Senior Software Developer (Backend / API / AI & Automation)

About the role

We are looking for an experienced Senior Software Developer to join our development team. The successful candidate will be responsible for designing, developing, maintaining, and improving our web applications, backend systems, APIs, and system integrations. This role is suitable for someone with strong backend development experience who is comfortable working with high-volume transaction systems, API integrations, automation, and production environments.

Key responsibilities

• Key Responsibilities

  • Design, develop, test, deploy, and maintain scalable web applications and backend systems.
  • Develop and maintain RESTful APIs, webhooks, and third-party system integrations.
  • Work on transaction-based systems involving payment processing, reconciliation, callbacks, and transaction status handling.
  • Design and optimize database structures, queries, stored procedures, and indexes.
  • Troubleshoot production issues, identify root causes, and implement permanent solutions.
  • Improve existing systems for better performance, scalability, stability, and security.
  • Handle concurrent requests and high-volume transaction environments.
  • Implement proper logging, monitoring, exception handling, and audit trails.
  • Review code and ensure development standards and best practices are followed.
  • Work closely with Project, Product, Operations, IT Support, and other development teams.
  • Translate business and operational requirements into technical solutions.
  • Provide technical guidance and mentorship to junior developers.
  • Participate in system architecture and technical design discussions.
  • Maintain proper technical documentation for system changes, APIs, and integrations.

  Requirements

  • Minimum 5 years of software development experience, preferably with experience in senior-level responsibilities.

  • Strong experience in C# and ASP.NET / ASP.NET Core.

  • Strong knowledge of Microsoft SQL Server (MSSQL).

  • Good understanding of:

    • RESTful API development
    • Webhooks and callback handling
    • JSON / HTTP / HTTPS
    • API authentication and security
    • HMAC / hashing / signature verification
    • IP whitelisting

  • Strong understanding of database design, query optimization, indexing, and transaction management.

  • Experience with HTML, CSS, JavaScript and jQuery.

  • Good understanding of software architecture, design patterns, and clean coding practices.

  • Experience troubleshooting live production systems and resolving complex technical issues.

  • Familiar with Git and version control workflows.

  • Good understanding of application and API security.

  • Able to work independently and take ownership of assigned projects.

  • Strong analytical, troubleshooting, and problem-solving skills.

  • Able to communicate effectively with both technical and non-technical teams.

  Added Advantages

  Candidates with experience in any of the following will have an added advantage:

  • Redis
  • RabbitMQ / Kafka or other message queues
  • Angular / AngularJS or other frontend frameworks
  • Docker
  • Selenium / Playwright or other automation tools
  • Microservices architecture
  • Payment gateway or fintech system development
  • Payment reconciliation and settlement systems
  • PCI DSS or payment security standards
  • Monitoring and centralized logging solutions
  • Knowledge or hands-on experience with AI technologies and AI-assisted development will be an added advantage.
  • Able to identify practical opportunities to use AI and automation to reduce manual work and improve operational efficiency.

  Preferred Candidate

  We are looking for someone who:

  • Takes ownership instead of only completing assigned coding tasks.
  • Can independently investigate and resolve production issues.
  • Understands the impact of technical changes on business operations.
  • Can design solutions with security, scalability, and maintainability in mind.
  • Is comfortable working in a fast-paced technology environment.
  • Can guide junior developers and conduct effective code reviews.

  Is proactive in identifying system weaknesses and recommending improvements