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Endava

Senior Data Scientist

Endava

Published 08 Oct 2025
Sofia, Bulgaria
Full Time

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Role Highlights

Languages used

Python
SQL

Key skills

Machine Learning
Deep Learning
Data Analysis
Big Data
Computer Vision
Data Governance
ML Ops
Feature Engineering
Data Exploration
CICD
Data Processing
Technical Leadership
Critical Thinking
Statistics
Regression
Clustering
Forecasting
NLP
Deployment
GDPR
Transformers
Cloud
Automation
Infrastructure
Security

Tools, Libraries and Frameworks

HuggingFace
Vertex AI
DataBricks
Azure
AWS
SageMaker
GCP
MLFlow
KubeFlow
LightGBM
PyTorch
Tensorflow
Scikit-learn
XGBoost
NumPy
Pandas

Description

Endava Senior Data Scientist \\\| SmartRecruiters Google Chrome Microsoft Edge Apple Safari Mozilla Firefox . Senior Data Scientist Full-time Company Description Technology is our how. And people are our why. For over two decades, we have been harnessing technology to drive meaningful change. By combining world-class engineering, industry expertise and a people-centric mindset, we consult and partner with leading brands from various industries to create dynamic platforms and intelligent digital experiences that drive innovation and transform businesses. From prototype to real-world impact - be part of a global shift by doing work that matters. Job Description Role Overview The Lead Data Scientist is responsible for developing and deploying advanced AI/ML models, leveraging statistical techniques, machine learning, and deep learning to extract actionable  insights. This role requires strong expertise in Python-based AI/ML development, big data processing, and cloud-based AI platforms (Databricks, Azure ML, AWS SageMaker, GCP Vertex AI). Key Responsibilities Data Exploration & Feature Engineering Perform thorough Exploratory Data Analysis (EDA) and identify key variables, patterns, and anomalies. Engineer and select features for optimal model performance, leveraging domain understanding. Machine Learning & Statistical Modelling Implement both classical ML methods (regression, clustering, time-series forecasting) and advanced algorithms (XGBoost, LightGBM). Address computer vision, NLP, and generative tasks using PyTorch, TensorFlow, or Transformer-based models. Model Deployment & MLOps Integrate CI/CD pipelines for ML models using platforms like MLflow, Kubeflow, or SageMaker Pipelines. Monitor model performance over time and manage retraining to mitigate drift. Business Insights & Decision Support Communicate analytical findings to key stakeholders in clear, actionable terms. Provide data-driven guidance to inform product strategies and business initiatives. Ethical AI & Governance Ensure compliance with regulations (GDPR) and implement bias mitigation. Employ model explainability methods (SHAP, LIME) and adopt best practices for responsible AI Qualifications Technical Skills Programming: Python (NumPy, Pandas), R, SQL. ML/DL Frameworks: Scikit-learn, PyTorch, TensorFlow, Hugging Face Transformers. Big Data & Cloud: Databricks, Azure ML, AWS SageMaker, GCP Vertex AI. Automation: MLflow, Kubeflow, Weights & Biases for experiment tracking and deployment. Architectural Competencies Awareness of data pipelines, infrastructure scaling, and cloud-native AI architectures. Alignment of ML solutions with overall data governance and security frameworks. Soft Skills Critical Thinking: Identifies business value in AI/ML opportunities. Communication: Distils complex AI concepts into stakeholder-friendly insights. Leadership: Mentors junior team members and drives innovation in AI. Additional Information Discover some of the global benefits that empower our people to become the best version of themselves: Finance: Competitive salary package, share plan, company performance bonuses, value-based recognition awards, referral bonus; Career Development: Career coaching, global career opportunities, non-linear career paths, internal development programmes for management and technical leadership; Learning Opportunities: Complex projects, rotations, internal tech communities, training, certifications, coaching, online learning platforms subscriptions, pass-it-on sessions, workshops, conferences; Work-Life Balance: Hybrid work and flexible working hours, employee assistance programme; Health: Global internal wellbeing programme, access to wellbeing apps; Community: Global internal tech communities, hobby clubs and interest groups, inclusion and diversity programmes, events and celebrations. At Endava, were committed to creating an open, inclusive, and respectful environment where everyone feels safe, valued, and empowered to be their best. We welcome applications from people of all backgrounds, experiences, and perspectivesbecause we know that inclusive teams help us deliver smarter, more innovative solutions for our customers. Hiring decisions are based on merit, skills, qualifications, and potential. If you need adjustments or support during the recruitment process, please let us know. I'm interested I'm interestedCookies Settings I'm interested Refer a friend Posted by Cristina Ceban share this job Share on LinkedIn Share on Facebook Share on Twitter Share via email Share on Xing Share on WeChat Other jobs at Endava Billing Operations Specialist - Contracts & Billing Cluj-Napoca, Romania Senior Database Administrator Bucharest, Romania Show all jobs Share to WeChat × Copy the link and open WeChat to share. Copy to clipboard Open WeChat Share to WeChat × Use Scan QR Code in WeChat and click ··· to share. Senior Data Scientist Sofia, Bulgaria Full-time I'm interested I'm interested

Required Qualifications and Skills

The role requires strong expertise in Python-based AI/ML development, big data processing, and cloud-based AI platforms. Key technical skills include proficiency in Python libraries such as NumPy and Pandas, along with R and SQL. Experience with ML/DL frameworks like Scikit-learn, PyTorch, TensorFlow, and Hugging Face Transformers is necessary. Familiarity with big data and cloud technologies including Databricks, Azure ML, AWS SageMaker, and GCP Vertex AI is also required. The position necessitates awareness of data pipelines, infrastructure scaling, and cloud-native AI architectures, as well as alignment with data governance and security frameworks. Critical thinking, communication of complex AI concepts, and leadership are essential soft skills.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Endava

Size

10278

HQ

London, GB

Public/Private

Public Company

Description

Endava is reimagining the relationship between people and technology. We have helped some of the worlds leading Payments, Financial Services, Telecommunications, Media, Technology, Consumer Products, Retail, Mobility, and Healthcare companies accelerate their ability to take advantage of new business models and market opportunities. By ideating and delivering dynamic platforms and intelligent digital experiences, we help our clients fuel the rapid, ongoing transformation of their business. By leveraging next-generation technologies, our agile, multi-disciplinary teams provide a combination of Product & Technology Strategies, Intelligent Experiences, and World Class Engineering to help our clients become more engaging, responsive, and efficient. Endava has 11,761 people as of September 30, 2023, located in the European Union: Austria, Bulgaria, Croatia, Denmark, Germany, Ireland, Netherlands, Poland, Romania, Slovenia and Sweden; Non-European Union: Bosnia & Herzegovina, Moldova, North Macedonia, Serbia, Switzerland and the United Kingdom; North America: Canada and the United States; Latin America: Argentina, Colombia, Mexico and Uruguay; Asia Pacific: Australia, Malaysia, Singapore

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