A look at platforms we run in production — the architecture, the stack and the measurable outcomes. From AI-native sourcing to event-driven order processing and large-scale data migration.
Built an AI-based procurement and sourcing platform for a long-standing client, using Spring AI and semantic search to match buyers with suppliers and automate sourcing decisions that were previously manual.
Manage and continuously evolve a proprietary order-processing platform with event-driven Spring Boot microservices and Kafka, delivering reliable, real-time processing for a two-year-plus engagement.
Engineered a systematic, custom-conversion migration of massive datasets between sources using Apache Spark, cutting a fragile manual migration into a repeatable, observable pipeline.
Want the technical detail behind any of these? Get in touch and we'll walk you through the architecture.
Hello World Tech has been an outstanding partner for us over the last two years. They manage our proprietary order-processing platform with precision and reliability, and recently helped us build an AI-based sourcing platform called OptaAI that has transformed how we handle procurement. SPS and the team are responsive, expert, and genuinely invested in our success. Highly recommend!
SPS is an expert developer who is very efficient and extremely thoughtful. He gives the best code reviews and has the greatest attention to detail out of every developer I have worked with on Upwork. His part-time availability was a good match for our needs and it has been very beneficial to have him on the project.
SPS is good at his work and completed our project in a very short time. Would recommend him highly, and we'll work with him if we have any more projects in Java.
Hello World has been instrumental in building our proprietary File Comparison Tool.
Amazing tech solution, designed for us.
Tell us about your application and goals — we'll engineer the outcome.