Senior Java Backend Engineer | Scale & Impact

NTIATIVE IT Recruitment; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid work model – 3 days per week on

Site in Warsaw

Job summary

NTIATIVE IT Recruitment in Warsaw is seeking a Senior Java Software Developer to design, build, and maintain backend services for an enterprise-grade platform used by financial institutions.

You will work in a small, autonomous Agile team on distributed systems, large-scale data, and high-performance systems, taking ownership from development to production and focusing on reliability and scale.

Qualifications

• Strong Java backend experience with a focus on scalable services.
• Experience delivering production-grade software in complex environments.
• Knowledge of distributed systems and large data workloads.
• Comfort with cloud-based architectures and deployment strategies.
• Structured, analytical problem-solving mindset in Agile settings.
• Experience working in Agile environments and owning features end-to-end.

Responsibilities

• Design, develop, and maintain backend services using Java.
• Build scalable and reliable solutions for an enterprise-grade platform.
• Improve system performance, reliability, and scalability.
• Work with large data across distributed systems.
• Investigate production issues and implement durable fixes.
• Contribute to backend architecture and best practices.

Skills

Java backend

Distributed systems

Cloud platforms

Agile practices

Production-grade software

Data-intensive

Tools

Spring Boot

Kafka

Docker

Kubernetes

SQL databases

Grafana

Job description

NTIATIVE IT Recruitment in Warsaw is seeking a Senior Java Software Developer to design, build, and maintain backend services for an enterprise-grade platform used by financial institutions.

You will work in a small, autonomous Agile team on distributed systems, large-scale data, and high-performance systems, taking ownership from development to production and focusing on reliability and scale.