Nwosu Kelechukwu, Developer in Berlin, Germany
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Nwosu Kelechukwu

Verified Expert  in Engineering

Bio

Nwosu is a senior software engineer with over seven years of experience. He's been involved in various projects using Python, Go, JavaScript, and relational and non-relational databases, primarily on Linux and Unix-based systems. Most recently, he worked for a biotechnology startup called BenchSci in Toronto as a remote engineer and team lead, developing mission-critical features to improve platform scalability, user adoption, and retention.

Portfolio

Online Freelance Agency
React, JavaScript, Go, Python
BenchSci
GraphQL, Elasticsearch, Python, React, JavaScript
Tarana Wireless
JavaScript, Redis, Go, Python

Experience

  • Software Development - 7 years
  • Python - 7 years
  • SQL - 7 years
  • Django - 7 years
  • Flask - 5 years
  • JavaScript - 5 years
  • Jira - 3 years
  • React - 2 years

Availability

Part-time

Preferred Environment

Jira, Visual Studio Code (VS Code), Slack

The most amazing...

...feature I've worked on detects duplicate antibody products with 90% accuracy and reduces redundant purchases within big pharmaceutical companies.

Work Experience

Senior Software Engineer

2018 - PRESENT
Online Freelance Agency
  • Built web data connectors (WDC) for Facebook, Twitter, and Instagram using Python. This enabled the client to make better decisions due to the availability of consumer data.
  • Built and extended a suite of CLI and web applications written in Python, Go, and JavaScript that helped a telecommunications equipment manufacturer Tarana Wireless detect and fix errors faster.
  • Served as a tech lead for remote software engineering teams that worked on projects with North American companies.
Technologies: React, JavaScript, Go, Python

Remote Full-stack Engineer

2020 - 2020
BenchSci
  • Led a remote team that co-implemented the addition of CRISPR research data into the platform to help scientists conduct life-saving research faster during the COVID-19 pandemic.
  • Developed a feature that reduces redundant reagent purchases of pharmaceutical companies and saves clients about $6 million yearly. The feature had a 40% user adoption rate in the first month post-launch.
  • Built a feature that detects duplicate antibody products with 90% accuracy, reducing costs incurred due to redundant purchases in pharmaceutical companies.
  • Carried out major codebase refactoring that increased product development velocity by 25%.
Technologies: GraphQL, Elasticsearch, Python, React, JavaScript

Remote Senior Software Engineer

2018 - 2019
Tarana Wireless
  • Built tools that automated testing of wireless radio network equipment that was still being developed in the lab.
  • Contributed to a resource pool service using Go with Redis and Python, which made reserving resources run tests more efficiently, improving company-wide productivity.
  • Conducted a successful migration of all services to Kubernetes.
Technologies: JavaScript, Redis, Go, Python

Software Engineer

2016 - 2018
Sponge Limited
  • Cooperated with clients to understand their objectives for campaigns, determining technical feasibility, design, building, and maintenance of applications.
  • Built platforms using Python and service-oriented architecture that powered highly successful SMS-based nationwide campaigns for brands like Maggi and McVitie's.
  • Led the team that integrated with SMS and USSD gateways of all telecommunication companies in Nigeria, serving as the backbone for all mobile campaigns in the company.
Technologies: Node.js, RabbitMQ, PostgreSQL, Express.js, Flask, Django

VAS Engineer

2014 - 2016
Huawei Technologies Co., Ltd.
  • Maintained managed service software and infrastructure of telecommunication companies in Nigeria.
  • Managed and maintained Linux servers, SQL database servers, load balancers, and other telecommunications companies' key infrastructure, ensuring minimal downtime.
  • Troubleshot and deployed software patches and bug fixes for services like caller ring back tune (CRBT), which led to a more stable service for customers.
Technologies: SOAP, Oracle PL/SQL, Linux, Bash

Experience

CareerLyft—Online Resume Builder Service

CareerLyft is an online resume builder service. I acted as a back-end engineer and interim CTO and helped build the back end of the minimum viable product as well as the pre-launch referral engine used to market the platform using Django REST framework and Flask.

React App for Healthcare Service

A React-based client application for a healthcare service. The React web client consumed back-end APIs used by physicians to manage their patients. The app includes features such as bulk invitations, in-app messaging, and other physician administrative needs.

Web Application for Wildfire Protection Service

A Django and Next.js-based web application offering home protection against wildfires in California.

I built the minimum viable project(MVP) for the front end and back end, and designed and implemented the onboarding flow as well as the migration of pre-existing customer data.

Education

2007 - 2012

Bachelor's Degree in Systems Engineering

University of Lagos - Lagos, Nigeria

Certifications

JUNE 2019 - PRESENT

Neural Networks and Deep Learning

Coursera, Inc.

APRIL 2014 - PRESENT

Microsoft Certified Professional (MCP)

Microsoft

Skills

Libraries/APIs

React, Node.js

Tools

Slack, Jira, RabbitMQ

Languages

Python, JavaScript, SQL, GraphQL, Go, Bash, CSS3, CSS, HTML

Frameworks

Django, Flask, Express.js, Next.js

Platforms

Visual Studio Code (VS Code), Linux

Paradigms

ETL

Storage

Elasticsearch, Redis, PostgreSQL, Oracle PL/SQL

Other

Software Development, APIs, SOAP

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