Software Engineer
@ AmazonSep 2024 — Present United Kingdom
Building and operating large-scale, high-availability services for Amazon's global customers.
JavaAWSDistributed SystemsMicroservices
Available for new opportunities
Hi, I'mSamuel Agbesinyale
aSoftware Engineer
Software engineer with 10+ years building products that impact people's lives — across fintech, healthtech, agritech, and e-commerce at global scale.
About
A bit about who I am
I'm a software engineer with over ten years of experience building products that make a real difference in people's lives. My work spans fintech, healthtech, agritech, and large-scale e-commerce — across mobile, web, and backend systems.
I started out crafting native Android apps and grew into designing and operating high-availability services at global scale. I care deeply about clean engineering, operational excellence, and shipping software that customers genuinely love to use.
10+
Years building
10M+
Users reached
Customer obsession
I start from the user and work backwards. The best products come from deeply understanding the people they serve.
Operational excellence
I build for reliability and scale, sweating the details that keep systems fast, stable, and trustworthy.
Bias for action
Momentum beats perfection. I ship real things, learn from real usage, and iterate with intent.
Build with people
Great work happens in great teams. I communicate openly, mentor others, and raise the bar around me.
Experience
Where I've made an impact
A track record of shipping meaningful work and growing with the teams I join.
Software Engineer
@ AndelaDec 2021 — Sep 2024 Remote
Partnered with global engineering teams to deliver production software for international clients.
TypeScriptKotlinREST APIs
Software Engineer
@ LeagueMar 2022 — Nov 2023 Toronto, Canada (Remote)
Built features for a healthcare consumer platform powering experiences for health plans and their members.
TypeScriptReactREST APIs
Staff Software Engineer
@ mPharmaSep 2021 — Sep 2023 Greater Accra, Ghana
Built software to expand reliable access to medicines across a pan-African pharmacy network.
KotlinAndroidBackend
Senior Software Engineer
@ Farmerline GroupMay 2021 — Apr 2022 Accra, Ghana
Built platforms connecting smallholder farmers to quality inputs, training, and markets.
AndroidKotlinWeb
Android Developer → Senior Android Developer
@ expressPay GhanaSep 2018 — Aug 2021 Ghana
Built and led development of native Android apps powering everyday payments for thousands of users.
JavaKotlinAndroidXML
Projects
Apps I've helped ship
A selection of products I've contributed to across fintech, healthtech, and agritech — collectively downloaded over 11 million times on Google Play.
AmazonLifestyle
Ring — Always Home
The companion app for Ring's video doorbells, cameras, and alarm systems — live HD video, instant motion alerts, and two-way talk to keep an eye on home from anywhere.
10M+
downloads on Google Play
AndroidMobile
LeagueMedical
PC Health
A health-coaching app that connects Canadians to pharmacists and personalized programs for managing chronic conditions, with reminders and guidance between visits.
1M+
downloads on Google Play
AndroidKotlin
expressPay GhanaFinance
expressPay
Ghana's everyday payments app for instant money transfers, airtime, data, and bill payments across all major mobile-money networks and cards.
500K+
downloads on Google Play
AndroidJavaKotlin
LeagueMedical
My Highmark
A members' app to manage health-plan benefits, find and access virtual care, and follow a personalized daily journey of activities, content, and support.
100K+
downloads on Google Play
AndroidKotlin
FarmerlineTools
Mergdata
Farmerline's offline-first survey and data-collection platform with GPS and traceability features, built to reach farmers at scale.
10K+
downloads on Google Play
AndroidKotlin
LeagueBusiness
League — Better Benefits
A digital wallet and health-benefits platform with real-time chat, easy claims, step-by-step health programs, and rewards.
10K+
downloads on Google Play
AndroidKotlin
FarmerlineProductivity
GROW by Farmerline
An app for agricultural aggregators and input dealers to manage sales, orders, and customer relationships — even fully offline.
1K+
downloads on Google Play
AndroidKotlin
FarmerlineProductivity
Mergdata Education
An app that delivers up-to-date agronomic best practices and educational content to users in the field.
1K+
downloads on Google Play
AndroidKotlin
Combined reach of 11M+ downloads across the apps above.
Skills
Tools of the trade
The technologies and disciplines I reach for to turn ideas into polished products.
Languages
KotlinJavaTypeScriptJavaScriptC#SQL
Mobile
AndroidKotlinJetpackJavaXML
Backend & Cloud
AWSREST APIsMicroservicesDistributed Systems
Web
ReactNext.jsHTMLCSS
Practices
System DesignCode ReviewMentorshipAgile
KotlinJavaTypeScriptJavaScriptC#SQLAndroidKotlinJetpackJavaXMLAWSREST APIsMicroservicesDistributed SystemsReactNext.jsHTMLCSSSystem DesignCode ReviewMentorshipAgileKotlinJavaTypeScriptJavaScriptC#SQLAndroidKotlinJetpackJavaXMLAWSREST APIsMicroservicesDistributed SystemsReactNext.jsHTMLCSSSystem DesignCode ReviewMentorshipAgile
Contact
Let's build something great
Have a project, role, or idea in mind? I'd love to hear about it. Drop a message or reach me directly.