Digital Resume

Haffis Harun

Technical Solutions · QA & Technical Support · Partner Operations

Technical solutions professional with 7+ years of experience supporting API-driven travel technology, partner connectivity, production troubleshooting, and high-priority escalations. I combine hands-on technical investigation with stakeholder communication, QA, and cross-functional coordination to move complex issues from problem to resolution.

Professional Profile

Technical

Investigate deeply

API responses, SQL, logs, system behavior, integrations, monitoring tools, and environment-level troubleshooting.

Partner

Own the escalation

Translate partner impact into actionable technical context and coordinate resolution across Product, Engineering, Integration, and Operations.

Quality

Validate the fix

Reproduce defects, test releases and hotfixes, document findings, and verify outcomes before closing the loop.

Background includes long-term OTA and travel technology operations, enterprise SaaS support, incident and escalation management, and customer-facing problem solving.

Professional Experience

Coso Sdn. Bhd. (Connecting Software)

QA Analyst & Technical Support
Jun 2026 — Present
  • Provide QA and technical support for enterprise synchronization and integration products across customer and test environments.
  • Reproduce defects, review logs and system behavior, document technical findings, and coordinate with developers through investigation and validation.
  • Perform functional and regression testing for releases and hotfixes, validating acceptance criteria and reporting reproducible defects.
  • Troubleshoot environments involving Microsoft Exchange, Microsoft Graph, EWS, SQL Server, IIS, RabbitMQ, and Azure-hosted Windows systems.
  • Support database and service-level investigation using SQL Server tools, application logs, service configuration, and environment health checks.

Expedia Group

Technical Solutions Analyst
Aug 2018 — Apr 2026
  • Investigated and resolved complex production and integration issues across API-driven travel platforms and partner connectivity systems.
  • Managed high-priority partner escalations and coordinated resolution across Product, Engineering, Integration, and Operations teams.
  • Performed root cause analysis using SQL queries, logs, monitoring tools, API responses, and system behavior analysis.
  • Analyzed booking lifecycle, inventory, rates, availability, connectivity flows, and data mismatches affecting partners and travelers.
  • Monitored production environments using Kibana, Datadog, Splunk, and Querybook to support incident investigation and platform stability.
Earlier Experience · Customer Operations & Recruitment (2012–2018)

U Mobile Sdn. Bhd.

Customer Service · Dec 2017 — Aug 2018

Handled service, billing, account, and troubleshooting inquiries while documenting cases and coordinating escalations requiring additional technical or operational support.

RHB Banking Group

Recruitment Specialist · Jun 2016 — Aug 2017

Managed end-to-end recruitment activities and partnered with hiring managers on workforce requirements, candidate pipelines, interview coordination, and onboarding.

CXL Group

Talent Acquisition Specialist · Oct 2014 — Jun 2015

Supported client hiring requirements through candidate sourcing, screening, interview coordination, pipeline management, and stakeholder updates.

YTL Communications Sdn. Bhd.

Customer Advocate · Apr 2014 — Oct 2014

Supported service, account, billing, and connectivity concerns with troubleshooting, case documentation, escalation, and follow-through to resolution.

VADS Berhad

Customer Service · May 2012 — Apr 2014

Provided frontline support in a high-volume environment, documented customer interactions accurately, and escalated cases requiring specialist investigation.

Selected Technical Projects

Eir Support / Technical Workspace · Personal Project

Designed a web-based support operations workspace for task tracking, case-focused troubleshooting notes, knowledge workflows, and AI-assisted operational support.

Support Operations Workflow Design Troubleshooting
Projects ↗

Veiryn · AI Support Assistant · Personal Project

Built an AI-assisted support prototype combining OpenAI API integration with contextual conversations, task suggestions, controlled memory, and support-oriented workflow logic.

OpenAI API AI Workflows Web Application
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Respond.io API Integration Prototype · Personal Project

Explored Respond.io APIs, authentication, messaging workflows, and web application integration as a hands-on study of customer communication platform architecture.

REST API Authentication Messaging
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Eir Ragnarok Online · Game Systems Engineering · Personal Project

Developed and customized gameplay systems, NPC scripts, automation, event systems, anti-bot features, database configuration, and server-side logic while applying iterative testing and troubleshooting.

Game Systems NPC Scripting Automation Testing Server Logic
Visit Server ↗

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