Aleksandr Saraikin, Developer in Berlin, Germany
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Aleksandr Saraikin

Verified Expert  in Engineering

AWS Cloud Architecture Developer

Location
Berlin, Germany
Toptal Member Since
September 1, 2016

Aleksandr has built numerous infrastructures that have been proven to improve the efficiency of development workflows, optimize TCO, and meet required performance KPIs in production. Given his excessive experience in real projects, he can foresee potential pricey pitfalls on later development stages and suggest an optimal solution saving time and budget.

Portfolio

Sourcestream
亚马逊网络服务(AWS),无服务器,Python, Ruby, PHP, Scala, Node.js...
Home24 GmbH
Memcached, Agavi, Solr, MySQL, Capistrano, Subversion (SVN), Git, PHPUnit...
INNOVA Handelshaus GmbH
Microsoft SQL Server, C#, Delphi 7, LAMP, SOAP...

Experience

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), AWS CloudFormation, AWS Cloud Development Kit (CDK), Docker, Serverless, AWS Fargate, Jenkins Pipeline, AWS Cloud Architecture, AWS Amplify, Flutter

The most amazing...

...我建立的是一个国际电动汽车充电平台的基础设施.

Work Experience

Cloud Solutions Architect

2013 - PRESENT
Sourcestream
  • Worked proactively with high-growth startups and operated as their trusted technical advisor in developing cost-efficient cloud architectures tailored to their business priorities.
  • Designed and implemented a highly available and scalable cloud-based infrastructure for software development, data analysis, 并为各行业客户生产.
  • 提出并实施AWS成本优化计划.
  • 改进制作系统,有效执行电视广告负载配置文件.
  • 计划并执行基础设施向AWS的迁移.
  • 通过产品文档支持金融科技领域的B2B交易, security audits, and technical consultancy.
  • 领导电子商务、物联网和人工智能项目的概念验证原型.
  • 支持具有CI/CD自动化和云服务专业知识的软件开发团队.
  • Defined the requirements for software delivery processes and created a framework for rapidly integrating new services into a Kubernetes infrastructure.
  • 将由EC2服务器支持的web服务重构为无服务器解决方案, eliminating 90% of the AWS bill.
技术:亚马逊网络服务(AWS),无服务器,Python, Ruby, PHP, Scala, Node.js, PostgreSQL, ELK (Elastic Stack), Icinga, Grafana, Sensu, Jenkins, GoCD, Vagrant, Packer, Docker, Terraform, AWS OpsWorks, Chef, Ansible, AWS CloudFormation, Kubernetes, Linux, AWS Database Migration Service, Amazon API Gateway, Amazon CloudFront CDN, Amazon S3 (AWS S3), Microservices, Logstash, AWS Step Functions, Amazon Athena, AWS CodePipeline, Elasticsearch, AWS CodeDeploy, AWS CodeCommit, Redshift, Amazon DynamoDB, Apache Airflow, Amazon CloudWatch, Apache, Spark, Angular, Sails.js, Play, Akka, Redis, Amazon Simple Email Service (SES), Ubuntu, AWS AppSync, GraphQL, AWS Amplify, AWS IoT, Amazon Simple Queue Service (SQS), AWS Key Management Service (KMS), Amazon CloudHSM, AWS Cloud Map, TestNG, CQRS, Finch, HDFS, Amazon EKS, Selenium Grid, HAProxy, Amazon EFS, AWS Security Hub, Web Application Firewall (WAF), AWS AppConfig, AWS CloudTrail, Autoscaling, Ansible Tower, AWS Glue, Kibana, NGINX, Lambda Functions, Stacker, Troposphere, AWS Elastic Beanstalk, AWS CodeBuild, Amazon Elastic Container Service (Amazon ECS), AWS Fargate, Kubernetes Operations (kOps), GlassFish, Amazon Cognito, IntelliJ IDEA, Web Services, AWS Lambda, Jenkins Pipeline, AWS Cloud Development Kit (CDK), Spinnaker, Continuous Deployment, Continuous Integration (CI), Microservices Architecture, AWS Cloud Architecture

Senior Back-end Developer

2011 - 2013
Home24 GmbH
  • 领导开发团队开发产品管理工具和内部管理服务.
  • 整合来自数十家商家的产品数据.
  • Automated imports, continuous updates, and managed thousands of products in an e-store which helped the company to make its way to the global market.
Technologies: Memcached, Agavi, Solr, MySQL, Capistrano, Subversion (SVN), Git, PHPUnit, Propel, Zend Framework, PHP, Linux, Jenkins, Laravel, Apache, IntelliJ IDEA, Web Services, Continuous Integration (CI)

Back-end Developer

2010 - 2011
INNOVA Handelshaus GmbH
  • Engineered. 一个基于开源解决方案的在线拍卖系统.
  • 致力于集成自定义ERP系统与外部web服务.
  • 为定制ERP系统开发功能和模块.
Technologies: Microsoft SQL Server, C#, Delphi 7, LAMP, SOAP, Web Services Description Language (WSDL), PHP, Apache, Web Services

Software Developer

2008 - 2010
SuraSystems GmbH
  • Created a web interface for an automated picture production system with a variety of payment gateways.
  • 为定制ERP系统开发模块并支持重构.
  • 开发了一个房地产交易系统,使用户可以对房地产进行标注, parcels, and further details on the Google Earth globe. Scaled to cover real estate in the USA.
Technologies: Google Earth, Google Web Toolkit, LAMP, Joomla, PHP, SQL, C#, Delphi 7, Apache Tomcat, Apache, Web Services

Sourcestream

http://sourcestream.de/
A software engineering company focused on developing custom solutions for small and medium-sized companies from around the world.

I developed PHP back ends for various web services and took responsibility for deployments and the AWS infrastructure.
在构建了多个AWS环境之后,我担任了客户的AWS专家.
I further specialized in the design and supervision of complete web-based solutions and built up a trust relationship with many returning clients.

Porsche´s Call Rocker

http://www.industrialcloudhub.com/en/Community/CR.html
汽车制造厂自动补货触发系统.

I refactored the AWS infrastructure automation, 改进无服务器应用程序的分发, security, and billing. 重构实现了与工业云项目更好的集成.

Outfront Media Inc.

http://www.outfrontmedia.com/
Outfront Media is one of the largest outdoor media companies which operates both billboards and transit displays in the United States and Canada.

该项目的总体目标是提供可靠的, 自动内容分发户外广告.

I worked in a DevOps team that aims to speed up the delivery of software features to production using CI/CD principles, infrastructure as code (IaC), and extensive use of Terraform and Kubernetes. The team was also responsible for maintaining the existing infrastructure managed with Chef and AWS OpsWorks, debugging operational issues, and tracking performance bottlenecks.

I designed a serverless AWS infrastructure for a monitoring solution supporting thousands of displays installed in trains.
I created a framework that allows developers to quickly and independently integrate their new services into the existing infrastructure.
I made multiple proof-of-concept solutions based on AWS to help clients choose the optimal technical stack for their new projects.

Hubject

http://www.hubject.com/
国际电动汽车充电平台:宝马集团合资企业, Bosch, Daimler AG, EnBW, innogy, and Siemens. The service provides roaming APIs for charging stations to let end users charge their vehicles on any station without a direct contract with the provider.

I led the development of infrastructure-as-code, including monitoring, disaster recovery, auto-scaling, and security enhancements.

My main objective was to migrate an existing on-premise solution to the new Java Spring microservices in AWS in four months, with a team of three DevOps engineers.
I designed the missing parts of the infrastructure and improved it for production workloads and real-world use cases.
我使用AWS CloudFormation实现了基于基础设施即代码(IaC)的AWS环境自动化.
I set up CI/CD with Jenkins Pipelines and necessary environments and proactively supported developers.
该服务已按时成功推出.

Architrave

http://www.architrave.de
Real estate document and data management solution.

我设计了一个具有经济高效的多租户支持的无服务器解决方案. I refactored key services into serverless applications and set up an infrastructure framework and processes, 使服务开发独立并符合严格的安全需求.

Spotcap

An online lending platform for SMEs as a service.

我用我的AWS专业知识和开发技能为公司提供了四年的支持. I am the primary contact person for CTO, COO, front-end, 以及后端开发团队在基础设施和开发工作流方面的问题.

My primary responsibility was to fully automate the infrastructure deployment for each business client in dedicated AWS accounts with staging and production environments, 满足特定国家的法规和内部IT政策.
I created an automation framework with full coverage of AWS resources in infrastructure as code (IaC), 这使得Spotcap能够以大约四倍的速度加入新客户.

Quandoo

http://www.quandoo.de/
A worldwide restaurants' booking service.

我改进了BI部门的ETL管道, 将其从Docker Swarm迁移到AWS ECS,全面覆盖基础设施即代码(IaC), and set up CI/CD pipelines.
这种迁移显著提高了管道的可靠性和性能.

CodeShield

http://codeshield.io/
codesshield是一个针对开发团队的无服务器本地安全和可视化工具. It analyzes your serverless code for security issues and visualizes the data flow within your AWS infrastructure.

组织开发工作流程,搭建CI/CD管道, local and remote environments for developers.
我建立了一个无服务器的后端和一个AWS基础设施, 帮助球队在短短几周内就获得了MVP.

Traffics IBE Evolution 3

http://www.traffics.de/
Booking service for tourism.

I analyzed the Kubernetes-based infrastructure and helped the DevOps team to resolve reliability and performance issues.
I set up Jenkins Pipeline and refactored a few web services backed by EC2 servers into serverless solutions, eliminating 90% of the AWS bill.

Highcore

http://github.com/sourcestream/highcore
An open-source AWS resource management system with graphic UI and a comprehensive REST API based on CloudFormation.

我设计了完整的解决方案并实现了一个PHP后端, AWS infrastructure, and blueprints for common infrastructure patterns.
该解决方案有助于在多个项目中快速构建CI/CD和生产基础设施.

Full Fabric

http://fullfabric.com/
Education Management Services

I migrated a manually configured AWS deployment of a document management system based on plain EC2 servers into a containerized solution managed by ECS.
The reusable infrastructure as code allowed the client to estimate and plan the migration of other services.

Yields.io

http://www.yields.io/
An enterprise solution for model risk management.

我创建了用于测试和部署复杂容器化应用程序的CI/CD管道. 我设计并测试了一个基于Kubernetes的数据湖和数据分析的AWS基础设施.
该解决方案有助于在云和内部部署环境中的客户.

CartHook

http://carthook.com/
Shopify Services

在生产部署的早期阶段,我利用自己的AWS专业知识为公司提供支持.
I identified performance bottlenecks and improved the AWS infrastructure to efficiently scale out for the massive traffic growth.

Home24

http://www.home24.de
欧洲最大的在线家居和家居零售商.

我带领一个开发团队构建产品管理工具和内部管理服务.
These solutions automated imports, continuous updates, and the management of thousands of products in an e-store and helped the company make its way to the global market.

Audibene

http://www.hear.com
Audibene is the largest internet portal for independent hearing care case management and hearing aid purchasing in Europe.

I supported the DevOps team with the knowledge of AWS best practices to eliminate unintended AWS costs, significantly speeding up development routines.
I onboarded and launched an externally developed web service that helps people connect with hearing experts online.

Aeria Games

http://www.aeriagames.com/
A gaming portal for multiplayer online games.

I implemented CI pipelines for development teams and set up a reusable AWS infrastructure to support multiple games using AWS OpsWorks.
这一解决方案能够让游戏按时发行,并且能够更快地推动下一款游戏的开发.

MONOQI

http://monoqi.com/
An online destination for hand-picked design. MONOQI正在收集难以找到的限量版设计产品, making them available for a short time on MONOQI.com.

我在AWS中用基础设施即代码(IaC)创建了软件交付和部署框架。.
我完全负责B2B服务的基础架构,并提供所有CI/CD, staging, and production environments on time.

Valmano

http://www.valmano.de/
A jewelry store.

I created a CI/CD pipeline for development and production deployments in an AWS infrastructure and integrated frameworks for automated end-to-end testing.
其他电子商务公司在风险投资中采用了这种解决方案,以加快上市时间.

Languages

PHP, Scala, Web服务描述语言(WSDL), Delphi 7, c#, GraphQL, SQL, Python, Ruby

Frameworks

Laravel, Spark, Angular, Sails.. js、Play、Akka、PHPUnit、Agavi、谷歌Web Toolkit、Flutter、Zend Framework、TestNG、Express.js, .NET

Libraries/APIs

Propel, Node.js, AWS Amplify, Jenkins Pipeline, Selenium Grid

Tools

AWS Fargate, Amazon CloudFront CDN, AWS Step Functions, Amazon Athena, Amazon CloudWatch, AWS CodeBuild, AWS CloudTrail, AWS Key Management Service (KMS), Jenkins, AWS CloudFormation, Amazon Elastic Container Service (Amazon ECS), AWS OpsWorks, Logstash, Ansible, Apache Airflow, AWS Glue, AWS CodeDeploy, AWS CodeCommit, Kibana, Ansible Tower, NGINX, Vagrant, Chef, Amazon EKS, Terraform, Amazon Simple Email Service (SES), Amazon Cognito, Amazon Simple Queue Service (SQS), IntelliJ IDEA, Git, ELK (Elastic Stack), Subversion (SVN), AWS AppSync, Docker Swarm, Capistrano, Solr, Apache Tomcat, Apache, Grafana, Packer

Paradigms

Continuous Deployment, Continuous Integration (CI), Microservices Architecture, Microservices, CQRS, Serverless Architecture

Platforms

Kubernetes, AWS Lambda, AWS Elastic Beanstalk, Linux, Amazon Web Services (AWS), Docker, Spinnaker, Sensu, AWS IoT, Ubuntu, Icinga, LAMP, Joomla

Storage

Amazon S3 (AWS S3), MySQL, PostgreSQL, Amazon EFS, Redshift, Elasticsearch, Amazon DynamoDB, HDFS, Microsoft SQL Server, Redis, Memcached

Other

Serverless, Lambda Functions, Amazon API Gateway, Autoscaling, Web Services, AWS Cloud Architecture, ECS, Lambda@Edge, AWS Database Migration Service, Stacker, Troposphere, GoCD, AWS Cloud Development, Kubernetes Operations (kOps), AWS CodePipeline, AWS AppConfig, Web Application Firewall (WAF), AWS Security Hub, AWS Cloud Development Kit (CDK), Finch, AWS Cloud Map, Amazon CloudHSM, SOAP, Google Earth, GlassFish, HAProxy, AWS Marketplace

2016 - 2016

AWS认证解决方案架构师专业证书

Amazon, Inc. - http://aws.amazon.com/certification/certified-solutions-architect-professional/

2003 - 2008

Diploma in Linguistics

奔萨州立大学-俄罗斯联邦,奔萨

2003 - 2008

Diploma in Software Engineering

奔萨州立大学-俄罗斯联邦,奔萨

JULY 2016 - JUNE 2021

AWS Certified Solutions Architect - Professional

Amazon Web Services