Fullstack Engineer (Java/React)

Location: Prague, Czech Republic; hybrid with 3 days onsite at the Prague office and the rest from home.

Company

Avenga is an international engineering firm with 6,000+ experts worldwide, helping businesses operate with AI at the core across industries, technologies, and markets.

What you will do

• Design, build, and maintain end-to-end fullstack solutions using Java and/or Kotlin on the backend and React on the frontend.
• Apply High-Level Design, Clean Architecture, Domain-Driven Design, Specification-Driven Development, and AI Development Lifecycle approaches.
• Use AI-assisted development tools such as Claude Code and OpenAI Codex while independently writing, debugging, reviewing, and validating complex production code.
• Write and maintain automated tests following Test-Driven Development methodologies.
• Manage PostgreSQL data layers and contribute to DevOps practices, GitHub workflows, and end-to-end Scrum delivery.

Requirements

• Hands-on Fullstack Engineer experience at Medior level or above.
• Professional experience with Java and/or Kotlin on the backend and React on the frontend.
• Practical experience with AI-assisted development workflows and the ability to independently write, debug, and review complex codebases.
• Strong familiarity with software architecture, PostgreSQL, GitHub, and DevOps principles.
• Excellent Czech or Slovak language skills are essential.
• At least technical English proficiency is required.
• Strong communication, teamwork, proactive task ownership, and experience with cross-functional Agile collaboration.

Culture & Benefits

• Flexible hybrid setup with 3 days onsite in the Prague office and remote work for the rest of the week after mutual agreement.
• Stable environment in a large software development company, with autonomy and opportunities to influence career direction.
• Access to high-quality hardware, software, current technologies, specific projects, and internal and external training.
• Language lessons in English, German, and Spanish.
• Life insurance, pension contribution, MultiSport card, sick days, meal allowance, company events, and Prague office amenities.
• Respectful and inclusive workplace with equal opportunities.

Hiring process

• Send a CV describing core skills and career interests.
• Complete a talent call, technical interview, and, for some roles, a customer interview before receiving an offer.