Senior Data Consultant (Java)

Type of contract: B2B contract

Salary range: 125 - 160 PLN/H

What will you do?

Join a team building a strategic cloud-based risk data platform that delivers large-scale market data processing and analytics capabilities. You will work on modern data processing pipelines, microservices, and integration solutions, helping to design scalable and high-performance systems that handle both real-time and batch workloads. The role combines software engineering, data engineering, and cloud technologies in a collaborative and innovation-driven environment.

Your tasks

• Translate business requirements into secure, scalable, and high-performance solutions
• Design and develop data processing pipelines for large-scale data workloads
• Build and maintain Java and Spring Boot based microservices
• Design and implement REST APIs
• Integrate internal systems with a focus on performance and cost optimization
• Develop solution blueprints for market data ingestion patterns
• Review solutions created by other team members
• Assess and improve existing data pipelines and microservices
• Collaborate with engineers, business analysts, and stakeholders Implement industry-standard logging, monitoring, and error-handling practices
• Support automated recovery mechanisms and operational excellence
• Promote automated unit and regression testing practices

Requirements

• Strong knowledge of Java Experience with Spring Boot and its ecosystem
• Knowledge of software design principles including KISS, SOLID and DRY
• Experience designing and implementing data processing pipelines
• Experience designing and implementing REST APIs
• Knowledge of relational databases
• Knowledge of NoSQL databases
• Experience with PostgreSQL or similar databases
• Understanding of DevOps and CI/CD practices
• Experience with Jenkins Basic knowledge of Groovy scripting
• Knowledge of integration frameworks and patterns
• Openness to work hybrid from our client's office (Kraków) 8 days a month

Nice to have

• Experience with Google Cloud Platform (GKE, Cloud SQL, Dataflow, Bigtable)
• Experience with containerization, orchestration and Infrastructure as Code technologies (Docker, Kubernetes, Terraform)
• Experience with monitoring, observability and messaging solutions (Prometheus, Grafana, OpenTelemetry, Kafka)
• Knowledge of Apache Beam or Vaadin