Senior Backend Developer – Java and Node.js Platforms w Kraków, Polska
ITDS Polska Sp. z o.o.
KontraktUmowa czasowa lub freelancing
17 000 – 20 000 zł
Kraków, Polska
Your responsibilities
Design, develop, and maintain reliable internal tooling supporting Future State Architecture (FSA) with a focus on security, resilience, and usability.
Build backend services and APIs using https://jobeax.com/link/JSd7UYCSg572jJDY and/or Java, integrating with PostgreSQL and other enterprise data sources.
Develop web UI components utilizing modern JavaScript/TypeScript frameworks to deliver intuitive user workflows.
Apply agentic engineering practices to orchestrate autonomous AI agents for building, testing, and deploying software.
Implement secure, efficient integration patterns (e.g., MCP, API design, tool/function calling) across the architecture ecosystem.
Collaborate with architects, platform engineers, and stakeholders to translate architectural needs into effective technical solutions.
Ensure solutions adhere to HSBC engineering standards, including testing, performance, security, and operational readiness.
Support continuous improvement initiatives through automation, code reviews, and operational support for live systems.
Our requirements
At least 5 years of experience in software engineering, with strong expertise in https://jobeax.com/link/JSd7UYCSg572jJDY and/or Java.
Proficiency with relational databases, particularly PostgreSQL (data modeling, query optimization).
Web UI development experience with modern JavaScript/TypeScript frameworks.
Knowledge of agentic application engineering, including orchestration of autonomous AI agents.
Experience with integration patterns such as MCP, API design, and tool/function calling.
A production engineering mindset, emphasizing security, resilience, performance, and observability.
Solution design skills for internal platforms and tooling.
Excellent English communication skills and proven experience in stakeholder collaboration within a global environment.
Optional
Certifications or experience in automation, DevOps, or related fields.
Additional familiarity with cloud services or enterprise architecture frameworks.
What we offer
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