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Hi, I’m Chathumi Fernando, a full-stack software engineer with 3.5+ years of experience delivering SaaS-based production systems for international clients. I thrive on troubleshooting production issues, performing root-cause analysis, reproducing bugs, and delivering timely fixes within SLA timelines. I also enjoy clarifying requirements with clients, facilitating third-party integrations, and improving system workflows and documentation. I’m comfortable collaborating with cross-functional teams in Agile environments and supporting high-availability platforms on AWS. My work spans backend services built with Core Java and Spring, frontend interfaces with React and TypeScript, and end-to-end integrations, including a hotel-aggregation hub. I’m passionate about learning new technologies and mentoring teammates to ship robust software.…Hi, I’m Chathumi Fernando, a full-stack software engineer with 3.5+ years of experience delivering SaaS-based production systems for international clients. I thrive on troubleshooting production issues, performing root-cause analysis, reproducing bugs, and delivering timely fixes within SLA timelines. I also enjoy clarifying requirements with clients, facilitating third-party integrations, and improving system workflows and documentation. I’m comfortable collaborating with cross-functional teams in Agile environments and supporting high-availability platforms on AWS. My work spans backend services built with Core Java and Spring, frontend interfaces with React and TypeScript, and end-to-end integrations, including a hotel-aggregation hub. I’m passionate about learning new technologies and mentoring teammates to ship robust software.

Chathumi Fernando

Full Stack Developer, Web Developer, Programmer, +2

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Hi, I’m Chathumi Fernando, a full-stack software engineer with 3.5+ years of experience delivering SaaS-based production systems for international clients. I thrive on troubleshooting production issues, performing root-cause analysis, reproducing bugs, and delivering timely fixes within SLA timelines. I also enjoy clarifying requirements with clients, facilitating third-party integrations, and improving system workflows and documentation. I’m comfortable collaborating with cross-functional teams in Agile environments and supporting high-availability platforms on AWS. My work spans backend services built with Core Java and Spring, frontend interfaces with React and TypeScript, and end-to-end integrations, including a hotel-aggregation hub. I’m passionate about learning new technologies and mentoring teammates to ship robust software.…Hi, I’m Chathumi Fernando, a full-stack software engineer with 3.5+ years of experience delivering SaaS-based production systems for international clients. I thrive on troubleshooting production issues, performing root-cause analysis, reproducing bugs, and delivering timely fixes within SLA timelines. I also enjoy clarifying requirements with clients, facilitating third-party integrations, and improving system workflows and documentation. I’m comfortable collaborating with cross-functional teams in Agile environments and supporting high-availability platforms on AWS. My work spans backend services built with Core Java and Spring, frontend interfaces with React and TypeScript, and end-to-end integrations, including a hotel-aggregation hub. I’m passionate about learning new technologies and mentoring teammates to ship robust software.

Available to hire

Hi, I’m Chathumi Fernando, a full-stack software engineer with 3.5+ years of experience delivering SaaS-based production systems for international clients. I thrive on troubleshooting production issues, performing root-cause analysis, reproducing bugs, and delivering timely fixes within SLA timelines. I also enjoy clarifying requirements with clients, facilitating third-party integrations, and improving system workflows and documentation.

I’m comfortable collaborating with cross-functional teams in Agile environments and supporting high-availability platforms on AWS. My work spans backend services built with Core Java and Spring, frontend interfaces with React and TypeScript, and end-to-end integrations, including a hotel-aggregation hub. I’m passionate about learning new technologies and mentoring teammates to ship robust software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Software Engineer at CodeGen International (Pvt) Ltd

January 1, 2022 - Present

Designed and developed scalable backend services and enterprise applications in a live SaaS production environment using Core Java and Spring Framework; built and maintained enterprise desktop applications with Java Swing. Implemented responsive frontends with React and TypeScript. Managed high-priority production incidents, performed root cause analyses, reproduced issues, and delivered timely fixes within SLA. Worked directly with UK-based clients to clarify functional requirements, gather feedback, and provide technical explanations of system behavior. Architected RESTful APIs and database-driven modules, and contributed to distributed integrations and performance-sensitive components. Led end-to-end integration of a third-party hotel aggregation hub—from business requirement analysis through development, testing, production rollout, and client handover. Supported CI/CD pipelines and AWS deployments (Lambda); used Jira for Agile planning, and mentored junior developers.