OS

Open Systems Technologies

Verified Job SourceRecruitment agency

New York, NY

Staffing and Recruiting
201–500 people

About

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.

Open positions

DevOps, Kubernetes, and Site Reliability Engineer

On-site · Montréal

Design, automate, and support reliable application platforms and CI/CD pipelines within a financial services environment. Collaborate with cross-functional teams to improve software delivery, platform stability, and operational resilience.

Python Developer

On-site · Mississauga

Design, develop, and support Python-based applications, microservices, and REST APIs. Contribute to the creation of Agentic AI workflows and integrate AI models with enterprise systems.

NET Developer/Angular/SQL/React

On-site · Mississauga

Design and develop software solutions using .NET Core, Angular, and Node.js for a Financial Calculation Engine. Collaborate with stakeholders and BAs to translate business requirements into high-quality code and technical documentation.

Full Stack Java

On-site · Mississauga

The role involves designing, developing, and managing code for existing programs and reusable frameworks. Responsibilities include performing various testing phases, investigating production issues, and documenting solutions using JIRA.

Back End Java

On-site · Mississauga

Design and optimize high-performance backend applications specializing in batch and real-time data processing. Lead the architecture of complex distributed systems while ensuring clean, maintainable, and efficient code.

Python Developer

Hybrid · Mississauga

Design and develop Python-based applications, microservices, and Agentic AI workflows. Collaborate with business partners to build scalable software solutions and maintain event-driven integrations.

Capital Markets Project Manager

On-site · Mississauga

Drive the execution of strategic deliverables and transformative regulatory programs within the Markets business. Lead stakeholder meetings and working groups to define project plans and ensure alignment with data management practices.

Python Developer - Remote

Remote · ["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…