Senior Software Engineer

At Paymentology, we're redefining what's possible in the payments space. As the first truly global issuer-processor, we give banks and fintechs the technology and talent to launch and manage Mastercard, Visa cards at scale — across more than 60 countries.

Our advanced, multi-cloud platform delivers real-time data, unmatched scalability, and the flexibility of shared or dedicated processing instances. It's this global reach and innovation that sets us apart.

We're looking for a Senior Software Engineer to architect, design, and implement high-quality software solutions that power our global payments infrastructure. This role requires technical leadership, deep problem-solving capability, and a strong focus on scalable, maintainable systems. You'll work closely with cross-functional teams to define requirements, design software architectures, and guide junior engineers — helping shape the future of Paymentology's technology.

• Provide technical leadership and guidance to development teams, including architectural discussions, code reviews, and mentoring junior members.
• Collaborate with product management and tech leads to analyse and clarify software requirements, ensuring alignment with project goals.
• Design, develop, and implement high-quality software solutions, writing efficient code and applying best engineering practices.
• Troubleshoot and resolve complex issues, ensuring scalability, performance, and maintainability across systems.
• Ensure software quality through unit testing, code review, and continuous integration processes.
• Participate in estimation and project planning, providing accurate forecasts and technical insights.
• Contribute to process improvement initiatives, enhancing coding standards, peer review practices, and documentation quality.
• Stay updated with emerging technologies and incorporate relevant innovations into development practices.
• Create and maintain clear technical documentation, including design documents, specifications, and API references.
• Collaborate across teams to deliver reliable software that meets business and customer needs.

What it takes to succeed:

• Proficiency in one or more programming languages such as Java.
• Strong understanding of software architecture principles and design patterns.
• Knowledge of database systems and proficiency in SQL.
• Proficiency in software engineering fundamentals including data structures, algorithms, object-oriented design, and SOLID principles.
• Familiarity with version control systems (e.g., Git), IDEs, and issue tracking tools like JIRA.
• Experience with unit testing and/or Test-Driven Development (TDD).
• Strong problem-solving abilities and analytical thinking.
• Excellent teamwork and communication skills, particularly in remote-first environments.
• Continuous learning mindset with a passion for innovation and technical excellence.
• Excellent written and verbal communication skills in English.

Education and Experience:

• Bachelor's degree in Computer Science, Engineering, or a related field preferred, though equivalent work experience may be considered.
• 3+ years of experience in software development roles, showing progressive growth in technical scope and leadership.
• Experience contributing to complex software projects from design to delivery.
• Hands-on experience in Agile development, code reviews, and CI/CD pipelines.
• Experience with frameworks and tools such as Spring Boot.
• Familiarity with cloud environments preferably AWS.
• Experience of troubleshooting and debugging complex production systems.

At Paymentology, it's not just about building great payment technology — it's about building a company where people feel they belong and their work matters. You'll be part of a diverse, global team that's genuinely committed to making a positive impact through what we do. Whether you're working across time zones or contributing to initiatives that support local communities, you'll find real purpose in your work — and the freedom to grow in a supportive, forward-thinking environment.