Java & Python Developer

Ignite innovation at the forefront of financial technology — build scalable solutions that transform markets!

Kraków-based opportunity with hybrid work model (up to 3 remote days per week).

As a Senior Full Stack Developer, you will be working for our client, a leader in AI-driven financial market solutions. You will help develop cutting-edge platforms within the AI Markets team, leveraging natural language processing to revolutionize how institutional investors interact with global markets. Join us to shape the future of digital banking and financial services through innovative technology.

Your main responsibilities:

• Collaborate within a multidisciplinary team of 4–6 members, supporting a dedicated product owner, to design, develop, and deploy full-stack applications.

• Translate complex business requirements into scalable stories, delivering iterative solutions to production.

• Contribute to all phases of the development lifecycle including analysis, testing, and production support—embracing a “build and support” mentality.

• Identify and address technical debt, balancing new feature development with code health.

• Design solutions aligned with architectural guidelines and technological standards.

• Pair with team members to ensure high-quality, maintainable code and promotes knowledge sharing.

• Support continuous integration and deployment workflows, maintaining high availability and reliability of production systems.

You're ideal for this role if you have:

• Minimum 5 years of software development experience.

• Deep understanding of core software design concepts (SOLID, Clean Code, DDD, BDD).

• Demonstrable expertise in Java, Python, and extensive experience with Spring Framework.

• Proficiency with SQL/NoSQL databases such as PostgreSQL and MongoDB.

• Good command of English (fluent level) in both written and oral communication.

• Experience with cloud technologies and microservices architecture.

• Ability to work effectively in a hybrid environment, balancing onsite and remote collaboration.

It is a strong plus if you have: (optional)

• Experience with event streaming technologies.

• Knowledge of machine learning, NLP, AI, or Data Science.

• Familiarity with Prompt Engineering, LangChain, LangGraph, or Clean Architecture.

Language required for the role:

• Fluent English.

Eligibility to work on this role:

• Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

We offer you:

ITDS Business Consultants is involved in 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

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

• Access to an attractive Medical Package

• Access to Multisport Program

#GETREADY

Internal job ID #8408

You can report violations in accordance with ITDS’s Whistleblower Procedure available here.