Fonepi Leslie Email and Phone Number
A passionate software engineer with 7+ years of experience in building and delivering well-documented performant web and mobile applications. I enjoy working collaboratively but can also run with projects independently. I have experience in building scalable software products that have had a positive impact on business outcomes. Skilled in Full-Stack development with JavaScript and its frameworks; React.js and Node.js and also leveraging other libraries and methodologies to deliver the best mobile and web experiences. I enjoy reviewing codes and mentoring younger developers. Exploring new languages and methods to solve problems is my hobby alongside football⚽
Smartzebra
View- Website:
- smart-zebra.de
- Employees:
- 3
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Senior Software EngineerSmartzebra Jun 2024 - PresentBerlin, Germany -
Software DeveloperPro One Engineering Apr 2020 - PresentYaoundé, CameroonSignificant AchievementBuilt software system regarding electrical equipment consumption for clients. This resulted in a reduction of manual work for electricians by 50% and saving on average 80+ hours of design time week on week per electrician.G&U SystemsWorked on a system where electricians can describe electrical equipment and the system will run some calculations and provide a schema for how much power that equipment will consume and how to properly install… Show more Significant AchievementBuilt software system regarding electrical equipment consumption for clients. This resulted in a reduction of manual work for electricians by 50% and saving on average 80+ hours of design time week on week per electrician.G&U SystemsWorked on a system where electricians can describe electrical equipment and the system will run some calculations and provide a schema for how much power that equipment will consume and how to properly install them.• Built and maintained 100% of backend REST services using Node.js/Typescript• Worked closely with the product manager to come up with designs for the front-end.• Provided project updates to leadership team of 4, and offered recommendations for designs and features.• Designed views to match the product owner's requirements with React/Typescript and redux• Wrote scalable and reusable components in react which made complex drag and drop functionality 40% faster.• Implemented authentication and authorization.• Containerized the various parts of the app with Docker.The system reduced by 50% the amount of time an electrician may take to come up with such values, thus making it ideal for them to use especially since they no longer need to do the calculations themselves. Also, it keeps track of all previous projects and the values and equipment used in any project and could generate invoices with the possibility of editing the invoices to meet customer requirements.- Run Facebook Ad campaigns for their electrical services which increase sales by 40% Show less
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Senior Full-Stack DeveloperKaeyros Analytics Gmbh Sep 2023 - Jun 2024GermanyKey Achievements- Led development teams on various projects, including Swivy, Sema, Invy, and Eze platform, overseeing system design and ensuring on-time delivery.- Participated as a Senior Developer on 4 other projects (Airo, Payoutly, VMDO, Anti-D), contributing to coding, testing, and code reviews.- Tested, coded, reviewed, and delivered software with 100% on-time record and according to service level objectives.- Spearheaded and coached the design and implementation of… Show more Key Achievements- Led development teams on various projects, including Swivy, Sema, Invy, and Eze platform, overseeing system design and ensuring on-time delivery.- Participated as a Senior Developer on 4 other projects (Airo, Payoutly, VMDO, Anti-D), contributing to coding, testing, and code reviews.- Tested, coded, reviewed, and delivered software with 100% on-time record and according to service level objectives.- Spearheaded and coached the design and implementation of Continuous Integration (CI) and Continuous Delivery (CD) pipelines, increasing code delivery by 3x.- Increased the efficiency of both managers and sales reps by 200% with the Swivy platform, leading to a 20% revenue increase through data-driven decisions.- Maintained a 24/7 online presence for Sema users, resulting in 100% client response rate, and a 40% increase in client engagement through personalized bulk messaging.- Successfully launched the Eze platform, a social media platform for African researchers, with features tailored to scientific communities.- Held meetings with CEO/CTO, management, or clients to understand user requirements and plan development.- Collaborated with senior developers and UI/UX teams to translate user requirements into functional requirements.- Initiated development process, created Jira boards, GitHub repos, and assigned tasks to developers.- Transformed wireframes into code in React, Next.js, and Tailwind CSS, ensuring elegant and performant user interfaces.- Reviewed code of junior developers to ensure adherence to best practices and conducted security audits.- Developed RESTful APIs with Node.js/Express.js, optimized database queries, and implemented containerization with Docker.- Designed and optimized database architecture for scalability and performance.- Implemented internal Authentication, Authorization, and notification systems.- Worked closely with DevOps team to build CI/CD pipelines for all products, both frontend, and backend. Show less -
Lead Software DeveloperAdwiz Ets Dec 2020 - Jan 2022Yaoundé, CameroonSignificant Achievements• Led Governmental project that helps more than 15,000 farmers every year. They experience on average 3x yields and 5x increase in incomeDeveloped FarmAdwiz, a platform that bridges the gap between stakeholders at different levels of the Cameroonian Agricultural Supply Chain. In simple terms, it's social media for Farmers.• Participated in writing scalable code with a team of 8 developers (front-end, back-end, data science) and 2 data scientists.•… Show more Significant Achievements• Led Governmental project that helps more than 15,000 farmers every year. They experience on average 3x yields and 5x increase in incomeDeveloped FarmAdwiz, a platform that bridges the gap between stakeholders at different levels of the Cameroonian Agricultural Supply Chain. In simple terms, it's social media for Farmers.• Participated in writing scalable code with a team of 8 developers (front-end, back-end, data science) and 2 data scientists.• Collaborated with an agile team of 10, and helped prioritize and scope feature requests to ensure that the biggest impact features were worked on first.• Built extensive test coverage for all new features, which reduced instances of bugs by 8%.• Communicated with internal team members, product manager, and stakeholders (government and large farming enterprises) working to determine solutions for the user experience.• Built RESTful APIs with Node/ Typescript that served data to the JavaScript front-end based on dynamically chosen user inputs that handled over 15000 concurrent users• Transformed designs (wireframes) of different views (from UI/UX designer) to React/Typescript and JavaScript code.• Delegated tasks to other developers for different parts of the system.• Reviewed code and conducted testing to ensure established coding standards and methodologies were met.• Implemented containerization with Docker.• Designed the database architecture and optimized queries.• Responsible for setting up CI/CD pipelines for both front-end and back-end.We were able to build the MVP into a web and mobile app. This platform was adopted and deployed internally by the government for an initial sample size test and the project helps more than 15,000 farmers every year. For now, it can only be used by the sample size used by the government Contact: Mr. Djiya Stephane (+237 674138730). Head of Projects at Mechanization and automation department MINADER (Ministry of Agriculture and Rural Development) Show less
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Web DeveloperStrawacademy Oct 2019 - Nov 2020Buea, CameroonSignificant Achievements• Increased revenue and return on investment (ROI) for clients on average by 50% through digitalmarketing campaigns conducted, website creation (from scratch, CMS solutions), and saving 100,000+man-hours per week for manual work.Inspire Me Limited Inspire Me Limited really was a sub-arm of Strawacademy and in a team of 4 I wastasked with bringing web-based solutions to customers either for their in-house work or for generalonline… Show more Significant Achievements• Increased revenue and return on investment (ROI) for clients on average by 50% through digitalmarketing campaigns conducted, website creation (from scratch, CMS solutions), and saving 100,000+man-hours per week for manual work.Inspire Me Limited Inspire Me Limited really was a sub-arm of Strawacademy and in a team of 4 I wastasked with bringing web-based solutions to customers either for their in-house work or for generalonline exposure.• Automated many internal processes like invoicing, payroll, attendance and hours worked, organizingtransactions, sending out newsletters, etc which saved more than 100,000+ hours of manual workacross enterprises.• Created HTML assets for 60+ active marketing campaigns, including video landing pages, order formcopy, and funnel copy.• Optimized 23+ applications for maximum speed and scalability• Built and customized 25+ WordPress sites for customers.• Build 20+ custom sites based on user stories, requirements, and design specifications with frameworks(especially JavaScript Frameworks) like React, Node, or even PHP.• Documented software changes for use across 10+ engineering teams, quality assurance, and documentation specialists.• Worked within an agile scrum team, contributing to 100% continuous integration and deployment(CI/CD).• Mentored 4 junior and 6 interns across university breaks.• Bettered exposure locally and internationally through their online presence be it on social media orwith a website.• Bettered feedback pipelines that helped them better their products and increase customer satisfaction.• Built extensive test coverage for all new features, which reduced the number of customer complaintsby 15% Show less
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Guest LecturerKazek University Feb 2020 - Jun 2020Limbe, CameroonSignificant achievement Had a 100% student rate on the National examTaught many courses in accordance with the HND (Higher National Diploma) curriculum for Software Engineering. Here is a list of some of the courses. Mobile terminals and HCI (Human-Computer Interaction): This course basically explores how people interact with computers (mobile computers like phones and tablets) with an emphasis on Mobile apps. Taught how to build simple Android apps using Android… Show more Significant achievement Had a 100% student rate on the National examTaught many courses in accordance with the HND (Higher National Diploma) curriculum for Software Engineering. Here is a list of some of the courses. Mobile terminals and HCI (Human-Computer Interaction): This course basically explores how people interact with computers (mobile computers like phones and tablets) with an emphasis on Mobile apps. Taught how to build simple Android apps using Android studio and Java and also how to optimize the apps for multiple android operating systemsTaught how to leverage cross-platform frameworks like React and React Native to build cross-platform apps and the benefits of using such an approach. Advanced Data-structures and Algorithms: Taught Advanced data structures like Linked lists (singly and doubly linked lists), Heaps, Hashes, Queues, Stacks, Trees (AVL trees, binary search trees), and operations that can be carried on them (Traversal, Insertion, Deletion, Searching, Updating, Sorting Operating systems I & II: Taught Operating Systems concepts like Process Management, Race conditions, Deadlocks, Semaphores, Multi-tasking and Multi-threading, Scheduling & scheduling algorithms (Round Robin, First come first serve, etc) Show less
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Software DeveloperGimerc Sarl Oct 2017 - Oct 2019Yaoundé, CameroonSignificant Achievement• Automated and optimized enrollment processes through a school management system that saved +300 hours/month of manual work.• Ensured high availability (~99%) of course materials like audio, video, text, documents (pdf, Docx), and images through the platform.• Reduced time for processing of results by 1 week (240hrs) per exam.• Provided technical advice and weigh-ins on technical decisions that impacted 6 cross-functional teams and company outcomes.•… Show more Significant Achievement• Automated and optimized enrollment processes through a school management system that saved +300 hours/month of manual work.• Ensured high availability (~99%) of course materials like audio, video, text, documents (pdf, Docx), and images through the platform.• Reduced time for processing of results by 1 week (240hrs) per exam.• Provided technical advice and weigh-ins on technical decisions that impacted 6 cross-functional teams and company outcomes.• Recommended changes in tools, development, maintenance, and system standards, leading to the adoption of lean principles that increased team effectiveness and efficiency by 60%School Management SystemGimerc consulting Sarl is a company that offers many services in the Mining and Environmental sector. They offer training too in this domain. So this project was a management system for the training center. The platform performed the following:Publish available courses and related information like course duration, course tutor, course topics, and type of certificate after completion and successful examination.Handle enrollment into courses after paying the minimum amount. Access to some material like notes and slides for students and a way for tutors to upload these materials which were basically media files most times. Publish results of individual students and perform announcements.This project leveraged React, Node, and Firebase to achieve a performant site. The following are some of the tasks I did on this project• Designed UI/UX using Figma• Translated these designs into React code for the different views• Created and optimized Reusable React components to achieve a robust and performant interface• Developed 100% RESTful API to control user functions using Express.Js with Firebase as a persistence layer while utilizing react on the front end.• Tested and fine-tuned application, reducing the instances of bugs by 5% Show less
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Software DeveloperGimerc Sarl Feb 2017 - Sep 2017Yaoundé, CameroonAs a developer Intern I was tasked with using my skills to - Build a website for the company (using HTML and CSS) and eventually moving it to WordPress. This website brought about a 3x increase in the number of inquiries for the company.- Improve their physical Ad campaigns through rebranding their Logo, banners and flyers.- Increase their online presence with not just a website, but also social media platforms like Facebook.This increased in total the number of inquiries by… Show more As a developer Intern I was tasked with using my skills to - Build a website for the company (using HTML and CSS) and eventually moving it to WordPress. This website brought about a 3x increase in the number of inquiries for the company.- Improve their physical Ad campaigns through rebranding their Logo, banners and flyers.- Increase their online presence with not just a website, but also social media platforms like Facebook.This increased in total the number of inquiries by 5x Show less
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Software Engineer InternJongo Hub Jun 2018 - Sep 2018Buea, CameroonThis internship was an Academic Internship geared at blending theory and practical knowledge to refine development and critical thinking skills in the relevant domain. Task involvedBuilding SAAS (Software as a Service) products for the companyLeverage social media to get better reach for the companyBuild websites for their clients using CMS (Content Management Systems)
Fonepi Leslie Education Details
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Computer Software Engineering
Frequently Asked Questions about Fonepi Leslie
What company does Fonepi Leslie work for?
Fonepi Leslie works for Smartzebra
What is Fonepi Leslie's role at the current company?
Fonepi Leslie's current role is Senior Software Engineer | Full stack Engineer | Backend & Frontend JavaScript Engineer.
What schools did Fonepi Leslie attend?
Fonepi Leslie attended University Of Buea.
Who are Fonepi Leslie's colleagues?
Fonepi Leslie's colleagues are Heiko Eulitz, Yanal Sabbagh, Cyrille Sepele Petsou.
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