Available to hire
I’m Sergei Vorobyov, PhD in Computer Science with over 15 years of experience as a data engineer, ML/AI specialist, and security/DevOps expert. I design and operate data pipelines, ML systems, and secure cloud architectures across AWS, Azure, and Google Cloud, focused on production-ready MLOps, experiment governance, and data-driven analytics in complex domains.
I enjoy solving challenging problems, adopting cutting-edge technologies, and mentoring junior engineers. My work spans bioengineering data platforms, enterprise orchestration, zero-trust security, and multi-cloud DevSecOps, always aiming for scalable, secure, and impactful solutions.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
English
Fluent
French
Intermediate
Russian
Fluent
Work Experience
Data Scientist at Cepheid AB Solna
January 1, 2025 - PresentDesigned, architected, and implemented an AI system for automating the FDA documentation workflow for Cepheid’s Xpert product line. Analyzed dependency graphs and automated repetitive writing tasks, reducing a week-long process to minutes. Built end-to-end data pipelines with Airflow, embedding, and vector databases (Weaviate), incorporating text chunking for retrieval-augmented generation. Managed experiments with MLflow and Weights & Biases; supported GPU-accelerated training with Ray; ensured governance and reproducibility in a regulated bioengineering setting.
Senior Data Engineer at ICA Sverige
January 1, 2024 - January 1, 2025Led the design, development, and implementation of a CI/CD pipeline for the ICA Data LakeHouse to develop, test, and deploy dbt SQL models to Google BigQuery. Integrated Terraform, Google Workflows, and orchestration across multiple GCP projects with strict service-account separation to guarantee data security and isolation. Expanded orchestration with Google Composer, Dataflow, and Dataproc; introduced blue/green and canary deployments to enable seamless production updates for ~70 analysts.
Security, Serverless Applications, and Data Architect at Petronas
January 1, 2023 - PresentBuilt a secure, scalable serverless Azure architecture for an internal Data Lake, connecting numerous external and internal data sources. Employed Azure Functions as glue code for ETL and analysis, with VNets, private links/endpoints, key vaults, and Terraform-based IaC. Implemented Zero-Trust security, least-privilege access, and automated deployment and governance.
Security, High Availability and Data Resilience Architect at Westinghouse
January 1, 2023 - PresentImplemented a Red Hat Pacemaker-based high-availability and data-resilience cluster for mission-critical applications on OpenShift hybrid-cloud. Built real-time health monitoring and automated failover, ensuring no downtime and resilient remount of file systems.
Senior CI/CD Architect at Ericsson AB
February 1, 2021 - December 1, 2022Created enterprise-level CI/CD pipelines, templates, and security scan infrastructure. Integrated Azure DevOps and GitHub with Argo CD and Flux. Developed a global Security Governance and Compliance Center to track security scans, ensuring consistent vulnerability coverage and reporting.
Cloud and Security Architect at Tre AB
June 1, 2020 - January 1, 2021Delivered multi-cloud (AWS/Azure) architecture with Kubernetes, Argo CD, Flux, Helm, and Kustomize. Implemented cluster hibernation for cost savings, established a generic continuous security and vulnerability scan framework for Docker images, and built AI/ML-based anomaly detection for cluster integrity.
Senior CI/CD and DevOps Engineer at King AB
January 1, 2020 - June 1, 2020Implemented efficient multi-project/multi-branch Dockerized builds with intelligent caching and artifact reuse. Built license management, code signing facilities, and game deployment to GCP via Flux, optimizing build throughput and license usage.
Security Architect at Mycronic AB
June 1, 2019 - December 1, 2019Implemented private/public TLS certificate infrastructure and overall security design for distributed microservices, APIs (gRPC/REST/GraphQL) and secure transport.
Autotest and Security Analyst at Scania AB
October 1, 2018 - May 1, 2019Performed continuous security testing for financial services, automated AWS-based testing within CI/CD pipelines, and integrated security testing with the Scania Data Lake.
AWS Cloud Architect, Project Coordinator at ABBA-the-Museum
May 1, 2017 - October 1, 2018Designed and coordinated multi-cloud infrastructure (AWS, Azure, SalesForce Marketing Cloud) to support museum IT services, websites, games, hotel management, and marketing; oversaw five subcontractors and global delivery.
Autotest and CI/CD Engineer at Atlas Copco AB
September 1, 2016 - May 1, 2017Created autotest/CI/CD infrastructure with Jenkins/Python and parallel test benches to accelerate production testing; implemented multi-branch, multi-project workflows.
Cloud and Security Architect at Alten Sverige AB
September 1, 2016 - January 1, 2021Led numerous cloud, security, Kubernetes, and cloud-native projects; implemented cost-saving measures, security patterns, and scalable CI/CD practices across multiple engagements.
Security Architect and Developer at European IP Cloud
May 1, 2016 - August 1, 2016Designed and implemented secure client/server bank interchange system; focused on cryptography, authentication, and secure transport.
Software and Cloud Engineer at Valtech AB
January 1, 2016 - May 1, 2016Cloud and software engineering work across projects, including data mining and service-oriented architectures.
Database and Test Architect, Systems Architect at Ingate Systems AB
February 1, 2015 - December 1, 2015Led database design, testing architecture, and systems architecture for VoIP-related deployments; contributed to OpenShift platform adoption for VoIP products.
Embedded Systems and Media/Advertising Developer at Facility Labs AB
August 1, 2011 - January 1, 2015Developed embedded systems for intelligent advertising and media/advertising client-server solutions; delivered media upload and scheduling protocols for mall installations.
Data Scientist at Cepheid AB
January 1, 2025 - PresentDesigned and implemented an AI system to automate FDA documentation for Cepheid's Xpert product line. Built end-to-end data pipelines, model development, experiment tracking (MLflow/W&B), and deployment on AWS SageMaker with Ray-based distributed training. Integrated retrieval-augmented generation using Weaviate, Chroma, LlamaIndex, and LangChain; supported local/hosted inference via Hugging Face and Ollama.
High Availability and Data Resilience Architect at Westinghouse
January 1, 2023 - December 31, 2023Implemented RedHat Pacemaker high-availability clusters on OpenShift hybrid cloud for mission-critical apps. Built real-time health monitoring and automated failover/remount for data resilience.
Education
PhD in Computer Science at Siberian Division of the USSR Academy of Sciences, Computing Center and Novosibirsk State University
January 1, 1983 - January 1, 1987MSc in Applied Mathematics and Statistics at Rostov-on-Don State University, Mechanics and Mathematics Faculty
January 1, 1978 - January 1, 1983PhD in Computer Science at Siberian Division of the USSR Academy of Sciences, Computing Center and Novosibirsk State University
January 1, 1983 - December 31, 1987MSc in Applied Mathematics and Statistics at Rostov-on-Don State University, Mechanics and Mathematics Faculty
January 1, 1978 - December 31, 1983Qualifications
Docent in Computer Science
January 1, 2004 - February 18, 2026Professor in Information and Communication Technology
January 1, 2008 - February 18, 2026Docent in Computer Science
January 1, 2004 - February 18, 2026Professor in Information and Communication Technology
January 1, 2008 - February 18, 2026Industry Experience
Software & Internet, Life Sciences, Healthcare, Professional Services, Manufacturing, Telecommunications, Media & Entertainment, Computers & Electronics
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Hire a Data Scientist
We have the best data scientist experts on Twine. Hire a data scientist in Uppsala today.