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REREWE International IT

Senior Backend Developer - Python & Java(m/w/x)

Wien
from 50,000 / year
Full-timeWith Home OfficeSenior
Apply now

Designing and implementing scalable microservices and APIs with Java (Spring Boot) and Python. Experience with RESTful APIs and distributed systems required. Flexible working hours, remote options.

Requirements

  • Solid technical education (HTL, FH, Uni)
  • Strong proficiency in modern Java (Spring Boot)
  • Building robust, maintainable microservices
  • Confident work with RESTful APIs (design, implementation, versioning)
  • Understanding of stable interface contracts in distributed systems
  • Strong experience with relational databases
  • Enjoyment of working in a data-driven way
  • Data modeling skills
  • Efficient SQL writing
  • Query optimization skills
  • Foundational understanding of event-driven architectures
  • Foundational understanding of platform tools (Kafka, Docker, Kubernetes, GitLab, Liquibase)
  • Strong motivation to deepen expertise
  • Practical Python skills for data processing and automation
  • Building data pipelines
  • Transforming datasets
  • Developing ETL or backend support scripts
  • Interest in GIS/geospatial workflows
  • Experience with GIS/geospatial workflows
  • Interest in spatial data processing
  • Experience with spatial data processing
  • Enjoyment of working in agile teams (Scrum or Kanban)
  • Open, constructive approach to learning from mistakes
  • Analytical skills
  • Self-driven
  • Strong ability to collaborate
  • Ability to deliver production-ready solutions
  • English: Minimum Level B2
  • Confident spoken and written English communication

Tasks

  • Design and implement high-quality services and APIs
  • Support full software development lifecycle
  • Build high-performing, scalable backend services
  • Ensure technical robustness and long-term maintainability
  • Align code architecture and API contracts across teams
  • Document solutions clearly and traceably
  • Evaluate technical decisions and provide feedback
  • Contribute to engineering and quality standards
  • Drive technical modernization of product and platform
  • Develop backend services using Java and Python
  • Process and enrich large datasets
  • Support CRM, customer analytics, and operational use cases
  • Design solutions for future analytics and AI use cases
  • Collaborate with IT and business stakeholders
  • Support requirements engineering

Work Experience

  • 3 years

Education

  • Vocational certificationOR
  • Bachelor's degree

Languages

  • English – Business Fluent

Tools & Technologies

  • Java
  • Spring Boot
  • Microservices
  • RESTful APIs
  • Relational databases
  • SQL
  • Kafka
  • Docker
  • Kubernetes
  • GitLab
  • Liquibase
  • Python
  • ETL
  • GIS
  • Scrum
  • Kanban

Benefits

Job Security

  • Long-term work

Informal Culture

  • Supportive team
  • Diverse and inclusive work environment

Family Support

  • Family-friendly culture

Flexible Working

  • Flexible working hours
  • Remote working options

Learning & Development

  • Training and development opportunities

Corporate Discounts

  • Staff shopping discounts
  • Staff travel discounts

Parking & Commuter Benefits

  • Easy public access
  • On-site parking
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of REWE International IT and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.

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