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Nishshanka S
@nishshanka_san
Sri Lanka
English, Sinhala
About me
Software Engineer with 2+ years of experience building scalable web applications and backend systems. Experienced in Java, Spring Boot, Node.js, React, Next.js, TypeScript, PostgreSQL, MongoDB, Kafka, Redis, GraphQL, and AWS. Currently building enterprise-scale backend services at Sysco Labs. Passionate about system design, clean code, cloud technologies, and solving complex engineering challenges.
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Nishshanka S
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Average response time: 1 hour
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Full Stack Web Applications
I will be full stack web developer using reactjs, nodejs, and mongodb
Full Stack Web Applications
I will software engineer for java springboot nodejs and react development
Portfolio
Work experience
Software Engineer
Sysco • Full-time
Jul 2024 - Present • 2 yrs 1 mo
• Own backend pricing and product list systems on Sysco Shop, the e-commerce platform for Sysco Labs, one of the world’s largest broadline food distributors, serving 700,000+ customer locations globally. • Built and maintain a Spring Boot pricing aggregation microservice consolidating data from four price providers; implemented the pricing subgraph stitched into the products graph via GraphQL federation • Introduced Redis caching for the pricing service, improving latency by 20%, and built Kafka consumers to support real-time pricing and listing initiatives • Developed a large-scale data processing pipeline using AWS S3, Glue Data Catalog, and Apache Spark to compare daily update files with existing database records, identify data changes, and update Elasticsearch indexes with 500GB+ of data • Tech: Spring Boot, GraphQL, PostgreSQL, Kafka, Redis, AWS
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manasareddy359
United States
Ongoing collaboration
excellent service
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manasareddy359
United States
Ongoing collaboration
good working with him
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unsunghero7
Malaysia
Ongoing collaboration
Once again Nishshanka has exceeded my expectations on the project. Happy to have purchased again from him for the coding. He also delivered the project earlier than promised.
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unsunghero7
Malaysia
Ongoing collaboration
Excellent service by nishshanka. He is very dedicated and communicated regularly so that I could see the progress in every stage. Really like that about him. Working on another project with him now. Definitely one of the best!
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cloud_labs
United States
Perfect execution, and quick.
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