Senior Java Engineer
Kraków, Lesser Poland Voivodeship, Polska, Wrocław, Lower Silesian Voivodeship, PolskaKey offer highlights
Min. 5 years of experience
Data: SQL / BI / Python
Backend: Java / .NET / Node / Python
Full-time
Hybrid model - partly remote
Description
We are seeking a Senior Java Engineer with exceptional expertise in distributed systems, real-time data processing, and cloud-native architectures to deliver highly scalable enterprise platforms in a high-throughput, mission-critical environment. Responsibilities Design and develop scalable Java-based backend solutions using Spring Boot and microservices architectures Build and maintain real-time streaming and time-series data platforms with high performance and throughput Architect solutions leveraging Kafka, CosmosDB, PostgreSQL, and Redis for distributed data processing Implement security best practices using Azure AD and OAuth across enterprise applications Deploy and manage containerized applications using Docker and Kubernetes on Azure Translate business requirements into global technical solutions in collaboration with cross-functional technology teams Apply AI-assisted software development practices to accelerate delivery and improve code quality Contribute to solution architecture decisions, ensuring resilience, scalability, and maintainability Participate in the full software development lifecycle, adhering to modern SDLC practices Utilize build tools such as Maven and Gradle to manage project dependencies and builds Requirements 5+ years of experience in Java development with Spring Boot Expertise in ORM frameworks such as JPA and iBatis Proficiency in security frameworks including Azure AD and OAuth Knowledge of Kafka, CosmosDB, PostgreSQL, and Redis for data streaming and storage architectures Familiarity with REST, Azure, Docker, Kubernetes, Maven, and Gradle Understanding of microservices and data streaming architectures Background in Computer Science fundamentals and modern software development practices, including SDLC Strong communication skills, including the ability to translate business requirements into global solutions and collaborate with other technology teams Showcase of delivering high-performance, high-throughput, real-time streaming and time-series data platforms Nice to have Experience in the Client Lifecycle domain Familiarity with Flowable
Requirements
5+ years of experience in Java development with Spring Boot
Expertise in ORM frameworks such as JPA and iBatis
Proficiency in security frameworks including Azure AD and OAuth
Knowledge of Kafka, CosmosDB, PostgreSQL, and Redis for data streaming and storage architectures
Familiarity with REST, Azure, Docker, Kubernetes, Maven, and Gradle
Understanding of microservices and data streaming architectures
Background in Computer Science fundamentals and modern software development practices, including SDLC
Strong communication skills, including the ability to translate business requirements into global solutions and collaborate with other technology teams
Showcase of delivering high-performance, high-throughput, real-time streaming and time-series data platforms
Responsibilities
Design and develop scalable Java-based backend solutions using Spring Boot and microservices architectures
Build and maintain real-time streaming and time-series data platforms with high performance and throughput
Architect solutions leveraging Kafka, CosmosDB, PostgreSQL, and Redis for distributed data processing
Implement security best practices using Azure AD and OAuth across enterprise applications
Deploy and manage containerized applications using Docker and Kubernetes on Azure
Translate business requirements into global technical solutions in collaboration with cross-functional technology teams
Apply AI-assisted software development practices to accelerate delivery and improve code quality
Contribute to solution architecture decisions, ensuring resilience, scalability, and maintainability
Participate in the full software development lifecycle, adhering to modern SDLC practices
Utilize build tools such as Maven and Gradle to manage project dependencies and builds
Seniority
Senior
Nice to have
Experience in the Client Lifecycle domain
Familiarity with Flowable
Keywords / Skills