About this opportunity
DCG Poland lists this Senior Java Developer – Credit Data Sourcing Java, microservices Łódź, Warszawa, Gdańsk opportunity in town of poland, New York. Review the employer’s description below for duties, qualifications and application requirements.
Job description
As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:
Responsibilities
Design, develop, and maintain Java-based backend services and microservices
Implement, optimize, and support data flows and integrations between systems
Work closely with Business Analysts on user stories, acceptance criteria, and solution design
Translate business requirements into robust, scalable, and maintainable technical solutions
Analyse system behaviour, logs, and incidents to identify root causes and support production stability
Participate in refinement sessions, technical design discussions, daily team work, and release coordination
Ensure high code quality through proper testing, performance awareness, and adherence to engineering best practices
Collaborate with Product Owners, analysts, developers, and business stakeholders in an Agile/Scrum environment
Requirements
Minimum 5 years of commercial experience as a Java Backend Developer, preferably in microservice-based environments
Strong experience with Java-based backend services and microservices
Solid understanding of data flows, data sourcing systems, and integration-heavy solutions
Ability to analyse end-to-end data flow across systems and assess the impact of changes on upstream and downstream processes
Experience working with complex, distributed systems
Ability to work closely with Business Analysts, challenge requirements, clarify assumptions, and contribute to solution design
Strong analytical and problem-solving skills
Ownership mindset and the ability to take responsibility for delivery
Good communication skills with both technical and business stakeholders
Very good command of English, allowing effective communication in an international environment
Nice to have
Experience with Angular or React
Knowledge of credit risk or banking systems
Experience with event-driven architectures
Performance tuning experience in data-heavy systems
Offer
Private medical care
Co‑financing for the sports card
Constant support of dedicated consultant
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Who can apply
Review the original listing for work authorization, qualifications and employer requirements.