Senior Backend Engineer (Python & Systems Architecture

Your mission

- Design and implement scalable backend services and APIs in Python - Own API architecture, service boundaries, and integration patterns - Design efficient, maintainable and scalable database schemas - Contribute to overall system architecture and technical direction - Ensure security best practices across application and infrastructure layers - Work closely with frontend developers and contribute where needed - Improve CI/CD pipelines, deployment processes, and operational reliability - Participate in technical planning, and documentation - Participate in code reviews, testing - Troubleshoot complex production issues and performance bottlenecks

Your profile The ideal candidate is a highly experienced Backend Engineer who is able to design, build and scale production-grade systems. This role is heavily backend-focussed, but requires strong collaboration across architecture, infrastructure and frontend teams.

- Senior-level Python development experience - Strong API design experience (OpenAPI, REST) - Deep understanding of database design and data modelling (MySQL) - Strong system design and distributed systems knowledge - Familiarity with modern frontend frameworks and TypeScript (Angular experience strongly preferred) - Strong understanding of application and infrastructure security - DevOps experience, including CI/CD and deployment workflows - Experience with Agile/Scrum/Jira/Git - Team player with a positive mindset and ability to work independently and take ownership of projects - Good command of English - Must be eligible to work in the EU and a resident in Budapest, Hungary

Nice to Have:

- Experience with SQLAlchemy - Experience with AWS services and infrastructure - Infrastructure-as-code experience, especially CloudFormation

Why us?

- Opportunity to join a dynamic entrepreneurial team committed to a common mission and an open mind for new ideas and methodologies - Ability to work directly with the largest financial institutions on IT and data management projects as part of a supportive team - Training and education initiatives to enhance personal and professional development - Possibility to work from home - Competitive compensation and benefits package - Flexible working environment (1 mandatory office day) - Intensive onboarding training and mentoring - Team building and off-site events - Official weekend workdays are granted as extra holidays - Clear communication throughout the company - iQuant Solutions is an equal opportunities employer