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Onuche I.

Onuche I.

Full Stack Developer with Java, Elixir, Flutter, and React.

I’m a Full Stack Software Engineer with 8+ years of professional experience building scalable software systems, modern web applications, and cloud-ready microservices. I specialize in improving existing systems, adding new features, fixing complex bugs, and building production-ready applications from scratch. Many of the projects I work on involve business-critical platforms where reliability, scalability, and clean architecture matter. I hold both a Bachelor’s and a Master’s degree in Software Engineering, and I bring a strong engineering mindset with a focus on maintainability, performance, and long-term product success. What I Can Help You With ✔ Building scalable microservices architectures ✔ Developing full stack web applications ✔ Improving or refactoring existing codebases ✔ Fixing performance issues and difficult bugs ✔ Designing and building REST APIs ✔ Integrating databases and cloud services ✔ Setting up CI/CD pipelines and cloud deployment Core Technologies Backend Java (Spring Boot) Python (Flask) Microservices architecture REST APIs Frontend React JavaScript / TypeScript Bootstrap Ant Design Mobile Flutter Databases PostgreSQL MySQL Elasticsearch H2 NoSQL systems Cloud & DevOps AWS Google Cloud Platform (GCP) Docker (if you use it, add it) CI/CD: GitHub Actions, Jenkins, Bitbucket Pipelines, Octopus Other Git Test-Driven Development (TDD) Cucumber / Acceptance Testing Functional programming (Elixir) Development Environment I regularly work with: IntelliJ IDEA, PyCharm, WebStorm, DataGrip, Ubuntu, and Windows servers.

🇪🇪Rae, Estonia$40/hr100% JSS4.99 (10)Since Mar 2020

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#66,387 / 412k
🇪🇪Country#89 / 398
Revenue, last 30 days
$0
Total earnings
$59k

Billed in all: $62k

World#66,387 / 412k
🇪🇪Country#89 / 398
Per project
$4.9k
Projects, last 6 months
0
World#209,857 / 412k
🇪🇪Country#181 / 398
Projects in all
12

Across 14 contracts

14% fixed86% hourly
World#183,652 / 412k
🇪🇪Country#192 / 398

Earnings, last 30 days

$61.7kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$60k$61k$62k$63kOct 9Oct 24Nov 8

Skills