Product Support Engineer @ PetDesk
Software Engineer | Product Support Engineer | Research Enthusiast
Specializing in SaaS Integrations & API Troubleshooting | Freelance Software Developer | Technical Customer Success. Diagnosing complex API failures, streamlining Practice Management Systems sync, and building resilient full-stack web applications.
What I do best
Four pillars that connect code, customers, and curiosity.
Software Engineering
Full-stack web apps, APIs & integrations with clean, maintainable code.
Technical Support
Product support, debugging & customer-centric incident resolution.
Research & Innovation
Federated identity, vision systems & applied ML experiments.
Continuous Learning
AWS, GCP & Postman certified. Always documenting & sharing.
Engineer with a support mindset
I care about uptime and understanding. Every ticket is a UX insight.
I'm Sadeesha — a Colombo-based engineer focused on APIs, integrations, and stellar developer support. My research on FedIdentity explores privacy-first auth for the next web. Values: clarity, reliability, curiosity.
Experience
See MoreProduct Support Engineer
2023 — PresentPetDesk
Manage tier-2 technical application support for veterinary clinic SaaS platforms and diagnose complex API sync failures
Freelance Software Developer
2022 — PresentSelf-employed
Architect and ship production-grade full-stack web applications including WANDURA (construction marketplace) and MyCalender
Customer Operations & Process Optimization
2021 — 2023HSBC
Managed high-volume customer inquiries, incident routing, and workflow escalations in an enterprise banking environment
Selected work, shipped & documented
Image-led case studies with architecture, results, and links.
WANDURA
Full-stack construction marketplace connecting homeowners and contractors with verified tradespeople.
PetDesk PIMS & Vetstoria Integration Diagnostics
Diagnostic runbooks, webhook reliability testing, and API triage harness for Practice Management Systems & Vetstoria.
MyCalender
Production-ready full-stack calendar application with slot scheduling, conflict detection, and event management.
Evidence, not hype
Notes from the field
Practical engineering, support playbooks, and research explainers.
Studying for AWS + GCP without burnout
LPR in the rain: what broke and what fixed it
Docs that cut support load by half
How I can help
Fixed-scope, well-documented engagements for teams and clients.
Technical Support
Scoped, priced & delivered with docs.
API & Integration Engineering
Scoped, priced & delivered with docs.
Technical Documentation
Scoped, priced & delivered with docs.
Software Development
Scoped, priced & delivered with docs.
Research & Analysis
Scoped, priced & delivered with docs.
Custom Solutions
Scoped, priced & delivered with docs.
Let's build something reliable.
For roles, freelance, or research collabs — I reply within 24–48 hours.