# Senior Software Engineer – Trading Systems

EDX is looking for a Senior Software Engineer to design and implement low-latency Java applications for exchange and trading systems build high-performance messaging architectures and ensure system reliability under peak load. You will join the Engineering Department to build the next generation digital assets trading platform, helping build an entire marketplace from the ground up. You will design and implement low-latency Java applications, build high-performance event-driven systems, hunt down latency bottlenecks, and keep systems reliable under extreme market conditions. You will also join architecture discussions, mentor junior engineers, and work with infrastructure teams on OS, networking and hardware tuning. You will report to the Head of Trading Systems. ResponsibilitiesDesign and implement low-latency Java applications for exchange and trading systems Build and maintain high-performance messaging and event-driven architectures Identify and remove latency bottlenecks through profiling, benchmarking, and production analysis Ensure system reliability under peak load and extreme market conditions Participate in architecture discussions and mentor junior engineers Collaborat

- **Id**: 4175408
- **Url**: <https://alion.io/job/edx-markets-senior-software-engineer-trading-systems>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Chicago, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-12T02:21:41Z
- **Last verified at**: 2026-11-12T02:21:41Z
- **Board verified**: no
- **Days open**: 0
- **Description format**: text
- **Description chars**: 2082
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Crypto Exchanges

## Company

- **Id**: 175604
- **Name**: EDX Markets
- **Domain**: edxmarkets.com
- **Url**: <https://alion.io/company/edx-markets>
- **Size band**: 201-500
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no

## Technologies

- **Apache Kafka** — Optional: no
- **AWS** — Optional: no
- **GCP** — Optional: no
- **JavaScript** — Optional: no
- **PostgreSQL** — Optional: no
- **Python** — Optional: no
- **Rest API** — Optional: no
- **WebSockets** — Optional: no

## Trust

- **Level**: not_scored
- **Days open**: 0

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-11-12T15:54:10Z

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 36
- **Reasons**: seen:0, win:early
- **Computed at**: 2026-11-12T17:50:41Z

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Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.