IEEE/ACM CCGRID · 2020
Salamander
Heterogeneity- and volatility-aware scheduler for MapReduce on ephemeral cloud. Global vision of resource utilisation + scheduler-based data placement + reactive QoS controller.
47.6%
faster, worst case
Berlin · Open to select conversations
Quietly
correct
software.
I'm Mohamed Handaoui — an engineering manager and full-stack engineer in Berlin. I ship the parts of a product that have to be quietly correct, and coach the small, sharp teams that build them.
hi, it's me →
will probably over-engineer your testing pipeline
1.5M
verified players
on the panel I help build
47.6%
faster schedules
Salamander · CCGRID '20
5 yrs
one great company
SWE → TL → Eng. Manager
01 / selected work
The thing I'm building now.
PlaytestCloud · Berlin · Jan 2021 — now
Five years, four hats, one platform behind most top-grossing mobile games.
now
Engineering Manager
Cross-functional group across mobile, platform, and the recording pipeline. Partnering with the CEO on live & moderated playtesting.
2024–26
Tech Lead
Set the review rituals and RFC cadence the team still runs on. Wrote fewer PRs, unblocked more.
2023–24
Senior Software Engineer
Led the AngularJS → Angular migration of the customer and admin platforms; kept Rails compatibility intact.
2021–23
Software Engineer
Built the automatic injection of recording code into Android game builds — no binary changes needed from the studio.
Research · IRT b<>com · 2019–20
Salamander — MapReduce on ephemeral cloud.
A heterogeneity- and volatility-aware scheduler. Up to 47.6% faster on mixed workloads. Published at IEEE/ACM CCGRID 2020.
Earlier · 2015 — 2018 · Algiers
Freelance, research, volunteer.
Three shipped freelance products in ten weeks (Swissport, Moussafir, Wilab). Two and a half years at the UNICEF Innovation Lab on civic-tech for children, elderly, and people with disabilities.
“
I like the parts of software that have to be quietly correct — recording pipelines, mobile clients that can't drop a frame, schedulers that hold a guarantee.
— M.H., on what's fun.
02 / toolbox
Leads on. Handy with the rest.
Mobile
★★★★★- Flutter
- iOS · Swift
- Android · Kotlin
- Cross-platform
Frontend
★★★★★- Angular
- React
- TypeScript
- Tailwind
Backend
★★★★★- Ruby on Rails
- Node.js
- Python · Flask
- REST APIs
Leadership
★★★★☆- Team leadership
- System design
- Agile & RFCs
- Mentorship & hiring
03 / selected papers
Published (with numbers).
Read paper ↗
IEEE · 2022
RISCLESS
RL strategy that exploits unused cloud resources by mixing ephemeral and stable on-demand capacity to guarantee customer SLAs and reduce costs.
15.9%
higher CP profit
IEEE CloudCom · 2020
ReLeaSER
RL strategy that dynamically tunes host-level safety margins per resource metric, improving ephemeral utilisation without breaking guarantees.
2.7×
fewer SLA penalties
Got a good problem?
Currently open to freelance and select full-time conversations. Happy to chat about mobile pipelines, team scaling, or papers you think I'd like.
handaoui.mohamed@gmail.com