FlexTrade

About the Company

FlexTrade Systems Inc., is the industry pioneer and global leader in broker-neutral, execution and order management trading platforms for equities, foreign exchange, options, futures and fixed income. FlexTRADER, our award-winning flagship platform for algorithmic trading, is widely viewed as unique in the industry for its high performance and multi-asset capability. With offices in North America, Europe and Asia, FlexTrade has a worldwide client base spanning more than 225 buy- and sell-side firms.

Listed Jobs

Company Name

FlexTrade

Job Title

Senior Citrix Systems Engineer

Job Description

**Senior Citrix Systems Engineer** **Role Summary** Lead the design, implementation, and management of Citrix and Windows environments to support global enterprise operations, ensuring high availability, security, and scalability for users and clients. **Expectations** - 10+ years in managing Microsoft Windows (2016, 2019, 2022) and Citrix (7.15/1912+) environments. - Expertise in Windows Active Directory (FSMO, DNS, replication) and enterprise system deployment/upgrades. - Demonstrated ability to collaborate with cross-functional teams and escalate/correct production issues. **Key Responsibilities** - Architect, build, and maintain Citrix virtualization environments (on-prem/hybrid/cloud) for enterprise clients. - Design and support secure, scalable Citrix infrastructure (ADC/NetScaler, XenApp/XenDesktop, WEM, High Availability). - Troubleshoot Windows Server and Citrix environments, optimizing performance and resolving critical incidents. - Automate repetitive tasks via PowerShell and tools like ControlUp/PDQDeploy for operational efficiency. - Implement and manage SAML/SSO solutions, AD GPOs, and secure configurations across platforms. - Collaborate with teams to deploy upgrades, migrations, and monitoring strategies for IT systems. **Required Skills** - Citrix architecture (design, deployment, troubleshooting; 13.0+ ADC/NetScaler). - Advanced PowerShell scripting and remote automation. - VMware virtualization and Windows Server administration. - TCP/IP networking, VLANs, and ITILv3/4 service management principles. - Experience with Jira/Confluence, ServiceNow, and enterprise-level monitoring tools. **Required Education & Certifications** - Bachelor’s degree in computer science or related field. - Citrix and Microsoft certifications (e.g., CCP-CX, MCSE) preferred (not mandatory). - ITILv3/4 certification advantageous.

Great neck, United states

Hybrid

Senior

22-01-2026

Company Name

FlexTrade

Job Title

Full Stack Engineer

Job Description

**Job Title** Full Stack Engineer **Role Summary** Design, develop, and maintain the full stack for a multi‑asset Order Management/Execution platform. Lead the evolution of the web and mobile applications, ensuring performance, reliability, and feature parity with the desktop product. **Expectations** - Deliver production‑ready, maintainable code from concept to deployment. - Own technical direction for the web front‑end and mobile app migration. - Mentor peers, participate in hiring, and grow team capability. - Communicate effectively with engineers, product owners, and stakeholders. **Key Responsibilities** - Design and implement robust features in Scala/Play (backend) and React/TypeScript + AG‑Grid (frontend). - Define and execute a migration strategy from the current mobile framework to a JS‑based cross‑platform solution (e.g., React Native), including architecture, incremental rollout, and UX/performance parity. - Champion code quality through TDD, code reviews, pair programming, and static analysis tools. - Implement observability: metrics, logs, tracing for both backend and frontend components. - Collaborate with desktop application teams to ensure feature compatibility and end‑to‑end integration. - Mentor junior engineers and support hiring and onboarding processes. **Required Skills** - Full‑stack development with deep expertise in Scala (or JVM languages, including Java). - Proven experience building production web apps with React, TypeScript, and UI component libraries (e.g., AG‑Grid). - Familiarity with Play Framework, REST/JSON, and gRPC services. - Cross‑platform mobile app experience (CodenameOne, React Native, or equivalent). - Strong grasp of API design, web/mobile architecture, and UX principles. - Hands‑on with CI/CD tools: Jenkins or GitLab CI, SonarQube, IntelliJ IDEA. - Proficient in TDD, code reviews, pair programming, and automation testing. - Excellent written and verbal communication skills. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or a related technical field (or equivalent practical experience). --- (Word count ≈ 180)

London, United kingdom

Hybrid

09-02-2026