New York, NY
Open Systems Technologies is a tier-one vendor for the world's most competitive financial and technology companies, offering both full-time and contract recruiting services across the country. We offer a positive, entrepreneurial, high performing culture where all employees have the unique opportunity to run a full desk. Our office looks, feels, and operates like a start-up, but with the stability, clientele, and resources that only an industry veteran can provide. At our core, we are structured to be flexible. With over 30 years of experience, OST has been able to stand the test of time and remains the leading provider of IT staffing solutions in NY due to our forward thinking and adaptability through fluctuating job markets and evolving work cultures. Open Systems Technologies is an Equal Opportunity Employer. All decisions regarding employment will be made without regard to age, race, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, marital status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state or local law.
Hybride · Mississauga
The role involves designing and optimizing high-performance backend applications specialized in batch and real-time data processing. The developer will drive the architecture of complex distributed systems and provide technical mentorship to other engineers.
Sur place · Mississauga
Design and optimize high-performance backend applications specializing in batch and real-time data processing. Lead the architecture of complex distributed systems while providing technical mentorship to other engineers.
Sur place · Mississauga
The role involves designing and developing Python-based applications, microservices, and Agentic AI solutions. The engineer will implement event-driven integrations and maintain scalable software adhering to enterprise governance standards.
Sur place · Montréal
Develop and enhance critical risk and pricing systems for Mortgage-Backed Securities. The role involves a mix of system automation, production monitoring, and resolving technical issues to improve operational efficiency.
Sur place · Mississauga
Develop and manage advanced BI solutions and analytics dashboards using Tableau with Sybase and Big Data backends. Responsible for Tableau Server administration, performance optimization of dashboards, and automating extract refreshes.
Sur place · Mississauga
Develop and manage advanced BI solutions and analytics dashboards using Tableau with Sybase and Big Data backends. Responsible for Tableau Server administration on Linux, including installation, upgrades, and automating extract refreshes.
Hybride · Mississauga
Design and deploy production-grade LLM solutions and autonomous agentic systems for reasoning and decision support. Implement orchestration pipelines, RAG systems, and safety guardrails to ensure reliable AI performance.
Sur place · Montréal
The role focuses on managing patching and software deployment activities using Microsoft SCCM to ensure platform resilience and efficiency. Responsibilities include troubleshooting Windows Server OS, developing PowerShell scripts for automation, and authoring technical documentation.
Sur place · Mississauga
Lead application systems analysis and programming activities while coordinating with technology teams to implement new systems. Oversee the end-to-end release process, non-production environment management, and CI/CD pipeline improvements.
Hybride
Job Title: AI Platform Engineer Experience Level: Level 3 (senior): 5-7 years Location: Montreal (Day 1 onboarding onsite / in office presence 3x week) In the Technology division, we leverage innovation to build the connections and capabilities that power our Firm, enabling our clients and colleagues to redefine markets and shape the future of our communities. This is a AI Platform Engineering role at Director level, which is part of the job family responsible for providing specialist GenAI and expertise that drive decision-making and business insights during GenAI development as well as…
Hybride · Mississauga
Analyze large datasets to identify trends and develop predictive models using machine learning techniques. Collaborate with stakeholders to deploy analytical solutions and maintain the machine learning lifecycle.
Sur place · Mississauga
Design, develop, and support Python-based applications, microservices, and Agentic AI workflows. Implement integrations between AI models and enterprise systems while maintaining CI/CD pipelines and operational reliability.
Sur place · Montréal
Act as a liaison between business clients and development teams to translate requirements into technical specifications. Responsible for the development, maintenance, and support of distributed applications while ensuring 24x7 availability and scalability.
Télétravail · ["Canada"]
Key Responsibilities • Design, develop, and enhance high quality software solutions supporting cybersecurity platforms. • Re-architect and modernize core components using contemporary architectures focused on availability, resiliency, and scalability. • Contribute to the delivery of initiatives aligned to the Cyber Security product portfolio roadmap. • Partner with global stakeholders and engineering teams to gather requirements and communicate technical solutions. • Analyze complex technical requirements and support architectural decision making. • Operate effectively in a fast paced environ…
Sur place
As a Senior Project Manager within Technology Services, the role will lead and oversee complex transformation initiatives with a strong focus on managing technology software procurements. This role will be responsible for ensuring the successful delivery of projects that align with strategic objectives, leveraging extensive experience in large-scale project leadership, procurement management, and stakeholder collaboration. Qualifications • Post-secondary education in Computer Engineering, Computer Science or a related discipline or an equivalent combination of education and experience. • Pro…
Sur place
Ideal Candidate Profile The ideal candidate is a highly trusted, proactive, and detail-oriented professional who thrives in a fast-paced, senior executive environment. This role may suit an experienced executive administrator who has supported C-suite or senior leadership stakeholders and understands how to navigate complex corporate environments with professionalism, discretion, and sound judgment. It may also suit a developing business professional who has demonstrated strong administrative, organizational, and communication capabilities and is interested in gaining exposure to executive op…
Hybride
We are looking for Senior Fullstack Java Developer for a Hybrid contract role in Mississauga. This is a 3 days hybrid role in Mississauga. Candidates must take Karat test before Client interview along with application. Its mandatory if you clear Karat test!!! Qualifications 8+ years of software engineering experience with strong expertise in Java application development. Proven experience in a Lead Engineer or senior technical leadership role. Strong experience designing distributed systems, microservices, APIs, and event-driven architectures. Demonstrated ability to influence technical dire…
Sur place · Montréal
The Windows System Administrator will manage patching and software deployment activities, troubleshoot Windows Server Operating Systems, and develop PowerShell scripts for automation. The role involves working with a global team and contributing to various enterprise technology projects.
Sur place · Montréal
The candidate will design and build advanced web and mobile applications while collaborating with cross-functional teams to define and ship new features. They will also work on bug fixing, improving application performance, and ensuring user experience expectations are met.
Sur place · Kanata
The Mechanical Design Engineer designs, develops, and tests mechanical components, equipment, and machinery. They may also be involved in the fabrication, operation, application, installation, and repair of mechanical products.