Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets.

At the core of the role

We are looking for a genuine Fullstack Engineer who combines solid traditional software engineering expertise with modern AI-native development approaches. In this role, you will take ownership of code quality, technical solutions, and end-to-end deliverables within a collaborative Agile team environment—writing, reviewing, and maintaining production-grade code rather than relying solely on AI generation.

Core skills you’ll bring

Solid background as a hands-on Fullstack Engineer with Medior+ experience in Java and/or Kotlin on the backend and React on the frontend.
Practical, hands-on experience using AI-assisted development workflows , with the ability to independently write, debug, and review complex codebases.
Strong familiarity with software architecture, PostgreSQL, GitHub, and DevOps principles.
Great teamwork, strong communication skills, and a proactive mindset toward task ownership and cross-functional Agile collaboration.
Czech or Slovak language at an excellent level is essential, with at least technical English proficiency.

The impact you'll create

Design, build, and maintain fullstack technical solutions across backend (Java and/or Kotlin) and frontend (React) using High-Level Design (HLD), Clean Architecture, and Domain-Driven Design (DDD) principles.
Apply modern AI-assisted development tools (e.g., Claude Code, OpenAI Codex) and AI-native approaches, particularly Specification-Driven Development and AI Development Lifecycle (ADLC).
Write and maintain robust automated tests following Test-Driven Development (TDD) methodologies, independently evaluating and validating all AI-assisted code.
Manage data layers using PostgreSQL and collaborate across DevOps practices and GitHub workflows within an end-to-end Scrum delivery framework.

What supports your journey

Pleasant working environment and stable background in one of the largest software development companies
Flexible hybrid setup with 3 days onsite and the rest from home, giving you a great balance of direct team collaboration and flexibility.
Space to work independently and creatively with the possibility to implement your own ideas and opportunities to learn new things and approaches
You have the opportunity to influence your direction in the company
High quality hardware and software, access to the latest technologies and specific projects
Opportunities to improve your language skills, we are a major global player
At Avenga, you'll get quality support in your development thanks to a wide range of internal and external training courses, so you can push the boundaries of your competences
We offer you benefits such as life insurance and pension contribution, EN/DE/ES lessons, MultiSport card, sick days, meal allowance, lots of company events, offices in Prague Palmovka quality amenities for lovers of sport, food and coffee, hybrid remote work after mutual agreement, and more

People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.

Fullstack (Java+React) Engineer

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