Nik K.

Nik K.

Mathematician, data scientist, software engineer

Kyiv , Ukraine

Experience: 8 Years

Nik

Kyiv , Ukraine

Mathematician, data scientist, software engineer

67200 USD / Year

  • Immediate: Available

8 Years

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About Me

Modern applied mathematics and functional programming expert. Excellent at grasping and formalising patterns in dynamic environments and handling data complexity. Looking for challenging and innovative projects in AI to generate and implement new ...

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Skills

Software Engineering

Portfolio Projects

Data Science and Big Data Consulting

https://www.ciklum.com

Company

Data Science and Big Data Consulting

Role

Data Scientist

Description

Data science: 
* research: advanced applied mathematics and statistics, hypothesis evaluation, digital signal processing, time series analysis, operations research, system analysis.
* modelling: classical ML (supervised and unsupervised), dimensionality reduction, optimisation, linear, non-linear and stochastic programming, control and decision systems engineering.
* other: deep learning, text mining, NLP, numerical analysis, data visualisation.

Stack: Scala, Java, Matlab, Python (numpy, scipy, pytorch, keras, tensorflow), Spark, Hadoop, Kafka, RDBMS, DWH, Elasticsearch.

Data architecture: big data and data science pre-sales and consulting, ML solution and pipelines design, API and DWH / data lake, data marts design (integration, data layout, cleansing, ingestion, governance).

Data engineering: ETLs, streaming and batch processing fault tolerant big data applications design (RDBMS, HDFS, Kafka, Spark, Spark Streaming, Akka, Akka Streams, BigQuery, Teradata), prototyping, implementation and deployment.

DevOps: cloud and hybrid connectivity for big data solutions on Azure, GCP, AWS, distributed applications deployment, provisioning best practices, logging and monitoring, CI/CD, Linux networking, Kubernetes.

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Company

Awareful

Role

Data Scientist

Description

Awareful enables mental health service providers to offer better care through data and artificial intelligence.

Tasks: data discovery, clustering and patterns extraction, data engineering, topological data analysis (non-linear dimensionality reduction).

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Company

Devlight

Role

Software Architect

Description

System architecture: pre-sales and consulting, data architecture, API, DSL and protocols design, end-to-end applications architecture (mobile, frontend, backend, infrastructure, analytics, ML), DB layout design and scaling, fault-tolerant, HA system design.

Data engineering: streaming and batch big data pipelines (PubSub, Dataflow, Dataproc and BigQuery integration), DWH and data marts design, hybrid connectivity big data solutions design.

Server-side solutions: microservices and service-oriented architecture, NodeJS/TS and Java teams technical management.

Math: discrete optimization for TSP and knapsack problems with dynamic constraints, MIP techniques.

Cloud solutions: hybrid connectivity and cloud migration assistance, Google Cloud Platform and AWS infrastructure scaling and automation, GKE and bare-metal Kubernetes management, monitoring and logging (EFK, ELK, Stackdriver), CI/CD design (Gitlab, Jenkins, Cloud Builder), Cloud ML.

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