Achile is available for hire

Achile Salomon Nghukam Noussi

Verified Expert in Engineering

Front-end Developer

Paris, France

Toptal member since October 14, 2022

Expertise

Full-stack Java TypeScript Spring Boot JSON React Native Angular React.js Redux JavaScript HTML5 PostgreSQL jQuery Git

Bio

Achile is a senior full-stack engineer with 7 years building critical banking, payment, airline, and high-traffic platforms. He specializes in Java 17/21, Spring Boot, React, Angular, and TypeScript, with strong expertise in API design, performance, automated testing, cloud, and CI/CD. He combines hands-on architecture with code reviews, pair programming, and mentoring to deliver secure, maintainable systems.

Portfolio

Societe Generale

Java, Java 17, Spring Boot, REST APIs, JUnit, GitHub Actions, CI/CD Pipelines...

AIR FRANCE KLM MARTINAIR Cargo

Spring Boot, Java 17, Java, GitHub, GitHub Actions, Terraform, Azure...

GammaTech LTD

Java, Java 11, MySQL, PostgreSQL, REST, APIs, Spring Boot, Thymeleaf, Bootstrap...

Experience

Full-stack Development - 9 years
Angular - 7 years
Java - 7 years
Spring Boot - 5 years
CI/CD Pipelines - 5 years
TypeScript - 5 years
React - 4 years
PostgreSQL - 3 years

Preferred Environment

MacOS, Visual Studio Code (VS Code), Git, Agile Software Development, IntelliJ IDEA, Innovation, Startups

The most amazing...

...platform I've co-architected is an award-winning microfinance and savings solution developed with MTN to advance financial inclusion in Cameroon.

Work Experience

Senior Software Engineer

2026 - PRESENT

Societe Generale

Contributed to migrating critical Java/J2EE banking applications to Spring Boot in a high-availability environment with stringent security requirements.
Designed SOAP and REST integration layers connecting new payment portals with legacy banking systems.
Helped shape a micro-frontend architecture for a bank transfer management portal, improving modularity and maintainability.

Technologies: Java, Java 17, Spring Boot, REST APIs, JUnit, GitHub Actions, CI/CD Pipelines, Kibana, Grafana

Senior Full-Stack Engineer

2024 - 2026

AIR FRANCE KLM MARTINAIR Cargo

Developed secure, modular Spring Boot APIs and React/Angular modules within a microservices architecture for a major airline group.
Optimized high-volume business algorithms and built a Lucene-based fuzzy-search engine using trigram tokenization to improve large-scale matching.
Automated Azure deployments with Terraform and GitHub Actions and implemented blue-green releases to support zero-downtime delivery.

Technologies: Spring Boot, Java 17, Java, GitHub, GitHub Actions, Terraform, Azure, PostgreSQL, Hibernate, CI/CD Pipelines, Angular, TypeScript, Apache Maven, REST APIs, Grafana, Kibana, Performance Testing, Jira, Kanban, Karma, Jasmine, Unit Testing, HTML5, CSS3, REST, Web App Development, Full-stack Development

Software Engineer - Consultant

2023 - 2024

GammaTech LTD

Collaborated with senior developers to develop and maintain web applications using Spring Boot, PostgreSQL, and Thymeleaf.
Developed and maintained Java Spring Boot applications, including RESTful APIs and web services.
Implemented database integration and managed data persistence using Spring Data JPA and Hibernate.
Involved actively in cross-functional discussions and gained exposure to back-end technologies like microservices and containerization.
Implemented unit tests (JUnit) and integration tests to ensure the reliability of software applications.

Technologies: Java, Java 11, MySQL, PostgreSQL, REST, APIs, Spring Boot, Thymeleaf, Bootstrap, HTML, HTML5, CSS, JavaScript, MVC Design, JSON, GitHub Actions, GitHub, CSS3, Web App Development, CI/CD Pipelines, Full-stack Development

Freelance Software Engineer

2021 - 2023

ByBegoo

Coordinated with development teams and designers to develop web applications on numerous platforms.
Designed and developed user interface components for mobile apps using React Native.
Wrote reusable and scalable components for mobile apps using TypeScript.
Took overall responsibility for driving and managing delegated assignments.
Planned, prioritized, and assigned tasks to team members on Jira.
Implemented a real-time tracking and position-sharing system.
Conducted training for technical and non-technical staff.
Configured and deployed mobile apps on the Google Play Store and App Store.
Developed and deployed a web portal for driver onboarding built with React.
Set up a CI pipeline with GitHub Actions for web and mobile apps.

Technologies: React, React Native, Axios, Push Notifications, Jira, Google Maps API, Google Maps SDK, Adobe Experience Design (XD), Continuous Integration (CI), Git, Jest, CSS, Front-end, Android, iOS, HTML, Web Development, Cypress, REST APIs, React Redux, Architecture, JSON, Express.js, HTML5, CSS3, REST, Web App Development, CI/CD Pipelines, Full-stack Development, PostgreSQL

React Native Mobile Developer

2022 - 2022

Anglo African

Designed and built mobile applications for Android and iOS platforms.
Took full responsibility for mobile application development in the team.
Implemented new technologies to maximize application performance.
Performed identification, diagnosis, and resolution of system errors.
Conducted training for technical staff at Anglo African International. I also provided training to customers and users locally and abroad.
Collaborated with cross-functional teams to analyze, design, and ship new features.
Identified, prioritized, and executed tasks in the software development lifecycle.
Mentored junior and mid-level engineers of the front-end team.

Technologies: React, React Native, Axios, Push Notifications, Test-driven Development (TDD), Redux, Jira, Figma, Git, Jest, Front-end, Mobile App Development, App Store Acceptance Process, Android, iOS, APIs, Web Development, REST APIs, React Redux, Gamification, Architecture, Expo, JSON, Mobile Apps, Mobile App UI, HTML5, CSS3, REST, CI/CD Pipelines

Freelance Software Engineer

2021 - 2022

Prestalig

Designed and built mobile applications with a QR code reader and tracking system.
Developed a QR code generator with the company logo using PHP.
Conceived and built an admin dashboard with Laravel.

Technologies: React Native, JavaScript, Laravel, Cloudinary, Axios, PHPExcel, Git, Laravel Orchid, QR Codes, Digital Signatures, CSS, Front-end, Mobile App Development, Android, APIs, HTML, Amazon Web Services (AWS), MySQL, REST APIs, React Redux, JSON, HTML5, CSS3, REST, Web App Development, CI/CD Pipelines, Full-stack Development

IT Developer

2019 - 2021

Afrik Pay

Built and deployed React Native-based Android and iOS apps.
Created native modules for Android devices with a printer working with the React Native app.
Optimized build sizes and app performance before deployment.
Implemented a web dashboard, enabling more than a thousand merchants to track their payments and initiate withdrawals.
Designed and developed a store management system for eMerchant using Angular and Symfony.
Developed the company website with AngularJS and integrated payment services publicly accessible without authentication.

Technologies: React Native, PHP, Trello, Angular, AngularJS, Axios, HTML5, CSS, jQuery, Git, Mobile App Development, Web App Development, Android, iOS, APIs, HTML, Web Development, REST APIs, Metrics, React Redux, JSON, Mobile Apps, Mobile UI, CSS3, REST

Experience

Charty

https://github.com/dansalomon2015/charty

A repository that showcases customizable and reusable components for data visualization, such as bar and pie charts. These components worked on Android and iOS and were built for React Native using TypeScript and the SVG library.

MonTaxi

A taxi and private chauffeur services (VTC) platform developed for Android and iOS using React Native. The app allows drivers to log in to the VTC database and access the current load data. The driver can accept loads and update arrivals and departures from pick-up and drop-off locations.

Bike Rentals App

A bike rental web app written with React and Firebase using Cloud Firestore as a database. The authentication process is also based on Firebase. This app manages two user roles—admins and users. Users can reserve a bike and delete their reservations. Managers and admins can create, edit, or delete users, managers, and reservations. The source code is available at github.com/dansalomon2015/bikes_rentals/

Delivrix

An application that I developed with React Native and Firebase. It allows small businesses to manage and track their delivery teams and orders. The source code is available at github.com/dansalomon2015/delivrix/

React Admin Dashboard

An admin dashboard built with React, React-Redux, and the Emotion design library for writing CSS styles. This admin dashboard showcases, among others things, how users can easily create forms with Formik and charts with the library react-chart.

HooBank Landing Page

A landing page for credit card services, which I built using React and Tailwind CSS. I developed the landing page based on this design: dribbble.com/shots/16549360-HooBank-Digital-Payment-LandingPage/

Education

2025 - 2026

Engineer's Degree in Computer Science

Conservatoire National des Arts et Métiers (CNAM) - Paris, France

2012 - 2018

Bachelor's Degree in Computer Science

University of Douala - Douala, Cameroon

Certifications

JULY 2025 - PRESENT

Microsoft Azure Fundamentals

Microsoft

JANUARY 2023 - PRESENT

React (Basic) Certificate

HackerRank

JANUARY 2023 - PRESENT

JavaScript (Intermediate) Certificate

HackerRank

Skills

Libraries/APIs

React, jQuery, React Redux, Google Maps SDK, Google Maps API, PHPExcel, Socket.IO, Node.js, REST APIs, Formik, Chart.js

Tools

Expo, Git, Jira, Figma, Adobe Experience Design (XD), Trello, MongoDB Atlas, GitHub, Terraform, Apache Maven, Grafana, Kibana, Karma, IntelliJ IDEA

Languages

TypeScript, Java, JavaScript, HTML5, CSS3, PHP, CSS, HTML, Java 11

Frameworks

React Native, Spring Boot, Angular, Redux, Jest, Laravel, Cypress, AngularJS, Tailwind CSS, JUnit, Thymeleaf, Hibernate, Bootstrap, Express.js, Jasmine

Storage

JSON, PostgreSQL, MongoDB, MySQL

Paradigms

Continuous Integration (CI), Test-driven Development (TDD), REST, Continuous Development (CD), Agile Software Development, Gamification, MVC Design, Kanban, Unit Testing

Platforms

Firebase, Android, iOS, Bitrise, Amazon Web Services (AWS), Visual Studio Code (VS Code), Azure

Other

Full-stack Development, Axios, CI/CD Pipelines, Push Notifications, Cloudinary, Laravel Orchid, QR Codes, Digital Signatures, SVG, WebSockets, Front-end, Mobile App Development, Web App Development, App Store Acceptance Process, EAS, APIs, Front-end Development, Full-stack, Geolocation, GitHub Actions, Web Development, Metrics, Engineering Software, Programming, Concepting, Spring DAO, Architecture, Mobile Apps, Mobile App UI, Mobile UI, Java 17, Performance Testing, Innovation, Startups

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