Nilan Marktanner
Senior Backend Engineer at SumUp
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolNilan Marktanner is a Senior Backend Engineer based in Berlin with 12 years of experience building resilient, production-grade systems across payments, simulation, and GraphQL tooling. Currently shaping merchant onboarding at SumUp, he blends Java, Go and TypeScript with streaming and orchestration tech (Kafka, RabbitMQ, ArgoCD) to deliver reliable, delightful experiences at scale. A pragmatic full‑stack contributor from his Prisma and GraphQL boilerplate work to Apollo tutorials, he moves fluidly between upgrading server internals and crafting developer-facing examples. He also consults and coaches founders and engineers, pairing technical depth with systems thinking and facilitation skills from his systemic coaching training. Unusually for an engineer, his background spans computer science masters work and a BA in Middle Eastern studies, reflecting curiosity about culture and human systems that informs how he designs products and teams.
12 years of coding experience
6 years of employment as a software developer
Bachelor of Arts - BA, History and Cultures of the Middle East (Concentration: Iranian Studies), Bachelor of Arts - BA, History and Cultures of the Middle East (Concentration: Iranian Studies) at Freie Universität BerlinBachelor of Science (B.Sc.), Computer Science, 2.1 (good), Bachelor of Science (B.Sc.), Computer Science, 2.1 (good) at Karlsruhe Institute of Technology (KIT)Constellation Facilitator, Constellation Facilitator at UChange AcademyMaster of Science (M.Sc.), Computer Science, 2.0 (good), Master of Science (M.Sc.), Computer Science, 2.0 (good) at Karlsruher Institut für Technologie (KIT)
German, English, French, Persian
Stackoverflow
7,658reputation
635kreached
97answers
6questions
mysql
top-5%
apollo-client
top-1%
apollo
top-1%
graphql
top-1%
Github Skills (53)
javascript10
back-end-development10
user-manual10
typescript10
schema-design10
wpgraphql10
prisma10
orm10
api10
apollo-client10
front-end-development10
wordpress-graphql10
database-design10
db-schema10
typescript-types10
Programming languages (15)
Github contributions (5)
learnapollo/learnapollo
Oct 2016 - Jun 2017
👩🏻🏫 Learn Apollo - A hands-on tutorial for Apollo GraphQL Client (created by Graphcool)
Role in this project:
Front-end Developer
Front-end DeveloperContributions:130 commits, 43 PRs, 128 pushes in 7 months
Contributions summary:Nilan primarily contributed to the development of the front-end tutorial content within the Learn Apollo repository. They added and updated exercises for the React track, covering topics like queries, fragments, and mutations. Additionally, the user made minor adjustments to the landing page and side navigation titles, as well as adding download links for different platform examples. These changes indicate an active role in shaping the educational resources for the Apollo GraphQL client.
graphql-clienthands-onreacthandsgraphcool
prisma/prisma1
Apr 2017 - Oct 2018
💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated]
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:23 releases, 282 commits, 164 PRs in 1 year 5 months
Contributions summary:Nilan contributed to the Prisma 1 project by implementing example integrations and updating existing code. They added examples for sending emails and push notifications, demonstrating integrations with third-party services like Mailgun and Pusher. Furthermore, they made changes to a full example including Stripe integration and refactored the checkout and authentication modules. The user also worked on code related to the CLI, including updates to the console and init commands.
mysql-mongodbadminmysqlserverlesssql
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.