27.03.2025 aktualisiert

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Cloud Solutions Architect / DevOps / Consultant / AWS Expert

Berlin, Deutschland
Nur Remote
Software Engineering
Berlin, Deutschland
Nur Remote
Software Engineering

Profilanlagen

Aleksandr Saraikin CV-2025-01.pdf

Skills

FlutterJavaPHPKünstliche IntelligenzApache AirflowAmazon Web ServicesCloudfrontAmazon S3ArchitekturAutomobilindustrieC#InformationssicherheitContinuous IntegrationDevOpsAmazon DynamoDBE-CommerceElasticsearchGitHubApache HadoopIcingaPythonKinesiologiePostgreSQLFührungskräfteentwicklungMongoDBMySQLNode.jsGrundbesitzRedisAnsiblePrometheusRubyEinzelhandelSpinnakerTypeScriptWeb ApplikationenDatadogAWS CDKGrafanaApache SparkAWS AppSyncCloudformationSkills CloudKubernetesAWS FargateGraphQLCloudwatchRestful ApisTerraformDockerJenkinsProgramming LanguagesMicroservices
Aleksandr is an experienced Cloud Architect and Infrastructure Engineer with extensive expertise in developing mission-critical AWS systems.
He excels in systematic problem-solving, with a strong focus on security, scalability, operational reliability and cost efficiency. Through his
proactive approach, he identifies challenges early and develops sustainable solutions that meet both technical and business requirements.

Skills
  • Comprehensive expertise in AWS Cloud Architecture
  • Design, development and operation of scalable, secure,
    and reliable web applications
  • Implementation of containerized and serverless solutions
  • CI/CD automation, DevOps practices
  • Infrastructure as Code
Key Projects Across Various Industries

Fielmann AG (www.fielmann-group.com): Retail, Optics
Porsche's Call Rocker (www.industrialcloudhub.com): Automotive
OUTFRONT media (www.outfrontmedia.com): Digital Out-of-Home Advertising, IoT
Hubject (www.hubject.com): International charging platform for electric vehicles
Architrave (www.architrave.de): Real estate (PropTech)
Quandoo (www.quandoo.de) Restaurant Tech
CodeShield (www.codeshield.io): IT-Security startup
Traffics (www.traffics.de): Tourism & Travel (TravelTech)
Yields.io (www.yields.io): Financial Services (FinTech), ML platform
Spotcap (www.spotcap.com): Financial Services (FinTech)
Full fabric (www.fullfabric.com): Education services
Carthook (www.carthook.com): E-commerce
Audibene (www.hear.com): E-commerce
Monoqi (www.monoqi.com): E-commerce
Aeria Games (www.aeriagames.com): Online mobile gaming
Valmano (www.valmano.de): E-commerce

Programming Languages and Technologies

Development
Node, TypeScript, Python, Ruby, PHP, C#, Rails, Java,
Flutter, Amplify, RESTful API, GraphQL, AppSync

Data Processing
DynamoDB, PostgreSQL, Elasticsearch, MySQL,
MongoDB, Redis, Redshift, Airflow, Glue, Athena,
Hadoop, S3, Kinesis, Spark

Deployment
CDK, Docker, ECS, EKS, Fargate, Lambda, Kubernetes,
Serverless, CloudFront, CloudFormation, Ansible, Chef,
Terraform, CodePipeline, Github Actions, GoCD, Jenkins
Pipelines, Spinnaker, AWS Marketplace

Telemetry
CloudWatch, Prometheus, Influx, Grafana, Icinga, ELK,
Openfire, XMPP, Vernemq, MQTT, Datadog

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2013

Sprachen

DeutschGrundkenntnisseEnglischverhandlungssicherRussischMuttersprache

Projekthistorie

Cloud Solutions Architect / Backend Developer

sourcestream GmbH

Internet und Informationstechnologie

< 10 Mitarbeiter

  • Led infrastructure migration to AWS and proposed cost optimization strategies.
  • Refactored EC2-based web services into serverless solutions, reducing AWS costs by 90%.
  • Developed secure, production-grade APIs for personal and medical data, leading the entire process from design to deployment, including AWS infrastructure setup.
  • Designed and implemented highly available cloud infrastructure for software development and production across industries.
  • Advised high-growth startups on cost-efficient cloud architectures aligned with business needs.
  • Improved production systems to handle high traffic during TV advertisement campaigns.
  • Designed and set up ETL pipelines to ensure seamless data flow and integration across platforms.
  • Led proof-of-concept prototyping in eCommerce, IoT, and AI projects.

Cloud Solutions Architect / DevOps

OUTFRONT MEDIA, INC.

Medien und Verlage

1000-5000 Mitarbeiter

  • The overall goal of the project is reliable, automated content distribution for Outdoor Advertising.
  • I worked in a DevOps team which aims to speed up delivery of software features to production using principles of CI/CD, Infrastructure as Code (IaC) and extensive use of Terraform and Kubernetes.
  • I was responsible for maintenance of existing infrastructure managed with Chef and AWS OpsWorks, debugging operational issues and tracking down performance bottlenecks.
  • I designed a serverless AWS infrastructure for a monitoring solution supporting thousands displays installed in trains.
  • I created a framework that allows developers to quickly and independently integrate their new services into existing infrastructure.
  • I made multiple Proof of Concept solutions based on AWS to help the client choose the optimal technical stack for their new projects.

Cloud Solutions Architect / Backend Developer

Fielmann AG

Konsumgüter und Handel

>10.000 Mitarbeiter

Developed multiple secure, production-grade APIs for personal and medical data, leading
the entire process from design to deployment, including AWS infrastructure setup.

Cloud Solutions Architect / DevOps

PORSCHE´S CALL ROCKER

Automobil und Fahrzeugbau

500-1000 Mitarbeiter

Automatic replenishment trigger system for car manufacturing plants.
I refactored the AWS infrastructure automation, improving distribution of the serverless applications, security and billing. The refactoring enabled better integration with the Industrial Cloud project.

Cloud Solutions Architect / DevOps

ARCHITRAVE

Architektur und Bauwesen

50-250 Mitarbeiter

I designed a serverless solution with cost-efficient multitenancy support
I refactored key services into serverless applications and set up an infrastructure framework and processes, which made services development independent and compliant with strict security requirements.

Cloud Solutions Architect / Full Stack Developer

CODESHIELD

Internet und Informationstechnologie

< 10 Mitarbeiter

I organized the development workflow, set up CI/CD pipelines, local and remote environments for developers.
I built a serverless backend and AWS infrastructure which helped the team to deliver the MVP in just a few weeks.

Cloud Solutions Architect

SPOTCAP

Banken und Finanzdienstleistungen

250-500 Mitarbeiter

I have been supporting the company for 4 years with my AWS expertise and development skills, being the main contact person for CTO, COO, both frontend and backend development teams, in questions around infrastructure and development workflows.
My main responsibility was to fully automate the infrastructure deployment for each business client in dedicated AWS accounts with staging and production environments, meet country-specific regulations and internal IT policies.
I created an automation framework with full coverage of AWS resources in Infrastructure-as-Code (IaC), which allowed Spotcap to onboard new clients about 4 times faster.

Cloud Solutions Architect / DevOps

TRAFFICS IBE

Internet und Informationstechnologie

50-250 Mitarbeiter

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

Cloud Solutions Architect / DevOps

QUANDOO

Internet und Informationstechnologie

250-500 Mitarbeiter

I set up CI/CD pipelines for the BI department.
I migrated the ETL infrastructure from Docker Swarm to AWS ECS with full coverage of Infrastructure as Code (IaC).
The migration significantly improved reliability and performance of the pipeline.

Cloud Solutions Architect / DevOps

YIELDS.IO

Versicherungen

10-50 Mitarbeiter

I created CI/CD pipelines for the testing and deployment of complex containerized applications.
I designed and tested AWS infrastructure for a data lake and data analysis based on Kubernetes.
The solution helped to onboard customers in both cloud and on-premise environments.

Cloud Solutions Architect / DevOps

MONOQI

Konsumgüter und Handel

50-250 Mitarbeiter

I created frameworks for software delivery and deployment in AWS with infrastructure as Code (IaC).
I was entirely responsible for the infrastructure of B2B services and provided all CI/CD, staging and production environments on time.

Cloud Solutions Architect

HUBJECT

Automobil und Fahrzeugbau

50-250 Mitarbeiter

An international charging platform for electric vehicles: a joint venture of BMW Group, 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.

My main objective was to migrate an existing on-premise solution to the new Java Spring microservices in AWS in 4 months, with a team of 3 devops engineers.
I led development of infrastructure-as-code including monitoring, disaster recovery, auto scaling, security enhancements.
I designed the missing parts of the infrastructure and improved it for production workloads and real world use cases.
I automated AWS environments with Infrastructure-as-Code (IaC) using AWS CloudFormation.
I set up CI/CD with Jenkins Pipelines and necessary environments and proactively supported developers.
The service has been successfully launched on time.

AWS Expert, DevOps

CARTHOOK

Internet und Informationstechnologie

10-50 Mitarbeiter

I supported the company in the early stages of production deployments with my AWS expertise.

I identified performance bottlenecks and improved the AWS infrastructure to efficiently scale-out for the massive traffic growth.

DevOps

FULL FABRIC

Wirtschaftsprüfung, Steuern und Recht

10-50 Mitarbeiter

I refactored 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 migration of other services.

DevOps

AUDIBENE

Pharma und Medizintechnik

50-250 Mitarbeiter

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

DevOps

AERIA GAMES

Internet und Informationstechnologie

250-500 Mitarbeiter

I implemented CI pipelines for development teams and set up reusable AWS infrastructure to support multiple games using AWS OpsWorks.
The solution allowed to launch the game on time and was used to onboard the next games faster.

DevOps

VALMANO

Konsumgüter und Handel

50-250 Mitarbeiter

I created a CI/CD pipeline for development and production deployments in AWS infrastructure and integrated frameworks for automated end-to-end testing.
The solution was adopted by other eCommerce companies in the VC to speed time to market.

Senior Backend Developer

HOME24 GMBH

Internet und Informationstechnologie

50-250 Mitarbeiter

Team leading position.
Product management systems. Automated data feeds.

Backend Developer

INNOVA HANDELSHAUS GMBH

Internet und Informationstechnologie

10-50 Mitarbeiter

Web-based auction system and integration with a custom ERP system.

Software Developer

SURASYSTEMS GMBH

Internet und Informationstechnologie

10-50 Mitarbeiter

Real estate trading system enabling users to mark up real estate, parcels and further details on GoogleEarth globe. Scaled to cover real estate in the USA.
Environment: ExtGWT, Tomcat, GEarth API.

Custom ERP system.
Environment: Delphi 7, C#, MS SQL Server.

Web-interface for an automated production system with a variety of payment gateways.
Environment: PHP, Joomla, LAMP.

Zertifikate

AWS Certified Solutions Architect – Professional

Amazon Web Services (AWS)

2024

AWS Certified Solutions Architect - Professional

Amazon Web Services (AWS)

2016

AWS Certified Solutions Architect – Associate

Amazon Web Services (AWS)

2014

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