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Narola Infotech

4.7

2155

10.0

97%

Surat, India

$15 USD per hour

⭐ Top 1% on Freelancer.com | Narola Infotech - Digitalising Businesses Since 2005 ✎ About Us We are Narola Infotech, a globally recognized IT solutions company with 20+ years of experience delivering high-performance web, mobile, and enterprise software solutions to 1500+ happy clients across 50+ countries. Trusted by Fortune companies like CGI, L&T, Infosys, Biocon, and TVSNext. We don't just build software, we build lasting partnerships. Our approach is simple: understand your vision, deliver beyond expectations, and stay with you every step of the way. ✎ Why Choose Us? ➬ 20+ Years of Industry Experience ➬ 350+ Talented IT Professionals ➬ 3000+ Successfully Delivered Projects ➬ 95% Client Retention Ratio ➬ 4.9 ⭐ Clutch Rating ➬ 100% Project Success Ratio ➬ Clutch Top 1000 Companies Global 2022 ➬ Best Outsourcing Company - SGCCI ✎ Our Services ➬ Custom Web & Mobile App Development ➬ Custom Enterprise Software Development ➬ AI/ML & Data Analytics Solutions ➬ QA & Software Testing (Automation, Security, Performance) ➬ DevOps, Cloud Migration & Managed Services ➬ Salesforce Consulting, Implementation & Support ➬ Staff Augmentation - Dedicated Teams or Individual Developers ➬ Support & Maintenance ✎ Tech Stack ➬ Frontend: ReactJS, AngularJS, VueJS, NextJS, NuxtJS ➬ Backend: Node.js, Java, PHP, Laravel, .NET, Python, Django, WordPress ➬ Mobile: Flutter, React Native, iOS (Swift), Android (Java/Kotlin) ➬ Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, CI/CD, Terraform ➬ Database: MySQL, MongoDB, PostgreSQL, Firebase, MS-SQL ➬ Other: Salesforce, MS Dynamics 365, Power Platform, Big Data, AI/ML, Automation ✎ Industries We Serve ● Fintech ● Healthcare ● Retail & Ecommerce ● Education ● Real Estate ● Media & Entertainment ●Transport & Logistics ✎ Our Strengths ➬ Agile Development Methodology ➬ Daily & Weekly Progress Reports ➬ Clear Communication & Collaboration ➬ 100% Plagiarism-Free & Secure Delivery ➬ Guaranteed Data Privacy & NDA Protection ➬ Flexible Engagement Models: ● Fixed Cost ● Time & Material (Hourly) ● Dedicated Team ● Hybrid Model (Fixed + Hourly) ✎ Our Promise "You will get the value of every penny you spend. We are committed to driving your business forward with reliable, quality solutions powered by technology and innovation." - Ashish Narola, CEO

Pre-Training PHP ASP Java JSP

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Techno Exponent

4.8

359

10.0

98%

Berhampore, India

$15 USD per hour

Techno Exponent is a globally recognized software development company with 355+ excellent reviews on Freelancer.com and a strong track record of delivering high-quality web, mobile, AI, automation, SaaS, CRM, ERP, eCommerce, and enterprise software solutions. We are not just a team of developers; we are a complete technology partner for businesses that want to build, modernize, automate, and scale their digital products. With a strong in-house team of experienced developers, designers, project managers, business analysts, QA engineers, and AI specialists, we help startups, SMEs, and enterprises transform their ideas into secure, scalable, and market-ready solutions. --------> What We Do We provide end-to-end development services across all industries, including: Custom Website Development Mobile App Development AI Chatbot & AI Agent Development SaaS Platform Development CRM & ERP Development eCommerce & Marketplace Development Healthcare & Telehealth Platforms Fintech & Payment Solutions Real Estate Platforms Logistics & On-Demand Applications Booking & Appointment Systems Workflow Automation Legacy Software Modernization API Development & Third-Party Integration Cloud Deployment & Maintenance AI & Automation Expertise We help businesses use AI practically, not just as a buzzword. Our team builds AI-powered chatbots, customer support automation, lead qualification systems, document-based AI assistants, workflow automation tools, recommendation engines, AI dashboards, and intelligent business process automation systems. Whether you need an AI chatbot trained on your website, PDFs, and documents, or a complete AI-powered business platform, we can design and develop a solution that fits your goals. -------->Why Clients Choose Techno Exponent 342+ strong reviews on Freelancer.com Experienced in-house development team CMMI Level 5 process-driven delivery End-to-end support from planning to launch Transparent communication and milestone-based execution Dedicated project manager and business analyst Strong UI/UX, development, QA, and deployment process Experience across multiple industries and business models Long-term maintenance and post-launch support --------> Our Approach We first understand your business objective, target users, workflow, and expected outcome. Then we prepare a clear development roadmap, define the required features, suggest the right technology stack, design the user experience, develop the system, test it properly, and support you after launch. Our goal is not only to complete the project, but to build a solution that is practical, scalable, and useful for your business. --------> Let’s Build Something Great If you are looking for a reliable, experienced, and quality-focused development partner, Techno Exponent can help you turn your idea into a powerful digital product. We are ready to discuss your project, suggest the right approach, and deliver a solution that matches your business vision.

Pre-Training PHP Java JavaScript XML

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The 'Core Techies'

4.7

205

8.5

94%

BIKANER, India

$15 USD per hour

Core Techies is a software development and AI engineering company helping startups and enterprises build scalable digital products, automation systems, AI-powered solutions, and SaaS platforms. Since 2013, we have successfully delivered 200+ projects across web applications, mobile apps, backend systems, enterprise software, workflow automation, and AI-powered products. Our expertise includes: 🚀 AI Agents & AI Applications Custom AI agents, conversational AI systems, RAG applications, LLM integrations, document intelligence, and business process automation. ⚡ Workflow Automation n8n, Make.com, Zapier, CRM automation, sales workflows, operational automation, lead management, customer support automation, and system integrations. 📱 Mobile App Development Flutter, Android, iOS, React Native, Firebase-powered applications, MVP development, and enterprise mobile solutions. 💻 Web & SaaS Development React, Next.js, Node.js, Python, Java, Spring Boot, custom SaaS platforms, admin dashboards, multi-tenant systems, and enterprise applications. 🔌 API & System Integrations CRM, ERP, payment gateways, third-party APIs, cloud services, communication platforms, and business system integrations. ☁️ Cloud & DevOps AWS, Google Cloud, Docker, Kubernetes, CI/CD, deployment automation, and scalable cloud infrastructure. Our team focuses on building practical solutions that improve operations, automate workflows, reduce manual effort, and help businesses scale efficiently. Whether you need an AI-powered product, SaaS platform, mobile application, automation workflow, or enterprise software solution, we can help transform your idea into a production-ready system.

Pre-Training Java JavaScript Python Website Design

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Choudhary Nouman M.

4.8

6.1

94%

Wah cantt, Rawalpind, Pakistan

$20 USD per hour

Hello I am Nouman Choudhary, a skilled eCommerce brand Manager and founder of AMZFBAConsultant. With more than 8+ years of experience in the industry, I have sharpened my skills in different areas to offer nothing but exceptional services to my clients. I am also working as an Amazon seller central and vendor central expert with an array of clients from different regions. My portfolio includes the experience of different Amazon cases and other eCommerce service specializations. I use only premium paid tools for offering services to my clients. My service list includes ● PPC Advertisings Campaigns Management & Optimization ● Teikametrics, Sellics & Helium10 Specialist ● PL Product Research & Product Listings using bulk feed file Operations for Variations etc ● Keywords Research & Top Competitors Analysis & Reverse Engineering ● Premium Enhanced Brand Content (EBC) ● Copywriting & HTML Designed Description ● Shopify Plus Stores Liquid Coding ● CSS PhP websites coder ● Laravel Custom websites ● Shopify store enhancements ● Custom Plugins & delegalization ● Ruby Rail Websites Coding ● Shopify (CRO) Conversion Rate Optimization ● HTML Landing Pages websites ● WordPress websites Optimization and Responsiveness ● Google ADs ● Meta ADs & Social Media Advertising ● Package designing ● Photoshop editing ● Infographics images ● lifestyle images ● USPTO, WIPO, and UKPTO Brand Registry Issues & Registration The premium tools that I use for providing services include Helium10, Jungle Scout, Viral Launch, Merchant Words, AMZ Scout Pro, FBA Calculator, and more. I strive to create long-term relationships with my clients by offering the highest-quality work in the mentioned time frame. For big projects and services, I lead a team of 5 individuals who are well-qualified and experienced. All the services and budget are negotiable. I would love to grow your business to new heights. Gratitude. Nouman Choudhary

Pre-Training PHP Python Website Design Graphic Design

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Fares B.

4.7

97%

bourges, France

$30 USD per hour

Are you looking for a talented and reliable developer skilled in C#, .NET, Python, and AI technologies? Look no further! With a strong background in Microsoft technologies and hands-on experience in artificial intelligence, I specialize in creating powerful, intelligent software solutions. My core skills include: Building robust tools and applications using C# and .NET Creating data scraper tools and automation scripts Designing responsive front-end interfaces from mockups (HTML, CSS, JavaScript) Developing full-stack applications with SQL and database integration Advanced proficiency in Python for AI, machine learning, and data processing Implementing and training models for image and video generation using CNNs, GANs, and diffusion models Using frameworks like TensorFlow, PyTorch, OpenCV, and Scikit-learn for deep learning and computer vision Applying transfer learning, model fine-tuning, and custom AI pipelines Integrating AI capabilities into real-world applications with both Python and .NET backends I'm passionate about solving complex problems and pushing the boundaries of what's possible with software and AI. I work closely with clients to bring innovative ideas to life—whether it's building from scratch or enhancing existing systems. Let’s collaborate to create smart, scalable, and future-ready solutions with C#, .NET, Python, and AI!

Pre-Training Python .NET Photography C# Programming

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Prakash M.

5.0

4.9

100%

Mysore, India

$25 USD per hour

Experienced in Image Processing.Can handle AI/Deep Learning Projects Libraries that i have worked on - OpenCv, TensorFlow, PyTorch, SFML, Cairo, Dlib, Several unity libraries. Languages - C++, C#, .net, Python, Java, Javascript Framework: .net framework, asp.net for backend server, android, Qt Modelling Tools - Blender, Game Development, VR(Oculus), MR(Hololens), AR(Android Phone) : Unity 3D

Pre-Training Java JavaScript Python .NET

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Salvador Hugo G.

5.0

2.2

100%

San Miguel De Tucumán, Argentina

$4.50 USD per hour

I have extensive experience in the field. Ten years working in the telemarketing and customer service area in different industries, good vocabulary, and lexicon management. Excellent tool management and commitment. Proven experience. If you are interested, please provide me with more information. At your disposal, I say goodbye attentively.

Pre-Training Copywriting Audio Services Logo Design Data Entry

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Bhanupratap P.

5.0

1.0

100%

Gotegaon, India

$20 USD per hour

Machine learning, Statistics,NLP,Deep Learning,Large Language Models are the core competencies.Love to finding pattern,trend and make a judgement based on the data.I am a mechanical engineer so can do mechanical domain specific work very efficiently with quality.

Pre-Training Python CAD/CAM Statistics AutoCAD

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Abutalha S.

5.0

2.1

100%

Pimpri-Chinchwad, India

$10 USD per hour

I build practical Python solutions focused on real-world results — machine learning, computer vision, data scraping, and backend web apps. My work includes object detection from images, automation scripts, data pipelines, and API-based systems using Django and FastAPI. I focus on clean code, reproducibility, and finishing projects reliably. GitHub (projects & code): https://github.com/38832

Pre-Training Python Web Scraping MySQL C++ Programming

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Clients rate our Pre-Training Experts

4.8 out of 5

from 2,826 reviews

How to hire a great freelance Pre-Training Expert

A Pre-Training Expert is a machine learning specialist who designs, executes, and optimizes the foundational training stage of large language models, vision models, and multimodal foundation models on massive datasets. Pre-training experts handle the most resource-intensive phase of modern AI development, where raw model weights are shaped from web-scale corpora into capable base models ready for fine-tuning, alignment, or deployment.

Hiring a freelance pre-training expert gives you direct access to the engineering depth required to build foundation models from scratch, continue pre-training on domain-specific data, or recover models that are underperforming due to flawed training recipes. This is a senior-level discipline that combines distributed systems engineering, deep learning research, and large-scale data curation.

What a pre-training expert delivers

Pre-training freelancers own the end-to-end process of taking a model architecture and a dataset and producing a trained checkpoint that meets target loss curves and downstream evaluation benchmarks. Their work directly determines model quality, training cost, and the ceiling of every fine-tuned variant built on top.

Typical deliverables include:

Designing pre-training recipes covering tokenizer choice, sequence length, batch size, learning rate schedules, and optimizer configuration

Building and curating large-scale training corpora, including deduplication, quality filtering, language detection, and contamination removal

Implementing distributed training across multi-node GPU or TPU clusters using data parallelism, tensor parallelism, pipeline parallelism, and FSDP or ZeRO sharding

Continued pre-training and domain adaptation of open-weight models such as Llama, Mistral, Qwen, or Gemma on proprietary corpora

Loss curve analysis, gradient norm monitoring, and diagnosing training instabilities such as loss spikes, divergence, or NaN values

Scaling law experiments to determine optimal model size, dataset size, and compute budget allocation

Checkpoint management, evaluation harness setup, and benchmark reporting on suites such as MMLU, HellaSwag, GSM8K, and HumanEval

Tools and frameworks pre-training experts use

Foundation model training depends on a specific stack of libraries and infrastructure. A qualified pre-training specialist works fluently across:

Training frameworks: PyTorch, JAX, DeepSpeed, Megatron-LM, NeMo, Hugging Face Transformers, Accelerate, and torchtitan

Distributed training: FSDP, DeepSpeed ZeRO-3, FlashAttention, FlashAttention-2, and 3D parallelism strategies

Data tooling: Mosaic Streaming, WebDataset, datatrove, CCNet pipelines, and custom Spark or Ray jobs for corpus processing

Compute platforms: NVIDIA H100 and A100 clusters, AMD MI300X, Google TPU v4 and v5, AWS, GCP, and Slurm-managed bare-metal clusters

Experiment tracking and evaluation: Weights and Biases, MLflow, lm-evaluation-harness, and custom evaluation pipelines

Tokenization: SentencePiece, tiktoken, and Hugging Face tokenizers, including BPE and Unigram training

Industries and use cases

Demand for pre-training expertise spans organizations building proprietary foundation models, sovereign AI initiatives, and verticals where general-purpose models lack domain depth. Common engagements include:

AI startups training base models for code generation, agents, or multilingual applications

Healthcare and biotech firms continued-pre-training models on clinical literature, EHRs, or protein sequences

Legal and financial services adapting open-weight models to jurisdiction-specific or regulated corpora

Sovereign AI and language preservation projects building models for underrepresented languages

Robotics and autonomous systems teams pre-training vision-language-action models

Research labs running scaling experiments and ablations

How to evaluate pre-training candidates

Pre-training is a discipline where mistakes are expensive. A wasted training run on a large GPU cluster can cost more than the entire freelancer budget for the project. Evaluate candidates against concrete signals:

Demonstrated experience training models with at least billions of parameters, evidenced by published checkpoints, papers, or technical blog posts

Familiarity with at least one major distributed training framework and the ability to debug NCCL, communication, and memory issues

Strong grasp of the Chinchilla scaling laws, mixture of experts, and modern architectural choices such as RoPE, SwiGLU, and grouped-query attention

Hands-on experience with data curation pipelines and a clear opinion on quality filtering

Track record of reading and implementing recent research, not only consuming it

Sample interview questions you can use directly:

Walk me through a pre-training run you led end to end. What was the compute budget, what loss did you target, and where did the recipe deviate from a standard reference?

How would you diagnose a sudden loss spike at 60 percent of the way through training, and what recovery options would you consider?

Given a fixed compute budget, how would you decide between training a larger model on less data versus a smaller model on more data?

What data quality filters would you apply to a fresh CommonCrawl dump before using it for pre-training?

How do you evaluate a base model checkpoint before handing it off for fine-tuning or alignment?

Why hire pre-training experts on Freelancer.com

Freelancer.com connects you with a global pool of machine learning engineers, distributed systems specialists, and applied researchers who have shipped real foundation models. You can post a project on Freelancer.com and receive bids from candidates across multiple time zones, compare portfolios that include published model cards and research contributions, and run technical screens before committing. Clients set their own budgets, review verified ratings and completion histories, and use Milestone Payments to release funds only as agreed deliverables land. For a discipline this specialized, the breadth of vetted talent available on Freelancer.com lets you match the rare combination of skills your training run actually needs.

Post a project on Freelancer.com today and connect with skilled pre-training experts ready to design, debug, and deliver your foundation model training run.

What are the steps to hiring a freelance pre-training expert?

Hiring for foundation model training is a high-stakes decision because compute costs and timeline risk are significant. The clearer your brief, the better the bids you receive, and the faster you can match with an engineer whose track record fits your specific training scenario. The process below walks through the three stages of hiring on Freelancer.com.

Step 1: Post your project on Freelancer.com

Your project post is the single biggest determinant of bid quality. A pre-training brief that names the model size, target architecture, dataset, and compute environment filters for candidates who can actually deliver, while a vague brief attracts generalists. Head to the post project page , fill in the scope, timeline, and budget, and publish the project for freelancers to bid on.

Specify whether you need from-scratch pre-training, continued pre-training, or recipe diagnosis on a stalled run

State the target model architecture and parameter count, or the open-weight base you intend to continue training

Describe your dataset: size in tokens, source, language coverage, and the curation work already done

List your compute environment, including GPU or TPU type, node count, interconnect, and orchestration system

Note required deliverables such as final checkpoint, training code, evaluation report, and reproducibility documentation

Indicate timeline expectations and any constraints on data residency or licensing

Step 2: Review bids from freelancers

Bids on a pre-training project are short technical proposals, not just price quotes. A strong bid will reveal how the freelancer interprets your scaling targets, what training recipe they propose, and which risks they have already spotted in your brief. Read each proposal as evidence of how the candidate thinks about the run.

Look for explicit references to parallelism strategy, optimizer choice, and learning rate schedule appropriate to your model size

Favor bids that ask clarifying questions about data quality, tokenizer reuse, or evaluation criteria

Check that proposed timelines account for data preparation, ablation runs, and final training, not only the headline run

Note attached samples such as model cards, training logs, ablation reports, or links to open-source contributions

Use Freelancer.com chat to ask follow-up questions about specific failure modes and how the freelancer would handle them

Step 3: Evaluate freelancers and award the project

Final selection should weigh proposal quality alongside profile evidence. For pre-training work, consistency matters more than a single impressive project — you want an engineer who has shipped multiple training runs without burning budget. Review each shortlisted freelancer carefully before awarding.

Examine portfolio depth: published checkpoints, research papers, training framework contributions, or production model launches

Review star ratings and the volume of completed projects, particularly those involving distributed training or large-scale ML

Read written client reviews for signals on communication, debugging discipline, and on-time delivery

Check for verified payment method, high completion rate, and consistent on-time delivery percentage

Award the project to your chosen freelancer and structure the engagement with Milestone Payments tied to data preparation, intermediate checkpoints, and final evaluation, so funds release only as each stage is verified

What is the difference between a pre-training expert and a fine-tuning specialist?

Pre-training experts build base models from scratch or continue training on large unlabeled corpora, focusing on next-token prediction loss across web-scale data. Fine-tuning specialists adapt existing base models to specific tasks using supervised data, RLHF, or DPO, and typically work with far smaller datasets and shorter training runs.

Do I need a pre-training expert if I am only using open-weight models?

If you are simply prompting or fine-tuning an open-weight model, you likely do not. You need a pre-training expert when you plan to continue pre-training on a proprietary corpus, train a model from scratch, or change architectural choices that require restarting the foundation training stage.

How long does a pre-training project take?

Wall-clock time depends on model size, dataset size, and available compute. Continued pre-training of an open-weight model on a domain corpus can take days to a few weeks, while training a multibillion-parameter model from scratch typically spans weeks to months including data preparation, recipe tuning, and evaluation.

Can a pre-training expert help if my training run keeps diverging?

Yes. Diagnosing loss divergence, gradient explosions, and instability is a core part of the role. An experienced specialist will inspect your data pipeline, learning rate schedule, mixed-precision settings, and parallelism configuration to isolate the cause and propose a corrected recipe.

Do I need to provide the GPU cluster, or can the freelancer arrange compute?

Most clients provide the compute, since pre-training requires reserved access to specific hardware. Freelancers can advise on cluster sizing, cloud provider selection, and orchestration setup, and many can operate the training run on infrastructure you provision.