FIX Connectivity Engineer (Fintech)

Location: Bala Cynwyd (Philadelphia Area), Pennsylvania, United States

Company

hirify.global is a global quantitative trading firm focused on market making, market taking, derivatives, machine learning, and advanced quantitative research.

What you will do

• Implement, configure, test, and support FIX connectivity for clients, counterparties, exchanges, ATSs, ECNs, brokers, OMS/EMS platforms, and trading vendors.
• Manage the full connectivity onboarding lifecycle, from requirements gathering and session setup through certification, production rollout, and post-go-live support.
• Analyze FIX messages across order entry, cancel/replace, execution reports, drop copy, allocations, and administrative workflows.
• Troubleshoot production issues involving order-flow rejects, sequence gaps, session disconnects, latency, routing behavior, and trade-reporting discrepancies.
• Maintain session configurations, routing rules, symbol handling, account mappings, entitlement controls, and message transformations.
• Partner with trading desks, clients, developers, infrastructure, compliance, vendors, and operations teams on connectivity specifications, monitoring, resiliency, incident response, and root-cause remediation.

Requirements

• 3+ years of experience supporting or implementing FIX connectivity in a brokerage, trading firm, exchange, fintech, OMS/EMS vendor, or financial technology environment.
• Strong understanding of the FIX protocol, including session-level and application-level messages.
• Familiarity with electronic trading concepts, order lifecycles, routing, executions, allocations, and trade capture.
• Hands-on experience troubleshooting FIX sessions using logs, message viewers, network tools, or trading support platforms.
• Experience with production support, change management, incident management, release controls, and certification testing.
• Strong analytical, communication, documentation, and stakeholder-management skills.

Nice to have

• Experience with SQL, scripting, reporting tools, or Linux.
• Familiarity with OMS/EMS platforms such as Bloomberg EMSX, Fidessa, FlexTrade, Charles River, Eze, or Portware.
• Knowledge of exchange or market-center connectivity, order routing, and drop copy.
• Experience with client-facing technical onboarding or production-readiness reviews.

Culture & Benefits

• Work in an intellectually driven and highly collaborative quantitative trading environment.
• Collaborate with researchers, engineers, traders, clients, vendors, and operations teams.
• Support global markets and millions of trading transactions across listed financial products and asset classes.
• Occasional off-hours support may be required for production releases, venue testing, market events, or critical incidents.
• Visa sponsorship for work authorization is not available now or in the future.