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Dilshika Mallawa Arach CB i

@dilshikamallawaarach

I am a demand planning manager optimizing inventory and profitability.

Sri Lanka
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What I'm looking for

I seek a demand-planning role to apply forecasting, inventory optimization, supplier negotiation and analytics to improve availability, margins and operational efficiency in a collaborative, growth-oriented company.

I am a demand planning and inventory professional with experience across retail and automotive spare parts operations. I focus on strategic planning, demand forecasting, and data-driven decision making to improve stock health and profitability.

At Daraz (Alibaba) I led demand planning activities to manage inventory health for thousands of SKUs, maintained MAPE targets, reduced out-of-stock loss, and protected front-end margins through supplier negotiations and pricing actions.

In spare-parts roles at JohnKeelsCG, AMW and Abans, I managed receiving, warehousing, distribution and costing—establishing inventory levels, optimizing turnover, and implementing operational improvements across island-wide networks.

I hold an MBA in Business Analytics and a BSc (Hons) in Business Management, and I am seeking to apply my forecasting, inventory optimization, and cross-functional leadership skills to drive operational excellence and revenue growth.

Experience

Work history, roles, and key accomplishments

JO
Current

Manager - Spare Parts Auto

JohnKeelsCG

Feb 2025 - Present (7 months)

Manage spare parts ordering with manufacturers and coordinate workshop and dealer networks to maintain balanced inventory for service, body shop and dealers while optimizing pricing and turnover.

Daraz logoDA

Manager - Demand Planning

Daraz

Apr 2023 - Feb 2025 (1 year 10 months)

Led demand planning to align turnover with business plan, maintained MAPE below 40%, reduced OOS loss via buffer stocks and PO fill rate improvements while protecting front-end margins through supplier negotiations.

Daraz logoDA

Senior Demand Planner

Daraz

May 2022 - Nov 2022 (6 months)

Prepared retail growth strategies to improve assortment across categories by analysing market demand indicators and negotiated supplier margins to maximise product-level gross margins.

Daraz logoDA

Junior Demand Planner

Daraz

Mar 2021 - Apr 2022 (1 year 1 month)

Planned inventory for ~3000 products across electronics, FMCG, fashion and general merchandise by analysing historical data and coordinating operations, warehouse and finance for on-time delivery.

AE

Executive Costing

Abans Electricals

Dec 2020 - Mar 2021 (3 months)

Costed local and international spare parts shipments, maintained ETA reporting for workshops and coordinated suppliers to ensure timely deliveries.

ML

Inventory Planning Officer

Motorways (Pvt) Ltd

Dec 2018 - Oct 2020 (1 year 10 months)

Managed spare parts inventory for the Nissan brand across 8000+ SKUs, overseeing demand planning, replenishment, expediting and leading annual island-wide inventory verifications.

Education

Degrees, certifications, and relevant coursework

Cardiff Metropolitan University logoCU

Cardiff Metropolitan University

Master of Business Administration, Business Analytics

Master of Business Administration in Business Analytics completed at Cardiff Metropolitan University in Feb 2025.

Cardiff Metropolitan University logoCU

Cardiff Metropolitan University

Bachelor of Science (Hons), Business Management (Supply Chain)

Bachelor of Science (Hons) in Business Management with a focus on Supply Chain completed at Cardiff Metropolitan University in Feb 2023.

IC

ICBT Campus

Higher National Diploma in Business Management, Business Management (Marketing)

Higher National Diploma in Business Management with emphasis on Marketing awarded by ICBT Campus in Nov 2021.

Japanese Language Proficiency Test (JLPT) logoJJ

Japanese Language Proficiency Test (JLPT)

JLPT N5 Certification, Japanese Language

Obtained JLPT N5 certification in 2018.

GC

Good Shepherd Convent, Colombo 13

G.C.E. Advanced Level Examination, G.C.E. Advanced Level

Completed G.C.E. Advanced Level examination at Good Shepherd Convent, Colombo 13 in 2016.

GC

Good Shepherd Convent, Colombo 13

G.C.E. Ordinary Level Examination, G.C.E. Ordinary Level

Completed G.C.E. Ordinary Level examination at Good Shepherd Convent, Colombo 13 in 2013.

Tech stack

Software and tools used professionally

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Dilshika Mallawa Arach CB i - Manager - Spare Parts Auto - JohnKeelsCG | Himalayas