Data Scientist

Working-holiday tax calculator for Australia, covering ATO rates, treaty comparisons and departing superannuation. Runs in the browser in 8 languages.

Free map comparing where to live in Switzerland and the Netherlands on taxes, public transport, schools, noise, air quality, sunshine, nature and healthcare.

English setup guides for Alipay and WeChat Pay using foreign cards, and what to do when a shop only takes mainland wallets.

The most complete English-language guide to living in Berlin: registration, housing, jobs, banking and visas.

Guides on Anmeldung, bank accounts and finding a flat in Berlin, written by someone who has done it.

Which German banks will open an account before you have a registered address, and what each one requires.

Work out how much of a German gross salary survives tax and social contributions.

How German health insurance works: statutory versus private, what it covers, and what it costs.

A practical walkthrough of picking between statutory and private health insurance in Germany.

Practical low-budget living advice for Germany: housing, transport and how to live for less.

End-to-end checklist for relocating to Berlin, from paperwork to actually arriving.

Registering a sole trader, getting a tax number, and the VAT and insurance you must carry as a freelancer.

Romanian-language guide for Romanians abroad handling paperwork at a Romanian consulate: passports, national ID, powers of attorney, and transcriptions.

Gross-to-net salary calculators for Denmark, Sweden, Norway and Finland, including holiday pay and gross-up.

Relocation guides for non-EU expats moving to Denmark, Sweden, Norway or Finland, covering banking, housing, taxes and healthcare.

English guides to Spanish visas and residence permits — digital nomad, non-lucrative, student, Beckham law — written against the BOE.

Free guide to Spanish immigration paperwork in English, Spanish and Ukrainian: NIE and TIE, Cl@ve, cita previa, official EX forms, plus a CCSE citizenship practice test.

Jobs in Finland from employers' own career pages, searchable in English with a no-Finnish-required filter.

Jobs in Finland for international applicants, every listing in English, run by Business Finland.

Browser-only tool that turns your last giffgaff activity into a reminder before your number is reclaimed, and exports an ICS file.

A link-checked list of tools for digital nomads: finance, visas, insurance, eSIMs, accommodation and communities.

Keep track of the people you said you would call, so distance does not quietly become drift.

Subscription language courses built by teachers, closer to a real course than a gamified app.

The most widely used way to learn a language, and the one most expats already have installed.

Spaced-repetition language learning built around native-speaker video and pronunciation.

A complete, free, self-directed path to a computer science degree-equivalent, using open courses.

A free, self-directed path to data science: statistics, programming, machine learning and SQL.

Open dataset of which US banks accept non-US-resident account holders, with CSV and JSON downloads.

Dated prices for clinics and shops in Da Nang, Bangkok and Budapest, compared against home-country prices.

Works out the age you can stop saving and coast to retirement, for expats juggling multiple currencies.

A plain-English guide to stock options and RSUs: vesting, exercise, taxes and what to negotiate.

Cost-of-living comparisons for hundreds of cities, built from expat-submitted data.

Compare compensation between companies and positions.

Crowdsourced cost-of-living data for cities worldwide, covering rent, food, transport and crime.

Cost-of-living comparisons for 208 cities, with a tax calculator and visa guides.

Free, no-signup calculator that checks one travel ledger against 16 countries' tax-residency day-count tests plus the Schengen 90/180 stay limit.

Compare cities on quality of life, prices and job opportunities to find a good place to land.

Move money between countries at low cost with transparent mid-market exchange rates.

Send money, reload phones and pay bills internationally.

Rent unique accommodations from local hosts in 191+ countries.

Free stays with locals, and a useful way to meet people in a new city.

Median monthly prices for flex desks, fixed desks and private offices across German, Spanish, UK, Dutch and UAE cities.

Long-term rental platform offering monthly and longer stays, popular with expats.

API for accommodation data across Airbnb, Booking.com, Vrbo and Google Hotels.

Rooms and studios rented direct from hosts with no agency or commission, from one month upwards.

Find cheap flights fast, explore destinations on a map, and set fare alerts.

Browser-only passport, visa and residence-permit photo tool covering 248 document formats. No upload, no signup, no watermark.

Cheap flights, trains, hotels and car hire, with 24/7 support.

Compare cheap flights, hotels and car hire across providers.

Schengen 90/180 calculator and per-country stay-day tracker for managing visa-free day limits while abroad.

Move-abroad planner for US citizens: country-fit quiz, visa routes for remote workers and retirees, and the US tax picture.

Visa-pathway matcher that ranks residence and work visa options across 10 countries with costs and processing times.

See which 2026 residence and digital-nomad visas you qualify for by income, with an affordability index.

AI tax assistant for foreigners opening a business in Italy: forfettario regime, partita IVA, INPS and ATECO codes.

English-language property search in Japan for foreigners: akiya, kominka, apartments and land on a map with hazard and transit data, plus a closing-cost calculator.

Curated resources for foreign residents in Korea: visas, ARC registration, jeonse and wolse housing, NHIS, banking and taxes.

Compares the Foreign Earned Income Exclusion against the Foreign Tax Credit on current IRS brackets, for US citizens abroad.

How US citizens abroad can eliminate state income tax by keeping domicile in a no-tax state.

Take-home pay estimate after federal, state and FICA withholding, for anyone working in the US.