Jobs › Jobs › Senior Software Engineer, Low-Latency Algorithmic Execution Platform
New York, NY · Full-time · USD 200k–350k · O-1A fit

Senior Software Engineer, Low-Latency Algorithmic Execution Platform

Cloud-native brokerage, clearing and custody firm founded in 2018, building electronic trading infrastructure

New York, NYHybridFull-timeSeniorO-1A fit (senior candidates)Added week of Nov 9, 2026
Real postingModeled on a real U.S. posting from October 2026 · employer not named · apply to be matched with employers hiring for this role.
EmployerCloud-native brokerage, clearing and custody firm founded in 2018, building electronic trading infrastructure (not named)
LocationNew York, NY · Hybrid
Type & levelFull-time · Senior
PayUSD 200k–350k base
Source: pay range stated in the source posting
Visa pathO-1A fit (senior candidates)
Role familyQuantitative Developer / Low-Latency Engineer

About the role

The team is building a new electronic trading platform from scratch to replace vendor-dependent execution tools. It covers low-latency order routing, direct market access, smart order logic and algorithmic strategies across equities, options and futures. This role is one of the foundational engineering seats, with a near-term goal of putting direct market access into production for institutional clients.

What you'll do

  • Design and harden the client-facing FIX acceptor that handles order entry, fills, acknowledgments, rejects and outbound sequencing.
  • Build production feed handlers for exchange market data protocols such as ITCH and OUCH, replacing legacy data dependencies.
  • Develop the venue connectivity layer and profile latency along the hot path from order receipt to exchange acknowledgment.
  • Architect real-time pre-trade risk checks that fit within microsecond latency budgets.
  • Contribute to configuration, command and control, normalized internal messaging and audit-trail logging.
  • Gradually migrate existing algorithmic strategies from legacy infrastructure onto the new platform, component by component.

Requirements

  • 7+ years building high-performance, low-latency production systems in C++.
  • Deep knowledge of FIX 4.2/4.4 and the full order lifecycle.
  • Experience with exchange market data protocols and production feed handlers.
  • Strong grasp of low-latency techniques such as kernel bypass, lock-free structures, CPU affinity and memory layout.
  • Experience with multicast messaging such as Aeron or LBM, plus Linux performance tuning.
  • Understanding of U.S. equity market structure, including Reg NMS and lit and dark venues; Bachelor's degree or higher in a STEM field.

Nice to have

  • Experience building algorithmic execution or smart order routing at a broker-dealer, prop firm or exchange.
  • Familiarity with options or futures execution infrastructure.
  • Pre-trade risk system design at firm and account level.
  • Knowledge of CAT reporting requirements.
  • Python for tooling and test infrastructure, and Kubernetes-based deployment.

Pay & benefits

USD 200k–350k base. The posting lists company equity, 401k matching, gender-neutral parental leave, and full medical, dental and vision insurance, plus in-office perks. Bonuses and equity are mentioned as separate from base pay.

Pay source: pay range stated in the source posting. Market data, not an offer from O1DMatch.

Visa path

Engineers in low-latency trading systems often support an O-1A case with evidence such as a high salary relative to peers, critical roles at distinguished organizations, authored technical work, open-source contributions or recognition from industry peers. The posting states no citizenship restriction. An employer like this, or a U.S. agent, can file an O-1A petition, though approval depends on the individual's evidence.

How to get matched

  1. Take the free eligibility checkAn AI review of your background against the eight O-1 criteria, at check.o1dmatch.com.
  2. Create your profile with code WORKWITHUSIt unlocks the Starter plan at no cost. Tell us your field and the work you do today.
  3. Upload your evidenceEach document is sorted under the criterion it supports, and your criteria map shows what is still missing.
  4. Get matchedWe match strong profiles with U.S. employers hiring for roles like this one. Gigs you confirm with verified companies count toward your itinerary, and at a score of 75 we connect you with an immigration attorney.

This listing describes a real U.S. posting so you can see what employers ask for. O1DMatch does not represent that employer and does not hold this opening; applying matches you with employers hiring for this kind of role. No visa outcome is promised.

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