Senior Java Engineer — Hybrid Banking Platform & Innovation

Solid; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Private healthcare

Multisport card

Referral program

Company events

Hybrid work arrangement

Flexible working hours

Personal growth opportunities

Job summary

Solid, partnering with one of the world’s largest banks, is building a next‑gen investment platform. You will design, develop, and maintain high‑quality Java applications for Android banking platforms and collaborate with cross‑functional teams to deliver new features.

Join a hybrid role in Kraków, contribute to CI/CD pipelines, mentor engineers, ensure code quality, and work with Spring, RESTful APIs, Kafka, and cloud services while staying ahead of industry trends.

Qualifications

• 5+ years of professional Java development experience.
• Strong OO programming and design patterns.
• Hands-on experience with Spring, Spring Boot, and RESTful APIs.
• Git version control proficiency.
• Knowledge of unittesting frameworks (JUnit, Mockito).
• Experience with CI/CD tools and processes.
• Understanding of messaging systems (Kafka, IBM MQ).
• Exposure to cloud platforms (AWS, GCP or Azure).
• Experience with ORM frameworks (Hibernate, MyBatis).
• Understanding of secure coding practices is a must.
• Experience in banking/fintech sector is an advantage.

Responsibilities

• Design, develop, and maintain Java applications for Android banking platforms.
• Collaborate with cross-functional teams to deliver new features and enhancements.
• Ensure code quality through code reviews, unit testing, and best practices.
• Optimize application performance and troubleshoot issues.
• Participate in architectural discussions and technical decision-making.
• Contribute to continuous integration and delivery pipelines.
• Mentor junior engineers and share knowledge within the team.
• Stay up-to-date with industry trends and emerging technologies.
• Write clear technical documentation.
• Support the deployment and monitoring of applications in production.

Skills

Java development

OO programming & design patterns

RESTful APIs

Git

JUnit

Mockito

CI/CD

Kafka/IBMMQ messaging

Cloud platforms

Hibernate/MyBatis

Secure coding practices

Banking/fintech experience

Tools

Spring

Spring Boot

JUnit

Mockito

Git

CI/CD tools

Kafka

IBM MQ

AWS

GCP

Azure

Hibernate

MyBatis

Job description

Solid, partnering with one of the world’s largest banks, is building a next‑gen investment platform. You will design, develop, and maintain high‑quality Java applications for Android banking platforms and collaborate with cross‑functional teams to deliver new features.

Join a hybrid role in Kraków, contribute to CI/CD pipelines, mentor engineers, ensure code quality, and work with Spring, RESTful APIs, Kafka, and cloud services while staying ahead of industry trends.