Hi, I'm Daniel Osariemen
Full-Stack Engineer with 6+ years of expertise in building scalable web applications and systems.
Specializing in full-stack development with a focus on building high-performance applications using modern technologies. Expert in API development, system architecture, and creating seamless user experiences.
Trusted by Industry Leaders
Delivering exceptional solutions to innovative companies across the tech landscape
With over 6 years of experience, I've had the privilege of working with these innovative companies, delivering impactful solutions and driving technological advancement.
What I have done so far
Work Experience.
- Automated the vehicle booking system, allowing users to seamlessly rent cars without manual intervention.
- Developed a scalable backend using NestJS and MongoDB, ensuring efficient data storage and retrieval.
- Implemented secure authentication and authorization mechanisms, improving platform security.
- Integrated payment processing systems to handle transactions smoothly for renters and hosts.
- Designed an automated host verification process, reducing onboarding time for car owners.
- Enhanced the platform’s scheduling functionality, allowing users to pre-book vehicles efficiently.
- Developed and maintained backend systems for a coupon generation and redemption for the platform.
- Optimized database queries and storage strategies to handle large volumes of coupon data efficiently
- Collaborated with frontend developers to ensure seamless integration and user experience.
- Engineered a dynamic questionnaire system, automating and optimizing customer due diligence processes.
- Implemented robust role-based access controls, ensuring granular security measures for sensitive data handling.
- Integrated third-party APIs like Calendly and Cloudinary, enhancing functionality and scalability while maintaining data integrity and security.
- Developed a VTU system using NestJS and PostgreSQL, ensuring a 99% transaction success rate with over 150+ active users.
- Integrated role-based access control (RBAC) to improve security by 95%.
- Optimized backend queries, leading to a 40% improvement in API response times.
- Contributed to the development and improvement of Tinapay's mobile app backend, ensuring a robust and scalable architecture.
- Designed, developed, and maintained APIs that supported seamless interactions between the Tinapay mobile app and backend services..
- Worked on both mobile and web backend systems, ensuring a consistent and integrated experience for users across different platforms.
- Collaborated with quality assurance teams to conduct thorough testing, identifying and resolving potential issues to ensure the stability and security of the Tinapay mobile app.
- Participated in regular code reviews and team discussions to foster a culture of continuous improvement.
- Contributed to the enhancement of Wisper's internet service platform, ensuring seamless user experiences.
- Collaborated with the team to optimize backend architecture for reliable and efficient data delivery.
- Developed APIs for services and reliability.
- Supported network stability and uptime.
- Built backend for NFT marketplace, enabling smooth user interactions.
- Implemented blockchain smart contracts for minting, trading NFTs.
- Collaborated on frontend integration and UX enhancement.
- Developed secure APIs and optimized platform performance.
- Led backend development for Patosehi Box's logistics platform.
- Collaborated with cross-functional teams to streamline package delivery.
- Designed robust APIs for frontend-backend communication.
- Contributed to the frontend, creating engaging user interfaces and delivering seamless experiences with React JS
- Prioritized data security for sensitive logistics transactions.
- Prioritized data security for sensitive logistics transactions.
- Integrated secure payment gateways for smooth transactions.
- Improved the backend structure for smooth data, airtime, and service transactions.
- Collaborated with different teams to make processes like data delivery and transactions automated.
- Ensured transactions were secure and reliable, allowing quick and safe airtime and data transfers.
- Assisted in connecting APIs to websites and apps to make user interactions seamless.
- Provided user support and solutions, contributing to platform dependability both on the frontend and backend.
- Developed RESTful APIs for seamless user engagement and social media account management.
- Ensured secure authentication using JWT and integrated real-time analytics features.
- Optimized database architecture for efficient data retrieval and storage.
- Implemented caching strategies and load balancing to enhance performance.
- Collaborated with UI/UX designers and frontend developers for a cohesive user experience.
Technologies I Work With
Expert in modern web and mobile development technologies
Node JS
MongoDB
Express
Solidity
Nest
JavaScript
TypeScript
HTML 5
CSS 3
React JS
Redux Toolkit
Tailwind CSS
git
figma
docker
What others say
Testimonials.
"
Invaluable contribution! Your dedication to network reliability has been a game-changer for us.
@ Great
CEO of Gsubz Ng
"
Remarkable work! Your APIs have elevated our user experience to new heights.
@ Ebuka
PM of Wisper Ng
Get in Touch
Have a project in mind or want to discuss potential opportunities? I'm always open to new ideas and collaborations.