variety of t...Show moreLast updated: 19 days ago
COBOL Developer

COBOL Developer

Exposant 3Ottawa, Ontario, .CA
Full-time
Quick Apply
Join Exposant 3 (E3) : The Power of People at the Heart of Technology!.Exposant 3 is a consulting firm in business management and information technology, dedicated to supporting companies and organi...Show moreLast updated: 30+ days ago
Zuora Developer

Zuora Developer

SurveyMonkeyOttawa, Ontario, Canada
Full-time
SurveyMonkey is the worlds most popular platform for surveys and forms built for businessloved by users.We combine powerful capabilities with intuitive design effectively serving every use case fro...Show moreLast updated: 12 days ago
SharePoint Developer

SharePoint Developer

CB CanadaOttawa, Ontario, Canada
Full-time +1
Founded in 1967, ADGA is a privately owned and operated Canadian company.We employ over 700 highly skilled team members who apply their knowledge and expertise in service delivery of advanced techn...Show moreLast updated: 30+ days ago
Software Developer I

Software Developer I

Warner Bros. DiscoveryOttawa, Ontario, Canada
Full-time
Discovery the stuff dreams are made of.When we say the stuff dreams are made of were not just referring to the world of wizards dragons and superheroes or even to the wonders of Planet Earth.Behind...Show moreLast updated: 5 days ago
  • Promoted
IoT Software Developer

IoT Software Developer

Giatec Scientific Inc.Nepean, ON, Canada
Full-time
Location : Ottawa, ON (In-office 5 days a week).AI, and IoT solutions to jobsites worldwide.Our core products - SmartRock, SmartMix, and MixPilot - support the full concrete lifecycle, from mix desi...Show moreLast updated: 21 days ago
  • Promoted
SharePoint Developer

SharePoint Developer

SystematixGreater Ottawa Metropolitan Area, Canada
Full-time
We are Systematix and we are looking for a.The ideal candidate must already possess a security clearance at the Secret level (Level II) or higher. The Developer will work within SharePoint online an...Show moreLast updated: 8 days ago
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Gurobi Developer

Gurobi Developer

Randstad CanadaKanata, Ontario, CA
14 days ago
Job type
  • Temporary
  • Quick Apply
Job description

We are hiring a Remote Gurobi Developer to support our client in building and improving mathematical optimization models for real business challenges such as supply chain, scheduling, routing, and resource planning. You will develop solutions using Gurobi and Python, translate operational needs into clear constraints and objective functions, improve solver performance, and collaborate with technical and business teams to deliver scalable, production ready optimization workflows. If you have 3 plus years of Gurobi experience and a strong background in operations research, we would love to hear from you.

Advantages

  • Fully remote flexibility so you can work from anywhere while supporting high impact projects.
  • Challenging, meaningful work solving real optimization problems that directly improve business performance and decision making.

Responsibilities

  • Build and improve optimization models in Gurobi
  • Translate business needs into constraints and objectives
  • Develop Python based optimization workflows and integrations
  • Tune performance and reduce solve time
  • Run scenario and sensitivity analysis
  • Troubleshoot infeasibility and data issues
  • Collaborate with technical and business teams
  • Document models and support production deployment
  • Qualifications

  • 3+ years building optimization solutions with Gurobi
  • Strong operations research and mathematical optimization skills
  • Python experience preferred (or Java or C++)
  • Proven experience with LP and mixed integer models
  • Experience working with large datasets and scalable workflows
  • Strong debugging and solver log analysis skills
  • Clear communication skills for technical and non-technical audiences
  • Summary

    If you're interested in learning more please submit your résumé and one of our senior Recruiters would be happy to give you a call to discuss further.

    Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary / gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

    Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.