Full-stack Developer – Angular & .NET

About the role

IntellectEU is an international fintech technology company looking for a Full‑stack Developer to join its hybrid team in Krakow. You will work on core backend and frontend services, integrating blockchain networks and cloud platforms while collaborating closely with clients and internal experts.

Key responsibilities

• Design, implement and maintain fault‑tolerant, secure, and scalable backend and frontend services.
• Build API‑first services that integrate blockchain networks, third‑party solutions and internal systems.
• Apply cryptographic signatures, key management and zero‑trust principles for secure communications.
• Develop event‑driven architectures using Apache Kafka and asynchronous messaging.
• Implement concurrent and asynchronous processing for multi‑threaded workloads.
• Integrate Web3 SDKs for on‑chain interactions, transaction signing and state monitoring.
• Maintain high test coverage with unit, integration and functional tests in CI/CD pipelines.
• Produce technical documentation, API specifications and operational runbooks.

Required profile

• Strong knowledge of .NET (C#) and extensive hands‑on experience with TypeScript and Angular.
• Proven experience designing and consuming REST APIs and/or event‑driven architectures.
• Good understanding of SDLC, Agile methodologies and modern DevOps practices.
• Experience with cloud platforms (Azure preferred) and CI/CD pipelines, Git and automated testing frameworks.
• Strong analytical, problem‑solving, communication and interpersonal skills.

Required skills

• .NET (C#)
• TypeScript
• Angular
• REST APIs
• Event‑driven architecture
• Azure cloud
• CI/CD pipelines
• Git
• Automated testing frameworks
• Apache Kafka
• Web3 SDKs
• Blockchain integration
• Cryptographic signatures & zero‑trust security

What we offer

• International experience in a stable company with offices across Europe and the US.
• Passionate, innovative team in a casual, positive and open work environment.
• Opportunities for personal and professional development in the fintech sector.