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Node.js consulting services

Build a backend that's fast, secure, and ready for growth. Our Node.js consultants fine-tune your app's performance to handle more users in the long haul and run more smoothly.

Our Node.js consulting services

Custom MVP development consulting

Go to market faster and smarter with a custom-built MVP. We translate your vision into a lean, functional web application using Node.js, and we focus on core features that validate your idea with real users. This approach minimizes initial investment and gives you data-driven insights needed to secure funding and guide future development.
Our consulting goes beyond code. We partner with you to refine your product strategy, prioritize features, and architect a scalable Node.js foundation. This ensures your MVP isn't just a prototype, but a springboard optimized for long-term growth and success.

General consulting

Our experts provide clear strategic advice for your Node.js architecture. We can help you navigate technical challenges and make smart decisions.
Think of us as a dedicated tech partner. We equip your team with the knowledge and tools for long-term success by choosing appropriate technology stacks and implementing necessary API gateways. At the same time, our specialists will help with code reviews and make sure that your technology becomes a true competitive advantage.

Performance optimization

A slow app risks user loyalty and revenue. Our Node.js performance audit goes beyond surface-level fixes to find the true bottlenecks that strain your system. 
We implement precise, strategic optimizations for faster response times and greater stability under heavy loads. The result is a seamless experience for your users and a more resilient, cost-effective infrastructure for your business. 
We can help transform your app's speed from a constant worry into a reliable, competitive asset that supports your growth and keeps your audience engaged.

Supporting an existing Node.js app

If your current Node.js app is feeling unstable or slow, we can help. Our team tackles urgent bugs and updates outdated dependencies for better security and performance optimization. 
We can become an extension of your team all the while and make sure that your app remains robust, secure, and scalable. This lets you focus on new features and business growth, with the confidence that your technical foundation is in expert hands.

Our Node.js consulting cases

Thumbnail with screenshots of service named Energo

EnerGO — a power bank rental app

Node.js backend
Chat
Maps and GPS
NFC payments
We designed two apps for this power bank rental service: one for mobile phones and the other for battery stations. The moment the user finds the nearest charging station through their phone to pick up a power bank, the app sends a signal to the SIM card inside the charging station.
Our specialists worked on design and developed over 70 screens. We had to connect Chinese-manufactured hardware to the app, too.
As of today, EnerGO continues to be profitable: the company has already installed over 730 power bank stations, and it’s not planning to stop anytime soon.
1 million active users
6.6K reviews on the App Store and Google Play Market
Learn more
Обложка со скриншотами сервиса Smartchat

Live-stream-shopping — an app for checking preliminary diagnoses and booking healthcare provider appointments

Marketplace
Streaming
Video integration
Imagine being able to watch a fun, live product demo and buy what you love with a single click. That's the magic of livestream shopping, and it was the heart of our client's big idea. After seeing it take off in Asia, our client spotted a huge opportunity to bring it to new markets.
So, we got to work. In just one month, our team built a working prototype and partnered with a few small showrooms to test it out. The early results were great: our streams ran smoothly for dozens of viewers without a single hiccup.
Then, we hit a major milestone: a single stream that attracted 500 unique viewers. That success proved the concept had serious traction, and we confidently moved forward with building the full MVP.
500+ unique users gained before development
1 month spent on development
Learn more
Обложка со скриншотами сервиса Smartchat

My Therapy Assistant — an online psychotherapy service and an EHR system in the UK

Website development
Video calls
Calendar
Chat
My Therapy Assistant is an online psychotherapy platform based in the UK. We spent over 8,000 hours developing it and added features like video calls, secure chats with therapists, and note-taking.
Throughout the project, our designers stayed in close contact with the founders to bring their vision to life. We listened to feedback and adjusted the product along the way.
This case is a prime example of us having to navigate complex regulations to release the app. Our client wanted to offer insurance coverage for patients. To do that, we integrated HealthCode, the UK’s largest health-tech platform. Although the integration itself was outdated, we managed to add it to the platform without impeding the user experience.
<1000 active users
8000 hours spent on EHR development
Learn more
Обложка со скриншотами сервиса Smartchat

KEM — a mobile payment platform based in Kuwait

Fintech
Card integration
QR codes
Transaction history
Kem is a P2P payment app that lets users manage their money, link cards, send instant transfers to contacts, and keep track of transactions. With its built-in QR scanner, users can quickly add new people to their contact list or send payments on the spot — no hassle required.
The Kuwait Investment Fund and other international companies invested in the development of KEM. This was possible thanks to the MVP, which demonstrated the full potential of the app.
Investors are confident that the project is a game-changer for the fintech services market in the entire Gulf region. And it shows: the number of users continues to grow at a rate of 250% per month.
$4 mln of investments raised in two rounds
>100k users at MVP stage
Learn more
Thumbnail with screenshots of service named Energo

EnerGO — a power bank rental app

Node.js backend
Chat
Maps and GPS
NFC payments
1 million active users
6.6K reviews on the App Store and Google Play Market
Learn more
Обложка со скриншотами сервиса Smartchat

Live-stream-shopping — an app for checking preliminary diagnoses and booking healthcare provider appointments

Marketplace
Streaming
Video integration
500+ unique users gained before development
1 month spent on development
Learn more
Обложка со скриншотами сервиса Smartchat

My Therapy Assistant — an online psychotherapy service and an EHR system in the UK

Website development
Video calls
Calendar
Chat
<1000 active users
8000 hours spent on EHR development
Learn more
Обложка со скриншотами сервиса Smartchat

KEM — a mobile payment platform based in Kuwait

Fintech
Card integration
QR codes
Transaction history
$4 mln of investments raised in two rounds
>100k users at MVP stage
Learn more
LXP IThub
Trassir
energo
Skuratov
SOAK
plonq
smartway
Medcare
LXP IThub
Trassir
energo
Skuratov
SOAK
plonq
smartway
Medcare

Need Node.js consulting services?

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What’s next?
Our manager will contact you within 24 hours and arrange a meeting. If necessary, we are ready to sign an NDA.
At the meeting, we will get acquainted and discuss the task. We will also talk about the preliminary budget and timeline.
After the meeting, a business analyst will reach out to you to gather technical requirements and make a portrait of the target audience of the project.
Then we will present an estimate for you project, where we will outline the cost, timeline, team, and project roadmap.
After that, all that’s left is to sign the contract, and we’ll start implementing your project!

How we can help fuse AI & Node.js for your next project

Virtual assistant integration

Imagine a virtual helper in your app that feels less like a robot and more like a smart teammate. We specialize in weaving these AI assistants into scalable Node.js solutions. 
They can naturally chat with users, automate complex tasks, and make your product feel truly helpful and ahead of the curve.

Workflow automation

We build smart automations into your Node.js apps that handle the boring stuff, from processing documents to managing approvals. This frees your team to focus on what truly matters, like creative problem-solving and strategic growth. 
Imagine a workday that runs smoother, with fewer errors and less frustration. We can help you build it.

Smart recommendations integration

We integrate smart AI recommendations that learn from your users' behavior. This means your app can proactively suggest relevant products, content, or connections. 
Let AI create a personalized experience that feels both intuitive and thoughtful. It’s a powerful way to boost engagement and show your customers you truly understand their needs.

Key metrics discovery and adoption

How do you know if your AI is truly working? We help you move beyond guesses by identifying the key metrics that prove its value. 
We'll pinpoint what to track and embed that measurement directly into your solution. User engagement, task success rates, or infrastructure cost savings — these metrics can provide clear insights to confidently guide your AI strategy and demonstrate a real return on your investment.

Contact us for anything Node.js-related: it’s as simple as 1-2-3

1
Schedule a call
After you fill out the form, our manager will contact you within 24 hours and arrange a call. If necessary, we are ready to sign an NDA.
At the meeting, we will get to know each other and discuss the project. We'll also talk about the approximate budget and deadlines.
2
Dive into project details
After the first meeting, a business analyst will contact you for a mini-audit: gathering technical requirements and creating a portrait of the project's target audience. To do that, we'll talk about your project, what your goals and restrictions are, and look at positive and negative references.
3
Prepare and submit
an estimate
We prepare a detailed estimate and presentation, which includes cost, timeline, team, and project roadmap.
After that, all that's left is to sign the contract,and we'll get started on your project! Now, let's talk about what happens after the estimate.

What Node js consulting services entail

1

Kick-off

What you get: Price estimation and concrete deadlines
Estimated timeline: 2 days
Our initial consultation is all about diving into your goals with Node js consulting services. We'll discuss your needs to outline a proposed scope, budget, and timeline. Once we have a plan that you're confident in, we'll map out the immediate next steps to bring your Node.js project to life.
2

Design from scratch or redesign

What you get: UI-kit, app designs ready for development
Estimated timeline: 1–1,5 months
We begin by drawing wireframes, or black and white screens of your future solution. They display the positions that each UI element is going to take. Once you greenlight those, we move on to creating a design concept — i.e. we take a bunch of screens and polish their design with your branding in mind. 
Then, our designers create a UI-kit. It’s a pack of icons and other elements that simplifies development and makes it easier to add new screens later.
3

Full stack JavaScript development, if necessary

What you get: Finished app
Estimated timeline: 2–5 months
We divide the entire development process into iterations, and we try to create or flesh out a single feature in each one of these iterations. This lets us change things on the fly, if need be.
4

QA testing, if necessary

What you get: Bug-free retail app with secure user data
Estimated timeline: concurrently with development
We try to find bugs before the app or update releases. Once we identify any weak points, we remove them so that hackers won’t get access to user data.
5

Update or full-fledged release

What you get: A released app with a list of potential improvements
Once we release your app or roll out an update for your existing Node.js software, we’ll keep a close eye on the first user feedback. It will allow us to make your platform better later on.
6

Support and maintenance

What you get: Regular updates
Our specialists will help you integrate the web application into your existing workflows. Aside from that, we’ll continue updating your Node.js app and providing bug fixes, so that it better attracts new users and keeps the old ones.
Have a Node.js project in mind?
We'd love to hear about it and offer our insights. Contact us for Node.js consulting services.
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Let’s go!
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Have a Node.js project in mind?
We'd love to hear about it and offer our insights. Contact us for Node.js consulting services.
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Request sent
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How much does it cost to develop a Node.js app from scratch

$50,000
For the MVP version of the app. Features include:
mapping out app architecture and user flow
turnkey design and scalable solution development
QA-testing
implementation and adoption, retail business processes restructuring
key feature development
Responsive UI
$80,000
For the full-fledged app. Features include:
mapping out app architecture and user flow
turnkey design and scalable solution development
QA-testing
implementation and adoption, retail business processes restructuring
key feature development, like personal dashboards or checkout
additional user scenarios and feature for software development

Here’s why we’re a great fit if you need a Node.js consultation

Good at painting the full picture, fast

We combine rigorous research with an agile process to give you meaningful insights without the long wait. Working in short, visible sprints means you can track our progress and get plenty of eye-openers instantly.

Ready to join at any stage of the project

Whether you're starting with a blank slate, refining an existing product, reviving a stalled project, or just need support after launch, we'll meet you right where you are.
Our first step is always to listen. We'll work with you to understand your unique goals and challenges. Then, we’ll assemble a team and adjust our approach to fit your timeline and budget perfectly.

Great at digging deep and solving actual problems

Treating the actual cause instead of the symptoms is our specialty. 
We can conduct a thorough discovery of your web application to trace the slowdown to its source — whether it's inefficient code, bloated dependencies, or a misconfigured server. This way, the solution we deliver truly restores performance and health.

And here’s why you should choose us as a Node.js app development company

Experienced in 46+ niches

Our expertise lets us develop an app of any complexity. If you want to learn more about other niches we tipped our toes into, check out our projects in fintech, IoT, Smart TV, eCommerce, healthcare, real estate, and 41 other spheres.

Great at delivering results fast

We’ll provide a project manager that fills you in on everything. You’ll have scheduled calls with them on a weekly basis — this way, you can be confident that no meeting with investors will be missed.

Flexible

Whether you have a brilliant new idea mid-stream or the market shifts and a feature needs rethinking, we're here to pivot with you. We build flexibility into our process so your app can grow and change as you do.

Pain-free handoff

We'll help your team every step of the way, code reviews included. Not only will we guide you through adopting the app, but we'll also hand over clean, well-documented code that your developers can easily understand and build upon. 
They'll be able to jump in and make adjustments from day one — no complex puzzles to solve first.

Some facts about us

550+
Project released
Clients from all around the world
Working with customers from USA, UAE, Japan, and Germany
10 years
Of making apps for startups and businesses
>50К
Positive reviews collected by our customers' apps in the app stores
>7 years
Longest partnership with the client
200+
People on the team
Want to make your Node.js project a success?
We'll provide the expert guidance you need. Just reach out!
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Incorrect number
Incorrect Email
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Please fill in all fields
Let’s go!
Let’s go!
Want to make your Node.js project a success?
We'll provide the expert guidance you need. Just reach out!
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Service of interest
Budget
Please select one option in each category
Request sent
Our manager will contact you shortly.
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What our clients say

Обложка со скриншотами сервиса Поговорим.онлайн
William Angel
Personalised — wellness app design

Purrweb is one of the fastest agencies if not the fastest one that I’ve ever worked with. In terms of budget, the cost was very affordable — not too much more than you expect from a typical freelancer yet the quality level that you’re buying for that is definitely top end. I'd love to mention that we originally planned to build MVP design but the design that we got is much better — the guys from Purrweb weren’t just a yes-man, they were challenging some of our ideas with constructive feedback and the product we ended up with as a result is very high quality.

Personalised — wellness app design
Healthcare, Marketplace, Personalized, Push-notifications, Dsdashboards

Personalized Co. is a data-driven wellness brand revolutionizing the supplement space. Unlike traditional pharmaceutical giants, this direct-to-consumer startup combines personalized supplementation with holistic health support. Beyond just selling tailored supplements, they try to help users in the long-term — reminding to take vitamins, nudging them toward wellness habits, and acting as a 24/7 ally in their health journey.

View full case
Обложка со скриншотами сервиса Поговорим.онлайн
Seth Abel-Sadeq
KEM — Payment app

My name is Seth Abel and I’m CEO at Fintech company called KEM. We provide payment services and help people to connect with each other in terms of the financial matters. We really needed help with developing an MVP. Our banking partners required an MVP from us to demonstrate our ability to put up a product. I think the job was done really swiftly and very effectively. A good product was delivered, so I was really happy with the services and I would definitely recommend Purrweb.

KEM — Payment app
Fintech, Linking of bank cards, QR codes, Transaction history, $4 mln of investments raised in two rounds, >100k users at MVP stage

Kem is a P2P payment app that lets users manage their money, link cards, send instant transfers to contacts, and keep track of transactions. With its built-in QR scanner, users can quickly add new  people to their contact list or send payments on the spot — no hassle required.

View full case
Обложка со скриншотами сервиса Поговорим.онлайн
Matt Brzowski
Founder
Buzz

My name is Matt Brzowski, and I'm the founder of a local events app called Buzz. I came to Purrweb with an app idea, and the team helped us come up with a company brand. We went through the whole design process and made an MVP that we could take into development. The design team at Purrweb is extremely qualified and open to iterating on designs. We were at an early stage with our company when we came to Purrweb, and the team was able to stick with us through all the big transformational work. They helped us cater our logo, brand, and our mobile app to accomplish our goals. I really liked the design prowess and the flexibility.

Buzz
Events, Payments, Event browser, Maps integration

Buzz! is an event discovery app that lets users explore, organize, and immerse in  events. From underground gigs to Comic-Con-scale spectacles — Buzz! got you covered. With this app users can find an event, buy a ticket and go straight to Google Maps for directions.

View full case
William Angel
Personalised — wellness app design

Purrweb is one of the fastest agencies if not the fastest one that I’ve ever worked with. In terms of budget, the cost was very affordable — not too much more than you expect from a typical freelancer yet the quality level that you’re buying for that is definitely top end. I'd love to mention that we originally planned to build MVP design but the design that we got is much better — the guys from Purrweb weren’t just a yes-man, they were challenging some of our ideas with constructive feedback and the product we ended up with as a result is very high quality.

Personalised — wellness app design
Healthcare, Marketplace, Personalized, Push-notifications, Dsdashboards

Personalized Co. is a data-driven wellness brand revolutionizing the supplement space. Unlike traditional pharmaceutical giants, this direct-to-consumer startup combines personalized supplementation with holistic health support. Beyond just selling tailored supplements, they try to help users in the long-term — reminding to take vitamins, nudging them toward wellness habits, and acting as a 24/7 ally in their health journey.

View full case
Seth Abel-Sadeq
KEM — Payment app

My name is Seth Abel and I’m CEO at Fintech company called KEM. We provide payment services and help people to connect with each other in terms of the financial matters. We really needed help with developing an MVP. Our banking partners required an MVP from us to demonstrate our ability to put up a product. I think the job was done really swiftly and very effectively. A good product was delivered, so I was really happy with the services and I would definitely recommend Purrweb.

KEM — Payment app
Fintech, Linking of bank cards, QR codes, Transaction history, $4 mln of investments raised in two rounds, >100k users at MVP stage

Kem is a P2P payment app that lets users manage their money, link cards, send instant transfers to contacts, and keep track of transactions. With its built-in QR scanner, users can quickly add new  people to their contact list or send payments on the spot — no hassle required.

View full case
Matt Brzowski
Founder
Buzz

My name is Matt Brzowski, and I'm the founder of a local events app called Buzz. I came to Purrweb with an app idea, and the team helped us come up with a company brand. We went through the whole design process and made an MVP that we could take into development. The design team at Purrweb is extremely qualified and open to iterating on designs. We were at an early stage with our company when we came to Purrweb, and the team was able to stick with us through all the big transformational work. They helped us cater our logo, brand, and our mobile app to accomplish our goals. I really liked the design prowess and the flexibility.

Buzz
Events, Payments, Event browser, Maps integration

Buzz! is an event discovery app that lets users explore, organize, and immerse in  events. From underground gigs to Comic-Con-scale spectacles — Buzz! got you covered. With this app users can find an event, buy a ticket and go straight to Google Maps for directions.

View full case