Interfaces designed for real work, not just surface-level presentation.
Available for full stack, SaaS & API work
Build bold
software
that moves business.
I'm Sterns Chatambalala — a full stack engineer, Android developer, and builder of practical SaaS systems. I design calm products for complex operations: finance, stock, hospitality, IoT, and data-driven platforms.
01 / SIGNAL
Product feel matters, but the real differentiator is software that can handle pressure: inventory, approvals, payments, teams, reporting, and growth without becoming chaotic.
Python full stack
Kotlin Android
Cyber security
IoT + ML
Data analysis
API engineering
Lilongwe, Malawi
Local & remote teams
Full Stack Engineer
Systems builder
Strength zone
Turning complex business operations into clean digital products teams can actually use.
Current focus
Multi-product SaaS with strong API, operations and reporting layers.
Python
JavaScript
Django
React
Kotlin
Java
PHP
MySQL
REST APIs
Git
7+Products & platforms built
4+Years of end-to-end system delivery
SaaSFinance, stock, hospitality & ops products
Full FlowArchitecture, APIs, UI and operational support
Architecture that respects reporting, state, roles, inventory, and scale.
Web, Android, APIs, security awareness, analytics, IoT, and product judgment.
About
Builder of practical systems, not just pretty screens.
I work best where software has to carry real operational weight. Finance products, warehouse systems, customer workflows, hospitality tools, mobile experiences, and the APIs behind them. I like products that reduce friction, improve reporting, and help teams stay fast without losing control.
My edge is the combination of full stack execution, systems thinking, cybersecurity awareness, networking knowledge, Android development in Kotlin, and willingness to push into IoT, machine learning and intelligent automation when the product genuinely benefits from it.
NameSterns Chatambalala
LocationLilongwe, Malawi
Emailsternschatambalala@gmail.com
Phone / WhatsApp0993766185
RoleFull Stack Engineer · Systems Builder
SpecialtiesSaaS, APIs, operations systems
Current energyEnterprise-grade products with clean UX
Expertise
A stack shaped
by shipping.
The strongest pattern in my work is translating operations into software: accounts, stock movement, support context, bookings, construction flow, hiring marketplaces, reporting, and secure API ecosystems.
Full Stack Development
Python-centered backend delivery with solid frontend execution for products that need clarity, reliability, and speed.
PythonDjangoJavaScriptReact
API Engineering
Designing service layers and integrations that keep products connected across finance, support, sales, reporting and third-party tools.
REST APIsIntegrationsAuthData Flow
Android & Product Mobility
Building mobile-ready experiences and Kotlin-based product capability where field work and operational access matter.
KotlinAndroidField ToolsMobile UX
Cyber Security & Networking
Security-aware architecture with practical hardening, authentication thinking, and infrastructure discipline.
JWTOWASPNetworkingSecure Design
IoT, ML & Edge Innovation
Applying modern capabilities where they add leverage — from machine learning thinking to intelligent workflows and device-aware systems.
IoTMLAutomationEmerging Tech
Data Analysis & Decision Support
Reporting-oriented systems that make operations visible through dashboards, trends, balances, client history and performance signals.
AnalyticsDashboardsReportingInsights
Featured Projects
Products with real
operational depth.
Not generic demos. These are systems that coordinate sales, stock, bookings, clients, warehouses, finance, reporting and user workflows.
Live system
LoansStockSalesClients
Finance + Operations SaaSLive Product
CRILM
A customer relation and lending operations platform for Namureli — designed to keep field activity and branch work in one calm workspace. Supports loan management, repayment visibility, inventory flow, stock transfers, sales and client relationship context.
LoansCollectionsInventoryPOSClient Profiles
Core WinOne calmer workspace for branch and field activity
FocusRepayments, warehouse flow, sales and support context
Live product
BooksReportingFinanceBusiness Ops
Accounting PlatformLive Product
PezaBooks
An accounting tool in the spirit of QuickBooks, built to help businesses manage books, track financial movement, stay organized around reporting, and simplify how day-to-day accounting information flows through the business.
AccountingBookkeepingReportingBusiness Finance
Core WinQuickBooks-style organization for daily accounting flow
FocusClear financial movement and reporting rhythm
Core platform
WarehousesTransfersControlVisibility
Warehouse SaaSCore Product
PezaStock
A stock and warehouse management platform for organizations that need reliable movement tracking across inventory, storage, transfers and operational visibility. Shaped around accuracy, accountability and usable control.
WarehousesStock ControlTransfersOperations
Core WinReliable stock movement and accountability
FocusInventory accuracy across storage and transfer flow
Brand site
LuxuryDiningPresenceAtmosphere
Hospitality PlatformLive Product
Deaosis
A restaurant and hospitality site experience for a luxury-oriented brand, crafted to reflect reputation, atmosphere and service quality while supporting a modern digital presence for De Oasis Grill.
HospitalityRestaurantBrand WebExperience
Core WinDigital presence aligned with reputation
FocusVisual trust, hospitality feel and brand polish
GitHub build
FashionBookingsOrdersTailoring
CommerceActive Build
Excellent Fits
A tailor-made commerce platform for customized products, blending product browsing, bookings and ordering into a cleaner customer journey for a fashion and fitting business.
BookingsTailored ProductsE-commerce
Core WinCleaner customer path for custom ordering
FocusTailor-made sales with booking convenience
GitHub build
JobsHiringProfilesMatching
MarketplaceActive Build
Job Connect
A job marketplace connecting employers and job seekers through a more direct workflow for opportunity discovery, candidate visibility and hiring movement.
JobsEmployer ToolsApplicant Flow
Core WinDirect bridge between employers and seekers
FocusOpportunity discovery and hiring momentum
GitHub build
ArchitectureWarehousesAuditsRecords
Construction FlowActive Build
Build Flow
A platform for architects and construction-focused teams: design support, warehouse handling, employee coordination, auditing, records and implementation structure in one operational flow.
ArchitectureConstructionAuditingRecords
Core WinOne flow for design, implementation and records
FocusConstruction support beyond simple showcasing
No projects match this filter yet. Switch to another lane to see more of the portfolio.
Why This Works
How I approach products
- I build around workflow clarity first, then polish the interface so teams move faster with less confusion.
- I pay attention to operational detail: branches, warehouses, balances, support history, records and role boundaries.
- I like turning fragmented tools into one dependable environment with cleaner reporting and fewer bottlenecks.
What strengthens my profile
- Range across web, Android, backend, APIs, security thinking, data analysis and emerging systems work.
- Proof of practical delivery in finance, stock, hospitality, commerce, recruitment and construction-related workflows.
- A portfolio that shows both technical depth and product judgment — what stronger clients and employers notice most.
Process
Understand the workflow
I start with the real movement behind the product: users, records, approvals, stock, money, branches, bookings or reporting pressure.
Architect for reality
I design systems so they can handle operational detail cleanly, instead of looking good only at the surface layer.
Build with clarity
I aim for interfaces that feel calm and usable while the backend, API and reporting logic carry the real complexity.
Support growth
The goal is not just launch. It is to create software that can keep serving teams as operations get larger and more demanding.
Contact
Ready for serious
product work.
If you need a developer who can think past the feature and into the whole system, let's talk. I'm especially strong where software has to coordinate money, movement, records, people and reporting.
"Strong fit for founders and teams who need more than page-building — systems, product judgment, architecture, integrations and real operational awareness."
Works acrossSaaS, accounting, stock, hospitality, recruitment, construction
Best used forProduct execution, system design, APIs, scaling workflows
Extra rangeAndroid, networking, cyber security, IoT, ML
Bring me in where the product has to do real work.
That is where I create the most value: systems with operational depth, sharper reporting, stronger logic, and an interface that makes complexity feel manageable.