Lekealem Asong - Lead Developer

Q: Where is Lekealem based?

Lekealem is based in Oberhausen, Germany .

Q: What languages does Lekealem speak?

Lekealem speaks the following languages: English (Advanced), German (Elementary) .

Q: How many years of experience does Lekealem have?

Lekealem has at least 16 years of experience. During this time, Lekealem has worked in at least 8 different roles and for 9 different companies . The average length of individual experience is 2 years and 9 months . Note that Lekealem may not have shared all experience and actually has more experience.

Q: What is Lekealem's latest experience?

Lekealem's most recent position is Lead Developer at Sayway GmbH .

Q: What companies has Lekealem worked for in recent years?

In recent years, Lekealem has worked for Sayway GmbH , Nulegal , Globalchanger GmbH , Freeyou AG , and SMS Digital GmbH .

Q: Which industries is Lekealem most experienced in?

Lekealem is most experienced in industries like Information Technology (IT) , Food and Beverage , and Energy .

Q: Which business areas is Lekealem most experienced in?

Lekealem is most experienced in business areas like Information Technology (IT) , Product Development , and Business Intelligence . Lekealem also has some experience in Human Resources (HR) , Research and Development (R&D) , and Project Management .

Q: Which industries has Lekealem worked in recently?

Lekealem has recently worked in industries like Information Technology (IT) .

Q: Which business areas has Lekealem worked in recently?

Lekealem has recently worked in business areas like Information Technology (IT) , Product Development , and Business Intelligence .

Recommended expert

Oberhausen, Germany

Experience

Aug 2025 - Present

7 months

Lead Developer

Sayway GmbH

Developed and tested software features for the SayWay app.
Provided code reviews and guidance to support team development.
Planned, coordinated, executed, and tested projects on the SayWay software platform.
Programmed and tested backend and frontend software features for the SayWay software platform.
Collaborated closely with IT and company management to strategically enhance the SayWay software platform.

Mar 2025 - Jul 2025

5 months

Software Developer (Freelance)

Nulegal

Implemented infrastructure on GCP with Terraform
Created MVP of full stack app using Next.js, TypeScript, and PostgreSQL
Offered code reviews and guidance for Python-based AI agent service

Aug 2024 - Feb 2025

7 months

Senior Software Developer (Freelance)

Globalchanger GmbH

Conceived, developed, and maintained Ruby on Rails backend and Vue.js frontend in collaboration with cross-functional team
Contributed to software architecture and data modeling initiatives
Facilitated pair programming sessions and mentored junior developers

Jul 2022 - Jul 2024

2 years 1 month

Senior Software Developer / Data Engineer

Freeyou AG

Implemented ETL processes with Ruby, Python, dbt and AWS services for data warehouse operations.
Developed scalable APIs in Python, FastAPI, and GraphQL to facilitate data access for other teams.
Optimized SQL queries to enhance database performance and maintain data integrity.
Developed interactive dashboards using PowerBI and Streamlit to visualize key performance indicators (KPIs) specific to each team and the company.
Involved in pair programming sessions

Sep 2019 - Jun 2022

2 years 10 months

Full Stack Developer

SMS Digital GmbH

Developed web applications for both backend and frontend in Ruby and Angular.js respectively.
Used Python to create connectors for extracting data from customers' Microsoft SQL databases and loading it into the cloud.
Implemented machine learning algorithms to identify data relationships.

Apr 2017 - Aug 2019

2 years 5 months

Full Stack Developer

OpusCapita Software GmbH

Developed and maintained microservices and RESTful APIs with React.js, Express.js, and Node.js.
Implemented and maintained libraries utilized by multiple services.
Evaluated new technologies and practices to enhance code quality and design.

Feb 2016 - Mar 2017

1 year 2 months

Software Developer

Marley Spoon GmbH

Developed web applications encompassing both frontend and backend components, contributing to the design, construction, and upkeep of Marleyspoon's extensive platform infrastructure.
Assessed innovative technologies and methodologies to enhance application functionality and drive business growth.

Jun 2011 - Jan 2016

4 years 8 months

Mathematician and Software Developer

InVision AG

Developed cloud SaaS workforce management suite using Ruby on Rails and various technologies across integrated systems.
Evaluated, developed, and implemented forecasting models.
Enhanced software functionality by conducting data analysis and statistical modeling with Python.

Apr 2010 - Feb 2011

11 months

Intern and Thesis Student

Vattenfall Energy Trading GmbH

Researched and applied multivariate statistical methods to forecast electricity price contributors for thesis.
Created a tool to predict the volume of electricity generated by Vattenfall power plants in Germany.
Developed a model to forecast electricity demand in Germany.
Contributed to the development of a model for predicting electricity spot prices in Germany.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (13.5 years), Food and Beverage (1 year), and Energy (1 year).

Information Technology

Food and Beverage

Energy

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (14.5 years), Product Development (7 years), Business Intelligence (6.5 years), Human Resources (4.5 years), Research and Development (1 year), and Project Management (0.5 years).

Information Technology

Product Development

Business Intelligence

Human Resources

Research and Development

Project Management

Summary

Work hard at work, are always ready to help and like to have fun at work and out of work.

Prides itself in diversity of people and thinking. A company that has a clear goal and financially stable.

Skills

Sustainability
Insurance
Manufacturing
B2b
B2c
Food
Energy
Aws
Typescript
Python
Ruby
Terraform
Data Analysis
Vue.js
Ruby On Rails
Gcp
Postgres
Next.js
Heroku
Docker
Graphql
Mysql
Mathematical Modelling

Languages

English

Advanced

German

Elementary

Education

Sep 2008 - Apr 2011

Bergische Universitat Wuppertal

Master of Science, Specialization in Financial Mathematics · Computer Simulation In Science · Wuppertal, Germany · 1,9

Sep 2004 - Aug 2007

University of Buea

Bachelor of Science, Minor in Computer Science · Mathematics · Buea, Cameroon · G.P.A. of 3.10 on a scale of 4

Profile

Created

November 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Lekealem based?

Lekealem is based in Oberhausen, Germany.

What languages does Lekealem speak?

Lekealem speaks the following languages: English (Advanced), German (Elementary).

How many years of experience does Lekealem have?

Lekealem has at least 16 years of experience. During this time, Lekealem has worked in at least 8 different roles and for 9 different companies. The average length of individual experience is 2 years and 9 months. Note that Lekealem may not have shared all experience and actually has more experience.

What roles would Lekealem be best suited for?

Based on recent experience, Lekealem would be well-suited for roles such as: Lead Developer, Software Developer (Freelance), Senior Software Developer (Freelance).

What is Lekealem's latest experience?

Lekealem's most recent position is Lead Developer at Sayway GmbH.

What companies has Lekealem worked for in recent years?

In recent years, Lekealem has worked for Sayway GmbH, Nulegal, Globalchanger GmbH, Freeyou AG, and SMS Digital GmbH.

Which industries is Lekealem most experienced in?

Lekealem is most experienced in industries like Information Technology (IT), Food and Beverage, and Energy.

Which business areas is Lekealem most experienced in?

Lekealem is most experienced in business areas like Information Technology (IT), Product Development, and Business Intelligence. Lekealem also has some experience in Human Resources (HR), Research and Development (R&D), and Project Management.

Which industries has Lekealem worked in recently?

Lekealem has recently worked in industries like Information Technology (IT).

Which business areas has Lekealem worked in recently?

Lekealem has recently worked in business areas like Information Technology (IT), Product Development, and Business Intelligence.

What is Lekealem's education?

Lekealem holds a Master in Computer Simulation In Science from Bergische Universitat Wuppertal and a Bachelor in Mathematics from University of Buea.

What is the availability of Lekealem?

Lekealem is immediately available full-time for suitable projects.

What is the rate of Lekealem?

Lekealem's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.