Senior Java Engineer — Scalable Fintech Payments

SD Solutions; Warszawa; In loco; PLN 180.000 - 240.000; Tempo pieno

Descrizione del lavoro

SD Solutions is recruiting for a Senior Java Developer to join a fintech client project in Warsaw. You will work on an online card payment system handling millions of transactions daily, with a focus on scalable, reliable Java-based services.

Ideal candidates have 5+ years of hands-on Java development, strong knowledge of Java ecosystem (Spring, Hibernate, SQL) and experience with AWS, automation tests, and CD.

Competenze

• At least 5 years of hands-on Java development experience.
• High level of expertise in Java and solid knowledge of the listed technologies/tools.
• Academic degree in IT/programming field.
• Proven track record of delivering high-quality code with scalability and reliability.
• Fluency in English.

Mansioni

• Work as a Senior Java Engineer for an online card payment system handling millions of transactions daily for 1000+ merchants in 160 currencies, with 99,995% uptime.
• Build new features and automated tests with the highest attention to code quality and CD rules.
• Find and improve solutions for technical and business issues.
• Collaborate with highly skilled specialists using efficient technologies and tools.
• Contribute to a culture of openness and collaboration.

Conoscenze

Analytical skills

Problem-solving

Autonomy in projects

Fluency in English

Formazione

Academic degree in IT/programming field

Strumenti

Java

Kotlin

Spring

Hibernate

SQL

Selenium

Gradle

AWS

Descrizione del lavoro

SD Solutions is recruiting for a Senior Java Developer to join a fintech client project in Warsaw. You will work on an online card payment system handling millions of transactions daily, with a focus on scalable, reliable Java-based services.

Ideal candidates have 5+ years of hands-on Java development, strong knowledge of Java ecosystem (Spring, Hibernate, SQL) and experience with AWS, automation tests, and CD.