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Senior Java Developer - Smart City
  • Łódź
Senior Java Developer - Smart City
Łódź, Łódź, Łódź Voivodeship, Polska
INCUBLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
16. 3. 2025
Informacje o stanowisku

technologies-expected :


  • Java
  • Spring Boot
  • SQL

technologies-optional :


  • AWS

about-project :


  • We are now working with a global leader within the parking industry to further revolutionize urban parking. With their award-winning app, they have been helping drivers save time and money since 2001, and through this partnership, were taking our efforts to the next level. Together, we are building smarter, more livable cities – using predictive technology and data to create a sustainable, efficient urban experience for all.
  • Our Architecture and Technology Stack
  • Java
  • Spring Boot
  • RESTful APIs
  • Kafka (asynchronous messaging)
  • PostgreSQL databases
  • React (Front-end, <10% of engineers work)

responsibilities :


  • Backend Development: Design, develop, and maintain scalable, secure backend systems for payment validation, money collection, and receipt generation.
  • Payment Integrations: Integrate with leading payment providers to enable global payment solutions and market expansion.
  • E-Invoicing & Documentation: Manage e-invoicing systems and invoicing documents while minimizing credit loss.
  • Security & Data Management: Ensure the highest security standards for payment data and transactions.
  • Frontend Development: Contribute to frontend tasks as needed for a seamless user experience.
  • Data Analysis: Analyze production data to optimize system performance and reduce customer friction.
  • Collaboration: Work with engineering teams and stakeholders to deliver a world-class payment platform.
  • Continuous Improvement: Stay updated on industry trends to enhance payment solutions.

requirements-expected :


  • Location: Poland (access to production databases with customer data)
  • 5+ years of experience in back-end development and a strong competence in back-end programming principles.
  • Previous experience with Java and Spring Boot.
  • General knowledge of back-end programming, including databases, SQL and asynchronous messaging.
  • Experience with DevOps (rapid delivery of changes while the service is serving users in production; troubleshooting incidents and outages; end-to-end ownership of the solution without dedicated QAs and/or system administrators).
  • Experience with testing: Unit testing, integration testing.
  • Understanding of system design and architecture: design patterns, microservices.
  • Architectural Expertise: Designs and implements scalable, reliable, and maintainable systems with a strong focus on long-term impact and quality.
  • Has knowledge and practical experience with secure coding practices and knows how to ensure protection against common vulnerabilities.
  • Good team player and a can-do attitude.
  • Good communication skills in English.
  • Preferred availability for meetings at 9AM and during 1PM-4PM CET/CEST.
  • Problem-solving skills: Ability to identify problems, analyze options and implement solutions.
  • Strong communication skills: ability to effectively communicate/collaborate with the team and its stakeholders. Ability to explain complex technical concepts to non-technical stakeholders, ensuring alignment and clarity.
  • Teamwork: ability to work well in the team setting and contribute to a positive team culture.
  • Adaptability and learning: Willingness to learn new technologies and adapt to changing requirements.
  • Overall proactive attitude: take ownership, bring out challenges. Being “response-able”, thriving towards team’s goals and making things happen.

offered :


  • Knowledge sharing within our company.
  • Agile and friendly atmosphere, non-violent communication and full respect for diversity.
  • Possibility to choose from onsite (in Lodz, Poland) or hybrid work (meetings from time to time in our office in Łódź city centre).
  • Monthly remuneration: 19.000- 22.000 PLN gross on Employment Agreement.

benefits :


  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • integration events

  • Praca Łódź
  • Łódź - Oferty pracy w okolicznych lokalizacjach


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