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Senior Product Designer

10+ years building digital products · Complex B2B, AI & fintech · Porto

Open to Senior Product Designer roles · Porto preferred · Portugal & EU remote

Projects below

Dense systems, made usable.

Freight Client Portal

2019 — 2023

A freight client portal for Russian Railways, covering shipment planning, documents, tracking and payments across web, iOS and Android.

~250 web and ~150 mobile screens · ~50 operations · 4 designers

end-to-end shipment cycle
30 → 14 days
reported user satisfaction
85%
unique monthly users
33k

Role: Design Lead & Senior Product Manager

Read the case study: Freight Client Portal
The freight platform on a laptop and phone at a rail yard: a route on the map with priced delivery options, and wagon tracking with consignment counts on the phone.

EmbryoNet AI Technologies

2023 — present

An AI platform that helps scientists analyse how compounds affect embryonic development. I designed the experiment setup, result review and correction workflows, alongside the microscope interface.

Built on research published in Nature Methods

scientist’s hands-on time per run
8h → 30min
from zero to live experiments
9 months
screens for 3 user roles
40
The platform on a laptop in a lab: a zebrafish run graded well by well into lethal, sub-lethal and tolerated, beside dose-response and lethality analytics.

Mortgage Retention Decisioning

2024 — 2025

A mortgage retention product for a US fintech. I designed the workflow that helps advisors review prioritised opportunities, prepare offers and contact borrowers.

25 screens · design system built from scratch · ~100 advisors using the product

of manual work removed, daily
~1 hour
more clients per advisor, daily
~30%
from kickoff to MVP in production
7 months

Role: Independent Product Designer, from product definition through MVP and pilot

Read the case study: Mortgage Retention Decisioning
The retention dashboard on a laptop: recapture offers with the number of eligible borrowers and total equity, a choropleth of customers by state, a loan product breakdown and a payoff trend chart.

Ursa School

2023 — present

An online Serbian language school. I designed the website, booking and learning journeys, and connected them with CRM workflows and automated communication.

Marketing site · level-assessment test · LMS · CRM integration

attendance among trial-lesson bookings
55% → 82%

Role: Independent Product Designer

Read the case study: Ursa School
The school's site on a laptop in a library: “Serbian language school”, a results guarantee, a free-lesson button and the Ursa Major constellation across the screen.

Events Platform

2021 — 2023

An internal events app that grew into a platform for participants and organisers. I designed the first release and continued developing the mobile and web experience.

~90 mobile and web screens · programme, live interaction and organiser tools

in the first year
100+ events
of attendees signed in during an event
~80%
from idea to the first live release
1 month

Role: Product Designer & Product Owner

Read the case study: Events Platform
The events app held at a conference: a live event with its organiser, dates and venue, above a tab bar.

About and approach

Anton Startsev

I’m a Senior Product Designer with 10+ years of experience in complex digital products.

I work from research and user flows through interface design, prototyping and delivery. My experience includes enterprise platforms, scientific software and products built from the ground up.

  1. 01

    Research that changes the design

    I conduct interviews and usability studies myself. At EmbryoNet, research with scientists changed how I presented results, organised review and defined the product’s scope.

  2. 02

    Clear workflows for complex decisions

    At EmbryoNet, I designed how scientists review uncertain results, inspect the evidence and correct the model’s output before signing off a run.

  3. 03

    Design through delivery

    I build design systems, work with engineers through implementation and review the shipped experience. At Russian Railways, I also led the design team and mentored designers.

Open to Senior Product Designer roles

Based in Porto, Portugal, with authorisation to work here. Get in touch about a Senior Product Designer role or to discuss my work in more detail.