Gigum Bandara Rajaguru

GBRSystems — Contract / Self-Employed

Colombo, Sri Lanka — Remote

• Owning end-to-end software architecture design — defining system structure, technology standards, frameworks, and best practices across projects.
• Leading strategic technical decisions to ensure scalability, reliability, and long-term maintainability of systems.
• Delivering backend engineering and software solutions to international clients.
• Building scalable APIs, automation tools, and full-stack applications using Python and modern frameworks.
• Built and maintained automation tools and data pipelines to streamline client workflows and reduce manual effort.
• Collaborated directly with clients to gather requirements, deliver iterative solutions, and ensure high-quality outcomes.

HCL Technologies - Irdeto: Innovation

Colombo, Sri Lanka — Multinational IT services and consulting company, a subsidiary of HCL Enterprise

• Led the engineering team as Tech Lead within the Irdeto Innovation division, overseeing technical direction and end-to-end delivery of key projects.
• Defined and enforced coding standards, architectural guidelines, and best practices to ensure consistency and long-term maintainability across the codebase.
• Conducted regular code reviews, one-on-ones, and technical mentoring sessions to upskill junior and mid-level engineers.
• Collaborated directly with product managers and stakeholders to translate business requirements into clear technical roadmaps and sprint plans.
• Drove the adoption of microservices architecture using FastAPI and Docker, improving service scalability and deployment reliability.
• Coordinated cross-team dependencies and proactively managed technical risks, ensuring on-time delivery of project milestones.
• Introduced automated testing strategies and CI/CD pipelines, reducing release cycle time and increasing deployment confidence.

HCL Technologies - Irdeto: Innovation

Colombo, Sri Lanka — Multinational IT services and consulting company, a subsidiary of HCL Enterprise

• Overhauled system monitoring tools, reducing system downtime by 30% through proactive issue resolution.
• Designed and implemented a robust data analysis framework using Python (Pandas, NumPy), enabling real-time insights for improved decision-making.
• Led a 5-member team to develop a security and privacy-focused solution, increasing operational efficiency by 25%.
• Utilized FastAPI and Docker to build scalable microservices, ensuring seamless deployment across cloud platforms.

Sampath Information Technology Solution Ltd.

Colombo, Sri Lanka — A fully owned subsidiary of Sampath Bank PLC

• Developed a web-based meeting management tool using Angular and TypeScript, streamlining operations for over 50 business units.
• Conducted comprehensive research on banking systems, integrating domain insights to enhance product functionality.
• Collaborated with cross-functional teams to prioritize and implement customer requirements, ensuring 100% alignment with project goals.
• Spearheaded requirement analysis and change management processes, resulting in a 20% reduction in project delivery time.

Freelancer

Gampaha, Sri Lanka

• Delivered 15+ custom web, mobile and bot applications tailored to diverse industries, improving client productivity by up to 40%.
• Collaborated with international clients to build scalable backend systems.
• Integrated third-party APIs and payment gateways across projects, improving functionality and user experience for end-users.

Master of Business Analytics

Data Science & Artificial Intelligence

University of Colombo School of Computing

Colombo, Sri Lanka

Bachelor Degree in Information Technology

Sri Lanka Institute of Information Technology

Malabe, Sri Lanka

Diploma in Information Technology

Sri Lanka Institute of Information Technology

Malabe, Sri Lanka

Secondary Education

Galahitiyawa Central College

Ganemulla, Sri Lanka