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Top freelance Langchain developers available to hire
**Stuck on a tricky bug in your AI-generated code? Need to turn a fragile prototype into a production-ready app?**
I'm a **senior AI engineer** who specializes in solving the unique challenges of building with LLMs and automation tools.
As an expert in both **AI code rescue** and **workflow automation**, I can help you with:
* **Debugging Tricky AI Code:** We'll jump on a call and fix that bug in your `LangChain`, `OpenAI`, or `Replit` project.
* **MVP Code Reviews & Hardening:** I'll perform a detailed review of your prototype for security, scalability, and best practices to get it ready for launch.
* **Building Custom AI Workflows:** As a freelancer, I can architect and build the efficient automations your business needs.
* **Career Mentorship:** I can guide you on the path to becoming a highly skilled AI Automation Engineer.
---
### **Example Freelance Engagements**
Below are examples of common freelance projects I can help you with. If your project looks like one of these, send me a message with the details, and I can provide an hourly estimate.
* **AI-Generated MVP: Code Review & Hardening Plan**
* I perform a comprehensive review of your prototype's codebase. You'll receive a detailed report covering security vulnerabilities, scalability issues, and a concrete action plan to get your MVP production-ready.
* **Build a Custom AI Automation Workflow**
* I work with your team to map out a key business process and build a robust AI-powered automation to improve efficiency. Ideal for sales, marketing, or internal support workflows.
---
My stack includes `Node.js`, `Python`, `React`, `LangChain` & `OpenAI`. Let's solve your problem—**book a session or send me a message!**
Looking for an expert in Machine Learning, Data Science, Computer Vision, GAN, NLP, CHATGPT, GEMINI, Stable Diffusion, PyTorch, TensorFlow, LangChain, LlamaIndex, real-time chatbot agents, customer recommendation systems, churn modeling, dynamic pricing, fraud detection, and image recognition?
Let's talk.
At Google Brain Team, I was developing the TensorFlow library that is the most popular machine learning library. I love the using TensorFlow because I know the infrastructure very well. I have been working on Artificial Intelligence topics for about 4 years. I 'm following latest papers from AI projects and even have a blog that I review. I have also contributed several various open source AI projects, such as jax, flax, fastai, etc.
I have direct experience in the following technologies/topics:
✅ Machine Learning (Deep Learning, Clustering, Classification, Regression, SVM, PCA, KNN, etc)
✅ Computer Vision (Image Classification, Object Detection, Object Tracking, Image Segmentation, GANS, Pix2Pix, StyleGAN, etc.)
✅ Natural Language Processing, (RNN, Transforms, Named-Entity Recognition, Sentiment Analyzing, Summarizing, SOA Models(Bert, GPT, T5))
My toolkit:
✅ TensorFlow (Core, Addons, Datasets, TensorBoard, TFLite),
✅ PyTorch,
✅ Scikit-Learn,
✅ Numpy,
✅ Pandas,
✅Matploblib,
✅ NLTK,
✅OpenCV,
✅Knet.jl,
✅Jax,
✅spaCy,
✅Hugging Face,
I love working on challenging topics and it is of immense significance to me personally to develop high-quality software. I am a process-orientated person and most of my customers find it useful to finish tasks effectively.
As a seasoned full-stack architect and certified cloud developer with over 14 years of diverse IT experience, I bring knowledge and expertise to every project. My proficiency spans Java 21, Spring Boot, Spring Cloud, Python, OSGi, Apache Wicket, Node.js, Angular, and TypeScript, ensuring robust and scalable solutions tailored to client needs.
My hands-on experience with Docker and Kubernetes enables me to create efficient, containerized applications that streamline development and deployment processes. Furthermore, I have vast DevOps experience, expertly utilizing Azure ADO, Git, and CI/CD pipelines to enhance development workflows and ensure seamless integration and delivery.
As a certified Azure Cloud Architect, I specialize in designing and implementing cloud infrastructure that drives innovation, operational efficiency, and scalability. I have successfully architected and deployed numerous cloud-based solutions, leveraging the power of Azure to deliver high-performance, secure, and cost-effective systems.
I possess strong communication skills and excel in distributed environments, ensuring clear and effective collaboration with distributed teams and clients. My ability to articulate complex technical concepts has been instrumental in driving project success.
I have significant experience in Kafka, building RESTful services, and working within a microservices environment, which allows for scalable, resilient, and maintainable software architecture.
I am an experienced Software Development Engineer and Developer mentor. I specialise in architecting, building, deploying, and integrating web applications and their backends.
I transform business challenges into breakthrough mobile experiences by fusing cutting-edge AI with sophisticated iOS engineering.
**DEEP EXPERTISE THAT DELIVERS RESULTS:**
• 13+ years developing enterprise-grade iOS solutions using Swift, SwiftUI, and UIKit
• Specialized in integrating LLMs, ML models, and AI systems into production applications
• Former Senior Engineer at Uber (wallet team) and lead developer for nu.nl (Netherlands' largest news platform)
• Creator of open-source Whisperboard (voice transcription app with on-device AI processing)
**WHAT SETS MY WORK APART:**
I don't just code – I architect transformative solutions with meticulous attention to scalability, performance, and business impact. My projects consistently deliver enhanced user experiences while optimizing development workflows.
My recent innovations focus on revolutionizing productivity through AI automation pipelines, custom LLM implementations, and Stable Diffusion integration – creating tools that provide unmatched competitive advantages.
**WHY EXECUTIVES & PRODUCT TEAMS CHOOSE MY EXPERTISE:**
• Technical excellence combined with business acumen and strategic vision
• End-to-end delivery capability – from initial concept to deployed, scalable solutions
• Predictable execution through rigorous planning and architectural foresight
• Clear communication and commitment to measurable outcomes
I've transitioned beyond standard development to focus on building exceptional digital products that create freedom, efficiency, and measurable ROI. My approach blends technical mastery with an unwavering commitment to your business objectives.
**READY TO ELEVATE YOUR MOBILE & AI STRATEGY?**
Let's discuss how my expertise can deliver exceptional value to your organization.
**SIGNATURE PROJECTS:**
• [Whisperboard](https://apps.apple.com/us/app/whisperboard/id1661442906) - Revolutionary open-source voice transcription app powered by AI
• [GetLost](https://apps.apple.com/us/app/getlost-explore-consciously/id1584133759) - Feature-rich social platform for travelers with location intelligence
• nu.nl - Developed core features for the Netherlands' highest-traffic news application
• Uber - Engineered critical wallet functionality used by millions globally
tarasenko.dev
Expert in Gen AI, LLM, Chatbots, Java, Go, Android, OS, Shell scripting, AWS, Spring Boot, JavaScript, TypeScript, NodeJS.
I have worked with Java, built microservices using spring boot. I have experience in building services using NodeJs, typescript.
I have developed chatbots using **LLM and retrieval augmented generations.**
I am also a mentor, I like the process of mentoring, as both mentor and mentee learn in the process, through mentoring, I accelerate my learning because there is always something that you learn or re-learn during mentoring.
> 100% success rate - full refund if I cannot solve your problem.
Are you a software engineer dealing with tough problems?
Recent bootcamp/college grad feeling overwhelmed?
New job and struggling to keep up?
Obscure technical problems in your code? I can help!
<sub>My rate reflects my success guarantee and familiarity with the latest tech. You're paying for quality.</sub>
### Background
___
Seasoned full-stack Silicon Valley engineer.
7+ years of experience building & deploying robust applications from conception to production at large-tech company scale and startups.
My core principle is **empathy** - understanding your unique situation & background allows me to work with you to develop the ideal solution for your problems.
I enjoy teaching and promise you will leave our session having learned something new.
### Skills
___
I specialize in the Javascript stack with expertise in Typescript.
Well-versed in building backend services and serverless functions in Node.js, talking to SQL/no-SQL databases, and frontend applications in React and Next.js.
I can help in every step of the stack - from app conception to deployment (AWS, Vercel) and scaling, including local development best practices, testing, logging/alerting, and structure/layout. Typescript is my magic weapon.
I pride myself on strong written + oral communication skills, and I know how to convey the right amount of information in a package unique to your understanding of a topic.
<sub>If you want expertise beyond my listed skills, reach out. I may offer a discount if you need to accomplish a task using technology I'm interested in learning about.</sub>
now recording Angular Pro Screencast, check it out:
English - https://www.youtube.com/watch?v=TknzOuainDQ&list=PLLf-VBOaoVk1E9fTBZdq1CfnRa2TtL_Kb
Russian - https://www.youtube.com/watch?v=eo46g9s46bk&list=PLLf-VBOaoVk3RI62s7nK5RD_yMKGCxAdL
Also from time to time do Free Angular Crash course to help to start with Angular - https://www.youtube.com/watch?v=5juzxptjRhA&list=PLLf-VBOaoVk13kbkoV7Lql0xCnn5cd4Td
For more activities you can check my twitter - https://twitter.com/stevermeister
Builder, Founder, On Deck Fellow.
I spent the entire 2023 and 2024 building LLM solutions, some of which are in production like Prospector Pro in the UK - https://www.prospectorpro.co.uk
Previously, I have spent the last decade building products and startups across Europe and the US in industries like Luxury Retail, Fintech, LegalTech, IoT, and Social Networking with Typescript, React, React Native, NodeJS, NestJS, Prisma, PostgreSQL, Python, Django, Flask and FastAPI.
How to hire a freelance Langchain developer on Codementor
STEP 1
Post a Langchain request
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STEP 2
Review & chat with Langchain freelancers
Use our messaging feature to instantly chat with freelance Langchain developers around the world.
STEP 3
Hire the best Langchain freelancer
Choose the best freelance Langchain developer that meets your needs.
Frequently asked questions
How long do Langchain projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Langchain project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Langchain request on Codementor, check out our article.
How much does it cost to hire a freelance Langchain developer?
We don’t charge anything when you post a freelance hiring request for Langchain developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor Langchain developers different?
We do a comprehensive technical and communications screen of all Langchain developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Langchain developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your Langchain project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.