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Senior Backend Developer (Core Leasing System)

Mise à jour le 20.10.2025

Senior Backend Developer (Core Leasing System)

Based in Warsaw, hybrid working (50/50) 

At least 5 years experience 

English mandatory 

About the Team 

Arval IT is an international IT organization, with a workforce of around 1 000 internal and external professionals located in several countries (France, UK, Netherlands and other). As part of our sourcing strategy, we are expanding our nearshoring capabilities by establishing a new IT Hub in Poland, within an existing business operations shared service center (Arval Competence Center Warsaw, ACCW). This IT hub plays a strategic role in the development of digital expertise, and internalization of key competencies currently handled by external partners.  

Arval Competence Center Warsaw is the latest initiative of the BNP Paribas Group, which aims to develop competences and business services. Currently, ACCW employs over 90 people who, every day, in various languages, help Arval Group entities to efficiently serve Clients and Partners. In ACCW, solutions are being created that aim to streamline the customer and supplier verification processes. The center specializes, among others, in credit analyses and KYC analyses, and also performs tasks in the field of HR data administration and internal control.  

As part of the strategic initiative of Arval IT teams’ deployment, the Dynamos Tribe is expanding its presence in Poland.  The Dynamos Core Leasing Platform (CLS) is the platform being used by Arval Business within 15 countries and 2 competence centers to operate the leasing and mobility solutions of Arval. We provide leasing and mobility solutions to corporations, medium and small companies and individuals. Our IT model is based on agile delivery, with squads working in collaboration with product owners, scrum masters, designers, engineers and technical leads around multiple geographies.

Duties - Responsibilities

The developer helps to build the information system and ensures its continuity of service.

He/she oversees or carries out the design and production of quality software solutions in accordance with the applicable best practices (maintainable, secure, documented, scalable, testable and in line with the business line’s needs), for the components and/or software segments assigned to him/her. Working in agile squads, he/she contributes to develop the Arval core applications. Delivering quality developments and collaborating with your peers and squad members are key to this role. 

Activities

THE COLLABORATOR WILL BE INVOLVED IN SOME OR ALL OF THE FOLLOWING ACTIVITIES 

  • Design and implement backend modules (services and APIs)
  • Develop software that meets development and security standards, while incorporating data and security objectives
  • Help to optimize existing code and improve its maintainability
  • Help to integrate software packages, leverage stakeholders such as frontend developers or others
  • Help to clarify and qualify needs and use clear communication with peers and squad members
  • Help to carry out studies before project launch
  • Upgrade and/or help to upgrade the documentation
  • Perform code reviews
  • Participate in internal and external developer networks to communicate and share best practices
  • Engage in continuous training and mandatory group trainings in new information technologies 
  • Actively take part in agile rituals and collaborate with your squad
  • Innovate and discover opportunities to increase customer satisfaction and alignment with business targets
  • Support design and research for technical and strategic decisions
  • Guide your peers in technical and development challenges, mentor juniors and offer continuous feedback

Expertise and skills

BEHAVIOURAL SKILLS

  • Ability to collaborate / Teamwork (+++)
  • Creativity & Innovation / Problem Solving (+++)
  • Adaptability (+++)
  • Ability to Deliver / Results Driven (+++)

TRANSVERSAL SKILLS 

  • Analytical Ability (+++)
  • Ability to develop and leverage networks (+++)
  • Ability to understand, explain and support change (+++)
  • Ability to develop others & improve their skill (+++)

COMMON BASE METHODOLOGIES 

  • Agile (+++)
  • Scrum (+++)
  • KANBAN 

+++ = Expert 

SPecific skills

  • Languages and frameworks: JAVA (Spring Boot) is required,   experience with Angular is an advantage.
  • Database knowledge (Oracle, SQL)
  • Experience with cloud services and deployment
  • Familiarity with Git workflows and best practices
  • Content Management: JIRA , Confluence, Sharepoint (no dev skills required). 
  • Minimum of 5 years of working experience, preferably in a similar work field or within a corporate environment
  • Bachelor or Master degree in IT or similar High level education with IT specialization

Poste-type and Location

Arval Department : ACCW IT 

BNP Paribas Job type : Developer

Location: based in the local country/regions (Poland)

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