Data Scientists & Engineers

The people who turn raw data into pipelines, models, and answers.

Data Scientists & Engineers - Fastnexa service illustration

Data scientists and engineers make data useful.

Engineers build the pipelines that collect, clean, and move it reliably, while scientists analyze and model it to answer real questions. You usually need both, because a brilliant model is worthless on a broken pipeline, and pristine data is wasted if nobody asks the right questions of it. Fastnexa places both, matched to your stack and problem, so the plumbing and the analysis are built to work together instead of in separate silos. They embed with your team and leave behind infrastructure and insight your people can keep using. The result is data that drives decisions rather than sitting in a warehouse. A fit for companies collecting plenty of data but struggling to trust it or act on it, that need the skills to turn it into a real advantage.

Add Data Science Capacity Without a Year-Long Hire

Hiring a senior data scientist or engineer can take six to nine months, and that gap stalls every model, pipeline, and dashboard waiting on it. Fastnexa places vetted data scientists and engineers who join your team and ship within weeks, with proven depth in machine learning, statistical analysis, predictive modeling, and data pipeline development.

Our data scientists build predictive models using TensorFlow, PyTorch, scikit-learn, and proven statistical methods, while our data engineers design scalable ETL pipelines with Apache Spark, Airflow, dbt, and warehouses like Snowflake and BigQuery. Each hire ramps fast on your stack and works in your time zone, delivering production ML systems, real-time analytics dashboards, and data governance that keeps quality and compliance intact.

Our Capabilities

Data Pipeline Development & ETL Processes

Machine Learning Model Development & Deployment

Statistical Analysis & Hypothesis Testing

Data Visualization & Business Intelligence Dashboards

Big Data Processing with Spark & Hadoop

Predictive Modeling & Forecasting

Data Warehousing & ETL Development

Data Architecture Design & Optimization

TECHNOLOGIES

Python

Jupyter

Pandas

NumPy

TensorFlow

PyTorch

Scikit-learn

Apache Spark

Airflow

PostgreSQL

MongoDB

Docker

Kubernetes

Our Data Science Talent Process

We match you with vetted data scientists and engineers who turn your data into working models, pipelines, and insights.

Data Science Requirements Analysis

We assess your data science needs and match you with experts in ML, data engineering, or analytics.

Data Science Assessment Phase

Use Case Definition

Identify specific data science needs: ML models, data pipelines, analytics, or research.

Technical Skills Mapping

Define required expertise: Python, R, TensorFlow, Spark, SQL, cloud platforms, etc.

Domain Experience

Match professionals with relevant industry experience (finance, healthcare, retail, etc.).

Data Infrastructure Assessment

Evaluate existing data infrastructure, tools, and technology stack.

Data Team Integration

We onboard data scientists and engineers with access to data infrastructure and smooth team integration.

Data Team Onboarding Phase

Data Access Provisioning

Grant access to databases, data lakes, notebooks, and ML platforms.

Infrastructure Familiarization

Brief on data architecture, pipelines, models, and analytics workflows.

Collaboration Setup

Integrate with data teams, product managers, and business stakeholders.

Exploratory Projects

Start with exploratory analysis building familiarity with data and business context.

Data Science Delivery & Innovation

Our data professionals deliver impactful ML models, analytics, and data infrastructure driving business value.

Data Science Delivery Phase

Model Development

Build, train, and deploy ML models solving business problems.

Data Pipeline Engineering

Develop reliable ETL/ELT pipelines for data processing and feature engineering.

Analytics & Insights

Generate actionable insights through statistical analysis and visualization.

MLOps & Production

Implement MLOps practices for model deployment, monitoring, and retraining.

Frequently Asked Questions

Common questions about our services, processes, and technologies.

Our professionals include data scientists (ML modeling, analytics), data engineers (pipeline development, ETL), ML engineers (model deployment, MLOps), data analysts (insights, visualization), and AI specialists. They work on projects ranging from exploratory analysis to production ML systems depending on your needs.

We provide talent at all levels from mid-level (3-5 years experience) to senior (5-10 years) and principal data scientists (10+ years). All professionals undergo rigorous vetting, have proven track records, domain expertise, and strong technical skills in modern data science tools and methodologies.

Our team is proficient in Python (pandas, scikit-learn, TensorFlow, PyTorch), R, SQL, Spark, Hadoop, cloud platforms (AWS, Azure, GCP), data visualization (Tableau, Power BI), MLOps tools (MLflow, Kubeflow), and modern data stacks (dbt, Airflow, Snowflake). We match expertise to your technology stack.

We typically provide qualified candidates within 1-2 weeks. After understanding your requirements, we match you with pre-vetted professionals from our talent network. Onboarding takes an additional 1-2 weeks ensuring smooth integration with your team and projects before ramping to full productivity.

Yes, we provide flexible arrangements including dedicated resources in your time zone, overlapping work hours for collaboration, or follow-the-sun models for continuous development. We accommodate your preferred working model ensuring effective communication and project progress.

We match professionals with relevant industry experience when possible, provide comprehensive onboarding including domain context, facilitate knowledge transfer from your team, and our professionals actively learn your business processes, data structures, and objectives ensuring they deliver valuable insights quickly.

We offer flexible replacement guarantees. If a professional isn't meeting expectations, we quickly provide alternatives at no additional cost. We maintain regular check-ins to address concerns early, ensure satisfaction, and make necessary adjustments maintaining project momentum.

Yes, we offer hire-to-permanent options. After a trial period (typically 3-6 months), you can transition professionals to your full-time staff. This reduces hiring risk, ensures cultural fit, validates skills in your environment, and provides flexibility in building your data team.

Let’s create something out of this world together.

Have a project in mind? Contact us for expert design and development solutions. Let’s discuss how we can help grow your business.

Azaadi Offer

Claim a free security assessment

Until 31 August we're covering the cost of a full vulnerability assessment and penetration test. Mention it in your message and we'll scope it with you.

  • Web application testing, authenticated and unauthenticated
  • Mobile application testing across iOS and Android
  • External network and infrastructure assessment
  • Manual exploitation by engineers, not scanner output

Testing and the report are free. Fixing what we find is quoted separately, with no obligation to accept.

Read the full offer

Tell us what you are trying to build and we will tell you plainly whether we are the right people for it. Book a call with an expert to work through the detail, or ask for a fixed quote if the scope is already clear. No obligation either way.

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