Senior Software Engineer
Description 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. What you get to do: 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. Requirements 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. What you can look forward to: 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.