Senior Python Software Engineer

We are QUALCO, the technology arm of Qualco Group, with over 25 years of experience in delivering innovative solutions to the financial sector. We serve clients in over 30 countries, helping banks and other financial institutions manage credit and loans effectively while ensuring full regulatory compliance. Our advanced software leverages analytics, artificial intelligence, and digital technologies to support every stage of the credit and lending lifecycle, remaining at the forefront of fintech innovation.

We are looking for a highly skilled Senior Python Software Engineer with experience in AI/ML development and multitenant architectures to help build and evolve our next-generation platform.

Responsibilities:

• Design, develop, and maintain complex multitenant AI/ML applications using Python, implementing tenant isolation via schema-per-tenant, RLS, or dedicated stores;
• Collaborate closely with data scientists, ML engineers, and cross-functional teams to integrate machine learning models into production systems;
• Lead efforts to design robust monitoring, logging, and observability solutions for AI/ML systems to ensure reliability and quick incident response;
• Participate in architectural discussions to evolve the AI/ML platform, improve multitenancy patterns, and incorporate emerging technologies (i.e. GenAI) for enhanced product capabilities;
• Develop and maintain RESTful APIs and backend services supporting AI workflows and product features;
• Ensure code quality through comprehensive unit, regression, e2e and mutation testing, code reviews, and adherence to best practices. Mentor junior developers on Python development and AI/ML implementation;
• Monitor and improve application performance, scalability, and security in AI/ML solutions;
• Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy.

• 5+ years of strong Python programming experience, especially applied to AI/ML software development;
• Proficient with Python AI/ML frameworks such as Keras, HuggingFace Transformers, LangGraph or similar, and libraries like NumPy, pandas, Pydantic and Scikit-learn;
• Experience in building scalable multitenant AI/ML products incorporating cutting edge technology into production environments;
• Proven experience with multitenancy patterns, tenant-aware middleware, routing: Kubernetes, CI/CD, cloud (Azure/AWS), and data isolation;
• Strong skills in secure API design, async/event-driven systems, like FastAPI;
• Familiarity with containerization, CI/CD pipelines, and cloud platforms (AWS, Azure) is a plus;
• Basic understanding of algorithms, machine learning concepts, and model optimization techniques;
• Proven ability to write clean, maintainable, and well-tested code;
• Strong analytical and problem-solving skills, with the ability to work independently and in a team;
• Bachelor's or Master's degree in Computer Science, Engineering, or related fields;
• Excellent communication skills in English, both verbal and written;
• Experience in the Fintech or Banking industry is advantageous;
• Willingness to mentor junior developers and contribute to team growth.

Your Life @ Qualco

As a #Qmember, you will live out every day in a truly human-centred culture, based on mutual respect, trust, and cooperation. Your performance and commitment to our shared goals will be recognised, and there will be great opportunities to ensure your career growth.

Find out more about #LifeatQualco

Your benefits

Join the #Qteam and enjoy:

Competitive compensation, ticket restaurant card, and annual bonus programs

Cutting-edge IT equipment, mobile, and data plan

Modern facilities, free coffee and beverages, and indoor parking

Private health insurance, onsite occupational doctor, and workplace counselor

Flexible working model, hybrid/remote benefits & home equipment benefits

Onsite gym, wellness facilities, and ping pong room

Career and talent development tools

Mentoring, coaching, personalized annual learning and development plan

Employee referral bonus, regular wellbeing, ESG, and volunteering activities

At QUALCO, we value diversity and inclusivity. Your race, gender identity and expression, age ethnicity or disability make no difference in Qualco. We want to attract, develop, promote, and retain the best people based only on their ability and behavior.

Application Note: All CVs and application materials should be submitted in English to be considered for this position.

Disclaimer: Qualco collects and processes personal data in accordance with the EU General Data Protection Regulation (GDPR). We are bound to use the information provided within your job application for recruitment purposes only and not to share these with any third parties. For more details on the processing of your personal data during the Recruitment procedure, please be informed in the Recruitment Notice, before the submission of your application.