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Jeffery Osei
Senior Backend and Data Engineer at expressPay Ghana
Accra, Ghana

Intro

Hi, I am Jeffery. Nice to meet you. Since the beginning of my journey as a Back-end engineer, I have done remote work for agencies and collaborated with talented people to create digital products for both business and consumer use. I am quietly confident, naturally curious, and perpetually working on improving my skill-set one functional problem at a time.

Languages:
English (English)
(Professional proficiency)

Tech Stack

Showcase your key technical skills to help potential employers understand your strengths and match you with the right opportunities. You can include any relevant knowledge from coding languages to graphic design platforms and more.
PHP
PHP(5 years)
wordpress
wordpress(4 years)
laravel
laravel(3 years)
JavaScript
JavaScript(3 years)
Python
Python(3 years)

See more on the Tech Profile

Work Experiences

List your work history, including any contracts or internships
expressPay Ghana
2 years 4 months
Accra, Greater Accra Current workspace
Currently Jeffery Osei supports the expressPay Ghana

Jeffery Osei's scores will be added to this company.

Senior Backend and Data Engineer
Aug 2020 - Present (7 months)
In this new position, I play a role in the research, development and release of our high level third-party applications, working with the countries most reputable and most respected organizations to deliver citizen facing applications, with the aim of making it easy for citizens to access national services and to also help curb the need to make payments on premise via online payments.
php javascript python apache spark pyspark
Backend and Data Engineer
Jul 2019 - Aug 2020 (1 year 1 month)
First part of my daily activities mostly entails maintaining and improving our backend services, through adding in required features if neccessary and in sync with our release timelines and solving any outstanding customer support issues recorded by the team in charge.

Second part has to do with offering support to our integrated and integrating partners, aiding in clarifications needed on what our consumable application resources provide, sorting out any outstanding challenges with integrators, initiating interactions between the executive team and the respective integrators when required.

Last part has to do with finding an understanding into the knowledge our data can provide, this mostly aids the executive team in making future decisions that helps the company scale in all aspects of its service provision.

In my second time joining this company, its been an awesome experience so far, working with very smart and curious individuals who stop at nothing to get the job done, their wits and love for technology keeps me going.

Stack and Framworks we use:
PHP, Python, JavaScript, Laravel, React, Apache Spark
php javascript jquery python apache spark pyspark
Software Design Engineer
Jan 2017 - Sep 2017 (8 months)
My daily activities mostly entailed maintaining and improving our backend service delivery portals which aided the Customer Support Team, Operation Team and Finance Team in completing their daily goals, through adding in required features in sync with our release timelines and solving any outstanding customer support issues recorded by the team in charge if need be.

Joining this company, was an awesome experience, working with very smart and curious individuals who stop at nothing to get the job done, their wits and love for technology kept me going.

Stack and Framworks we use:
PHP, Python, JavaScript, JQuery
php jquery json ajax
Working IT Solutions
May 2019 - Aug 2019 (3 months)
Greater Accra, Ghana
Software Development Consultant
My relationship with this organisation was a contract that spanned for 3 months and two weeks. Within this time I was the Lead Engineer on a project that aided agents in the collection of data on all connected farmers working under the supervision of the client's company. I and the team came up with a solution that on first hand, performs the responsiblities of a RESTful API but most importantly focused on offline first data stream storage.

This implementation, identified data files (Yaml) stored on unique devices registered on the platform, which at then uploaded when need be all in one request, data collected was managed by an Odoo (https://www.odoo.com) modelled dashboard specific to the project's requirements.

Lastly a USSD implementation for payment collection was also implemented, this delivered service purchases right into the hands of respective farmers who have opted for it.

My time with the team was an amazing one, I had the privilege of working with very smart individuals from whom I gain a lot of knowledge from.

Stack and Framworks Used:
Python, Dart, Odoo, Flutter, Docker, Kubernetes
python odoo
Cowtribe Inc
Jan 2019 - May 2019 (4 months)
Greater Accra, Ghana
Lead Software Engineer
My relationship with this organisation was a contract that spanned for 4 months and two weeks. Within this time I occupied the position of the lead engineer whereby I worked closely with the C.T.O (Chief Technology Officer) on our choice of technologies which then transitioned into the technical goals of the company.

Also I lead a team of two engineers (Frontend & Backend) with whom we developed a portal for managing Farmer information, Farmer orders, Mortality rate metrics for all animal farmers, Farm Animal Vaccination schedules, Vaccination Subscriptions and lastly and extensive sales metrics to measure the grow of services delivered

In this period I reported directly to the C.T.O and C.E.O (Chief Executive Officer) on update and proposal to maximize team and service growth.

My time with the team was an amazing one, I had the privilege of working with very smart individuals from whom I gain a lot of knowledge in context of business and project management.

Stack, Cloud Platform and Framworks Used:
PHP, Laravel, JavaScript, JQuery, Plotly JS, Bootstrap 4, AWS
Laravel php jquery javascript css html5
Flick Ocean LLC
Jan 2019 - Present (2 years 2 months)
Accra, Greater Accra Current workspace
Currently Jeffery Osei supports the Flick Ocean LLC

Jeffery Osei's scores will be added to this company.

Engineering Team Lead
This is a company started with the aim of delivering and developing trusted technologies to clients who require to move fast and stay on track to quickly meet their business demands. We gear our clients with the right tools to stay on top among their peers. Contact us today!
php javascript nodeJS firebase firestore
Vanguard Assurance
Jan 2019 - Feb 2019 (1 month)
Greater Accra, Ghana
Software Engineer
My relationship with this organisation was a contract that spanned for 2 months and one week. Within this time I worked as a software engineer under the supervision of my manager in charge of my department at the time.

My responsiblity was to optimize and update the "underwriting" (term used in the insurance space as a way of registering or insuring a property of a client) module which allowed multi-level verification and travelled between departments from the lower level to the upper level then closed off and taken over by the finance team in charge.

Lastly I closed off a document viewer which formatted "PDF" (Sharable Document format) files to be viewed directly on the same page but within its own modal element.

My time with the team although was brief but it was an amazing one, I had the privilege of working with very smart individuals from whom I gain a lot of knowledge from in context of insurance and property management.

Stack Used:
PHP, JavaScript, JQuery
php jquery
Ek Brandconsult
Oct 2017 - Sep 2018 (11 months)
Greater Accra, Ghana
Lead Software Engineer
My relationship with this organisation was full-time that spanned for one year. Within this time I occupied the position of the Lead Software Engineer whereby I worked closely with the C.E.O (Chief Executive Officer) on which technologies best fit the deliverables requested by our clients.

I was in charge of heading the development team in building and engineering a product that aided the operations, sales and development teams uniformly exchange information to aid in delivering quality service at all times.

This platform, played the role of generating a content management system (CMS) as a website that provided the services and pages below:

- eCommerce
- Blog
- Job Board
- Home
- About
- Contact

Each website generated sent out notifications to the respective teams in charge of handling requested modifications by the customer thereby freeing up the developement team to work on high level projects that helped maximize profits.

My time with the team was an amazing one, I had the privilege of working with very smart individuals from whom I gain a lot of knowledge in context of business and project management.

Stack, Cloud Platform and Framworks Used:
PHP, Laravel, JavaScript, JQuery, Bootstrap 3, Microsoft Azure, WordPress, BitBucket
Laravel php javascript jquery
Softbound
Oct 2017 - Dec 2017 (2 months)
Greater Accra, Ghana
Freelance Software Developer
My relationship with this organisation was a contract that spanned for 3 months and two weeks. Within this time I occupied the position of a freelance software developer whereby I worked closely with the C.E.O (Chief Executive Officer) on our choice of technologies which then transitioned into the technical goals of the company.

My main role was to solely engineer a bulk sms and email platform that delivered bespoke service to its customers and resellers. The agreement had deliverable set for every week, where we jump on a google hangouts call and iterate one what task(s) has been completed and map that to our launch dates.

My time with the team was an amazing one, I had the privilege of working with a very smart individual from whom I gain a lot of knowledge in context of business, project management and sales.

Stack, Cloud Platform and Framworks Used:
PHP, Laravel, JavaScript, JQuery, BitBucket
php javascript jquery
Lead Loggers
10 years 6 months
Remote
Founder
Jan 2014 - Jul 2018 (4 years 6 months)
When I had my "Aha!" moment, I jumped online, joined reddit, facebook and twitter to meet new people with interest in computer science. I met and built a team with:

Eros - Rwanda
Consolee - Rwanda
Claude - China
Billy - Rwanda

We scheduled a call twice every week to review our solutions and explain to everyone how we got that solution and also answer all questions team mates had. A new problem was always chosen once the meeting ended.

My time with these individuals was an amazing one, I had the privilege of solving problems with very smart individuals from whom I gain a lot of knowledge from in context of procedural programming.

Stack Used:
PHP, C++, Java, Python
python php
Founder & Lead Developer
Jan 2013 - Jan 2019 (6 years)
This was an initiative started by a few friends and I to basically aid each other to grow our programming knowledge. We mostly looked for challenges from google which involved entry level algorithms and tried solving with any language we are proficient in.

It was an amazing experience for me in growing my logical skills in programming.

My time with these individuals was an amazing one, I had the privilege of solving problems with very smart individuals from whom I gain a lot of knowledge from in context of procedural programming.

Stack Used:
PHP, C++, Java, Python
python javascript

Portfolio

Add some compelling projects here to demonstrate your experience
Invoisify
Jan 2019 - Present
Flick Ocean Limited
An open-source invoicing platform
javascript nodeJS reactjs firebase firestore
Genova
Jan 2019 - Mar 2019
Vanguard Assurance Company
An insurance management system
javascript php jquery null
uGotext
Oct 2017 - Dec 2017
Softbound
A complex and dynamic SMS delivery platform
php Laravel javascript null
Sync API
Feb 2019 - May 2019
Cowtribe Inc
A offline centered micro service for data manipulation and query.
javascript php Laravel null
Ek-Core
Jan 2018 - Mar 2018
A website generator built and delivered to Ek-Brandconsult

Education

This section lets you add any degrees or diplomas you have earned.
Oti Boateng Senior High School
High School Diploma, Accounting and Business/Management
Jan 2010 - Dec 2013

Certificates

LinkedIn
Learning C++
Sep 2020
LinkedIn
Ken Blanchard on Servant Leadership
Aug 2020
HackerRank
Python (Basic) Certificate
Nov 2020

Sources