We are looking for a talented Senior Full Stack / Backend Engineer who thrives in solving complex technical challenges and building scalable, high-performance applications. You will work with a modern technology stack and contribute to both backend and full-stack development, ensuring robust system architecture and seamless integrations. 

In this role, you will: 

• Develop and maintain business features across backend and full-stack applications. 
• Debug production issues on web applications running on multiple servers, database replicas, and caching systems. 
• Write and maintain technical documentation to support ongoing development. 
• Set up and manage CI/CD pipelines (e.g., Jenkins, Atlassian Bamboo) to streamline deployments. 
• Optimize system performance for scalability, security, and maintainability. 
• Ensure automated test coverage across backend services and full-stack features. 
• Create and maintain reproducible development environments for consistent deployments. 

Technical Skills: 

Backend Development: 

• Strong experience with PHP (preferably Symfony or Laravel) and Node.js. 
• Expertise in TypeScript for backend and full-stack development. 
• Experience developing RESTful APIs and knowledge of GraphQL is a plus. 

Frontend Development: 

• Proficiency in modern JavaScript frameworks such as React.js, Vue.js, or Angular. 
• Experience with TypeScript in frontend development. 
• Familiarity with state management solutions (Redux, Vuex, Zustand, etc.). 

Databases & Messaging: 

• Strong experience with MySQL, including writing optimized queries and database indexing. 
• Experience with RabbitMQ or other message brokers for event-driven architectures. 

Containerization & CI/CD: 

• Experience with Docker/Podman for containerized applications. 
• Familiarity with Kubernetes is a plus. 
• Experience setting up CI/CD pipelines using Jenkins, Atlassian Bamboo, or similar tools. 

Performance & Security: 

• Expertise in backend performance optimization and scalability techniques. 
• Strong knowledge of secure authentication, authorization, and API security best practices. 

Soft Skills: 

• Problem-Solving: Ability to diagnose and resolve complex technical issues efficiently. 
• Collaboration: Strong communication and teamwork skills in an agile development environment. 
• Adaptability: Comfortable working in a fast-paced, iterative development cycle. 

Nice to Have: 

• Experience with Kubernetes and cloud-native architectures. 
• Familiarity with Elasticsearch and OpenAPI (Swagger). 
• Experience in payment system integrations or high-availability architectures. 
• Knowledge of microservices architecture and event-driven development. 

What we offer

• An exceptional compensation package
• Your health is our wealth: We will offer you a private health insurance and an AYCM sportspass
• Cafeteria benefit (gross 500.000 Ft / year)
• The opportunity to see your work directly contribute to the success of the company
• When you grow, we grow: You have the chance to attend events, meetups, and other perks for your professional growth
• You’re joining the #ByborgSquad and you are going to look the part! We give out company-branded merchandise to every new joiner
• And of course, a fun, professional, and collaborative work culture

Byborg Enterprises is an equal employment opportunity employer. We consider individuals for employment based on their skills, abilities and experience. We thrive to attract and hire a strong, talented and diverse workforce, prohibiting discrimination based on race, color, religious or political beliefs, age, nationality, physical, mental or developmental disability, gender, sexual orientation.

DISCLAIMER: This job description is a summary of the primary duties and responsibilities of the job and position. It is not intended to be a comprehensive or all-inclusive listing of duties and responsibilities. Contents are subject to change at management's discretion.

NOTE: Byborg Enterprises SA does not accept unsolicited resumes from agencies. We consider any resume (CV) or biography received from an agency without prior approval from our Legal and Recruiting Department to be unsolicited, and such submissions will not be recognized for purposes of “ownership” of the candidate.

We are in it for the long haul so your future is safe with us.