Black and white portrait of Papa Alioune Badara DIALLO, half of the face cut on its axis

Dakar, Senegal

01 / 08

Papa Alioune Badara DIALLO

Tech Lead & Senior Fullstack Engineer

Available · remote missions (Europe) & Dakar

8+ years · Fintech · GovTech · SaaS
Next.js · NestJS · React Native · PostgreSQL
France · Belgium · Senegal

02 · Author's note

p. 02

Profile

8+years of experience
4–6developers led
4payment methods integrated
< 15 mindeployment time

Fullstack engineer with more than 8 years of experience designing and shipping high-impact web and mobile applications in Fintech, GovTech and SaaS.

Proven track record leading multidisciplinary technical teams, establishing Agile/Scrum practices and deploying production systems that integrate payment gateways, AI modules and third-party APIs.

Works both as an expert individual contributor and as a tech lead. Passionate about clean architecture, developer experience and scalable cloud deployments.

Dakar · remote Europe · FR / EN

Next.js
NestJS
React Native
PostgreSQL
Docker
Stripe
Wave
Orange Money

03 · Service record

p. 03

Experience

2021 to 2025Jul. 2021 – May 2025Beydgroup SAFullstack Developer · Lead Dev · Tech Lead
Achievements
Technical leadership of a team of 4 to 6 developers: sprint facilitation, code reviews, technical roadmap and software quality follow-up.
Design and development of a complete inventory management system with an integrated POS module, cutting manual stock handling by ~80% for retail clients.
Integration of Wave, Orange Money, Free Money and Stripe mobile money solutions in several production applications, covering the full payment cycle.
CI/CD pipelines with Docker and Nginx, bringing deployment time from several hours down to under 15 minutes.
Rollout of Agile/Scrum practices within the team, improving sprint predictability and on-time delivery.
Stack
Node.js
React
PostgreSQL
Docker
Nginx
Wave
Orange Money
Stripe
2021 to 2023Jul. 2021 – Jul. 2023Baamtu DatamationFullstack Developer · Lead Dev · Tech Lead
Achievements
Co-led an engineering team delivering web and mobile solutions for enterprise clients.
Integrated AI modules (NLP, document analysis) into production platforms, extending the products' core features.
Mentored junior developers on architecture best practices and quality standards.
Stack
Node.js
React
Python
NLP
2021 to 2021Mar. 2021 – Jun. 2021AgileWay InternationalFullstack Developer
Achievements
Built management tools for Senegalese SMEs on behalf of ADEPME, including financial modules: accounting journals, financial statements and bookkeeping.
Java Spring Boot back-end architecture paired with a modern JavaScript front-end.
Stack
Java
Spring Boot
JavaScript
2020 to 2021Dec. 2020 – Feb. 2021Sénégal Numérique SA (ex-ADIE)Fullstack Developer · Lead Dev
Achievements
Contributed to the architecture and development of “Sénégal Services”, the digital public services portal serving millions of citizens.
Integrated multiple government APIs and supervised the application architecture in a highly regulated environment.
Stack
Node.js
React
REST API
2018 to 2020Oct. 2018 – Dec. 2020TouchSolutionsFullstack Developer
Achievements
Co-developed AgriCash, a Mobile Money platform for farming communities: public APIs, SDKs, web portal and mobile apps.
Integrated payment, airtime top-up and bill payment services, contributing to the financial inclusion of rural West Africa.
Wrote the technical documentation and the SDKs used by third-party integrators.
Stack
Node.js
React Native
PostgreSQL
REST API
Wave
Orange Money

p. 04

Education

2017 to 2019
Master's in Software Engineering & Network Administration
ESTM, Dakar
2015 to 2017
Bachelor's in Software Engineering & Network Administration
ESTM, Dakar
2012 to 2015
Baccalauréat S2 (science track)
With honours
Groupe Scolaire Saldia, Dakar

05 · On assignment

p. 05

Freelance

Frontend, fullstack and mobile missions for French and Belgian companies and Dakar startups.

Europe · Diot-Siaci

Frontend Developer

(FR) · 2025

Insurance consulting and brokerage firm, subsidiary of the Siaci Saint Honoré group. Mission focused on internal AI tools for analysing complex documents (contracts, insurance policies, brokerage reports).

Built UI components for an AI-powered document analysis tool, letting analysts process large files with automated assistance.
Improved the UX of analysis workflows: restructured AI result views, contextual highlighting and section navigation.
Worked closely with product and data science teams to turn model outputs into interfaces usable by non-technical staff.

React.js
TailwindCSS
TypeScript
REST API

Europe · Scriptor Artis

Fullstack / Frontend Developer

(FR) · 2023 – 2024

French startup building SaaS products around generative AI and productivity tools for content creators and marketing teams.

Devana AI — AI SaaS platform: full front-end development (Next.js), Stripe subscription funnel (free trial, upgrade, cancellation, billing), subscription states and per-plan access.
Clavus CRM — fullstack CRM: database schema design, NestJS API, contact management interfaces, deal pipelines and dashboards. Stripe subscriptions with a customer billing portal.
CI/CD deployment with Docker on a VPS, Nginx configuration and automatic SSL.

Next.js
NestJS
PostgreSQL
Stripe
TailwindCSS
Docker

Europe · itforgood

Fullstack Developer

(BE) · 2025

Belgian NGO building a digital solidarity platform connecting donors, volunteers and organisations helping homeless people.

End-to-end design and development: organisation sign-up, solidarity action profiles, donor/volunteer/organisation matching.
Online donation module with Stripe integration and automatic tax receipts.
Geolocation of solidarity actions near the user.

Next.js
NestJS
PostgreSQL
Stripe
TailwindCSS
Mapbox

Dakar · Apix

Lead Tech - Lead Dev

(SN) · 1

Forum Invest In Senegal (FII) 2025

NextJS - React Native
Cloudflare - AWS

Dakar · Tiak-Tiak Delivery

Mobile Developer

(SN) · 2025

On-demand delivery service based in Dakar, serving individuals and merchants with fast urban delivery.

Customer mobile app (React Native): delivery ordering, real-time courier tracking, order history, ratings.
Driver mobile app: receiving and accepting jobs, built-in GPS navigation, delivery status, earnings history.
Push notifications (Firebase) for real-time status updates; mobile payment API for in-app settlement.

React Native
Expo
NestJS
WebSocket
Google Maps API
Firebase
Mobile Money API

Dakar · APIX — Vision Sénégal 2050

Fullstack Developer

(SN) · 2025

National agency for investment promotion and major works. Official platform for tracking the strategic projects of the 2050 national development plan.

Application architecture: projects, indicators, reports and users modules; data models and business flows.
NestJS + PostgreSQL back-end with JWT authentication, role management (admin, project lead, consultant) and a secured REST API.
Next.js front-end: per-project dynamic dashboards, progress KPI visualisation, exportable reporting module.
Scalability and security work: rate limiting, audit logs, containerised deployment on a VPS.

Next.js
NestJS
PostgreSQL
Docker
CI/CD
TailwindCSS

Dakar · Ministère des Sports

Fullstack Developer

(SN) · 2024

Central portal bringing together all Senegalese national sports federations — more than 30 — under a single interface.

Admin portal: centralised management of federation profiles, news, competitions and licences.
Responsive public interfaces for each federation with consistent navigation.
Internal search engine and filtering by discipline, region and status.

Next.js
Laravel
MySQL
TailwindCSS

Dakar · BNDE

Frontend Developer

(SN) · 2024

National Bank for Economic Development. New SPI (integrated payment system) banking application for retail and business customers.

Front-end modules: customer dashboard, accounts and transactions, transfers, statement downloads.
Integration of secured banking APIs (strong authentication, JWT tokens, sensitive data encryption).
Performance and accessibility optimisation for multi-device use.

React.js
TypeScript
TailwindCSS
REST API

06 · Feature

p. 06

Projects

01 · TouchSolutions

AgriCash — Mobile Money Platform

Context: Mobile money solution for West African farming communities, aiming at the financial inclusion of rural populations left out of traditional banking.
Work: Public REST APIs and SDKs for third-party integrators.
Web portal for administration and transaction supervision.
Mobile app (iOS & Android) for end users.
Payment, airtime top-up and bill payment services (Wave, Orange Money).
Complete technical documentation of the APIs and SDKs.
Impact: Active contribution to the financial inclusion of thousands of farmers.
Platform deployed in production with several partner telecom operators.
Stack: Node.js
React Native
REST API
PostgreSQL
Wave
Orange Money

02 · APIX

Vision Sénégal 2050 — Strategic Tracking Portal

Context: Official government platform for steering and tracking the structural projects of Senegal's 2050 national development plan. Stakes: transparency, security and accessibility for public decision-makers.
Work: Full application architecture (back-end, front-end, database, authentication).
Role and access management (admin, project lead, consultant, reader).
Dynamic dashboards with per-project progress KPIs.
Exportable reporting module (PDF, Excel) for government bodies.
Secured, scalable deployment on cloud infrastructure.
Impact: Platform deployed and used by APIX teams and government stakeholders for the operational tracking of national projects.
Stack: Next.js
NestJS
PostgreSQL
Docker
CI/CD
TailwindCSS
JWT

03 · Scriptor Artis

Devana AI — AI SaaS Platform

Context: Generative AI SaaS product for content creators and marketing teams. Required a complete subscription lifecycle integration and a smooth UX.
Work: Complete user interface with Next.js and TailwindCSS.
Stripe funnel: free trial, activation, upgrade/downgrade, failed payments and cancellation.
Stripe customer portal for self-service invoices and payment methods.
Per-plan access control (feature flags by subscription tier).
CI/CD deployment on a VPS with Docker, Nginx and automatic SSL.
Impact: Reduced churn thanks to a smooth onboarding and subscription experience.
Shipped on time with a significant free-trial activation rate.
Stack: Next.js
Stripe
NestJS
PostgreSQL
TailwindCSS
Docker

04 · Tiak-Tiak

Tiak-Tiak Delivery — Dual Mobile App

Context: On-demand delivery service in Dakar requiring two separate mobile apps (customer and driver) synchronised in real time.
Work: Customer app: address entry, fare estimate, real-time GPS courier tracking, history, ratings.
Driver app: job reception, accept/decline, built-in GPS navigation, status updates, earnings dashboard.
Push notification system (Firebase) for every status update.
Mobile payment (Wave, Orange Money) directly in the app.
Testing and performance optimisation on Android and iOS.
Impact: Two apps delivered and deployed in production, covering the delivery flow end to end, UX validated by the first users.
Stack: React Native
Expo
NestJS
WebSocket
Google Maps API
Firebase
Mobile Money API

05 · Scriptor Artis

Clavus CRM — Fullstack SaaS CRM

Context: White-label CRM for SMEs, designed as an affordable alternative to market solutions, with natively integrated Stripe subscriptions.
Work: Database schema design (contacts, companies, deals, activities, notes, pipelines).
NestJS API with REST endpoints covering the whole CRM model.
Interfaces: contact list, detail view, Kanban deal pipeline, activity dashboard.
Stripe integration: multi-plan subscriptions, billing portal, renewal and cancellation webhooks.
Infrastructure deployment and configuration (Docker, Nginx, SSL, VPS).
Impact: CRM deployed in production and used by the first customers.
Modular architecture allowing quick addition of new features.
Stack: Next.js
NestJS
PostgreSQL
Stripe
TailwindCSS
Docker

07 · Specimen

p. 07

Skills

Front-end

6 tools

Back-end

7 tools

Mobile

3 tools

Databases

3 tools

DevOps & tools

8 tools

Payments

4 tools

08 · Back cover

p. 08

The other half is you.

Let's talk about your next project.

Available · remote missions (Europe) & Dakar

It is --:-- in Dakar