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I will fix node js api bugs or build rest api fast
Oliver
Level 2
4.9
4.9
Acerca de este Servicio
Are you facing issues with your Node.js API or need a backend built fast?
I can fix bugs, debug errors, or build a clean and scalable REST API for your application.
As a full-stack web developer, I have experience building RESTful APIs for e-commerce platforms and various web applications using Node.js, Express, and databases like MongoDB, MySQL, and PostgreSQL.
If you need a custom REST API for your application, I'm here to help you get it done efficiently and professionally.
What services I will provide,
- Develop Restful API with a specific number of endpoints.
- Design the database with MongoDB, Firebase, MySQL, or any other databases.
- Secure APIs with JWT authentication and proper authorization
- Fix bugs and debug existing backend issues
- Provide API documentation for you.
Tools I will use,
- Node.js
- Express.js
- Nest.js
- MongoDB
- MySQL
- Firebase
- PostgreSQL
- MVC architecture
Why me?
- Clean and well-structured code
- Fast delivery and clear communication
- Focused on solving your problem efficiently
- 100% satisfaction guarantee
NOTE: Please contact me before placing an order so I can understand your requirements and provide the best solution.
Conoce a Oliver
Oliver
Full Stack Web Developer
Level 2
- DeSri Lanka
- Miembro desdejul 2022
- Responde aprox. en:1 hora
- Última entrega2 meses
Idiomas
Cingalés, Inglés
If you're looking for an experienced full-stack developer, you're in the right place. With 5+ years of experience, I specialize in building scalable web applications and SaaS platforms. I am an expert in Node.js, Next.js, and React, and I build serverless backends using AWS Lambda. I also develop AI-powered features and chatbots using LangChain and LLMs. Proficient in TypeScript, Angular, MongoDB, MySQL, Firebase, and PostgreSQL. I deliver clean, maintainable, production-ready code on time. Let's build something great!
Mi porfolio
FAQ
Can you fix bugs in an existing API?
Yes! I can identify and fix issues in your existing Node.js API, including backend errors, database problems, and authentication issues.
Which databases do you work with?
I work with MongoDB, MySQL, PostgreSQL, Firebase, Supabase, or any database of your choice.
How long will it take to complete my API?
Delivery time depends on your requirements and the number of endpoints. Small projects can be done within 1–3 days, while larger projects may take longer. Contact me to discuss your timeline.
Will my API be secure?
Absolutely! I use JWT authentication and proper authorization to secure your endpoints, ensuring your backend is safe and reliable.
Do you provide documentation?
Yes, I provide clear API documentation so you can easily integrate it with your frontend or share it with your team.
Can you integrate third-party services like payment or Firebase?
Yes! I can integrate services like Stripe, PayPal, Firebase, or other APIs based on your project needs.
Do you offer support after delivery?
Yes, I provide support to ensure your API runs smoothly and can assist with minor adjustments or bug fixes after delivery.
Reseñas
75 comentarios sobre este Servicio
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| (4) | ||
| (0) | ||
| (0) | ||
| (0) |
Desglose de calificaciones
- Nivel de comunicación del Freelancer
- Calidad de la entrega
- Valor de la entrega
Ordenar por
Más relevante
N 
nig_nigel
Reino Unido
Oliver did a great job working on our platform (MeterQube). HE quickly understood the requirements, fixed key issues around Stripe payment flow and location handling, and communicated clearly throughout the process. What I appreciate most was that he didn't overcomplicate things, he focused on getting...
USD100-USD200
Precio
7 días
Tiempo
Útil?T 
tommytox
Cliente recurrente
Países Bajos
Very smart ans polite guy to work with
Hasta USD50
Precio
1 día
Tiempo
Útil?T tommytox
Cliente recurrente
Países Bajos
Very happy to work with Oliver again!
Hasta USD50
Precio
1 día
Tiempo
Útil?T tommytox
Cliente recurrente
Países Bajos
Very happy to work with Olivier again!
USD100-USD200
Precio
10 días
Tiempo
Útil?G gleap_hk
Cliente recurrente
Hong Kong
Great value really collaborative experience good language competence
USD100-USD200
Precio
3 días
Tiempo
Útil?
Reseñas
75 comentarios sobre este Servicio
| (71) | ||
| (4) | ||
| (0) | ||
| (0) | ||
| (0) |
Desglose de calificaciones
- Nivel de comunicación del Freelancer
- Calidad de la entrega
- Valor de la entrega
Ordenar por
Más relevante
N nig_nigel
Reino Unido
Oliver did a great job working on our platform (MeterQube). HE quickly understood the requirements, fixed key issues around Stripe payment flow and location handling, and communicated clearly throughout the process. What I appreciate most was that he didn't overcomplicate things, he focused on getting...
USD100-USD200
Precio
7 días
Tiempo
Útil?T tommytox
Cliente recurrente
Países Bajos
Very smart ans polite guy to work with
Hasta USD50
Precio
1 día
Tiempo
Útil?T tommytox
Cliente recurrente
Países Bajos
Very happy to work with Oliver again!
Hasta USD50
Precio
1 día
Tiempo
Útil?T tommytox
Cliente recurrente
Países Bajos
Very happy to work with Olivier again!
USD100-USD200
Precio
10 días
Tiempo
Útil?G gleap_hk
Cliente recurrente
Hong Kong
Great value really collaborative experience good language competence
USD100-USD200
Precio
3 días
Tiempo
Útil?
