Top 10 Chinese IT Companies Powering the Securities Industry

1. Hundsun Technologies

Founded: 1995

Employees: ~10,000

Core areas: Core broker trading systems, asset‑management platforms, fund TA, O45 architecture

Programmer concerns:

Market share >90%; virtually every broker uses Hundsun

Tech stack centered on Java, gradually moving to cloud‑native; low‑level C++ modules

Heavy overtime culture (“Hundsun rhythm”), Hangzhou HQ offers good benefits

Resume value high; easy transition to brokers, public and private funds

2. Tonghuashun

Founded: 1995

Employees: ~5,000

Core areas: Trading terminals, intelligent advisory, AI large models, quantitative APIs, white‑label broker apps

Programmer concerns:

Dual ToC + ToB drive; products reach hundreds of millions of users

Modern stack: Go, Java, Python + large‑model fine‑tuning + high‑concurrency architecture

Workload moderate‑to‑high; many innovation projects (e.g., i‑Ask Finance, AI research)

Salary benchmarked to internet companies; suits product‑tech hybrid talent

3. East Money (东方财富)

Founded: 2005

Employees: ~8,000 (including securities, fund, IT divisions)

Core areas: East Money portal, Choice data, self‑developed broker system, fund‑sales platform

Programmer concerns:

Full‑chain of broker, fund, data, IT; high internal R&D proportion

Tech stack: Java/Spring Cloud, Vue3, big‑data (Flink/Kafka), AI recommendation

Shanghai R&D center is primary; competitive compensation

4. Jinzheng Co. (金证股份)

Founded: 1998

Employees: ~6,000

Core areas: Broker counter systems, centralized trading, WeChat Wealth Connect integration, distributed trading

Programmer concerns:

Serves many small‑ and mid‑size brokers; many projects but traditional tech (Oracle)

Shenzhen HQ; high on‑site ratio, frequent travel

Entry‑level salary moderate; good for newcomers to learn full broker workflow

Recent push toward “lightweight counter” and cloudification, upgrading tech stack

5. Fortune Trend (通达信母公司)

Founded: 1994

Employees: ~1,500

Core areas: Tongda Xin market software, quantitative trading interfaces, custom broker terminals

Programmer concerns:

C/C++ high‑performance development; strict network, memory, concurrency requirements

Wuhan HQ; low overtime, low living cost

Ideal for low‑level / system‑level developers

6. Topology Software (顶点软件)

Founded: 1996

Employees: ~2,000

Core areas: Lightweight trading counters, XBRL reporting, innovative broker systems

Programmer concerns:

Promotes “lightweight, modular” architecture; newer tech (micro‑services, some Go)

Fuzhou HQ; milder work rhythm, pressure lower than Hundsun

Clients are medium‑size or niche brokers (e.g., Huaxin, Guojin); project complexity moderate

Salary slightly lower but stability high

7. Ying Shi Sheng (赢时胜)

Founded: 1996

Employees: ~3,000

Core areas: Asset valuation, TA system, fund/broker back‑office operations

Programmer concerns:

Primarily fund focus but deep service to broker asset‑management subsidiaries

Legacy stack includes Delphi and VB.NET; limited innovation

Positions in Shenzhen/Beijing; maintenance‑heavy work, high on‑site ratio

Complex business logic; suitable for transition to finance‑oriented roles

8. Yuxin Technology (宇信科技)

Founded: 1999

Employees: ~12,000 (bank IT primary, securities expanding)

Core areas: Broker data middle‑platform, risk‑control systems, CRM, regulatory reporting

Programmer concerns:

Strong technical standards; Java/Spring Cloud dominant, mature DevOps pipeline

Projects concentrated in Beijing and Shanghai; high on‑site ratio

Above‑average salary; good for developers seeking broad fintech exposure

9. Jinshida (金仕达, under East Money)

Founded: 1990s (acquired by East Money in 2020)

Employees: ~800

Core areas: Futures/options trading systems, derivative risk control, market‑maker platform

Programmer concerns:

Focus on high‑barrier derivatives; high technical threshold

C++/Linux with low‑latency networking, close to high‑frequency trading scenarios

Shanghai team works closely with East Money internal units

Niche market but high value; excellent stepping stone into quant or market‑making roles

10. Compass (指南针)

Founded: 1999

Employees: ~2,500 (including self‑built broker team)

Core areas: Stock‑trading software, large‑model advisory, self‑developed trading system (controls NetEase Securities)

Programmer concerns:

Own broker is heavily investing in system R&D; currently in a technology expansion phase

Modern stack: Vue3 + Spring Boot + large‑model API integration

Beijing‑centric; salary comparable to internet firms