Zahirul Islam

I turn complex digital problems into clear, practical solutions.

UX / Product Designer with 6+ years of experience across agencies, enterprise digital teams, and telecommunications — working on both customer-facing and internal platforms.

Research-led, analytical, and delivery-focused. Experienced in user research, information architecture, UI design and design systems.

TPG Telecom — Website Redesign

Role

UX/UI Designer

Scope

Large-scale public website redesign focused on usability, clarity and customer engagement

  • Led the UX and UI redesign of TPG Telecom’s public-facing website

  • Simplified complex product journeys through improved IA and navigation

  • Designed scalable UI patterns and optimised lead-generation forms

  • Built a Figma-based UI design system to support faster design delivery

Impact

+65%

average monthly lead volume

+95%

average web conversion rate

+50%

average monthly form submissions

80%

reduction in campaign page design time from 3–4 weeks to just 2–3 days

+65%

average monthly lead volume

+50%

average monthly form submissions

+95%

average web conversion rate

80%

reduction in campaign page design time from 3–4 weeks to just 2–3 days

The Process

Research and strategy

  1. Site audit & existing material analysis

  2. Information architecture and sitemap

  3. Component grouping

  4. Secondary research

  5. Primary research

Design and validate

  1. UI Design System development

  2. Complete website redesign

Delivery & launch

  1. Collaboration and review

  2. Launch and incremental rollout

Download full case studies (PDF)

Arup — Foresight Scenario Planning Tool

Role

Product Designer

Scope

Internal, data-heavy planning tool to formalise workflows and support service delivery and client engagement

  • Led UX and UI design for a scenario planning tool used by the internal Arup team

  • Structured complex, data-heavy workflows into clear journeys and interaction models

  • Designed interfaces to support scenario exploration and decision-making

  • Delivered MVP designs in collaboration with PMs, engineers and domain specialists

Outcome

Shipped the initial MVP in 2022

  • Shipped the initial MVP in 2022

  • Supported early adoption within Arup’s global Foresight team

  • Further development was paused due to a strategic business decision

Supported early adoption within Arup’s global Foresight team

Further development was paused due to a strategic business decision

The Process

Research

  1. UX/UI audit

  2. Market research

  3. 1:1 interviews

Design

  1. Ideation

  2. Detailed design

Testing and delivery

  1. Solution validation and testing

  2. Pre and post-development activities

Download full case studies (PDF)

Other Selected Work

Night-time Vulnerability Assessment Tool (Arup)

Internal digital tool to streamline site assessments at night, automate analysis, and support client-facing reporting for specialist lighting teams.

Outcome-led Design Validation (Arup)

Rapid evaluation of an existing internal product to assess

desirability, feasibility, and viability, informing a decision to stop further development.

Quant Tracker (Arup)

Early-stage discovery and concept definition for a new internal tool exploring multiple problem spaces across automation, risk mitigation, and materials visibility.

Water Consumption Awareness (Hackathon Winner)

Scenario-based digital experience using behavioural design to promote sustainable water use and community engagement.

Retirement Planning Tool (Challenger, via DIJGTAL)

Design and delivery of a retirement planning tool simplifying complex financial concepts for Australian seniors through an agency–client engagement.

Digital Card-based Payments (Afterpay, via DIJGTAL)

Research and UX design for introducing a card-based in-store payment experience, supporting onboarding and low-friction purchase flows.

Let's be in touch

I'm open to opportunities and would love to discuss more of my work.

Download full case studies (PDF)

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