Full-stack Java Developer – Hong Kong

IO TECH SOLUTIONS LIMITED; Hong Kong; On-site; HKD 600,000 - 900,000; Full time

Job summary

IO TECH SOLUTIONS LIMITED in Hong Kong is seeking an experienced software engineer to design, develop, and support a strategic financing platform within an investment banking environment.

You will build scalable backend services with Java, Spring Boot, and microservices, and contribute frontend work using TypeScript and JavaScript frameworks. This role requires collaboration with traders and global stakeholders to deliver latency-sensitive solutions.

Qualifications

• 5+ years of software development experience.
• Strong experience with Java, Spring Boot, and microservices.
• Hands-on experience with Angular or React.
• Experience in investment banking or capital markets, preferably supporting Equities, FICC, or Financing platforms.
• Good understanding of REST APIs, SQL, and distributed systems.

Responsibilities

• Design, develop, and support a strategic financing platform within an investment banking environment.
• Build scalable backend services using Java, Spring Boot, and Microservices, with frontend development using TypeScript and JavaScript frameworks.
• Work closely with traders, product teams, and global stakeholders to deliver high-quality, latency-sensitive solutions.
• Translate business and regulatory requirements into technical solutions.
• Participate in system design, code reviews, testing, deployment, production support, and continuous improvement.
• Monitor production systems, troubleshoot issues, and help improve platform reliability and performance.
• Mentor junior developers and contribute to engineering best practices.

Skills

Java

Spring Boot

Microservices

Angular

React

REST APIs

SQL

Distributed systems

Job description

Job Description

• Design, develop, and support a strategic financing platform within an investment banking environment.
• Build scalable backend services using Java, Spring Boot, and Microservices, with frontend development using typescript and javascriptframeworks.
• Work closely with traders, product teams, and global stakeholders to deliver high-quality, latency-sensitive solutions.
• Translate business and regulatory requirements into technical solutions.
• Participate in system design, code reviews, testing, deployment, production support, and continuous improvement.
• Monitor production systems, troubleshoot issues, and help improve platform reliability and performance.
• Mentor junior developers and contribute to engineering best practices.

Requirements

• Minimum 5 yrs of experience in software development/programming.
• Strong experience with Java, Spring Boot, and Microservices.
• Hands-on experience with Angular or React.
• Experience in investment banking or capital markets, preferably supporting Equities, FICC (Fixed Income, Currencies & Commodities), or Financing platforms.
• Good understanding of REST APIs, SQL, and distributed systems.
• Strong problem-solving, communication, and stakeholder management skills.