Hero

Hello,
This is Samuel Mutemi Mwangangi , I'm a Professional Software Engineer.

name:'Samuel Mutemi',
skills:['Java', 'SpringBoot', 'Typescript', 'Express', 'NestJS', 'MySql', 'MongoDB', 'Docker', 'AWS'],
hardWorker:true,
quickLearner:true,
problemSolver:true,
hireable:function() {
return(
this.hardWorker&&
this.problemSolver&&
this.skills.length>=5
);
};
};

Who I am?

Samuel Mutemi is a Backend Engineer with broad fintech expertise, having contributed to mission-critical platforms across payments, lending, banking, and bulk disbursements. He has designed and scaled high-volume systems handling millions in daily transactions, from integrating first-in-region payment solutions like VISA Click-to-Pay and Apple Pay Online to building advanced lending and cooperative banking platforms. Passionate about reliability and impact, Samuel specializes in building distributed, secure, and high-performance financial systems.

Samuel Mutemi
Hero
Experiences
Hero

(Feb 2025 - Present)

Founder & Lead Engineer

Byteloop Africa

Hero

(Oct 2022 - Present)

Software Engineer

Dibsy

Hero

(Jun 2019 - Sept 2022)

Software Engineer

Tangazoletu Limited

Hero

(Jan 2018 - May 2019)

Fullstack Developer

Freelance

Skills
PROJECTS

Online Payments Platform (Middle East)

name:'Online Payments Platform (Middle East)',
tools: ['Java', 'AWS', 'Kafka', 'NodeJs],
myRole:Software Engineer,
Description: Built and optimized the core backend payments infrastructure for a high-volume platform handling 4+ TPS and USD 10M+ yearly volume. Integrated multiple gateways, enabled smooth refunds, AI-driven fraud detection, and distributed architecture. Achieved first-in-region integrations: VISA Click-to-Pay (Middle East & Africa) and Apple Pay Online (Qatar).,
};

Lending Engine (Kenyan Bank)

name:'Lending Engine (Kenyan Bank)',
tools: ['Java', 'Linux', 'Rabbit MQ', 'NodeJs],
myRole:Software Engineer,
Description: Developed backend for a lending platform with bulk disbursement, an advanced scoring engine using 30+ data points, and automated reporting. Powered disbursements of KES 10M+ daily.,
};

Full featured Mobile Banking Platform (Cooperative Societies)

name:'Full featured Mobile Banking Platform (Cooperative Societies)',
tools: ['Java', 'Linux', 'Rabbit MQ', 'NodeJs', 'Angular', 'Ionic],
myRole:Full Stack Engineer,
Description: Engineered a high-volume platform transacting KES 1.5B+ annually across 20+ cooperatives. Delivered features including micro-lending with advanced credit scoring, deposits, and withdrawals. Contributed full-stack: backend, frontend, and complete mobile app reimplementation.,
};

Bulk Funds Disbursement Platform

name:'Bulk Funds Disbursement Platform',
tools: ['Java', 'Linux', 'Rabbit MQ', 'NodeJs', 'Angular', 'Ionic],
myRole:Software Engineer,
Description: Led backend development of a secure, high-throughput disbursement system capable of KES 400M+ daily payouts to 200k+ beneficiaries, with an advanced approval and security framework.,
};
Hero
Educations
Hero

2015 - 2021

Bachelor's Degree - Computer Science

Kenyatta University

Hero

2011 - 2014

Secondary School Certificate

Moi Forces Academy - Nairobi

Blogs

7 months ago

1

The Fast Lane to Software Failures: Why We Need a New Approach

2 Min Read

In today’s tech world, the phrase "move fast and break things" is practically a badge of honor. It's...

7 months ago

0

Stop Using Keycloak Like a Basic Auth Server—Try These Features

3 Min Read

Keycloak is widely recognized as a powerful open-source Identity and Access Management (IAM)...

4 months ago

1

Microservices or Micro-progress? The Perils of Pre-Scaling Too Soon

2 Min Read

The Grand Illusion of "Future-Proof" Code Ah, the siren song of scalability. It whispers...

1 years ago

4

Running Keycloak on Docker for the First Time

3 Min Read

Introduction Keycloak is an open-source identity and access management solution designed for modern...

7 months ago

3

1

Mistakes Are Part of the Dev Environment: It's How You Handle Them That Counts

3 Min Read

“To err is human, to debug divine.” If you’ve been writing code for any stretch of time, you’ve...

7 months ago

0

Passwords Are a Ticking Timebomb—And These Breaches Prove It

2 Min Read

Passwords have been the default authentication method for decades, but their flaws are more dangerous...

Contact with me

If you have any questions or concerns, please don't hesitate to contact me. I am open to any work opportunities that align with my skills and interests.

iammutemi@gmail.com

+254724049955

Nairobi, Kenya

© Developer Portfolio by Samuel Mutemi