Hire Expert Chatbot Developers

DevTeam.Space is an invite-only vetted community of expert Chatbot developers and development teams supported by an AI-powered agile process. Top companies and startups rely on us to build great Chatbots using the latest technologies like Dialogflow, Microsoft Bot Framework, TensorFlow, PyTorch, Keras, and more.

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Top 12 Expert Chatbot Developers to Hire in 2026

Carl
Carl Android Developer
United States
Experience: 7 years
Availability: Full-time
Android Developer at DevTeam.Space since April 14, 2019
Carl has more than 7 years of experience in mobile app development and Android app development. His primary expertise lies in Java, Kotlin, Android SDK, AndroidX, and Dagger 2. View Carl's Profile
Expert In
Also worked with
GraphQL
Dan
Dan Ruby Developer
Europe
Experience: 8 years
Availability: Full-time
Ruby Developer at DevTeam.Space since November 23, 2020
Dan is an expert full-stack developer with 8 years of experience, with a focus on Ruby, JavaScript, TypeScript, React.js, and Angular 2+. View Dan's Profile
Expert In
Chatbot
Ruby
React
AWS
JavaScript
Also worked with
jQuery
React
Redux
Daniel
Daniel React Native and Node.js Developer
Europe
Experience: 8 years
Availability: Full-time
React Native and Node.js Developer at DevTeam.Space since July 13, 2018
Daniel is an expert full-stack developer with 8 years of experience. He is highly skilled in React Native, JavaScript, React.js, Redux, and  Node.js. View Daniel's Profile
Expert In
Chatbot
React
JavaScript
AWS
Also worked with
jQuery
Redux
John
John Python and JavaScript Developer
Europe
Experience: 8 years
Availability: Full-time
Python and JavaScript Developer at DevTeam.Space since February 28, 2021
John is an expert web developer with more than 8 years of experience. He is skilled in JavaScript, TypeScript, Python, Django, React.js, Redux, Redux-Saga, PostgreSQL, and MySQL. View John's Profile
Expert In
Chatbot
AWS
JavaScript
Python
React
Also worked with
jQuery
Redux
Dennis
Dennis JavaScript and Node.js Developer
Europe
Experience: 9 years
Availability: Full-time
JavaScript and Node.js Developer at DevTeam.Space since December 31, 2015
Dennis is a full-stack web developer with 9 years of expertise, specializing in JavaScript technologies such as Angular 2+, React.js, Vue.js, and Node.js. View Dennis's Profile
Expert In
Chatbot
JavaScript
React
Also worked with
jQuery
Redux
Alex
Alex Ruby and Node.js Developer
Europe
Experience: 8 years
Availability: Full-time
Ruby and Node.js Developer at DevTeam.Space since January 9, 2017
Alex is an expert web application developer with 8 years of experience, specializing in Ruby, JavaScript, and Node.js. View Alex's Profile
Expert In
Chatbot
Ruby
React
JavaScript
AWS
Also worked with
MongoDB
MySQL
PostgreSQL
Redis
Daniel
Daniel ML and Data Science Developer
Europe
Experience: 5 years
Availability: Full-time
ML and Data Science Developer at DevTeam.Space since October 31, 2021
Daniel is a data scientist with 6 years of experience in machine learning. View Daniel's Profile
Expert In
Chatbot
Python
Also worked with
Keras
PyTorch
TensorFlow
Kerry
Kerry ML and Data Science Developer
United States
Experience: 6 years
Availability: Full-time
ML and Data Science Developer at DevTeam.Space since November 14, 2021
Kerry is a data scientist with 6 years of experience specializing in machine learning, working with startup and enterprise clients. View Kerry's Profile
Expert In
Chatbot
Python
Also worked with
PyTorch
Anton
Anton ML, Data Science and Python Developer
Europe
Experience: 12 years
Availability: Full-time
ML, Data Science and Python Developer at DevTeam.Space since May 31, 2016
Anton has 12 years of experience in high-load system development and 8 years of development experience in artificial intelligence, neural networks, and computer vision. View Anton's Profile
Expert In
Chatbot
Python
JavaScript
Danil
Danil ML and Data Science Developer
Europe
Experience: 5 years
Availability: Full-time
ML and Data Science Developer at DevTeam.Space since November 11, 2021
Danil is an expert data scientist with 5 years of experience in machine learning. View Danil's Profile
Expert In
Chatbot
Python
Also worked with
Keras
TensorFlow
Tony
Tony ML and Data Science Developer
Europe
Experience: 10 years
Availability: Full-time
ML and Data Science Developer at DevTeam.Space since September 24, 2017
Tony is an expert data scientist with a decade of experience in software development and has led teams on various innovative projects. View Tony's Profile
Expert In
Chatbot
Python
Also worked with
Keras
TensorFlow
Denis
Denis Python and JavaScript Developer
Europe
Experience: 8 years
Availability: Full-time
Python and JavaScript Developer at DevTeam.Space since February 27, 2022
Denis has 8 years of expertise as a full-stack developer. He uses JavaScript, TypeScript, and React.js for the frontend and Python or Django for the backend. View Denis's Profile
Expert In
Chatbot
Python
React
AWS
JavaScript
Also worked with
jQuery
Redux
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Hiring tips and resources
  • How to Interview and Hire Chatbot Developers
Testimonials
Jonathon Nostrant
Jonathon Nostrant CEO, Hardware Startup
DevTeamSpace team is proactive, drawing on operating experience to understand not only your vision but also its purpose; they are skilled, making the right judgment calls and iterating quickly; and they get customer service, providing honest counsel on cost-benefit and real-time process transparency. I highly recommend DTS and look forward to working with them again!
Nic Poulos
Nic Poulos Founding Partner, Bowery Capital
We're a hardware company and have to have top experts across all fields related to IoT. DevTeam.Space's approach was extremely appealing to us – they were able to connect expert-level dev teams for our AWS server, mobile applications, and firmware within days. Having these teams following the same structured process and supported by the AI-powered system allowed us to progress much faster. If you're looking for high-end dev resources try DevTeam.Space!
New York, NY
Rahul Thathoo
Rahul Thathoo CTO, MyTime
DevTeam.Space has been a great support to us. We needed help with frontend specific projects for a big release. They came on board, with almost no time taken in ramping up with our code base, and were able to deliver on time! For fast, effective service, contact DevTeam.Space.
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Natural Language Processing for a Book Publisher
ClientEksmo is one of the largest publishing houses in Eastern Europe.ChallengeThe client approached us to develop a natural language processing engine to classify their books by genre.SolutionOur expert machine learning development team developed several custom neural networks for classifying books by genre and implementing them on their...
Europe
EcommerceMachine Learning
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Case Study Backend Education Frontend JavaScript
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ClientNoble Network is a nonprofit organization that operates 17 charter public high schools and one middle school in the Chicago area.ChallengeThe client approached DevTeam.Space with the task of updating its website design and frontend codebase and developing a custom solution for managing all 17 chapters. Noble Network's management team...
IL, United States
MultisiteNon-profit
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ClientA web and desktop-based platform that automates user account management for any web application (like multiple accounts on social networks).ChallengeThe client approached us to develop a new custom user management platform to efficiently manage multiple accounts across different websites, including social networks. The client requested...
CA, United States
Desktop and WebAggregator
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Case Study Android AWS B2B Backend
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What is Island Bargains?Source: Island BargainsIsland Bargains is a Caribbean shipping company. The company provides low-cost shipping, Third Party Logistics, freight forwarding & clearing services via boat and air to the Caribbean & South America.ClientIsland Bargains is a shipping and logistics company that provides shipping,...
FL, United States
EnterpriseShipping
View Case Study
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How DevTeam.Space Works
Tell Us About Your Project or Hiring Needs
Tell Us About Your Project or Hiring Needs
Submit a request. Your dedicated tech account manager will then contact you to assess your needs in detail and answer any questions.
Get the best dev team & project roll-out within days
Get the best dev team & project roll-out within days
A team of field-expert engineers is assigned to your project according to your needs. Once approved, we set up the process and get started.
Stay on top of your project & track progress in real-time
Stay on top of your project & track progress in real-time
Our data-driven agile process ensures a consistent delivery on your project weekly sprints. It is transparent and provides you with regular updates and roadblock tracking.
Get the highest ROI with Zero Risk
Get the highest ROI with Zero Risk
Achieve your goals with minimum hassle, maximum ROI, and zero risk. We'll hold your payment until you are 100% satisfied and all agreed tasks are completed.

Chatbot Developers Technology Stack

Programming Languages
4
Frontend
4
React Next.js Vue.js Tailwind CSS
Backend
7
FastAPI Django Node.js Express NestJS GraphQL Socket.io
Databases & Storage
5
PostgreSQL MongoDB Redis Elasticsearch Supabase
Cloud & Infrastructure
3
Google Cloud Azure Vercel
DevOps & CI/CD
4
Docker Kubernetes GitHub GitLab
Testing & QA
3
pytest Jest Playwright
AI & Data Science
5
Streamlit PyTorch TensorFlow Pandas Jupyter
Tools & Services
4
Git VS Code PyCharm Postman
Testimonials
Jonathon Nostrant
Jonathon Nostrant CEO, Hardware Startup
DevTeamSpace team is proactive, drawing on operating experience to understand not only your vision but also its purpose; they are skilled, making the right judgment calls and iterating quickly; and they get customer service, providing honest counsel on cost-benefit and real-time process transparency. I highly recommend DTS and look forward to working with them again!
Nic Poulos
Nic Poulos Founding Partner, Bowery Capital
We're a hardware company and have to have top experts across all fields related to IoT. DevTeam.Space's approach was extremely appealing to us – they were able to connect expert-level dev teams for our AWS server, mobile applications, and firmware within days. Having these teams following the same structured process and supported by the AI-powered system allowed us to progress much faster. If you're looking for high-end dev resources try DevTeam.Space!
New York, NY
Rahul Thathoo
Rahul Thathoo CTO, MyTime
DevTeam.Space has been a great support to us. We needed help with frontend specific projects for a big release. They came on board, with almost no time taken in ramping up with our code base, and were able to deliver on time! For fast, effective service, contact DevTeam.Space.
Bryan Cutter
Bryan Cutter CIO, Hedge Fund Company
DevTeam.Space built a custom web portal for a hedge fund. They handled a complex development project, remaining organized and professional throughout. They're accessible and tackle any challenge. Customers can expect a quick and skilled development team.
Singapore
Alex
Alex IT Director, Non-profit Organization
We manage the IT for an almost 100 year old international Not-For-Profit Foundation. Between our inhouse team and DevTeam.Space we made our deadline, and have received overwhelmingly positive feedback from the end-users and management.
New York, NY
Richard Chilton
Richard Chilton Owner, Island Bargains
We needed a new long-term product development partner to identify the issues, and ideally, take over the entire product. The performance of our shipping platform increased dramatically since DevTeam.Space stepped in. We plan to continue working with them on a long term basis.
Fort Lauderdale, Florida
FAQs on Hiring Chatbot Developers
Should I opt for custom chatbot development or a no-code chatbot development platform?

You likely want to improve your customer engagement considerably, which is why you want to launch a chatbot. Delivering customer satisfaction often involves meeting customized and complex requirements. Custom chatbot development enables you to do that, however, no-code chatbot development platforms don’t allow customization. We recommend custom chatbot development.

Why do companies use Python for chatbot development?

Python offers many advantages to chatbot developers, e.g.:
Python has extensive NLP capabilities.
This open-source programming language offers comprehensive ML capabilities.
You can integrate a chatbot with messaging platforms like Facebook Messenger using Python libraries.
Python libraries also help Slack bot developers similarly.

Should I use a chatbot consulting and development company for complex projects?

Analyze your requirements and in-house capabilities first. Do you have complex requirements, e.g.: voice bots, integration with existing systems, managing large-scale business interactions with users of ERP systems, etc.? Do you lack in-house expertise? You should then engage a reputed chatbot development company with strong foundations and proven track records.

Hire Chatbot Developers Guide

Aran Davies

By Aran Davies LinkedIn

Expert In Python Swift

Are you wondering how to hire chatbot developers? Many start-up leaders or enterprise project managers do so, too, since many companies build bots to meet diverse business goals.

Businesses use chatbots to enhance customer engagement, automate simple and repetitive business processes, answer queries from clients worldwide, etc. Naturally, the demand for chatbots grows. Market observers state that the global chatbot market will register an impressive 23.3% CAGR between 2023 and 2030.

The soaring demand for chatbots naturally raises the demand for credible chatbot development services. However, chatbot development involves advanced technologies like artificial intelligence (AI), machine learning (ML), and natural language processing (NLP). You can see how hiring skilled chatbot developers becomes challenging!

Companies sometimes think of hiring freelancers for chatbot development. This can be risky, though. Your best bet could be to hire dedicated chatbot developers from a leading chatbot development company like DevTeam.Space.

You need to understand the custom chatbot development skill requirements before hiring developers. The best chatbot developers must have the following skills:

Primary skills for chatbot development

You want chatbot developers with a bachelor’s degree in computer science, information technology, or related fields. They need the following primary technical skills:

  • Good knowledge of AI, ML, and NLP;
  • In-depth knowledge of NLP platforms and frameworks like Google Dialogflow, the Microsoft Bot Framework, and IBM Watson;
  • Familiarity with popular tools used for creating chatbots;
  • Experience in using neural networks like LSTM (Long Short-Term Memory) and Transformer networks;
  • Understanding of language models like GPT;
  • Sound knowledge of programming languages like Python or Java;
  • Deep knowledge of machine learning algorithms;
  • Good understanding of deep learning and conversational AI;
  • Knowledge of SQL and NoSQL databases like MySQL, PostgreSQL, MongoDB, etc.;
  • Sufficient knowledge of front-end web development technologies like JavaScript, HTML, and CSS;
  • Familiarity with back-end web development technologies like Node.js and RESTful APIs;
  • Familiarity with cloud computing platforms like Google Cloud Platform, AWS, etc.
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Developers need sufficient experience in developing chatbots from scratch and in chatbot testing. They need to prepare data for testing and training the AI bot, which involves the following:

  • Collecting data sets from relevant sources;
  • Organizing data sets;
  • Removing duplicate data;
  • Correcting errors in data sets;
  • Eliminating sensitive personal information;
  • Deleting irrelevant data;
  • Finding out biases in data sets and correcting them.
  • Reviewing data sets.

Other skills relevant to providing chatbot development services 

Developers need the following additional skills for building chatbots:

1. Application Security

Chatbot developers work with vast data sets for testing and training chatbots. They must prevent tampering with data sets and privacy breaches.

Developers need to use appropriate application security tools and technologies, e.g.:

  • Multi-factor authentication (MFA);
  • Secure authentication tokens;
  • Authorization and access control technologies.

They should know how to prevent application vulnerabilities like SQL injection and cross-site scripting (XSS).

2. Software development processes

Chatbot developers need familiarity with the following:

  • Testing and DevOps processes;
  • Code review and review strategies;
  • Coding guidelines and best practices;
  • Software development methodologies like agile;
  • Software architecture;
  • User interface design considerations.

3. The ability to work in a team environment

Developers need the following competencies to work effectively in a team environment:

  • Teamwork;
  • Empathy;
  • Communication skills;
  • Collaboration skills;
  • Problem-solving skills;
  • A passion for excellence;
  • Commitment to the common objective of the team.

How to find the best chatbot developer?  

Now that you understand the chatbot development skill requirements, you can initiate the hiring process. Do the following:

 1. Choose a platform to hire chatbot developers

Companies in various industries hire freelancers nowadays, and you might be thinking of this option too. You might even get freelancers at a low hourly rate. We, however, strongly encourage you to focus on your business needs.

Hiring freelancers can expose you to various risks, e.g.:

  • You will find it hard to evaluate the relevant skills of freelancers.
  • Freelancers work part-time on a project, and you might not get adequate contributions from them.
  • Managing freelancers can be challenging. If you hire remote chatbot developers on a freelance platform, project management becomes even more challenging.
  • Freelancers might leave a project midway. In that case, you need to hire replacement developers.
  • You can’t get any project management support from freelance platforms.

You can deliver a superior customer experience by hiring chatbot developers from DevTeam.Space instead. We have a proven track record as a chatbot development company. DevTeam.Space offers the following advantages:

  • Dedicated developers with skills, experience, and motivation;
  • Developers trained in our world-class development processes;
  • Comprehensive vetting processes to screen developers;
  • Teams with a strong foundation in AI/ML/NLP;
  • Considerable experience in developing complex business solutions; 
  • Project management support;
  • A transparent communication process;
  • Flexible hiring models.

We go beyond offering developers and teams. If you need, we can deliver your project from beginning to end. You can then work to improve customer engagement and streamline operations. Hire from DevTeam.Space to deliver excellent user experiences.

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2. Interview chatbot developers  

You have posted your job ad and received resumes. You now need to interview candidates. If you hire developers from DevTeam.Space, then you don’t need to take extensive interviews. We already do the heavy lifting for you, thanks to our comprehensive vetting process!

You need to take very detailed interviews if you hire freelancers, though. Our interview questions can help. The following are a few examples:

You should cover all relevant technical areas during the interview. Avoid asking only theoretical questions.

Ask questions to evaluate how developers solved problems in their past projects. You can explain your project requirements and ask how they would approach such projects. Look for specific answers and not jargon.

3. Get chatbot developers started on your project

You need developers to become productive quickly. An effective onboarding process goes a long way toward that. Do the following:

  • Explain the project requirements and technical solutions to the new team members.
  • Share the relevant project documents.
  • Grant the required access to the new developers.
  • Explain the project plan, schedule, work intake, and approval processes.
  • Introduce the new developers to your existing team and explain the roles and responsibilities.
  • Set up an effective communication process.

Interview tips for hiring chatbot developers 

The following interview tips might help you:

1. Ask questions relevant to your project  

You should ask questions that are relevant to your project requirements. For example, if you want to use the Microsoft Bot development framework, evaluate candidates for this skill.

Alternatively, do you need to launch voice-enabled chatbots? Check whether developers have worked on such projects.

Are you interested in Facebook chatbots or Telegram bots? Ask candidates whether they have developed such bots.

2. Look for sufficiently senior developers if you have a complex project    

Do you plan to launch chatbots with strategic objectives? Perhaps you want to analyze customer behavior and improve business operations based on the findings. That’s quite different from simple chatbots that improve efficiency by automating simple tasks.

It takes a complex chatbot to enhance customer experience considerably or streamline operations. Such chatbots need to have considerable self-learning abilities.

On such projects, you need senior developers who work closely with end-users to understand the requirements. Hire developers suitable for the complexity of your project.

3. Choose service providers that respond to your dynamic business requirements

Your business requirements might change often. Hire developers from a company that can adequately respond to dynamic requirements.

To take an example, you had earlier planned to hire chatbot developers only. You found later that your existing team is too stretched. Therefore, you need developers to create websites, mobile apps, and messaging apps too. Your service provider should be able to provide web/mobile developers on short notice.

Alternatively, let’s assume you wanted to take the cost advantages of hiring remote chatbot developers. You don’t want additional project management overhead, though. Your service provider should be able to provide project management support in addition to remote programmers.

DevTeam.Space can respond to dynamic business requirements thanks to our flexible hiring models.

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Examples of interview questions to ask when hiring chatbot developers

Check out the following examples of interview questions

1. Why is data normalizing important when developing chatbots?

Data normalizing is an important step in many AI/ML/NLP development projects. You use the data normalizing process to organize data sets for training and testing. You will use specific formats for organizing data. These formats make it easy for your AI/ML/NLP system to read and understand the datasets.

Now, a chatbot needs to understand inputs from users. Different users might enter their inputs in different ways. Your chatbot needs to read different formats of input accurately. Therefore, you should train it with data organized in various formats. You use data normalization to prepare data into those formats.

2. Which key risks should be mitigated when creating a technical solution for or developing an AI chatbot?

Architects creating technical solutions for AI chatbot development, or developers creating such bots, should mitigate the following key risks:

  • The chatbot might not understand the requests from users.
  • Chatbots might not understand the context of queries from users.
  • The chatbot might stop responding, requiring users to start the conversation flow again.
  • Chatbots might respond slowly.
  • Users might get incorrect information from the chatbot.
  • The chatbot might not complete the tasks expected of it.
  • The user interface of the chatbot might be hard for users to understand. 

3. How will you match patterns of words and phrases to keywords while training an AI chatbot?

AI chatbot developers should use AIML (Artificial Intelligence Markup Language) for this. They should write pattern templates using AIML for training chatbots. In these pattern templates, they should match keywords to word and phrase patterns.

Submit a Project With Zero Risk

Developing a custom chatbot application can be a complex project. You need highly skilled developers. Naturally, you shouldn’t settle for anything other than a capable chatbot development team.

DevTeam.Space, a trusted community of field expert software developers, knows how to develop great custom chatbots. We have dedicated and experienced chatbot developers. Our developers are extensively vetted; furthermore, we train them on our robust agile software development process.

We match the right developers or team to your business requirements. Fill out the DevTeam.Space product specification form to find out how we can help you. A dedicated account manager will contact you soon.

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