Java Developer

Java Engineer

Join us, and transform complex data into seamless cloud services!

Kraków - based opportunity with hybrid work model (2 days/week in the office).

As a Java Engineer, you will be working for our client, a global financial institution driving innovation in digital platforms and cloud-native applications. You will join a cross-functional team responsible for designing, developing, and maintaining scalable APIs and backend services to support critical business operations. This role involves collaborating with product managers, developers, and QA engineers to deliver high-quality solutions, ensuring performance, security, and reliability. You will also play a key role in optimizing cloud integrations, managing databases, and applying best practices across the full software development lifecycle.

Your main responsibilities:

• Designing and developing RESTful APIs using Spring Boot and Core Java

• Deploying and managing API services on AWS, including Lambda and API Gateway

• Working with MongoDB to design and optimize data models

• Collaborating with product managers, developers, and QA engineers on requirements

• Conducting code reviews and promoting coding standards and best practices

• Monitoring API performance and implementing optimizations to reduce latency

• Developing and executing unit and integration tests for reliability

• Troubleshooting issues in functionality, performance, and security of APIs

• Documenting API usage guidelines, specifications, and processes for stakeholders

• Researching and applying new trends in API development, cloud, and databases

  
  

You’re ideal for this role if you have:

• Solid hands-on experience with Spring Boot, RESTful APIs, SOAP, and Core Java

• Strong knowledge of MongoDB, database design, and optimization

• Proven experience working with AWS cloud services for deployment and integration

• Practical experience with Jenkins and CI/CD delivery pipelines

• Strong understanding of Agile and DevOps practices across the SDLC

• Proven ability to perform end-to-end impact analysis and create design documents

• Experience in production support processes and troubleshooting technical issues

• Good analytical and problem-solving skills in complex environments

• Strong communication and collaboration skills across cross-functional teams

• Proactive mindset with a can-do attitude and attention to detail

  
  

It is a strong plus if you have:

• Experience with RAML or API specification frameworks

• Familiarity with Cloud Hub or other integration platforms

• Knowledge of Oracle or additional cloud database services

• Background in performance tuning and security hardening of APIs

We offer you:

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes:

• Stable and long-term cooperation with very good conditions 

• Enhance your skills and develop your expertise in the financial industry

• Work on the most strategic projects available in the market

• Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years

• Participate in Social Events, training, and work in an international environment

• Access to attractive Medical Package

• Access to Multisport Program

• Access to Pluralsight

• Flexible hours & remote work

Internal job number #7677