Open to opportunities

Wenceslas Jonah

@wenceslasjonah

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Experienced backend engineer with expertise in JavaScript

Nigeria

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What I'm looking for

Seeking a challenging role that utilizes my skills in backend engineering

As a seasoned backend engineer with 5 years of experience, I have developed a strong proficiency in constructing scalable RESTful APIs and enhancing database performance. My expertise in JavaScript, TypeScript, Node.js, and Nest.js has enabled me to deliver high-quality solutions that drive business growth.

Throughout my career, I have worked with various technologies, including NoSQL, Git, MongoDB, MySQL, and PostgresSQL. I have also gained experience in microservices architecture, DevOps, and design patterns. My ability to work with cross-functional teams has allowed me to collaborate effectively with stakeholders and deliver projects on time.

I am passionate about staying up-to-date with the latest technologies and trends in the industry. I have completed certifications in software development methodologies from Coursera and Udemy, and I am committed to continuous learning and professional growth.

Experience

Work history, roles, and key accomplishments

Backend Engineer

Spotip Nigeria

Jan 2024 - Sep 2023 (-1 years 8 months)

Built RESTful APIs to integrate third-party data feeds, adding 10 new betting features and improving app usability. Developed a scalable queuing framework with Redis, handling 5,000+ simultaneous requests, and optimized betting odds updates, increasing system efficiency by 40%.

REST APIs JavaScript Node ExpressJS Redis Elasticsearch Microservices Docker Test Driven Development

Backend Engineer

Smitiv Singapore

Jan 2022 - Sep 2023 (1 year 8 months)

Established role-based access control, reducing security breaches by 20%. Engineered fault-tolerant database mechanisms, improving reliability and reducing data issues by 40%. Orchestrated CI/CD pipelines, enhancing release efficiency by 33%.

JavaScript Node CI CD Docker Unit Testing Blockchain Microservices Design Patterns Git Object Oriented Programming

Backend Engineer

Hireus Nigeria

Feb 2021 - Feb 2022 (1 year)

Crafted scalable backend infrastructure for artisan services, handling 2,000+ requests per second. Developed a real-time tracking system, reducing customer inquiries by 40%, and automated error tracking with Sentry.io, decreasing critical bugs by 17%.

REST APIs JavaScript Node ExpressJS Sentry Microservices Git Docker Redis Agile

Backend Engineer

CodedlyAfrica

Jun 2020 - Feb 2021 (8 months)

Collaborated with teams to design virtual labs for students, minimizing the learning gap by 35%. Organized boot camps, empowering over 50 students in tech fields.