Hire expert data scientists and engineers with international experience in tech titans, and VC-backed Start-ups.

AI, Data Science, and Big Data
Tech Recruitment

Build teams with best-in-class data science professionals who understand cutting-edge data analytics tools and applications. Take advantage of the worldwide sigmoidal.expert™ network of 4000+ pre-vetted, senior data scientists and Sigmoidal rigorous selection process.



Sigmoidal acutely recognizes different business perspectives and technological shifts to provide you with best-in-class engineers.


Transparency during Sigmoidal recruitment processes

As we strive for continuous improvement, we are always transparent about our progress and screening processes. We share every single detail of candidates’ evaluation and outcomes of the test projects or in-depth technical interview conducted by Sigmoidal tech leads. At the beginning of our partnerships, we structure proper communication channels to convey detailed reports daily.

4 000+

Data Scientists in sigmoidal.expert™ exclusive network

Sigmoidal developed a network of hands-on engineers, ranging from Data Scientists and Data Engineers to Solution Architects and Big Data specialists. Sigmoidal.expert™ gives us direct access to experienced tech leads, and open source contributors devoted to machine learning solutions.


Phases in Sigmoidal rigorous multi-stage recruitment process

Sigmoidal meticulous multi-stage recruitment process consists of 6 distinct phases. Our approach is individualized for a specific data science position. Sigmoidal recruiters provide detailed live assignments, looking for problem-solving ability, communication skills, and in-depth knowledge of Data-centric AI.


Successfully completed interviews in 2021

Sigmoidal team consists only of top talents in data science. As a result, only 4.5%  of our applicants passed our rigorous selection process in 2021. We provide real-world scenarios for candidates to demonstrate their technical knowledge, thoroughness, professionalism, and integrity.



Hire experienced end-to-end Data Science Professionals tailored to your project…

...with proper domain experts

Data Scientist

Data Engineer

Machine Learning Engineer

Deep Learning Engineer

Business Analyst

Solution Architect

Data Architect

Machine Learning Researcher

Deep Learning Engineer

...in all data science fields

Predictive Analytics

Data Mining and Statistical Analysis

Natural Language Processing

Computer Vision

Voice Recognition

...through all project stages

Step 1: Business Understanding

Step 2: Data Mining

Step 3: Data Cleanning

Step 4: Data Exploration

Step 5: Feature Engineering

Step 6: Predictive Modeling

Step 7: CI/CD

Step 8: Deployment


How Sigmoidal Screening Process works?

With 6 years of industry experience, Sigmoidal refined a rigorous, multi-stage recruitment process. We tailor the recruitment process specifically to your requirements. The technical background of recruitment team members enables us to locate and recommend data scientists with the skills, industry experiences, and technical knowledge you require.

(50% of the initial candidate pool)

CV pre-screening & background checks

Sigmoidal team performs CV screening and background checks, summarizing the candidate’s experience and technical abilities, based on extensive industry knowledge to match clients individual requirements.

(20% of the initial candidate pool)

Evaluation & shortlisting

We shortlint the best prospects, eliminating weak candidates early in the process, resulting in a faster and more effective screening process.

(8-12% of the initial candidate pool)

Behavioral Interview

Comprehensive assessment of each data scientist looking for problem-solving ability, depth of experience, communication ability, and creativity.

(6-8% of the initial candidate pool)

Industry-approach validation

Sigmoidal technical recruiters have extensive industry knowledge. We seek candidates who demonstrate their competence and in-depth expertise in the clients' industry.

(<5% of the initial candidate pool)

In-Depth technical interview

Two-hour, thorough technical interview with one of our engineers who are experts in their functional domain.


We recommend only top data science talent with a deep understanding of the field. Hire data professionals with the talent you need to succeed.


What are we all about?

We are technological pioneers acutely recognizing trends and patterns early, enabling you to leverage new technological capabilities and creative executions. Sigmoidal product-focused engineers understand how to implement useful machine learning models into production.

Tech Recruitment in Sigmoidal way

Top class Data Science Professionsals.

Full support of a dedicated account manager.

Sigmoidal specializes in Data Science and Machine Learning.

Sigmoidal boosts all partners and projects by Sigmoidal DNA.

Sigmoidal’ Data Scientists have an extensive engineering background.

Software architecture and design patterns are a priority.

Sigmodial proposes technical components that guarantee reproducibility.

Sigmoidal uses the Event Storming method to explore a business domain.

Thinking through the prism of Proof of Value.

Tech Recruitment in traditional way

Top class Data Science Professionsals.

Full support of a dedicated account manager.

No clear specialization (from front-end or mobile development to machine learning).

No added value on top of staff augmentation.

Data Scientists don’t have an engineering background.

Lack of architecture design of the system to be built.

Lack of reproducibility of the research carried out.

No clear method for business process discovery.

Thinking through the prism of Proof of Concept.


Sigmoidal tech stack

Sigmoidal engineers are dedicated and passionate about Data-centric AI and Machine Learning. Their expertise in these technologies enables us to innovate and revolutionize every aspect of the product lifecycle.

Programming Language

Statistics and machine learning

Pipeline Orchestration and Reproducibility




Certified expertise

Hire our best-in-class experts, on-demand!

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+1 (347) 779 2050