Need a Middle/Senior node.js Developer

Budget: 800 UAH Deadline: 1 day

I have experience in developing backend solutions on Node.js (TypeScript) for bots and API services.

I have worked with:

Node.js / TypeScript

REST API, Webhooks

Integrations with messengers (including WhatsApp-like flows)

Queues, asynchronous event processing

Deployment and scaling (Railway / VPS / Docker)

Regarding WhatsApp bots:

Implementation of backend logic

Integration with whatsapp.js

Session control, states, reconnections

Compliance with WhatsApp restrictions and rules

Preparation of architecture for scaling

I can connect to existing code, quickly understand the project, and close tasks without unnecessary hand-holding.

Hourly rate: 20 USD / hour
(≈ 800 UAH / hour)

I am ready to collaborate on a part-time or permanent basis. Expand

Budget: 5500 UAH Deadline: 7 days

Hello!
I am interested in your project - I have relevant experience and am ready to take on the task. I work quickly, responsibly, and with attention to detail.

🔹 A little about me: I have over 3 years of experience in development.
I have experience in .NET Core, C#, ASP.NET MVC, Web API, JavaScript/CSS/HTML, React.js, Next.js, MS SQL, Git.

🔹 I am ready: to start immediately, to agree on the deadline and budget, to make adjustments if needed.

Budget: 5000 UAH Deadline: 1 day

Extensive experience working with Node, about 40 years, created various backends for web applications and mobile applications. Here is my GitHub https://github.com/onyx144. Rate $20/hour.

Budget: 1700 UAH Deadline: 1 day

Hello! I will complete your task quickly and efficiently. I have indicated my bid.

My portfolio: https://freelancehunt.com/ua/freelancer/romas6ka.html#portfolio
Write to me, I will start working today. I will be happy to collaborate with you!

Budget: 27000 UAH Deadline: 4 days

Hi.

I'm interested in assisting with your project as a Middle/Senior Node.js backend developer. We have solid experience building backend logic in Node.js, integrating bots with WhatsApp.js, and designing scalable server architectures.

I'm familiar with WhatsApp platform requirements and best practices to ensure compliant and stable bot operation. I also have experience deploying and maintaining services on platforms such as Railway.

My hourly rate is $12 and we have 9 years of experience in backend development with Node.js. I would be glad to discuss the project details and how we can support your team.

Budget: 27000 UAH Deadline: 7 days

Good day.
I am a Senior developer with extensive experience.
Rate from $30

I developed a comprehensive email marketing service on Node.js.
Functionality:
– formation and storage of an email contact database with categorization
– web interface for managing mailings
– selection of the type of mail protocol (SMTP / POP3 / IMAP)
– operation through a proxy
– connection of own mail servers
– bulk and segmented mailings
– error handling, logging, queue control

The project is oriented towards high load and flexible mailing configuration. Expand

Budget: 1000 UAH Deadline: 1 day

Hello!
We are a team that has been developing bots for over five years. Our main tools are NodeJS and Python. We also work with connecting to any databases (MongoDB, SQL, Postgres, etc.), integrating with payment systems, API services, and plugins.

I suggest discussing the details of your project, after which we can agree on a comfortable price and convenient terms for both parties. The rate is $17.
After the development is completed, we guarantee to provide technical support and consultation for 10 days.

Examples of already implemented and working products can be found on our website - https://vaysed.me/
Or in the Freelance profile.
We look forward to your response!

Budget: 10000 UAH Deadline: 10 days

Good day. I am developing commercial projects of various complexity, including on nodejs. I will create a reliable backend for you, taking into account your wishes. I will also provide auto-deploy from GitHub to Railway for good CI/CD. The rate is $20 per hour. Write to me, we will discuss.

Budget: 1000 UAH Deadline: 1 day

Hello. I have been working with Node.js for over 8+ years. I am ready for collaboration. Please contact me.

Budget: 1000 UAH Deadline: 1 day

Hello.
This project is about creating a reliable and compatible backend for a WhatsApp bot using Node.js and WhatsApp.js, with a particular focus on stability and scalability. I will handle the core logic of the backend, message flows, and integrations, strictly adhering to WhatsApp policies to avoid blocks and delivery issues. I will design the server architecture for secure scaling, with proper session management, logging, and error handling for long-term operation. I have solid experience in developing production-ready Node.js backends for messenger bots and can effectively work in a leadership position.
My hourly rate is 20 dollars.

Budget: 797 UAH Deadline: 1 day

Hello!
I can help, what needs to be done, is there access to the code?