Backend Systems
Designing and maintaining reliable services using Java, Spring Boot, relational databases, and service-oriented patterns.
Senior Software Engineer
Mithila Shehan Wickramarathne
I’m a senior software engineer focused on building reliable backend systems, cloud-ready services, and practical tools with Java, GraphQL, and modern web technologies.
Engineering focus
Backend systems, API design, cloud-ready services, and maintainable product delivery.
About
Building dependable software for real product teams.
I work across backend services, API platforms, and full-stack product features, with a strong foundation in Java, Spring Boot, GraphQL, microservices, and modern web development.
My experience spans travel technology, consulting, e-commerce platforms, data pipelines, and personal open-source tools. I value clear architecture, pragmatic delivery, and software that remains understandable after it reaches production.
Capabilities
Technical strengths with product judgment.
APIs & GraphQL
Building practical API layers with REST and GraphQL, shaped around maintainability, team workflows, and user needs.
Cloud Engineering
Developing cloud-aware services with attention to scalability, operational clarity, and secure deployment boundaries.
Product Delivery
Working across backend and frontend concerns to ship features, improve systems, and support long-lived products.
Work
Selected experience.
Senior Software Engineer
Backend development for production software teams, working with Java, GraphQL, and supporting web technologies.
Senior Software Engineer
Delivered backend and data-focused engineering work across cloud, integration, and application development contexts.
Software Engineer to Technical Lead
Contributed to large-scale e-commerce product engineering, backend integrations, production support, and team leadership.
Projects
Open-source work.
Personal finance management
AccountAble
A personal finance project for managing assets, liabilities, payment systems, transactions, and financial views.
Developer utility
Gigabyte M27Q Settings Controller
A macOS utility for controlling supported monitor settings through a lightweight menu bar application.
Contact
Let’s connect professionally.
For networking, career conversations, or project context, LinkedIn and GitHub are the best public channels.