Boris Maryshev
Verified Expert in Engineering
DevOps Engineer and Developer
Tallinn, Estonia
Toptal member since October 20, 2019
Boris brings two decades of experience in the technology industry, having worked for globally recognizable brands like Skype and Volvo Cars. He has a proven track record in roles such as DevOps engineer, software developer, and infrastructure lead. A generalist at heart, he loves learning and working with emerging technologies like Cloud, AI, and decentralized finance.
Portfolio
Experience
- Linux - 20 years
- Amazon Web Services (AWS) - 15 years
- Python - 15 years
- DevOps - 15 years
- PostgreSQL - 14 years
- Cloud Security - 10 years
- ELK (Elastic Stack) - 7 years
- Google Cloud - 5 years
Availability
Preferred Environment
Linux, Terraform, Cloud, Startups, Remote Work, Amazon Web Services (AWS), Google Cloud Platform (GCP), DevOps, Observability Tools, Azure
The most amazing...
...companies I've worked with are Skype and Volvo Cars. Both were at the forefront of innovation and changed the world in their respective fields.
Work Experience
Senior DevOps Engineer | Platform & Observability
Volvo Car
- Worked on building Volvo Cars observability platform.
- Created monitoring-as-code GitOps pipelines and provided documentation and workshops for Volvo Cars developers.
- Integrated Azure OpenAI Service into the observability platform to provide improved data insights for the developers.
- Worked with external vendors to prioritize new features, development, and testing for the observability tooling.
- Created architectural diagrams for the observability platform.
Tech Lead | Senior DevOps | MLOps & LLMOps | Python Developer
Napali OÜ
- Developed and deployed scalable, secure, and fault-tolerant back-end microservices using Python and Node.js.
- Architected, built, and scaled the cloud infrastructure for market-leading clients worldwide.
- Implemented best practices like infrastructure as code (IaC), GitOps, and SRE for cloud infrastructure deployments.
- Built and scaled RDBMS as well as NoSQL database clusters.
- Built CI/CD as well as MLOps pipelines in AWS and GCP clouds.
Senior DevOps Engineer
Paraswap.io
- Developed Terraform module to scale the company's microservices by splitting inbound traffic more granularly on the load balancer level depending on the blockchain net use.
- Developed Terraform module for automating the deployment of anomaly-sensing alerting of services.
- Monitored, analyzed, and proactively blocked various bots and other attacks against the company's services.
Infrastructure Tech Lead
Multilogin
- Managed all aspects of the company's IT infrastructure, including bare-metal and cloud hosting providers, multiple production and development clusters, user-facing and internal services, networks and VPNs, and monitoring and logging.
- Led a team of DevOps, SRE, and DBA professionals to maintain the high availability and security of the company's services.
- Built logging and monitoring of the company's infrastructure and services using ELK Stack, Elastic APM, New Relic, PagerDuty, Prometheus, Grafana, and other tools.
- Led several infrastructure migrations, from bare-metal Docker Swarm to fully cloud-hosted managed Kubernetes clusters.
- Led the migration of cloud storage from DigitalOcean Spaces to Amazon S3.
- Participated in on-call rotations, analyzed and resolved various production issues, compiled post-mortems, and implemented improvements.
Senior DevOps Engineer
Climate Engine
- Built scalable Kubernetes clusters for Climate Engine's back-end services and website using Terraform and CI/CD pipelines.
- Implemented GCP best practices for deploying GKE clusters.
- Created and managed Cloud SQL databases for Climate Engine's back-end services.
Senior Site Reliability Engineer
OpenReel
- Built and maintained Openreel's AWS cloud infrastructure at a high level of security and fault tolerance that eventually was certified to ISO 27001:2013 standard.
- Collaborated closely with OpenReel's development team on launching a new generation remote video creation platform on AWS using infrastructure as code (CDK) and SRE best practices.
- Built Elasticsearch-Logstash-Kibana (ELK) cluster for collecting and analyzing OpenReel microservices' logs.
- Deployed, monitored, and scaled OpenReel's remote video creation platforms.
CTO | Python Developer | DevSecOps
sanctions.io
- Resurrected the project after the main developer left and made it into a fully marketable SaaS offering.
- Collaborated with partners, existing and prospective clients, and company owners on developing new integrations with PEP lists, police databases, and more.
- Developed request tracking and billing systems to enable marketing of what previously was just a SAP plugin as a complete SaaS offering.
Senior DevOps Engineer
Mynd
- Worked on improving all parts of Mynd's AWS Infrastructure-as-a-Code, utilizing GitOps best practices.
- Built and maintained data pipelines used by BI/Data mining teams for providing fast and actionable business intelligence.
- Participated in Scrum standups, plannings, backlog grooming, and planning poker estimation like rituals required in Agile team.
- Helped onboard junior team members to the team in the quickest and most efficient way posible.
Senior DevOps and Site Reliability Engineer
Naga Group AG
- Built a highly scalable and secure back-end trading infrastructure.
- Created auto-scaling, auditable, and well-monitored AWS clusters and supported a successful IPO on the Frankfurt Stock Exchange.
- Utilized best security practices and created a highly-available Blockchain infrastructure in support of a successful ICO.
- Worked with senior management and technical teams to minimize infrastructure costs while maintaining high availability.
- Built and integrated various monitoring tools to ensure high availability and integrity.
- Resolved issues detected by monitoring systems on a 24-hour basis as the primary contact.
Python Back-end Developer and DevOps Lead
Klio Health by Harvard Innovation Labs
- Developed scalable Python microservices for a HIPAA-compliant healthcare application.
- Collaborated with internal stakeholders and external partners to ensure data security and HIPAA compliance.
- Built and maintained development, staging, and production environments on AWS cloud.
- Built CI/CD pipelines for automated deployment into all environments.
- Performed Python and JavaScript code reviews, merges, and deployments.
- Built and maintained production-ready Couchbase NoSQL database clusters.
Python Developer and MLOps
Nomao
- Collaborated with in-house machine learning researchers on improving the company's ML training pipelines and inference back-end performance.
- Achieved major improvement (from several weeks to less than a day) in the company's NLP language model (early LLM) performance by utilizing distributed multi-core processing.
- Improved cost-effectiveness of running the company's website and databases.
Site Reliability Engineer | DevOps | DBA
Skype
- Built the original distributed monitoring system for Skype P2P and supernode network performance monitoring.
- Collected, analyzed, and visualized various Skype performance, quality, and business metrics.
- Developed PostgreSQL clusters serving millions of Skype users and internal business intelligence and anti-fraud teams.
- Maintained testing and staging environments for agile development teams at Skype.
- Maintained and deployed database change pipelines across the whole organization.
- Volunteered as Skype for Mac and Skype for mobile beta tester.
Experience
CI/CD Pipeline for a Python-Flask Microservice
https://github.com/borism/gcp-ci-cd-python-appsMLOps Pipeline for Text Sentiment Analysis on Amazon SageMaker
https://github.com/borism/finetune-deploy-bert-with-amazon-sagemaker-for-hugging-faceEducation
Coursework in IT Systems Development and Administration
Estonian IT College - Tallinn, Estonia
Certifications
Financial Markets
Yale University on Coursera
Skills
Libraries/APIs
Jenkins Pipeline, Django-allauth, Stripe API, SQLAlchemy, FFmpeg, Stripe, OpenSSL, API Development, Node.js
Tools
Google Kubernetes Engine (GKE), Shell, Terraform, ELK (Elastic Stack), NGINX, Docker Swarm, Amazon Virtual Private Cloud (VPC), VPN, GitHub, Amazon Elastic Container Service (ECS), AWS IAM, OpenVPN, Logging, Amazon CloudWatch, Confluence, Observability Tools, AWS Fargate, Vim Text Editor, Git, Cacti, Ansible, Jenkins, Celery, Nessus, Apache, Elastic, Kibana, Grafana, Amazon Cognito, Amazon EKS, Amazon CloudFront CDN, ChatGPT, Docker Compose, AWS CloudFormation, AWS CLI, GIS, Bitbucket, Amazon Simple Queue Service (SQS), Azure Kubernetes Service (AKS), Postman, GitLab, Amazon OpenSearch, Google Workspace, Jira, Spreadsheets, Squid Proxy Server, Nagios, RabbitMQ, Splunk, GitLab CI/CD, Helm, CircleCI, VMware, Amazon SageMaker, AWS Cloud Development Kit (CDK), Microsoft Outlook, Azure OpenAI Service
Languages
Python, Bash, SQL, Python 3, Java, Hugo, YAML, JavaScript, PHP, TypeScript, Ruby, Go, XML, C, C++, JavaScript 6, Kotlin
Frameworks
Flask, Django, Django REST Framework, Gearman, SPF, Windows PowerShell, Crossplane
Paradigms
Continuous Delivery (CD), DevOps, Continuous Integration (CI), Microservices, Scalable Application, Continuous Deployment, Agile Software Development, Test Automation, Kanban, Microservices Architecture, Distributed Computing, Samba, DevSecOps, Azure DevOps, Test-driven Development (TDD), HIPAA Compliance, ETL, Penetration Testing, API Observability, Best Practices
Platforms
Docker, Kubernetes, Amazon Web Services (AWS), Google Cloud Platform (GCP), Ubuntu, Debian, New Relic, PagerDuty, Linux, Amazon EC2, Unix, Heroku, AWS ALB, DigitalOcean, Blockchain, Red Hat Linux, Percona, AWS Lambda, CentOS, Ethereum, Apache Kafka, Windows Server, MetaTrader, CKAN, WordPress, Nexus, Spinnaker, Azure, Azure Event Hubs
Storage
PostgreSQL, Amazon S3 (AWS S3), Redis Cache, Elasticsearch, Database Security, Databases, MySQL, Redis, CouchDB, Google Cloud, MongoDB, Datadog, Google Cloud SQL, Data Pipelines, Amazon Aurora, Database Management, Memcached, Data Centers, MySQL/MariaDB, Couchbase, NoSQL, Google Cloud Storage, MySQLdb, Redshift, Amazon DynamoDB, Data Lakes, Oracle Cloud
Industry Expertise
Network Security, Cybersecurity, Trading Systems
Other
Cloud Security, Systems Monitoring, Ubuntu Server, CI/CD Pipelines, Cloud, Cloudflare, Networking, Security, AWS DevOps, Load Balancers, System Administration, Amazon RDS, Startups, Remote Work, Site Reliability Engineering (SRE), Monitoring, Linux Administration, ECS, Scalability, DevOps Engineer, Containers, Linux Servers, Virtual Machines, Data Center Infrastructure, Transport Layer Security (TLS), Containerization, Web Security, Elastic Load Balancers, Networks, Cloud Infrastructure, APM, IT Security, AWS VPN, Infrastructure, DNS, Server Migration, Shell Scripting, Troubleshooting, Back-end, Scripting Languages, Firewalls, Web Application Firewall (WAF), AWS Monitoring, Distributed Tracing, Distributed Ledgers, Encryption, GPU Computing, Galera Cluster, Apache Cassandra, SecOps, APIs, Architecture, Subnet, AWS Secrets Manager, Deployment, Infrastructure as Code (IaC), SaaS, Scraping, SSL, Access Control, User Permissions, Clustering, Data Engineering, Technical Leadership, Argo CD, GitOps, Machine Learning Operations (MLOps), GitHub Actions, Orchestration, Infrastructure as a Service (IaaS), Artificial Intelligence (AI), Prometheus, Solution Architecture, Amazon API Gateway, Blockchain as a Service, Data Encryption, Govtech, Fintech, Stock Market, Complex Problem Solving, Dynamic Load Balancing, Application Security, High-availability Linux, AWS Cloud Architecture, Elastic APM, Single Sign-on (SSO), Data Privacy, Cloud Architecture, Hardware, Cost Reduction & Optimization (Cost-down), Large Language Models (LLMs), API Gateways, SDKs, Mail Servers, Migration, SMTP, GoDaddy, DNS Servers, Gmail, Email, DMARC, DomainKeys Identified Mail (DKIM), Email Delivery, HAProxy, User Management, User Authentication, Data Visualization, Multitenancy, Enterprise SaaS, Integration, HTTPS, MinIO, CORS, DocumentDB, Music, Quality of Service (QoS), Security Audits, API Testing, Amazon Kinesis, Llama 2, Machine Learning, Windows System Administration, SAP, Know Your Customer (KYC), Gatsby, BERT, Forex Trading, OpenAI, Google BigQuery, IPsec, Generative Pre-trained Transformers (GPT), Retrieval-augmented Generation (RAG), SIEM, Monorepos, Akamai, Cost Control, User Onboarding, Dashboards, User Monitoring, Large Language Model Operations (LLMOps), Enterprise, Platforms, OpenTelemetry, Canary Deployment
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