Middle Software Engineer (Java) (AI)

TL;DR

Middle Software Engineer (Java) (AI): Designing, developing, and maintaining backend services using Java and the Spring ecosystem to build reliable, scalable, and high-performance APIs and microservices with an accent on architecture for systems leveraging AI agents and integrating intelligent workflows. Focus on optimizing applications for performance, scalability, and resilience in an agile, cross-functional environment.

Location: Remote Poland

Company

hirify.global is a global leader in liquidity performance that empowers CFOs, Treasurers and IT leaders to connect, protect, forecast and optimize their liquidity.

What you will do

• Design, develop, and maintain backend services using Java and the Spring ecosystem (Spring Boot, Spring Cloud, Spring Data, Spring AI, etc.).
• Build reliable, scalable, and high-performance APIs and microservices.
• Work closely with cross-functional teams to design architecture for systems leveraging AI agents and integrating intelligent workflows.
• Participate in development-related ceremonies, promote engineering best practices, and ensure high-quality deliverables.
• Optimize applications for performance, scalability, and resilience.
• Continuously improve your skills and knowledge of development tools, techniques, and methodologies.

Requirements

• 3+ years of experience as a Software Engineer focused on backend development.
• Strong proficiency in Java (17+).
• Solid knowledge of Spring Boot, Spring Data, and Spring Cloud.
• Experience with containerized applications and Kubernetes-native architectures.
• Practical experience delivering production-grade backend systems.
• Intermediate (at least) English level with good verbal and written communication skills.

Nice to have

• Knowledge of Spring AI, LLM integration, embeddings, or general GenAI concepts.
• Strong interest or experience in AI agent systems (multi-agent architectures, orchestrators, reasoning frameworks).
• Familiarity with Kafka or other messaging systems.

Culture & Benefits

• It's fun to work in a company where people truly believe in what they're doing!
• Committed to bringing passion and customer focus to the business.
• Take feedback positively and actively work on personal and professional growth.
• Collaborative team player comfortable working in an agile, cross-functional environment.
• Attention to detail and commitment to delivering high-quality, well-documented work.