Josef Adamčík
Senior Software Engineer
📧 josef.adamcik@gmail.com 🌐 https://josef-adamcik.cz 📞 Prague, Czech Republic 🔗 LinkedIn | GitHub
PROFESSIONAL SUMMARY
19-year veteran Senior Software Engineer specializing in robust Java/Spring and modern TypeScript/NestJS backend development. Proven ability to architect and lead complex technical initiatives, including critical cloud infrastructure migration (on-prem to GCP) and the development of scalable microservice architectures. Deep commitment to software quality, leveraging DevOps (Kubernetes, Terraform, CI/CD), automated testing, and clean code principles to deliver tangible business value and drive gradual, sustainable product improvement.
PROFESSIONAL EXPERIENCE
Senior Software Engineer
Hubexo (formerly ByggFakta) | Europe (Remote) | June 2024 – Present
Senior engineer working on internal startup product development with a modern tech stack and strong DevOps responsibilities. Collaborates with a distributed team of experts across Europe.
- Backend feature development utilizing modern Java/Spring Boot and NestJS/TypeScript stacks.
- Assumed full DevOps ownership, managing and automating cloud infrastructure (GCP/Kubernetes) to ensure high availability and scalability for the internal product.
- Contributing to internal startup product architecture and strategic technology decisions.
- Led the internal initiative to reduce technical debt, focusing on refactoring legacy Java services.
Senior Software Engineer
Olmero | Germany (Remote) | April 2021 – June 2024
Transitioned from mobile to backend engineering, focusing on scalable e-tendering solutions within a microservice architecture. Key driver in the company-wide cloud transformation.
- Played a critical role in a multi-year DevOps initiative, successfully migrating the entire company infrastructure from legacy on-premise servers to a high-availability Google Cloud Platform (GCP) environment.
- Developed core e-tendering products for the construction industry using a modern microservice architecture.
- Implemented full-stack solutions across multiple platforms and integrated systems.
Senior Android Developer
Olmero | Germany (On-site) | October 2018 – April 2021
Developed Android applications for the Swiss construction industry, focusing on solutions for site management and contractor collaboration.
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Built the primary OLMeRo Android application to manage construction workflow and collaboration.
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Delivered features covering defect tracking, plan viewing, and comprehensive project management functionalities.
Android Developer
Freelance | Czech Republic | March 2018 - October 2018
Provided specialized Android development consulting services to help companies accelerate their mobile software projects and implement best practices.
Software Developer
Smarcoms | Czech Republic | January 2006 – January 2018
Full-stack development role spanning web, mobile, and backend technologies. Rapidly progressed from student developer to a senior technical contributor over a 12-year tenure.
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Architected and developed the Bizzy enterprise booking system (Java/Spring/Hibernate) used by numerous sports centers.
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Led backend and mobile development for the Shopin retail guide, transitioning the mobile platform from hybrid to native Android.
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Became the primary technical problem-solver and resource for the development team, contributing deep system knowledge.
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Built complete application ecosystems, including APIs, web administration portals, and final mobile applications.
TECHNICAL SKILLS
| Category | Core Expertise |
|---|---|
| Backend & Enterprise | Java, Spring Boot, Spring, Hibernate, NestJS, Node.js, TypeScript, REST, GraphQL, PHP, Symfony |
| Cloud & DevOps | Google Cloud Platform (GCP), Kubernetes, Docker, Terraform, Helm, CI/CD (GitHub Actions), AWS, Linux, Prometheus |
| Databases & APIs | MySQL, PostgreSQL, MongoDB, Firebase Firestore |
| Testing & Quality | JUnit, Mockito, Jest, Espresso, TDD, Automated Testing, Code Review |
| Mobile | Android, Kotlin, Java |
| Web & Other | HTML, CSS, JavaScript, Python, Git, SCRUM, Kanban |
PERSONAL PROJECTS & TECHNICAL PURSUITS
Custom Keyboard Design & Build
SofleKeyboard, StanaKeyboard | Technical Pursuits | 🔗 GitHub Repository Sofle, Github Repository Stana, Project Website
- Designed and built a ustomized ergonomic mechanical keyboards from scratch.
- Showcases deep attention to detail, precision engineering, and the ability to execute a complex project involving hardware, electronics, and low-level firmware.
EDUCATION
Master's Degree in Software Engineering in Economics Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineering 2006 – 2010
Bachelor's Degree in Software Engineering in Economics Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineering 2003 – 2006
LANGUAGES
- Czech: Native
- English: Professional Working Proficiency
- German: Elementary