Senior Fullstack Developer Java, API, Hibernate Warsaw, Gdańsk, Gdynia

Diverse CG Sp. z o.o. Sp.k.; Town of Poland (NY); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Private medical care

Co-financing for the sports card

Constant support of dedicated consultant

Job summary

Diverse CG Sp. z o.o. Sp.k. is seeking a Senior Fullstack Developer in the Town of Poland, NY. You will develop features for a digital banking platform and improve API solutions for key banking services, alongside modernizing the legacy Corporate Netbank platform.

The ideal candidate has at least 6 years of Java experience, 2 years with Angular, and strong collaboration skills. The role includes private medical care and sports card co-financing.

Qualifications

• At least 6 years of hands-on experience in Java development.
• Around 2 years of experience with Angular.
• Strong experience in building API solutions.
• Working knowledge of Spring and Hibernate.
• Experience with reactive programming.
• Experience with REST, microservices, SQL, and Git.
• Knowledge of Cucumber framework.
• Good understanding of SOLID principles and design patterns.
• High level of software development skills and engineering mindset.
• Experience working in an Agile environment, preferably SAFe.
• Strong collaboration skills and focus on quality and timely delivery.
• Fluency in English.

Responsibilities

• Develop and maintain new features for a modern corporate digital banking platform.
• Build and improve API solutions supporting key banking services.
• Contribute to the modernization of the legacy Corporate Netbank platform.
• Work with backend services based on microservice and monolithic architecture.
• Design and implement resilient, scalable, and maintainable software solutions.
• Follow Domain-Driven Design principles.
• Collaborate closely with developers, Product Owners, architects, analysts, and QA engineers.
• Support maintenance, compliance, and platform improvement activities.
• Participate in Agile ceremonies and contribute to team planning and delivery.
• Ensure high quality of delivered software through clean code and best engineering practices.

Skills

Java Development

Angular

API Solutions

Spring

Hibernate

Reactive Programming

REST

Microservices

SQL

Git

Cucumber Framework

SOLID Principles

Agile Environment

Fluency in English

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:

Senior Fullstack Developer

Responsibilities:

• Develop and maintain new features for a modern corporate digital banking platform
• Build and improve API solutions supporting key banking services such as accounts, payments, file transfer, and international/local services
• Contribute to the modernisation of the legacy Corporate Netbank platform
• Work with backend services based on microservice and monolithic architecture
• Design and implement resilient, scalable, and maintainable software solutions
• Follow Domain-Driven Design principles and port‑adapter architecture
• Collaborate closely with developers, Product Owners, architects, analysts, and QA engineers
• Support maintenance, compliance, and platform improvement activities
• Participate in Agile ceremonies and contribute to team planning and delivery
• Ensure high quality of delivered software through clean code, testing, and best engineering practices

Requirements:

• At least 6 years of hands‑on experience in Java development
• Around 2 years of experience with Angular
• Strong experience in building API solutions
• Working knowledge of Spring and Hibernate
• Experience with reactive programming
• Experience with REST, microservices, SQL, and Git
• Knowledge of Cucumber framework
• Good understanding of SOLID principles and design patterns
• High level of software development skills and engineering mindset
• Experience working in an Agile environment, preferably SAFe
• Strong collaboration skills and focus on quality and timely delivery
• Fluency in English

Nice to have:

• Working knowledge of unit testing in Jasmine
• Experience working in banking or financial services projects

Offer:

• Private medical care
• Co‑financing for the sports card
• Constant support of dedicated consultant

Personal Consulting Agency (License No. 4642)