We’re Similarweb – the world’s leading digital intelligence platform, used by Google, Adidas, and over 4,300 companies. We went public on the NYSE in 2021, and now we’re expanding our R&D presence with a brand-new hub in Prague 🇨🇿.

We're looking for a Senior Backend Engineer to help us build and scale high-throughput systems using .NET (C#) and modern cloud infrastructure.

🔧 What you’ll do:

• Build scalable services & APIs in .NET (C#)

• Work on data pipelines handling tens of thousands of events per second

• Integrate with AWS, Spark, Airflow, and other modern data tools

• Take ownership of architecture, performance, and clean code

• Collaborate with top-tier engineers, product, and data teams

👀 What we’re looking for:

• 5+ years of backend development experience

• Solid skills in C#/.NET, clean architecture, and system design

• Experience with AWS or other cloud platforms

• Curious, proactive mindset – someone who owns their work and enjoys solving big problems

What you’ll get:

• Hybrid work – 3 days in our modern DOCK IN Prague office, 2 remote

• 🌴 5 weeks vacation + birthday leave 🎂 + 3 sick days

• Meal vouchers, Multisport card, regular team lunches🍕

• 💻 MacBook Pro M3 and top-notch equipment

• 🍻Regular team events, weekly happy hours & company parties

• Stock options – be part of our success

• Career growth – we support horizontal moves and leadership paths

• A product you’ll actually be proud to build

Ready to code at scale and shape the future of digital intelligence?

📩 Apply now and join Similarweb’s Prague R&D team!