Senior Java Developer

Java

city, Kraków

DCV Technologies

1 100 - 1 200PLN

Net per day - B2B

Full-time

B2B

Senior

Hybrid

Tech stack

Java 8/11/17

advanced

REST APIs

advanced

NoSQL Databases

regular

Spring Boot

regular

Azure Cloud Services

regular

Job description

🧠 About the Role

We are seeking a Senior Backend Engineer to join a high-performing technology team supporting enterprise-scale systems in the financial services industry. This role offers a dynamic and collaborative environment focused on modern cloud-based backend architecture, with opportunities for long-term engagement and impactful work.

This position is based in Kraków, Poland and follows a hybrid work model (3 days onsite per week).

✅ Key Responsibilities

• Develop and maintain robust backend services using Java 8/11/17

• Design and implement REST APIs and GraphQL schemas

• Model and manage NoSQL databases (preferably Azure Cosmos NoSQL)

• Build data streaming pipelines using Confluent Kafka

• Use Spring Boot, Spring Batch, and Spring Cloud frameworks to build scalable applications

• Implement secure authentication and authorization systems (e.g., OAuth 2.0, Microsoft Entra ID)

• Leverage Azure Cloud Services (App Services, API Management, Azure Monitor, etc.)

• Collaborate with cross-functional teams to deliver high-quality, maintainable solutions

• Optional: Apply AI/ML knowledge to enhance backend functionality

🎯 Requirements

• 7+ years of experience in backend development

• Strong expertise in Java, API design, and cloud-native services

• Familiarity with Azure ecosystem and DevSecOps principles

• Proficient in modern development tools and practices

• Excellent communication and problem-solving skills

• Must have a valid passport (for occasional travel or onboarding compliance)

🌟 Nice to Have

• Exposure to AI technologies

• Experience working in the banking or financial services sector

• Background in CI/CD pipelines and automated testing frameworks

This is a compelling opportunity for seasoned backend engineers eager to work in a high-availability, cloud-first environment with modern technologies and business-critical impact.

Published: 15.08.2025

Office location