Available for Q1 2025

Tauhid SajibProduct Designer, building calm software.

I design the connective tissue of software: onboarding, search, billing, and the quiet moments that decide whether a product feels built or assembled.

Currently designing for Lisbon · Remote. Open to embedded and advisory work.
Selected Work

Case studies with measurable impact

Four recent engagements where the design decision moved a real number. Scroll through and click any card to read the full case study.

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Experience

Nine years across healthcare, travel, fintech, and consumer

Lead Product Designer · Helix Health

Remote

2023 — Present

Leading design for the clinician-facing platform serving 40,000 healthcare professionals.

  • Redesigned onboarding, lifting activation from 41% to 87%.
  • Built the first shared design system across three product squads.
  • Mentored four designers and established a weekly critique ritual.

Senior Product Designer · Atlas

Berlin

2021 — 2023

Owned the traveler planning experience for a consumer travel platform with 6M monthly users.

  • Shipped a modular planning canvas that grew completion rate 54%.
  • Introduced a research practice that ran 60+ studies in two years.
  • Partnered with engineering to ship a keyboard-first command palette.

Product Designer · Monolith

London

2019 — 2021

Designed billing, account, and retention surfaces for a B2B SaaS platform.

  • Redesigned the billing center and dunning flow, cutting involuntary churn to 2.1%.
  • Recovered $1.4M in annual revenue through a one-click payment retry.
  • Built the first component library adopted by engineering.

Product Designer · Fern

Lisbon

2018 — 2019

Designed the reading and discovery experience for a consumer reading app.

  • Redesigned the home shelf around calm re-entry, lifting D30 retention 38%.
  • Ran 18 reader interviews that reshaped the progress model.
  • Shipped ambient reading goals that replaced gamified streaks.

Junior Product Designer · Studio Kestrel

Lisbon

2016 — 2018

Started in a product studio working across early-stage client engagements.

  • Shipped 9 client MVPs across fintech, health, and consumer.
  • Learned to pair research with rapid prototyping under tight deadlines.
  • Built the studio’s first Figma component library.
Years
9
Shipped
40+
Teams
12
Studies
120+
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I take on one embedded engagement and two advisory cadences at a time. If the fit is right, we start with a 30-minute discovery call. If it is not, I will point you to someone who is.

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