Basic

João Mikos

Employee, Manager, Solutions Architecture, Amazon Web Services EMEA SARL, Niederlassung Deutschland

Hamburg, Germany

Skills

Systems Architecture
Application Architecture
Java
Linux
Python
Saltstack
PostgreSQL
MongoDB
Bash (Unix shell)
Networking
Open vSwitch
KVM
ZFS

Timeline

Professional experience for João Mikos

  • Current , since Jun 2019

    Manager, Solutions Architecture

    Amazon Web Services EMEA SARL, Niederlassung Deutschland

  • 1 year and 11 months, Jul 2017 - May 2019

    Head of Infrastructure Engineering

    Deposit Solutions GmbH

  • 1 year and 10 months, Sep 2015 - Jun 2017

    Head of Infrastructure

    Kreditech Holding SSL GmbH

    Responsible for global IT systems architecture and service delivery in the IT infrastructure area. Also responsible for technical consultancy to both infrastructure and application development teams and for extensive automation of the IT infrastructure (Debian, KVM, Open vSwitch) using Saltstack.

  • 10 months, Dec 2014 - Sep 2015

    Senior Java Developer

    Kreditech Holding SSL GmbH

    Responsible for backend development on a Java/Scala application, focusing on the database side, delivering performance improvements for both the code and data model onto PostgreSQL and MongoDB. Responsible for an ELK deployment to monitor this application, covering system metrics, security audits, and trend prediction. Worked on solutions for database clustering with AWS and hosted stacks and on a virtualization platform to execute the database cluster and other applications.

  • 3 years and 1 month, Nov 2011 - Nov 2014

    Senior Java Specialist

    HSBC Securities Services

    Technical lead for a global, distributed team delivering enhancements to the Calypso trading platform handling Middle Office trade processing. Responsible for implementing business rules onto supporting code, improving deployment processes, enhancing code testability and develop new message processing engines. Also responsible for troubleshooting Java concurrency issues on performance testing tools. Also responsible for developing tools for data storage using EMC Atmos, ElasticSearch and Apache Lucene.

  • 2 years and 1 month, Aug 2009 - Aug 2011

    Java Specialist

    HSBC Bank USA

    Part of the senior development team for the Group Security Framework, acting as a technical lead and working closely with the architecture team during a major evergreening effort, being responsible for the architecture, design, implementation, and enhancements to the framework itself and libraries using the nCipher NetHSM hardware, for the Java configuration management library, for the user management component and for the SSO/SAML component, and for the reference applications for 3rd party integration.

  • 1 year and 1 month, Aug 2008 - Aug 2009

    Senior Systems Analyst

    HSBC Bank Brazil

    Technical leader and solution architect in a team responsible for devising a migration strategy for the HSBC Internet Banking moving from a legacy servlet platform onto a new portlet platform. The scope of work included devising the migration strategy and research/develop the missing components required to enable the process, including code generators for Java/Spring and extensions for both the in-house Security Platform and IBM WebSphere portal.

  • 1 year and 3 months, Jun 2007 - Aug 2008

    Senior Systems Analyst

    HSBC Bank Canada

    Responsible for building integrations between Portlet-based applications running on a Global Branch Business Platform over IBM WebSphere Portal, legacy HTTP Servlet systems, and legacy DOS/Windows applications used in the bank's branches in Brazil. Also responsible for researching and deploy solutions to enable SSO for this business platform.

  • 3 years and 1 month, Jun 2004 - Jun 2007

    Database Adminstrator

    Celepar

    Responsible for creating and administrating highly-available PostgreSQL database clusters running on Linux systems, including creating and maintaining processes to migrate data from other data sources onto PostgreSQL. Also part of the Linux internalization team, responsible for creating Debian packages and developing/maintaining a repository management system based on Ruby on Rails.

Educational background for João Mikos

  • 5 years and 8 months, Jun 2001 - Jan 2007

    Computer Science

    UFPR

Languages

  • Portuguese

    First language

  • English

    Fluent

  • German

    Basic

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