Senior Java Back-End Developer – Financial Services Trading Platform

Senior • Hybrid

23,520 - 30,240 PLN

Krakow, Poland

Unleash Innovation in Global Finance — Drive Cutting-Edge Post-Trading Risk Solutions

Krakow-based opportunity with hybrid work model (up to 3 days remote/week)

Description

As a Senior Java Back-End Developer, you will be working on the development of a critical FX Calculations platform within the financial services industry. This role involves building and maintaining high-availability systems that support traders' daily activities and ensure regulatory compliance, contributing to digital finance and risk management innovation.

Responsibilities

Develop, improve, and maintain the bank’s proprietary solution for post-trading risk and PnL calculations, ensuring system robustness and accuracy.
Collaborate with cross-functional teams to deliver end-to-end projects, including requirement analysis, coding, testing, and deployment.
Design detailed technical specifications covering data models, interfaces, and performance tuning.
Provide production support, incident management, and system ownership, including troubleshooting and performance enhancements.
Participate in code reviews, solution design discussions, and team activities to promote best practices.
Contribute to problem-solving, performance tuning, and proof-of-concept initiatives.

Requirements

Over 5 years of experience in Java back-end development, with a solid understanding of HTTPS, RESTful APIs, microservices, and message queues (MQ).
Strong knowledge of high-availability service architecture and reliable system design.
Hands-on experience with SQL, particularly PostgreSQL, including database performance optimization.
Proven track record of delivering Java-based services/modules and owning or leading technical projects.
Excellent communication skills in English.
Analytical mindset and strong problem-solving skills.

Nice to Have

Experience in high-volume data processing and compute.
Knowledge of no-SQL databases or columnar storage solutions.
Experience building services on cloud platforms, especially GCP.
Front-end development skills or experience.
Background in production support and agile development environments.
Domain expertise in banking, trade lifecycle, and post-trade processing for FX or financial investment products.

Language

Fluent spoken and written English.

Eligibility

Existing legal right to work in the European Union.

ITDS

ITDS Business Consultants is a company that operates within the IT consulting industry, focusing on delivering innovative and professional IT projects for international companies, particularly in the financial sector across Europe. The company is committed to providing an environment that fosters professional growth, ambition, and drive. ITDS is involved in strategic projects that are crucial to the market, offering opportunities for skill enhancement and expertise development. The company values stable and long-term cooperation, providing a supportive environment for career development. ITDS also emphasizes a collaborative and international work environment, with access to various benefits such as medical packages, sports programs, and flexible working conditions. The company is dedicated to aligning its solutions with business needs and maintaining high standards in its development practices.

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