Tech Lead Fullstack with .NET and Angular (f/m/x)

Design, develop, and maintain backend-centric fullstack solutions using .NET and Angular
Take ownership of technical decisions with a strong focus on backend architecture and cloud-based solutions
Build and evolve systems based on Domain Driven Design and Clean Architecture
Design, develop, and maintain microservices, APIs, and integration layers
Ensure code quality through unit tests and architectural consistency
Plan and realistically deliver roadmap items, focusing on feasibility, prioritization, and execution

Minimum 7 years of commercial experience in .NET development, including senior or tech lead responsibilities
Strong backend expertise combined with hands-on experience as a Fullstack Developer (Angular)
Solid understanding of cloud-native architectures and modern backend systems
Solid understanding of Domain Driven Design, Clean Architecture, microservices, and API design
Practical experience using AI tools in daily development work (e.g., AI copilots, AI-assisted coding, AI-driven workflows)
Pragmatic, realistic engineering mindset focused on delivery, planning, and rational decision-making
Ability to take ownership of complex topics and drive them to completion
Fluency in English
Residing in Poland required

Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People

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