Full-stack developer with 6+ years of experience specializing in backend engineering and cloud-native systems. Experienced in building scalable, high-performance applications using NestJS, Node.js, React, Golang, Java, Python, Docker, Kubernetes, Jenkins, and AWS. Proven ability to architect robust microservices, optimize system performance, and deliver production-grade software across web and mobile platforms, including CI/CD automation, data pipelines, and AI/LLM-enabled workflows.

Pawara Navojith Gunathilaka

Full-stack developer with 6+ years of experience specializing in backend engineering and cloud-native systems. Experienced in building scalable, high-performance applications using NestJS, Node.js, React, Golang, Java, Python, Docker, Kubernetes, Jenkins, and AWS. Proven ability to architect robust microservices, optimize system performance, and deliver production-grade software across web and mobile platforms, including CI/CD automation, data pipelines, and AI/LLM-enabled workflows.

Available to hire

Full-stack developer with 6+ years of experience specializing in backend engineering and cloud-native systems. Experienced in building scalable, high-performance applications using NestJS, Node.js, React, Golang, Java, Python, Docker, Kubernetes, Jenkins, and AWS.

Proven ability to architect robust microservices, optimize system performance, and deliver production-grade software across web and mobile platforms, including CI/CD automation, data pipelines, and AI/LLM-enabled workflows.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Work Experience

Software Engineer (Deployments) at Sitecore
February 1, 2026 - Present
Optimized data pipelines for a major Sitecore client (~$19.4M weekly revenue), achieving ~45% performance improvement and reducing end-to-end pipeline execution time by ~2 hours 20 minutes. Re-engineered core logic across feed ingestion, transformations, AWS DataSync, and post-processing workflows. Designed, implemented, debugged, and maintained CI/CD pipelines for Sitecore Search to ensure consistent deployments across environments. Managed ingestion, data, build pipelines, and deployment workflows for large-scale cloud-based systems focused on stability and performance.
Associate Software Engineer at HP Innovations
July 1, 2025 - February 1, 2026
Acted as a full-stack engineer on a scalable travel platform delivering end-to-end core product features using NestJS, Java, React, PostgreSQL, Docker, Kafka, Kubernetes, and AWS. Designed modular, performant, and fault-tolerant system architecture across distributed microservices. Optimized database design and queries to improve response times under high-concurrency workloads. Engineered secure production-grade REST APIs for booking, messaging, and location services. Developed a WebSocket-based live chat module achieving low-latency communication.
Intern full-stack developer at Insighture
October 1, 2023 - October 1, 2024
Worked on a cloud-native platform engineering solution using React.js, NestJS, and AWS. Developed modular, production-ready frontend components and REST APIs for platform features. Containerized microservices with Docker and deployed via Kubernetes and AWS EKS to ensure high availability and scalability. Integrated external plugins and services to extend platform capabilities.
Software Engineer (Freelancer) at Freelance
June 1, 2021 - February 1, 2026
Architected and developed backend systems across multiple projects using NestJS, Java, Node.js, and Python. Built and orchestrated multi-agent AI systems with shared state management and coordinated task execution. Integrated LLM capabilities using OpenAI APIs and locally hosted models for hybrid AI workflows. Containerized services with Docker and orchestrated deployments using Kubernetes for scalability and fault tolerance. Designed and trained deep learning models (CNN, RNN, NLP, GAN, etc.).
Software Engineer (Freelancer)
June 1, 2021 - Present
Architected and developed backend systems using NestJS, Java, Node.js, and Python across multiple projects. Built and orchestrated multi-agent AI systems with shared state management, synchronization, and coordinated task execution. Integrated LLM capabilities using OpenAI APIs and locally hosted models for hybrid AI workflows. Containerized with Docker and orchestrated deployments using Kubernetes for scalability and fault tolerance. Designed and trained deep learning models such as CNN, RNN, NLP, and GAN.

Education

BSc (Hons) in Information Technology (Specializing in Software Engineering) at Sri Lanka Institute of Information Technology
January 11, 2030 - July 16, 2026
BSc (Hons) in Information Technology (Software Engineering) at Sri Lanka Institute of Information Technology (SLIIT)
January 1, 2019 - January 1, 2023

Qualifications

Merit Award (National ICT Awards - NBQSA 2025)
January 1, 2025 - January 1, 2025

Industry Experience

Software & Internet, Computers & Electronics, Professional Services, Travel & Hospitality, Education