Senior Java Developer

About the Position

We are seeking a Senior Java Developer with 7+ years of experience to join our team in Krakow, Poland, focusing on enterprise-scale backend services for investment banking.

Responsibilities

• Design, develop, and maintain enterprise-grade backend services using Java 11+ and Spring Boot
• Contribute to the design and evolution of distributed microservices architectures
• Implement and integrate REST and SOAP APIs and event-driven solutions using Kafka
• Develop and maintain business process workflows using a BPM engine (preferably Flowable)
• Ensure high standards of code quality by applying SOLID principles, Clean Code, and design patterns
• Write and maintain comprehensive unit and integration tests using JUnit, TestNG, Mockito, and WireMock
• Work with relational and document databases such as PostgreSQL, MongoDB, and Azure Cosmos DB
• Implement security and authentication mechanisms using OAuth2, JWT, and Spring Security
• Collaborate with DevOps teams on containerization and deployment using Docker and Kubernetes
• Participate actively in agile ceremonies (refinement, planning, reviews, retrospectives)
• Provide technical guidance, perform code reviews, and advocate for engineering best practices
• Collaborate closely with cross-functional teams, including QA, DevOps, and product owners

Requirements

• Must have

  • Solid experience in JVM programming languages (ideally Java 11+) and design patterns
  • Frameworks: Spring Boot
  • Proven track record of enterprise-level application development for 7+ years
  • Understanding of distributed microservices architectures and communication patterns
  • Experience with relational and document databases (PostgreSQL, MongoDB, Azure Cosmos)
  • Testing Frameworks (JUnit, TestNG, Mockito, WireMock)
  • Messaging & Integration (Kafka, REST, SOAP)
  • Security & Authentication (OAuth2, JWT, Spring Security)
  • Containerization & Orchestration (Docker, Kubernetes)
  • Advocating engineering best practices (SOLID, Clean Code)
  • Experience with Agile mode of working
  • Excellent communication and collaboration skills
  • Familiarity with Cloud-based technologies

• Nice to have

  • Experience in or willing to learn Java reactive programming/ Spring Webflux
  • Spring Boot Microservices
  • Experience with NoSQL databases (ideally MongoDB or CosmosDB)
  • Familiarity with BPMN (e.g., Flowable)

We Offer

• Relocation options
• Experience in an international environment
• Cross-cultural experience
• Feedback culture
• Regular appraisals
• Annual holiday - 20 or 26 days (depending on seniority)
• Occasional leave - 1 or 2 days (depending on circumstances)
• Child care leave - 2 days or 16 hours per year
• Absence due to force majeure - 2 days or 16 hours per year
• Maternity Leave - 20 weeks
• Parental Leave - 41 weeks
• Paternity Leave - 14 days
• Expert-led tech courses covering basic to advanced topics
• Internal instructor-led soft skills courses
• Comprehensive in-house self-learning resources for both soft and hard skills
• Access to external self-learning libraries like ProQuest eBook and Udemy for Business
• Cloud Programs: MS Cloud Academy, AWS Partner Academy, Google Cloud Academy
• Custom Learning Programs: upskilling, reskilling, technical mentorship
• Leadership Programs for Managers
• Multisport card
• Possibility to order Multisport card at the corporate rate for family members
• LuxGood Program: wellbeing seminars, contests, relaxation sessions, yoga sessions, etc.
• One Team Program: Buddy for each New Joiner; seminars, meeting and workplace space to support integration with local community and culture; “Hire me” workshops for partners
• Preferential banking offer
• Preferential car leasing offer
• Cafeteria program discounts for shops, cinema tickets, holiday offers
• Luxoft Social Benefit Fund: sport and recreation benefits, the possibility to receive financial support
• Private Healthcare Insurance with unlimited access to specialists
• Full dental support
• Travel Insurance
• Possibility to add private healthcare coverage for family members at the corporate rate
• Life insurance at the corporate rate for employees and family members, including payment of the basic package for the employee by the employer
• Reimbursement for corrective glasses
• Many fun social activities organized by the Luxoft team offline in your city
• Online entertainment events for the whole company and local team events
• A workplace where you’re treated with respect within a multicultural team
• Rotation between projects and accounts
• New career opportunities

About the Company

At Luxoft, we are committed to providing innovative solutions in the investment banking domain. Our team works in a cloud-enabled, containerized environment, emphasizing security, scalability, resiliency, and maintainability. We foster a culture of continuous learning and professional development, offering various resources and programs to support our employees' growth.

Languages

• English: B2 Upper Intermediate

Seniority

• Senior

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