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Lev Blaivas

Lev Blaivas

Back End Software Engineer

Larnaca, Larnaca, Cyprus, CY, 6056
(+357) 99 34 31 39
English, Russian, Greek

Background


About

About

I will design, develop, test, deploy, support it, if it's not front end. Holder of an EU passport. Founder and director of LevDev LTD

Work Experience

Work Experience

  • Staff Backend Software Engineer, Signal Ocean

    Sep, 2022 - Present

    A Rich Mix of Shipping, Computing, and Scientific Endeavor. Signal Ocean empowers data-driven decision-making for charterers, brokers, and owners. Seamlessly integrate proprietary commercial information with a wide range of curated data for unparalleled situational awareness and a competitive edge. https://www.thesignalgroup.com

    • Led the initiative to enhance security and streamline configuration management across all development teams by championing the adoption of Azure App Configuration and Azure Key Vault, designed the implementation strategy, and oversaw the deployment process, resulting in improved efficiency, security, and collaboration company-wide.

    • Spearheaded the initiative to update existing Service Fabric actors and services to utilize Managed Identity authentication, enhancing system security and simplifying identity management across the cloud infrastructure.

    • Developed a custom refactoring tool utilizing Roslyn API to automate the migration of projects from Newtonsoft.Json to System.Text.Json, significantly enhancing performance.

    • Led the design and development of key data acquisition and processing projects, significantly contributing to their success and innovation.

  • Senior Software Engineer, Tycoon

    Jul, 2021 - Jul, 20221 year

    Crypto trading on autopilot.

    • Took over the product from the remote-based development team and oversaw the building of a new development team

    • Architected a redesign of the solution from a monolith to a scalable, cloud-based, microservices solution

    • Migrated CI/CD from simple GitHub scripts to Azure DevOps solution based on infrastructure-as-code (Bicep) and containers with multi-stage releases

    • Developed the shared nuget libraries used by all other developers simplifying and automating framework interactions including; Azure Active Directory (AAD) authorization and authentication, service-to-service gRPC authorization and authentication using the AAD, Azure App Configuration with push-notifications, logging with integrated OpenTelemetry distributed tracing

  • Senior Backend Developer, BetPlanet

    Dec, 2020 - Jul, 20217 months

    BetPlanet is a new and ambitious sports betting and gambling company.

    • Worked directly with the CTO.

    • Pioneered the adoption of the Dapr framework

    • Responsible for the design, development, deployment and maintenance of several key projects.

  • Backend Team Coordinator, Playtech

    Nov, 2016 - Dec, 20204 years 1 month

    World's largest online gaming software supplier traded on the London Stock Exchange Main Market, offering cutting-edge, value added solutions to the industry's leading operators

    • Design and develop a highly usable, and performant cross-platform microservices framework for high load environments built over gRPC and deployed to Kubernetes.

    • Created multiple development tools used by other developers in the company.

    • Contributed to multiple projects backend and frontend development.

  • Senior Software Developer, Dexterity Solutions Ltd

    Jan, 2011 - Nov, 20165 years 10 months

    Technology consulting, software development and business solutions

    • Responsible for the full development cycle from analysis and specification to design and development to deployment and support.

    • Oversaw and delivered multiple mission-critical projects to clients from a wide range of industries, including pharmaceutical, shipping, financial, law and others.

  • Software Developer, AccountsTech

    Aug, 2007 - Jan, 20113 years 5 months

    Development and maintenance of accounting and POS software

    • Development and maintenance of accounting and POS software

Skills

Skills

  • .NET

    .NET 8.0

    C# 12.0

    asynchronous coding

    VS Code Remote Containers

    Dapr framework

    ASP.NET

    gRPC

    protobuf-net

    REST

    Roslyn

    Reflections

    MSBuild

    Entity Framework

  • Backend developer

    Service Fabric

    Actor Model

    SQL Server

    T-SQL

    PostgreSQL

    MySQL

    Oracle

    MongoDB

    Redis

    Elastic

    Prometheus

    Grafana Loki

    Grafana Tempo

    Zipkin

    Node.js

    Java

  • DevOps

    Azure

    Azure DevOps

    Bicep

    GitHub

    Kubernetes

    OpenTelemetry

    Helm

    Flux

    Kustomize

    kubectl

    Datadog

    Codefresh

    GitLab

    Rancher

    TeamCity

  • Blockchain

    Solidity

  • Web Development

    TypeScript

    React

Education

Education

  • Applied Mathematics and Information Technology, Masters, Maimonides State Classical Academy, Moscow

    Jan, 2006 - Jan, 2010

  • Information Technology, Bachelor, University of Nicosia

    Jan, 2002 - Jan, 2006

Interests

Interests

  • Chess

    chess