Specializing in DevOps & Full-Stack
Building end-to-end solutions from code to cloud , combining full-stack development expertise with DevOps automation to deliver scalable, reliable applications.
About Me
Sadeesha Perera
DevOps Enthusiast
I'm Sadeesha Perera, a DevOps Enthusiast with 3+ years of experience bridging the gap between development and operations. I build complete solutions from scratch to infrastructure.
My unique combination of full-stack development skills and DevOps expertise allows me to create applications that are not only feature-rich and user-friendly but also scalable, secure, and maintainable.
I specialize in modern web technologies, cloud architecture, Infrastructure as Code, and building robust CI/CD pipelines that enable teams to deliver value faster and more reliably.
DevOps & Infrastructure
Full-Stack Development
Resume
Comprehensive overview of my professional journey as a DevOps Engineer combining full-stack development expertise with infrastructure automation.
Professional Experience
Intern at Zincat Technology
- •Contributed to achieve ISO 27001:2022 compliance
- •Coordinated with cost optimization, resource budget planning
- •Implemented CI/CD pipelines for both frontend and backend applications using CircleCI
- •Autoscaled applications using Load Balancers and Auto Scaling Groups
- •Managed cloud infrastructure on AWS, Azure and DigitalOcean platforms
- •Developed monitoring solutions and automated incident response systems
- •Reduced deployment time by 75% and improved application performance by 40%
- •Collaborated with full stack and QA teams to optimize application deployment strategies
- •Assist with recovery drills and incident response planning
- •Migrated legacy applications to scalable and cost efficient environments
Undergraduate at SLIIT
- •Developed 15+ software applications using Javascript, PHP, and Java etc.
- •Designed and implemented SQL databases with optimized queries
- •Created responsive UIs and integrated third-party APIs
- •Set up Docker containerization and basic CI/CD practices
- •Participated in Agile development processes and code reviews
- •Contributed to open-source projects and community initiatives
- •Mentored junior developers on best practices in software development and DevOps
Education
Sri Lanka Institute of Information Technology
2022 - Present
Focused on Software Engineering, System Architecture, and Database Design etc.
De Mazenod College
2019 - 2021
Focused on Mathematics, Physics, Chemistry and ICT
De Mazenod College
2008 - 2018
Completed with 9A passes including Mathematics, Science, and English
Volunteering Experience
Malabe, Western Province, Sri Lanka
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President
May 2025 – Present
Led the club's initiatives, organized events, and managed overall operations.
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Subcommittee Member
Apr 2024 – Apr 2025
Assisted in planning and executing club events.
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Member
March 2023 – March 2024
Participated in club meetings and contributed to discussions on open-source projects.
Malabe, Western Province, Sri Lanka
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Assistant Treasurer
May 2025 – Present
Managed financial records and budgets for community activities.
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Designer
May 2024 – May 2025
Created visual content and promotional materials for events.
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Member
May 2023 – May 2024
Contributed to community discussions and supported initiatives.
Malabe, Western Province, Sri Lanka
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DevOps Lead
May 2025 – Present
Led the setup and automation of cloud infrastructure to support CSR projects, ensuring scalability and deployment efficiency.
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Subcommittee Member
Oct 2024 – May 2025
Supported organizational tasks and helped coordinate events.
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Member
Aug 2024 – Oct 2024
Engaged in community activities and contributed to technical discussions.
Technical Skills
Featured Projects
A comprehensive showcase of my work spanning DevOps infrastructure automation and full-stack application development, demonstrating end-to-end solution delivery.
DevOps Engineering
Key Outcomes:
Reduced deployment time by 70%, increased release reliability, and ensured consistent testing across multiple environments through pipeline automation.
Cloud Engineering
Key Outcomes:
Demonstrated proficiency across 15+ AWS services, built end-to-end cloud solutions, and showcased readiness for real-world cloud infrastructure and automation challenges.
DevOps & Systems Automation
Key Outcomes:
Automated 90% of routine tasks, reduced manual errors by 70%, and cut server setup time to under 5 minutes.
DevOps & Systems Automation
Key Outcomes:
Enabled proactive resource management and incident response through centralized monitoring, reducing downtime by 50% and improving system reliability.
Services Offered
Comprehensive full-stack development and DevOps solutions to accelerate your development lifecycle and deliver exceptional user experiences.
Testimonials
What clients and collegians say about my full-stack development and DevOps engineering services.
"Sadeesha has consistently demonstrated a high level of professionalism and technical expertise during his time with us. His proactive approach to automating deployments, optimizing CI/CD pipelines, and maintaining infrastructure stability has made a noticeable impact on our operations. Thanks to his contributions, we’ve experienced smoother releases, minimal downtime, and improved overall reliability in our systems all while staying within our resource budget."
Dhanushka Uditha
Senior DevOps Engineer, Zincat Technology
"Working with Sadeesha was one of the best decisions we made for our platform’s long-term success. From the very beginning, he clearly understood our need for a seamless, user-friendly experience and delivered beyond expectations. The system he built runs reliably with minimal downtime and excellent performance. Additionally, his cost-effective infrastructure design significantly reduced our operational expenses. His ability to combine technical efficiency with financial awareness truly sets him apart."
Kavindu Angelo
Owner, BIK Product
"I had the pleasure of working with Sadeesha on four significant successful projects during our time at the university, where he took on the role of project leader. His exceptional leadership, technical expertise, and unwavering commitment were instrumental in guiding our team toward success. He consistently ensured that deadlines were met, challenges were addressed effectively, and everyone stayed aligned with the project goals. Sadeesha’s dedication made a lasting impact on our academic journey."
Janudi Adhikari
Undergraduate, SLIIT
DevOps Blog & Case Studies
Technical articles and real-world case studies on DevOps practices, cloud architecture, and automation.
