i9DX — Development for eXchanges

About Us

Global experience, proven results

"We are a team passionate about technology and financial markets, combining global expertise to build solutions that drive the evolution of capital markets."

i9DX was born from i9DC — a capital markets infrastructure company with over 8 years of operation and institutional clients in Brazil, the United States, China and India. We were founded to bring a high-performance trading platform to market that combines operational robustness with deep knowledge of order flow.

Our team brings decades of international experience in trading technology, low-latency connectivity and institutional financial relationships — combining technical and strategic vision to deliver solutions that operate at the pace of the market.

Our Mission

Innovative Tools

Build cutting-edge technology solutions designed specifically for the demands of capital markets.

Efficiency & Reliability

Focus on maximum performance, high availability and precise alignment with market operational needs.

Global Vision

International expertise applied to practical, high-performance solutions, serving clients across four countries.

Integrated Ecosystem

A complete platform for the full trading cycle

From order entry through execution, risk and monitoring — all modules natively integrated, with guaranteed execution neutrality.

DX Hub

Connectivity

FIX and Binary order routing layer with low latency and high availability. Support for B3, A5X and other counterparties.

DX Feed

Market Data

Low-latency feed with real-time data on equities, derivatives and options. Normalized APIs for simplified integration.

DX Risk

Pre-Trade Risk

Multi-market pre-trade risk engine. Real-time validation with granular configuration per account, trader, desk and institution.

DX OMS

Order Management

Electronic order management platform for institutional desks. Centralizes the full cycle: entry, routing, execution and monitoring.

DX Trader

Institutional Trading

High-performance trading screen. Lightweight and responsive interface, optimized for speed and operational precision.

DX Algo

Algorithmic Execution

Neutral algorithmic execution with VWAP, TWAP, PoV, Iceberg and Stop strategies. Independent algo order tracking.

DX SOR

Smart Order Routing

Best execution across venues with multi-venue optimization. Intelligent and transparent routing between B3, A5X and other venues.

DX Cockpit

Monitoring & Ops

Operations dashboard with real-time blotter, FIX session monitor, RTT latency tracking and full audit trail.

DX Internalizer

Order Internalizer

Order internalizer for internal flow optimization. Cost reduction and full execution control.

APIs & Integration

Connect to the market with our APIs

Open, well-documented interfaces for market data and order routing, designed for maximum performance with minimum latency.

Market Data API

DX Feed — Real-Time Data

Normalized access to quotes, order book, trades and historical data for equities, derivatives and options on B3 and A5X. High frequency, low latency, high availability.

CC++ProtoBufJSONFIX/FASTSBE

Order Routing API

DX Hub — Order Routing

Order submission, modification and cancellation with multi-protocol support. Real-time message transformations, validations and normalizations.

CC++ProtoBufJSONFIX 4.2/4.4Binary

Trade Routing APIs

Broad Compatibility

Connect to the largest institutional hubs through a single, unified API. We abstract the technical nuances and RoEs for each counterparty, providing a frictionless, Plug & Play integration.

B3A5XBloombergFidessaNYFIXRaptor

Performance & Architecture

High Frequency, Low Latency

Platform built for high-frequency with parallel processing and horizontal scalability. Automatic failover and high operational availability.

TCP/IPTLSRESTMultithreadActive-Active

Infrastructure

We are where the exchanges are

Infrastructure co-located in the main Brazilian market datacenters, with active-active redundancy and cloud disaster recovery.

B3 Colocation

Alphaville — Barueri / SP

Hosted in B3's datacenter for maximum market proximity. Active FIX and Binary sessions. Equities and Futures in production.

FIX 4.2/4.4SBEFASTLow Latency

Equinix SP3 — A5X

São Paulo — Capital

Infrastructure hosted at Equinix SP3, home to A5X's official infrastructure — Brazil's new Futures exchange. Full integration for trading and market data.

A5XFuturesTrading & Market Data

DX Network

Present where the flow resides

Connected to the world's largest institutional trading networks: Bloomberg EMSX, Fidessa, NYFIX, Raptor, Fabric and RTM.

BloombergFidessaNYFIXRaptorRTM

AWS — Disaster Recovery

Cloud with redundancy and scalability

Cloud infrastructure with replicated configuration, continuous backups and automatic failover. Active-active architecture with 99.9% guaranteed uptime.

Active-ActiveContinuous BackupAuto Failover99.9% Uptime

Independence & Neutrality

Structural Chinese Wall

i9DX is a pure technology company. No exchange ownership, no bank affiliation, no conflict of interest.

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100% independent from exchanges and banksWe have no ties to any exchange, bank or financial group. Execution is always directed to the best destination for the client.

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Structural Chinese WallTotal separation between technology and market flow — by design, not by policy.

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Your flow belongs only to youNo order data, position or strategy is shared with or accessible by third parties.

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One single interest: your performanceOur only incentive is for you to trade better. No hidden agenda, no conflict of interest.

Careers

Build the future of markets with us

We are a team of specialists passionate about technology and financial markets. If you want to work on real, high-complexity problems — low latency, critical connectivity, institutional execution — this is your place.

High-level technical environment with real capital markets challenges

Lean, collaborative team with global vision and local operations

Cutting-edge technologies: C, C++, ProtoBuf, FIX, low latency

Direct impact on products used by leading financial institutions

Join Us

We may not have open positions at the moment, but we always want to meet exceptional people. Send your résumé and tell us a bit about what you do and what you want to build.

peopleoffice@i9dx.com

We respond to every application.

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