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C# Developer – API & Data Integration (Sell-side) - J12458

Application

23 February 2026

Hong Kong

The Opportunity

Our sell-side client is seeking a C# Software Developer to design and maintain critical integration services connecting their internal trading infrastructure with a major third-party sell-side application suite. You will ensure robust data flow across the OMS, EMS, and back-office ecosystems.

 

Key Responsibilities

  • Design C# middleware from the ground up to orchestrate real-time data exchange between in-house engines and external execution/settlement platforms.

  • Develop high-throughput messaging frameworks and custom transformation logic to handle complex trade lifecycles, from initial order routing to final back-office clearing.

  • Lead the technical design of scalable APIs to manage sensitive reference data and multi-asset trade flows.

  • Partner directly with stakeholders—including traders, analysts, and vendors—to translate complex market workflows into bulletproof technical specifications.

  • Own the platform's performance and reliability by proactively identifying and resolving latency hurdles or data synchronization challenges.

 

Qualifications

  • 5+ years of C# development experience within capital markets or electronic trading.

  • Proven track record of successfully integrating large-scale projects with major third-party OMS, EMS, and back-office suites.

  • Strong understanding of the sell-side trade lifecycle, including order entry, execution, and clearing.

  • Expert in modern messaging patterns and have a passion for building clean, maintainable code that doesn't sacrifice speed.

 

If this outstanding opportunity sounds like your next career move, please submit through "Apply Now" or send your resume in Word format to Saswiko KJ at resume@pinpointasia.com and put C# Developer – API & Data Integration (Sell-side) - J12458 in the subject header.

 

Data provided is for recruitment purposes only.

CONTACT US

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If you're looking for a job, contact us here:

Pinpoint Asia

General information: info@pinpointasia.com
For job seekers: resume@pinpointasia.com

Pinpoint Asia

Tel: +852 2375 5000
Fax: +852 2375 0769

Hong Kong Office

Suite 1511, Far East Finance Centre,
16 Harcourt Road, Admiralty, Hong Kong

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