Serghei G.-Scientific Computing & AI/ML | Full-Stack | Low-Level Systems | Cloud & Systems Engineering | Embedded/IoT | Aerospace &
Check rate
Experience
Principal AI/ML, Cloud & Systems Engineer
EBS Integrator
- Architected AI/ML, computational, cloud, and distributed software solutions using Python, TypeScript, Node.js, PyTorch, TensorFlow, Scikit-learn, NumPy, Pandas, SQL, and modern cloud technologies.
- Designed end-to-end computational workflows covering data acquisition, preprocessing, feature engineering, model development, optimization, inference, evaluation, and quantitative validation.
- Developed Generative AI, LLM, and RAG applications using transformers, vector databases, retrieval pipelines, APIs, automated testing, and evaluation frameworks.
- Designed scalable backend platforms, APIs, and microservices using FastAPI, Node.js, PostgreSQL, Redis, REST, and distributed architectures.
- Developed full-stack applications integrating React/Next.js frontends with Python and Node.js backend services.
- Architected cloud-native systems across AWS, Azure, and GCP using containers, Kubernetes, infrastructure automation, and CI/CD.
- Designed systems for scalability, fault isolation, reliability, performance, security, observability, and maintainability.
- Developed high-volume data-processing and telemetry-style pipelines applicable to distributed, IoT, monitoring, and engineering applications.
- Reviewed AI-generated code and technical solutions, identifying algorithmic, statistical, logical, architectural, and implementation errors.
- Developed reference implementations, automated tests, validation procedures, and technical documentation for complex computational systems.
Senior Machine Learning, Data & Software Engineer
Smartdata
- Developed machine-learning, data-processing, and software systems using Python, SQL, Scikit-learn, TensorFlow, Pandas, NumPy, Spark, and web/backend technologies.
- Built classification, regression, forecasting, recommendation, clustering, and anomaly-detection solutions.
- Designed reproducible computational workflows for preprocessing, exploratory analysis, feature engineering, model fitting, hyperparameter optimization, and evaluation.
- Architected ETL/ELT and distributed data-processing pipelines for high-volume datasets.
- Developed backend services, analytical APIs, database integrations, and applications exposing computational models to production systems.
- Worked with large-scale, time-series, sensor-style, and operational datasets.
- Investigated model failures, data-quality problems, numerical inconsistencies, software defects, and pipeline failures.
- Optimized algorithms, queries, processing pipelines, and applications for performance and scalability.
- Developed automated tests and validation procedures for software, analytical, and ML systems.
- Produced technical documentation covering architecture, methodology, interfaces, assumptions, testing, and system behavior.
Senior Full-Stack, Systems & Embedded Software Engineer
BackstageIT
- Developed enterprise, full-stack, systems, and engineering software using C/C++, Python, Java, C#/.NET, JavaScript, and SQL.
- Designed backend architectures, APIs, database systems, client/server applications, and third-party integrations.
- Developed user-facing applications and supporting backend services connecting application interfaces with complex business and engineering systems.
- Implemented algorithms and performance-sensitive components involving networking, data processing, communications, and systems programming.
- Worked with low-level software concepts including memory-efficient programming, networking, concurrency, data acquisition, communication interfaces, and hardware/software integration.
- Applied embedded and IoT concepts to sensor-data processing, device communication, telemetry-style workflows, networking, and real-time data flows.
- Designed system interfaces and integration architectures connecting software components, databases, external services, and device-oriented systems.
- Developed automated unit, integration, and system-level tests.
- Debugged complex issues spanning application code, algorithms, databases, networking, communications, and system integration.
- Improved software performance, reliability, maintainability, database efficiency, and deployment processes.
Software & Low-Level Systems Engineer
Salt Edge
- Developed enterprise, full-stack, systems, and engineering software using C/C++, Python, Java, C#/.NET, JavaScript, and SQL.
- Designed backend architectures, APIs, database systems, client/server applications, and third-party integrations.
- Developed user-facing applications and supporting backend services connecting application interfaces with complex business and engineering systems.
- Implemented algorithms and performance-sensitive components involving networking, data processing, communications, and systems programming.
- Worked with low-level software concepts including memory-efficient programming, networking, concurrency, data acquisition, communication interfaces, and hardware/software integration.
- Applied embedded and IoT concepts to sensor-data processing, device communication, telemetry-style workflows, networking, and real-time data flows.
- Designed system interfaces and integration architectures connecting software components, databases, external services, and device-oriented systems.
- Developed automated unit, integration, and system-level tests.
- Debugged complex issues spanning application code, algorithms, databases, networking, communications, and system integration.
- Improved software performance, reliability, maintainability, database efficiency, and deployment processes.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology and Banking and Finance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Product Development.
Summary
Senior multidisciplinary software and computational engineer with extensive experience across scientific computing, AI/ML, full-stack development, low-level and systems software, cloud engineering, data engineering, embedded/IoT, and complex distributed systems.
Strong programming background in Python, C/C++, C#, Java, JavaScript, TypeScript, and SQL, with experience designing computational workflows, machine-learning systems, backend services, web applications, APIs, data platforms, distributed systems, and performance-sensitive software.
Experienced with React, Next.js, Node.js, FastAPI, Django, PostgreSQL, Redis, AWS, Azure, GCP, Docker, Kubernetes, and CI/CD, covering the complete engineering lifecycle from architecture and implementation through testing, deployment, observability, optimization, and production support.
Strong systems-engineering background spanning software architecture, networking, data acquisition, distributed computing, low-level programming, real-time concepts, embedded/IoT architectures, telemetry-style data processing, hardware/software integration, reliability, verification, and validation.
Research-oriented computational background in Python, NumPy, Pandas, PyTorch, TensorFlow, Scikit-learn, XGBoost, and Spark, including machine learning, statistical analysis, model evaluation, algorithm development, numerical workflows, data reduction, and reproducible computational solutions.
Skills
Scientific Computing & Computational Research
- Python
- Numpy
- Pandas
- Numerical Computing
- Computational Modeling
- Statistical Analysis
- Numerical Methods
- Data Reduction
- Simulation Workflows
- Algorithm Development
- Optimization
- Model Fitting
- Time-Series Analysis
- Reproducible Computing
- Scientific Software
Ai / Ml & Ai Evaluation
- Pytorch
- Tensorflow
- Scikit-Learn
- Xgboost
- Machine Learning
- Deep Learning
- Nlp
- Transformers
- Generative Ai
- Llms
- Rag
- Classification
- Regression
- Forecasting
- Anomaly Detection
- Feature Engineering
- Model Evaluation
- Ai Evaluation
- Reference Solutions
Full-Stack Engineering
- React
- Next.Js
- Typescript
- Javascript
- Node.Js
- Python
- Fastapi
- Django
- Rest Apis
- Graphql
- Postgresql
- Mongodb
- Redis
- Authentication
- Microservices
- Distributed Applications
- Api Integration
- Web Application Architecture
Low-Level & Systems Engineering
- C
- C++
- Systems Programming
- Networking
- Tcp/Ip
- Client/Server Systems
- Multithreading Concepts
- Concurrency
- Memory Management
- Performance Optimization
- Interprocess Communication
- Data Acquisition
- Hardware/Software Interfaces
- Real-Time Concepts
- Debugging
- Profiling
Cloud & Platform Engineering
- Aws
- Azure
- Gcp
- Docker
- Kubernetes
- Terraform
- Ci/Cd
- Cloud-Native Architecture
- Microservices
- Distributed Systems
- Serverless Concepts
- Infrastructure Automation
- Monitoring
- Scalability
- Reliability
- High Availability
Systems Engineering
- System Architecture
- Requirements Analysis
- Interface Design
- System Integration
- Distributed Architecture
- Reliability Engineering
- Performance Engineering
- Verification & Validation
- Root-Cause Analysis
- Testing
- Technical Documentation
- Lifecycle Engineering
Embedded Systems & Iot
- C/C++
- Python
- Embedded Linux
- Arm Cortex-M
- Stm32
- Esp32
- Rtos Concepts
- Uart
- Spi
- I²C
- Can
- Ethernet
- Tcp/Ip
- Mqtt
- Sensor Integration
- Telemetry
- Edge Computing
- Hardware/Software Integration
Aerospace & Satellite
- Aerospace Software Concepts
- Satellite Systems Concepts
- Telemetry & Telecommand
- Flight/Ground Software Concepts
- Sensor Data Processing
- Communications
- Navigation Data Processing
- Mission Data Pipelines
- Real-Time Systems
- Simulation
- Fault Detection
- Verification & Validation
Technical Skills
- Languages: Python, C, C++, C#, Java, Javascript, Typescript, Sql
- Scientific Computing: Numpy, Pandas, Scikit-Learn, Pytorch, Tensorflow, Xgboost, Spark, Statistical Analysis, Numerical Computing, Computational Modeling, Optimization
- Ai/Ml: Machine Learning, Deep Learning, Nlp, Transformers, Generative Ai, Llms, Rag, Vector Databases, Classification, Regression, Forecasting, Anomaly Detection, Model Evaluation
- Full Stack: React, Next.Js, Typescript, Javascript, Node.Js, Fastapi, Django, Rest, Graphql, Postgresql, Mongodb, Redis
- Systems: C/C++, Networking, Tcp/Ip, Client/Server Architecture, Systems Programming, Concurrency Concepts, Memory Management, Data Acquisition, Performance Optimization, Debugging
- Cloud: Aws, Azure, Gcp, Docker, Kubernetes, Terraform, Ci/Cd, Microservices, Cloud-Native Systems
- Embedded/Iot: Embedded Linux, Arm Cortex-M, Stm32, Esp32, Rtos Concepts, Uart, Spi, I²C, Can, Ethernet, Mqtt, Sensors, Telemetry, Edge Computing
- Aerospace/Satellite: Satellite Systems Concepts, Aerospace Software, Telemetry & Telecommand, Flight/Ground Software Concepts, Sensor Data Processing, Communications, Simulation, Verification & Validation
- Systems Engineering: Architecture, Requirements Analysis, System Integration, Interface Design, Verification & Validation, Reliability, Performance Engineering, Root-Cause Analysis, Technical Documentation
Languages
Education
Universitatea Tehnică a Moldovei
Master's Degree · Computer Engineering · Moldova, Republic of
Universitatea Tehnică a Moldovei
Bachelor's Degree · Computer Science · Moldova, Republic of
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Serghei is based in Tiraspol, Moldova, Republic of and prefers 100% remote projects.
Serghei speaks the following languages: Russian (Native), Ukrainian (Native), English (Advanced).
Serghei has at least 26 years of experience. During this time, Serghei has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 6 years and 5 months. Note that Serghei may not have shared all experience and actually has more experience.
Based on recent experience, Serghei would be well-suited for roles such as: Principal AI/ML, Cloud & Systems Engineer, Senior Machine Learning, Data & Software Engineer, Senior Full-Stack, Systems & Embedded Software Engineer.
Serghei's most recent position is Principal AI/ML, Cloud & Systems Engineer at EBS Integrator.
In recent years, Serghei has worked for EBS Integrator.
Serghei is most experienced in industries like Information Technology and Banking and Finance.
Serghei is most experienced in business areas like Information Technology and Product Development.
Serghei has recently worked in industries like Information Technology.
Serghei has recently worked in business areas like Information Technology and Product Development.
Serghei holds a Master in Computer Engineering from Universitatea Tehnică a Moldovei and a Bachelor in Computer Science from Universitatea Tehnică a Moldovei.
Serghei is immediately available full-time for suitable projects.
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 23 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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