Software Engineer

Work Experience

• Staff Software Engineer (Notebooks, Platform Access Services), DataRobot; May 2022-Present (1.5+ years)
  
  • leading API gateway workstream to shape the way the internal services are developed, exposed and protected
  • bootstrapped the auth Python SDK to secure custom applications and tools in the DataRobot platform
  • developed a low-latency, reverse proxy in Golang to organize the port-forwarding functionality
  • modernized and streamlined the git experience in the platform by leveraging the OAuth2 protocol (led a subteam of four engineers)
  • implemented a fast, efficient, reliable, client-side audit log collector for Golang microservices based on the ring buffer
  • facilitated and helped with the adoption of Golang at the organization
  • Experience: Golang, Python, Problem Solving, Software Architecture, System Design, Distributed Systems, Kubernetes, OAuth2, AI Systems, Multi-agent Systems, Technical Leadership, PostgreSQL, Tyk API Gateway, Service Reliability
• Senior Software Engineer (R&D, Notebooks), DataRobot; Aug 2022-May 2024 (1.8 years)
  
  • designed and implemented the persistent filesystem support for the product. Analyzed various storage types available on the market like block storages (AWS EBS), NFS (AWS EFS), Lustre (AWS FSx) and OpenEBS
  • took part in incident resolutions, postmortem, on-call rotations and other SRE-related activities
  • continuously analysed and improved the product from cost-efficiency and reliability standpoints by conducting load and chaos testing
  • improved team productivity by optimising CI check run time (slashed the wait time by half for the most time consuming jobs)
  • prototyped a conversational agent using OpenAI, Qdrant, langchain
  • designed and developed a complex real-time state handling mechanism to deal with notebook files in a reliable way
  • Experience: Problem Solving, Software Architecture, System Design, Distributed Systems, Kubernetes, Load Testing, Chaos Engineering, Penetration Testing
• Software Engineer II (R&D, Notebooks), DataRobot; Nov 2021 - Aug 2022 (10 months)
  
  Worked on a code execution system for data scientists based on the microservice multi-language (Python, Node.js, GoLang) architecture:
  • Designed, implemented, and owned the deployment of the whole system to AWS based on Kubernetes, Helm Charts and ArgoCD and Flux as a gitOps CD
  • Implemented the central orchestration part of the project (a Python-based microservice). Designed a custom Kubernetes operator based on the RedHat OperatorFramework (GoLang). Designed and implemented a websocket microservice based on Socket.IO and Node.JS
  • Worked and extended the Jenkins-based CI pipelines
  • Led integration of the system with the observability stack based on Elastic Stack (aka ELK stack) in terms of logging, metrics collection and distributed tracing
  • Led a security review of the system and identified the main points of k8s security improvements. Created security defense measures for zero-trust execution environment
  • Took active part in architectural discussions and improvements, code reviews in a geographically distributed team (Ukraine and East US time zones) of more than 20 people. Effectively handled cross-team communication with other DataRobot teams to resolve roadblocks and meet project expectations and deadlines
  • Experience: Python, Golang, Software Engineering, System Design, Distributed Systems, Kubernetes, Helm Charts, Reliability Engineering, AWS, Penetration Testing, Domain-Driven Design
• Software Engineer (R&D, AI Apps), DataRobot; Aug 2021 - Nov 2021 (4 months)
  
  • Designed and implemented an internal framework for building ML-enabled applications using DataRobot platform powered by modern Python stack (Flask, Pydantic, FastAPI)
  • Using the framework, I have taken part in the implementation of a complaint review application for a US company from the healthcare sector. Took part in complaint analysis and NLP modeling pipeline using HuggingFace transformers stack
  • Took part in configuring and troubleshooting Kubernetes-based environments deployed on Gitlab instances
  • Experience: Python, Flask, Software Engineering, Helm Charts
• ML Engineer, Learning Sabbatical; 2020-2021 (10 months)
  
  • The rest of the ML engineering experience could be found there.
  • Experience: data analysis, tabular data, Python, NLP, XGBoost, Pytorch, MLFlow, Jupyter Notebooks
• eCommerce Software Developer, Tech Lead, Atwix; 2015-2020 (5.5 years)
  
  • Dove into eCommerce domain, problems and challenges faced by US and EU merchants across various industries (e.g. furniture construction, beauty)
  • The rest of the eCommerce development experience could be found there.
  • Experience: eCommerce, Problem Solving, Management, System Design, Problem Framing, PHP, MySQL, Elasticsearch, Redis