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Ruby developer Jobs in Ottawa, ON

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Ruby developer • ottawa on

Last updated: 4 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: 13 days ago
  • Promoted
Senior Developer

Senior Developer

Opti9 TechnologiesOttawa, ON, Canada
Full-time
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 cloud space? If so, t...Show moreLast updated: 14 days ago
Software Developer (150,000-215,000) at

Software Developer (150,000-215,000) at

Jack & Jill / External ATSOttawa, Ontario, Canada
Full-time
This is a job that we are recruiting for on behalf of one of our customers.Hes an AI agent that sends you unmissable jobs and then helps you ace the interview. Hell make sure you are considered for ...Show moreLast updated: 30+ days ago
Remote Ruby Engineer - AI Trainer

Remote Ruby Engineer - AI Trainer

SuperAnnotateNepean, Ontario, CA
Remote
Full-time
As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show moreLast updated: 30+ 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
Intermediate Software Developer

Intermediate Software Developer

JSIOttawa, ON, CAN
Full-time
JSI is looking for a full stack Software Developer to join our Solutions team.You will be developing complex, cutting-edge software that uses a wide variety of technologies, offering you the opport...Show moreLast updated: 30+ 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
Senior Application Security Engineer

Senior Application Security Engineer

BarracudaOttawa, ON
Full-time
Come join our passionate team! Barracuda is a leading cybersecurity company providing complete protection against complex threats. Our platform protects email, data, applications, and networks with ...Show moreLast updated: 6 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
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: 20 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: 11 days ago
  • Promoted
DevOps Engineer

DevOps Engineer

Targeted TalentOttawa, ON, Canada
Permanent
We are looking for an experienced.Toronto! Our client is a large fintech firm with a product that you've likely used many times before. You have hands-on experience with enterprise-grade infrast...Show moreLast updated: 30+ 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
  • Promoted
Embedded Linux Senior Software Engineer - Optimisation

Embedded Linux Senior Software Engineer - Optimisation

CanonicalOttawa H2B, ON, Canada
Remote
Full-time
Embedded Linux Senior Software Engineer - Optimisation.Embedded Linux Senior Software Engineer - Optimisation.Embedded Linux Senior Software Engineer - Optimisation. Be among the first 25 applicants...Show moreLast updated: 30+ days ago
System Developer Bahamas Service Delivery Group

System Developer Bahamas Service Delivery Group

Canadian Bank Note CompanyOttawa, Ontario, Canada
Full-time +1
As a System Administrator / DBA (System Developer) in our Bahamas Service Delivery group you will be responsible for configuring virtualizing managing and maintaining the IT infrastructure and databa...Show moreLast updated: 21 days ago
  • Promoted
Senior Software Engineer - Web API Platform

Senior Software Engineer - Web API Platform

Scribd, Inc.Ottawa H2B, ON, Canada
Remote
Full-time
Senior Software Engineer, Web API Platform role at.Join our team as we create a world of stories and knowledge, democratize the exchange of ideas and information, and empower collective expertise t...Show moreLast updated: 14 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: 7 days ago
  • Promoted
C++ Developer

C++ Developer

ActalentOttawa, ON, Canada
Full-time
Join the Connected Vehicle Services (CVS) platform team within the Electric Vehicle Design & Development (EVDT) organization. This role focuses on developing the networking platform that enables...Show moreLast updated: 4 days ago
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The cities near Ottawa, ON that boast the highest number of ruby developer jobs are:
Gurobi Developer

Gurobi Developer

Randstad CanadaKanata, Ontario, CA
13 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.