Full Stack Developer

Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, it employs around 150 professionals delivering a full range of services including specialist and executive recruitment, employee outsourcing, HR consulting, employer branding, and market research. The company combines deep industry expertise with functional specialisation to provide tailored solutions for companies in every sector.

• 5+ years of experience in software engineering.
• Strong expertise in Node.js and TypeScript.
• Experience designing and implementing event-driven architectures.
• Advanced knowledge of asynchronous programming patterns.
• Proven experience designing and maintaining complex APIs.
• Strong frontend development skills with React and Next.js.
• Hands-on experience with automated testing frameworks.
• Experience with SQL and/or NoSQL databases.
• Familiarity with search technologies such as Elasticsearch or OpenSearch.
• Professional-level English communication skills.
• Ability to collaborate across teams and support technical decision-making.

Nice to have:

• Interest or experience in AI-related projects.
• Knowledge of vector databases.
• Experience building services in Python.

System Architecture:

• Design and develop scalable microservices using Node.js and TypeScript.
• Ensure high availability, reliability, and low latency across distributed systems.
• Contribute to architectural decisions and long-term platform scalability.

Backend Development & Event-Driven Systems:

• Build and optimize event-driven and asynchronous workflows.
• Work with messaging technologies such as Kafka or RabbitMQ.
• Design solutions capable of handling large-scale real-time data processing.

API Design:

• Own the design and evolution of APIs.
• Create high-performance, type-safe interfaces connecting multiple services and applications.
• Promote best practices around API versioning and contract-driven development.

Frontend Development:

• Develop modern web applications using React and Next.js.
• Focus on performance, maintainability, and excellent user experience.
• Implement efficient state management solutions and responsive interfaces.

Quality & Reliability:

• Design and maintain comprehensive testing strategies, including Unit, Integration, and End-to-End testing.
• Work with tools such as Jest, Vitest, and Playwright.
• Contribute to a culture focused on code quality and system reliability.