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At Mellifera we develop innovative IT solutions for Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanking platforms in the European Union and the United Kingdom. Our team combines deep industry knowledge with cutting-edge technologies to ensure seamless operation of payment systems and compliance with regulatory standards. Our flagship products include multifunctional payment gateways and AI-driven compliance platforms, supporting global expansion and digital transformation in financial services.

Your impact:

You will be involved in creating a secure and efficient digital system that facilitates online transactions by connecting e-commerce websites or mobile applications with financial institutions, allowing for the seamless transfer of funds between customers and merchants. You will be integrating various payment methods, such as credit cards, digital wallets, and alternative payment options, to offer customers a convenient and flexible payment experience, ultimately enabling businesses to securely accept payments online and manage their financial transactions effectively.


  • Minimum 5 years of professional experience in Python development.
  • Proven experience in developing and maintaining backend services.
  • Technical Skills:
  • Proficient in Python, with a good understanding of its ecosystems.
  • Strong understanding of web frameworks such as Django or Flask.
  • Experience with RESTful API design and implementation.
  • Familiarity with event-driven programming in Python.
  • Knowledge of user authentication and authorization between multiple systems, servers, and environments.
  • Understanding of fundamental design principles behind a scalable application.
  • Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
  • Experience with containerization technologies like Docker.
  • Proficient understanding of code versioning tools such as Git.
  • Solid understanding of SQL and experience with relational databases.
  • Experience with NoSQL databases is a plus.
  • Understanding of security compliance (e.g., PCI-DSS, GDPR).
  • Knowledge of security best practices in software development.
  • Strong problem-solving skills and the ability to think critically.
  • Excellent communication and teamwork skills.
  • Ability to work independently and manage time effectively.
  • Detail-oriented and committed to writing high-quality, scalable code.
  • Experience with Agile/Scrum methodologies.
  • Familiarity with continuous integration/continuous deployment (CI/CD) pipelines.
  • Knowledge of data warehousing and data lake architectures is a plus.

Preferred Qualifications:

    • Experience in the financial technology (fintech) sector.
    • Familiarity with fraud detection systems and risk management solutions.
    • Prior experience in building and maintaining large-scale, distributed systems.


  • Develop and maintain backend services for the RiskShield Suite.
  • Collaborate with the SQL Developer and Data Analyst to integrate various modules.
  • Implement and maintain APIs for seamless integration between frontend and backend systems.
  • Ensure the performance, quality, and responsiveness of applications.
  • Write reusable, testable, and efficient code.
  • Design and implement low-latency, high-availability, and performant applications.
  • Implement security and data protection solutions.
  • Debug and troubleshoot issues, and provide timely fixes.
  • Participate in code reviews and contribute to a high-quality codebase.
  • Work within an agile development environment, participating in sprint planning and


  • A friendly and supportive environment to work in
  • Competitive salary
  • Career and personal development opportunities sponsored by employer
  • Company sponsored professional trainings, certifications and conferences
  • Regular company and team building events

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