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Oliver
@siriuscodz
Level 2
Full Stack Web Developer
Sri Lanka
English, Sinhala
About me
If you're looking for an experienced full-stack developer, you're in the right place. With 5+ years of experience, I specialize in building scalable web applications and SaaS platforms. I am an expert in Node.js, Next.js, and React, and I build serverless backends using AWS Lambda. I also develop AI-powered features and chatbots using LangChain and LLMs. Proficient in TypeScript, Angular, MongoDB, MySQL, Firebase, and PostgreSQL. I deliver clean, maintainable, production-ready code on time. Let's build something great!
Skills
Oliver
$12/hour
Offline •
Average response time: 1 hour
See my services
API & Integrations
I will fix node js api bugs or build rest api fast
Troubleshooting & Improvements
I will fix, debug your lovable, bolt projects
Want to work on an hourly basis?
Tell Oliver what you need.
$12
/
hourPortfolio
Work experience
Software Engineer
Donext • Full-time
Jan 2020 - Feb 2023 • 3 yrs 1 mo
Worked as a full-stack engineer building scalable web applications and backend systems across multiple client projects. Designed and developed REST APIs using Node.js and TypeScript, implemented authentication systems, and optimized database performance. Built frontend applications using Next.js, React, and Vue.js, focusing on performance and maintainable architecture. Also worked with AWS services for deployment, serverless functions, and cloud infrastructure.
77 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 77 Reviews
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nig_nigel
United Kingdom
Oliver did a great job working on our platform (MeterQube). HE quickly understood the requirements, fixed key issues around Stripe payment flow and location handling, and communicated clearly throughout the process. What I appreciate most was that he didn't overcomplicate things, he focused on getting...
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tommytox
Repeat Client
Netherlands
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tommytox
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Netherlands
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tommytox
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Netherlands
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gleap_hk
Repeat Client
Hong Kong
Great value really collaborative experience good language competence
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