Hong Kong, Hong Kong SAR, Hong Kong

Technical Lead – Platform Architecture (Mobile & Backend)

 Job Description:

Position Summary

As a Tech Lead, you are responsible for defining and maintaining the overall system architecture and high-level integration design to ensure solutions are scalable, secure, and aligned with engineering standards. You guide technical decisions, ensure alignment across teams, and maintain end-to-end technical coherence across the our client's platform, working closely with Product, QA, DevOps, and external system owners.

Primary Responsibilities

  • Define and maintain end-to-end system architecture, including non-functional requirements (performance, security, scalability, availability) and key technical trade-offs.
  • Define and review high-level design (HLD) for integrations (APIs, events, data flows), ensuring alignment with enterprise standards, integration patterns, and security requirements.
  • Translate architecture decisions into clear guidance for implementation, and provide targeted hands-on support for complex design, code review, and technical spikes as needed
  • Oversee technical release readiness, including dependency alignment, readiness checks, and go/no-go decisions, ensuring smooth deployment and rollback strategies.
  • Lead troubleshooting on critical technical issues and incidents: perform impact assessment, drive root cause analysis (RCA), and coordinate resolution with internal and external stakeholders.
  • Improve engineering operational excellence by promoting observability, alerting, runbooks, and continuous improvements to reduce recurring incidents.
  • Ensure alignment across backend, mobile, QA, and DevOps on technical approach, architecture decisions, and delivery risks.
  • Act as the key technical point of contact for the scrum team, ensuring alignment across backend, mobile, QA, and DevOps on technical approach and delivery risks.

Requirements

  • Bachelor's degree in Computer Science, Engineering, or a related discipline, or equivalent practical experience.
  • Experience with mobile platforms (iOS/Android) and mobile-backend integration.
  • Minimum 15 years of software engineering experience, including experience leading technical design for distributed systems and integrations.
  • Strong understanding of system design principles, integration patterns (REST, event-driven), and API lifecycle management.
  • Experience with modern delivery practices (Agile/Scrum, CI/CD) and release management in
  • production environments.
  • Proven ability to troubleshoot complex production issues using logs, metrics, traces, and structured RCA approaches.
  • Strong communication skills to lead technical discussions with stakeholders across engineering, product, QA, DevOps, and vendors.
  • Experience in mobile application architecture and mobile-backend integration.


  Required Skills:

Architecture