JASON | Neoh Teng Sern

backend developer, nodejs engineer

Contact

• Email: neohtengsern@gmail.com
• Phone: 018 277 3601
• LinkedIn: jsonobject
• Website: https://devs.to
• Region: Puchong, Selangor

Experience

KasagiLabo

Anime, Social

Positions

• Backend Lead 06/2025 - current

Job Description

• Define technical strategy for backend, data infrastructure, and cost optimization
• Drive AI-first development transformation across engineering lifecycle
• Balance strategic trade-offs between startup velocity and long-term maintainability

AirAsia

Travel, Aviation & E-Commerce

Positions

• Engineering Manager 01/2023 ~ 06/2025
• Tech Lead 01/2022 ~ 12/2023
• Senior Software Engineer 01/2021 ~ 12/2022
• Software Engineer 2 05/2020 ~ 12/2020

Job Description

Involvement from 2020 to 2022 (as SE2 / SSE)

• AirAsia Login

  • the backend services of AirAsia customers' authentication system
  • tackled major issues with the system:
    • using Redis for session lookup causes bottleneck due to single thread deletion during logout
    • using encryption to store data that should not be decrypted

• AirAsia Chat

  • profiles API, automated/scheduled notification for flights updates

• Centralised Notification

  • develop a centralised proxy and adapter service for notification integration, e.g. sendgrid, twilio, firebase

• Lead a team of 4 engineers

Involvement from 2022 (as TL / EM)

• Strategic Leadership
  • participated in quarterly strategic planning with executive leadership
  • managed portfolio of 6 product lines (DutyFree, Food, Shop, Transport, Ride, Admin Portal) with ROI-based prioritization
  • led organizational transformation from vendor-dependent to internal capability model
• Team & Stakeholder Management
  • directed 35 engineers (25 internal + 10 vendor) across backend, web, mobile with international distributed workforce (Malaysia, Philippines)
  • collaborated with C-level and Business Unit heads on roadmap alignment
  • built remote-first engineering practices and unified culture across geographic boundaries
• Organizational Capability
  • established DevOps/SRE culture and engineering governance standards
  • stabilised vendor's infra from weekly firefighting within 1 quarter
• Strategic Impact
  • implemented transport allocation engine increasing sales by 25%, supporting revenue diversification strategy
  • reduced infra cost by 99% and vendor dependency by 50%, enabling strategic reinvestment into internal capabilities
  • led complete ecommerce modernization in 2 months, unblocking technical debt and enabling new revenue streams + international expansion

Compass Interactive

Digital Marketing Agency

Positions

• Tech Lead 04/2017 ~ 04/2020
• Web Development Manager 10/2015 ~ 03/2017
• Senior Developer 02/2015 ~ 10/2015

Job Description

• Oversees both web and app development.
• Expanded team to 10 developers.
• Doubled the amount of projects and clients.
• Handles team salary planning and distribution.
• Upgraded outdated infrastructure and skills:
  1. Introduced Git and Gitlab.
  2. Implemented CICD with Docker deployment.
  3. Migrated shared hosting web projects to VPS.
  4. Switched team to use Linux/Mac.
  5. Enforced proper coding standards.

StackIdeas

Joomla Extensions Development

Positions

• Senior Developer 01/2012 ~ 01/2015

Job Description

Lead developer to take charge of a new project. Did an international webinar and a public presentation during Joomla Day Bangkok for this project.

Also handled tasks such as, interviewing new hires, monitoring juniors and project management for other developments.

Cardos

System Vendor

Positions

• System Engineer 01/2011 ~ 12/2011

Job Description

Maintain software and hardware service infrastructure provided for Osram.

Includes database (Oracle), software (PHP, Ruby), server (Windows) maintenance, deployment, management, paperwork on change request, presentation of software updates, executive/operators training, and various related system maintenance task.

Assigned with 2 technician to manage, plan and delegate tasks.

Education

• Bachelor Degree in Electronics Engineering (year 2010) - UTAR @ PJ
• SPM (year 2005)- Chung Ling High School @ Penang

Skills

• General: TypeScript, JavaScript
• Frontend: VueJS, ReactJS, Pug, SASS
• Backend: NodeJS, PHP
• Database: RDBMS (MySQL, PostgreSQL), NoSQL (Mongo, Firestore, Redis)
• Servers/Systems: Apache, Nginx, Linux
• Cloud: Kubernetes, GCP, Cloud VPS

Languages

• English
• Mandarin
• Bahasa Malaysia

References

Francis Shen

• +6012 280 9849
• AirAsia - Department Head
• Superior

Danial Hui

• +6016 263 9394
• AirAsia - Department Head / KasagiLabo - VP
• Superior

Bryan Luke

• +65 9152 4585
• KasagiLabo - Web Lead
• Colleague

Wong Wai Sun

• +6012 335 0115
• Compass Interactive - Managing Director / Founder
• Superior

Juliana

• +6010 238 8002
• AirAsia - Senior Engineering Manager
• Superior

Jimmy

• +6010 275 6529
• AirAsia - Engineering Manager
• Colleague

Robin

• +6017 351 5166
• AirAsia - Product Head
• Colleague

Kar Choon

• +6012 422 5435
• AirAsia - Tech Lead
• Subordinate

Chad

• +6391 7315 4439
• AirAsia - Senior Software Engineer
• Subordinate

Amsath

• +6014 842 4410
• AirAsia - Senior Software Engineer
• Subordinate

Sieder

• +6394 5190 1409
• AirAsia - Senior Software Engineer
• Subordinate

Arben

• +6391 7528 2130
• AirAsia - Software Engineer
• Subordinate

Henry

• +6011 3540 1895
• AirAsia - Software Engineer
• Subordinate

Francis

• +6391 7628 1425
• AirAsia - Software Engineer
• Subordinate

Caleb

• +4479 0798 6154
• AirAsia - Software Engineer
• Subordinate

Mustafa

• +6011 1689 0260
• AirAsia - Software Engineer
• Subordinate

Jun Bin

• +6016 215 3316
• AirAsia - Software Engineer
• Subordinate

Jia Ming

• +6017 532 7197
• Compass Interactive - Senior Software Engineer
• Subordinate

Meng Hong

• +6019 662 4859
• Compass Interactive - Senior Software Engineer
• Subordinate

Billy

• +6012 785 2883
• Compass Interactive - Senior Software Engineer
• Subordinate

Howard

• +6019 368 4405
• Compass Interactive - Software Engineer
• Subordinate

John

• +6012 643 3367
• Compass Interactive - Software Engineer
• Subordinate

Wei Shen

• +6010 443 7750
• Compass Interactive - Software Engineer
• Subordinate

Matthew

• +6012 382 1431
• Compass Interactive - Software Engineer
• Subordinate