Software Engineer (.Net) Job at PayInvert

PayInvert was founded by innovators who want a better payment system that is fast, easy, convenient and with no hidden charges. The aim has always been to eradicate long queues and time taken to make payments physically. We are providing a secure way to receive payments electronically from anyone anywhere in the world with a robust reporting system to help companies plan their growth significantly.

We are recruiting to fill the position below:

Job Position: Software Engineer (.Net)
Job Location: Abuja (FCT)

Job Summary

• We are looking for an experienced and skilled .NET Backend Engineer to join our innovative team focused on building robust and secure payment gateway solutions.
• You will play a pivotal role in developing, maintaining, and optimizing backend systems that power secure transactions for millions of customers.
• As a critical member of our engineering team, your expertise will directly impact our ability to deliver seamless and reliable fintech products.

Key Responsibilities

• Develop, maintain, and enhance robust backend services using .NET and related technologies (.NET Core, ASP.NET, C#, SQL Server).
• Design, build, and optimize scalable APIs that power our payment gateway infrastructure.
• Implement industry-standard security practices, ensuring compliance with data protection regulations and PCI DSS standards.
• Collaborate closely with product managers, frontend engineers, and DevOps teams to develop and deliver high-quality fintech solutions.
• Conduct thorough testing, debugging, and troubleshooting of complex backend systems to ensure optimal performance and availability.
• Engage actively in code reviews, promoting best practices, coding standards, and continuous integration/continuous deployment (CI/CD).
• Develop technical documentation and support the onboarding of new engineering team members.
• Continuously monitor application performance, identify bottlenecks, and implement optimizations to ensure peak reliability and efficiency.

Required Qualifications

• 3-5 years of professional backend engineering experience, specifically in .NET development.
• Proven experience building APIs, backend services, and integration solutions in fintech, payment processing, or related domains.
• Strong proficiency with .NET Core, ASP.NET, C#, and relational databases (SQL Server or PostgreSQL).
• Practical experience integrating with payment gateways, bank APIs, third-party services, and understanding of financial systems.
• Familiarity with cloud infrastructure (AWS, Azure) and containerization technologies (Docker, Kubernetes).
• Solid understanding of security best practices, data encryption, tokenization, authentication, and authorization standards.
• Ability to manage tasks independently while effectively collaborating in an agile, team-oriented environment.

Preferred Qualifications:

• Familiarity with frontend frameworks such as React or Angular.
• Experience with microservices architecture, message queues (RabbitMQ, Kafka), and event-driven design.
• Working knowledge of DevOps practices, including CI/CD tools (Azure DevOps, Jenkins, GitLab).
• Previous experience working within compliance frameworks (PCI DSS, GDPR, ISO27001).

Skills and Competencies:

• Excellent problem-solving skills, analytical thinking, and attention to detail.
• Strong communication skills to effectively collaborate across teams and stakeholders.
• Demonstrated ability to deliver high-quality software solutions in fast-paced environments.
• Proactive learner, continuously seeking to improve technical knowledge and skills.