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Full-stack developer building modern web and mobile applications, with a focus on automation and AI.

Available for new projectsPreviously led Growth Engineering at Payfit, Back Market and Alma.
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Featured projects
payfit.com home page: payroll, admin and HR handled by Payfit experts, beside a customer portrait and quote
Payfit

Payroll and HR software used by more than 22,000 businesses in France, Spain and the UK

Year
2026
Type
Website and growth tools
Tech stack
Astro, DatoCMS, AWS Amplify
View project
smartvatten.com home page: Stop guessing. Start controlling.
Smartvatten2025–2026

Water monitoring for property owners and utilities, to catch leaks early and use less water

Marketing website · Next.js, DatoCMS

goalGetr app: team roster, drill video and coach calendar on three phones
goalGetrSince 2025

Ice hockey training platform: ready-made sessions for coaches, visible progress for players

Mobile + web · Next.js, DatoCMS, Clerk

PaperDrop Form Builder: field settings on a PDF document
PaperDrop2025–2026

Job management for UK contractors, from scheduling to signed paperwork

Web app · Next.js, React, TypeScript

Nucase app: partner sign-up, task estimate and room picker on three phones
Nucase2024–2026

Home renovation platform in Norway, with instant estimates and vetted contractors

Web app · Next.js, DatoCMS, MongoDB

intigriti.com home page: global crowdsourced security provider
IntigritiSince 2024

Europe’s leading bug bounty platform, where companies reward ethical hackers for finding vulnerabilities

Marketing website · Next.js, DatoCMS, Algolia

abax.com home page: Insights that drive impactful decisions
ABAX2023–2025

Telematics for construction and service fleets across Europe, tracking vehicles, machinery and tools

Marketing website · Next.js, DatoCMS, Algolia

Back Market Pro catalog search: MacBooks filtered by quantity, condition, brand and model
Back Market Pro2023–2024

Back Market’s store for businesses, buying refurbished laptops, phones and tablets in bulk

B2B e-commerce · Hydrogen, Remix, Stripe, Algolia

almapay.com product page: Boost your sales with payment in installments
Alma2022–2024

Installment payments for more than 25,000 merchants across Europe, online and in store

Marketing website · Next.js, DatoCMS, Tailwind CSS

Now building

Analog

An iPhone app for vinyl collectors. It identifies what’s playing on your turntable and turns your record shelf into curated listening sessions.

Now playingRecognizes the record on your turntable
PlaylistsBuilt from records you already own
Choose a vibeTap a mood or describe it in your own words
Session lengthTell Analog how long you want to listen
DraftingAnalog Studio picks records from your shelf
ReviewCheck the draft, then save and start
CollectionYour records, synced from Discogs
Listening sessionWhat’s playing now and what’s up next
SidesChoose which sides of a record to play
SettingsDiscogs sync, recommendations and app icons
More projects2014–2025
2025Smartvatten Solutions AdvisorSales and lead generation tool matching buildings to water solutionsLead gen tool
2022CategoryAPILead categorization across 5,500 categories, in any languageSaaS
2021Portal MonitorLead automation across real estate portals, for over 250 agenciesSaaS
2021Real Estate JobsJobs and community for real estate agents and agenciesJob board
2018MoonInfluencer marketplace connecting brands and creatorsMarketplace
2018Followed.aiFinds the Twitter users most likely to engage with your brandSaaS
2016AboutYouYour own .com and a professional page, set up in minutesSite builder
2014ArticlyWeekly SEO articles on subscription, sold to Glean.net in 2016SaaS
About
Nicolas Spehler
Nicolas SpehlerFull-stack developer

Hey! I’m Nicolas, a full-stack developer with a strong focus on automation and AI to help businesses scale through technology.

I’ve led Growth Engineering teams at Payfit and Alma, and more recently worked as a freelance full-stack engineer for Back Market and Intigriti.

More about me
Experience
Intigriti2024
Back Market Pro2023
Alma2022
Dolead2021
Payfit2019
INSEEC2015
L&S2012

Let’s work together on web and mobile apps, marketing websites, internal tools or growth engineering.