Julia Persson

Senior Android Engineer at Just Eat Takeaway | ex-Farfetch

Just Eat Takeaway

Helsinki, Finland · EET (UTC+2)

8+ years experience

Bocconi University

English, Finnish

Messaging unavailable

Overview

Based in Helsinki. I work on mobile apps at Just Eat Takeaway. Led the migration of 50 services to Kotlin. Former debater; now I argue with spreadsheets.

Good reasons to reach out

Questions about mobile apps

Please don't message about

Recruiters for roles outside my stack
Requests to fix your code for free
Unpaid work or spec projects

Slower in the last week of each quarter

Skills

GradleMVVMKotlinAndroid performanceCoroutinesJetpack Compose

Experience

Senior Android Engineer
Apr 2026 - Present
Just Eat Takeaway · 6 mo · Full-time · Helsinki, Finland
- Brought on-call pages for Android down from 36 a week to 4.
- Grew the Android team from 4 to 22 engineers.
Android Engineer
Jun 2024 - Dec 2025
Farfetch · 1 yr 6 mo · Full-time · Helsinki, Finland
- Cut cold-start time on low-end Android phones by 42%.
Android Engineer
Sep 2020 - Jun 2024
Meta · 3 yr 9 mo · Full-time · Helsinki, Finland
- Cut cold-start time on low-end Android phones by 39%.
Android Engineer
Jun 2018 - Sep 2020
Delivery Hero · 2 yr 3 mo · Contract · Helsinki, Finland
- Cut p99 latency on the Android services from 341ms to 46ms.
- Reduced cloud spend on Android by 35% in two quarters.

References

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Education

Bocconi University
BSc, Computer Science
2013 - 2016

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