Senior Software Developer – Global Financial Systems Project

About the role

Madiff, a technology consulting partner delivering digital and cloud solutions for global enterprises, is looking for a Senior Software Developer for a long-term project in the financial sector. The role builds and maintains large-scale applications supporting international payment and transaction systems for a key enterprise client. The developer works across the full software development lifecycle, from design and implementation to testing and maintenance, in an agile environment.

Key responsibilities

• Design, develop and maintain enterprise-grade software components in distributed environments
• Build integrations with APIs and external services, ensuring performance and data integrity
• Take part in architectural discussions and propose technical enhancements
• Ensure code quality through testing, documentation and secure development practices
• Collaborate with business analysts, architects and QA teams across multiple countries

Required profile

• Degree in Computer Science, Engineering or a related technical field
• Minimum 5 years of commercial software development experience
• Fluent English and strong communication skills for an international setting

Required skills

• Java, C#, Python or equivalent enterprise technologies
• Modern JavaScript frameworks such as React, Angular or Node.js
• Relational databases (PostgreSQL, Oracle, MySQL or MS SQL)
• Secure coding principles and large-scale integration architectures
• Nice to have: cloud infrastructure and CI/CD, Linux (Ubuntu, CentOS, AWS Linux), banking/payments projects, mentoring or technical leadership experience

What we offer

• Solid, competitive salary
• Healthcare coverage
• Long-term B2B contract with a stable project pipeline
• Work in a multilingual, multinational and multicultural environment on international projects