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Fredrik Håård

Fredrik Håård

Stockholm, Sweden
Member since May 22, 2014
Fredrik is a developer with over ten years of contracting and entrepreneurial experience. He specializes in back-end product development and lifecycle maintenance in everything from cluster implementations in Telcom charging systems to full-stack product development for one-person startups.
Fredrik is now available for hire
  • Visual Units
    Java ME, Python, C, MySQL, MongoDB, Memcached, Django, Linux, Debian, Celery
  • Wrapp
    Go, Python, AWS Lambda, AWS ECS, AWS SSM, PostgreSQL, Redshift, Periscope...
  • McKinsey
    Java 8, Dropwizard, EC2, ECS, PostgreSQL, Ansible, Terraform, Beanstalk...
  • Java, 14 years
  • Python, 13 years
  • System Integration, 13 years
  • DevOps, 12 years
  • Product Development, 12 years
  • Continuous Delivery (CD), 8 years
  • Google Maps, 8 years
  • OpenLayers, 4 years
Stockholm, Sweden
Preferred Environment
Debian Linux/Fluxbox, Emacs, Hg/Git, FishShell
The most amazing...
...thing I've created is a full fleet management system, doing everything from writing the first embedded code for terminals to scaling the databases years later.
  • CTO
    2004 - PRESENT
    Visual Units
    • Created a full-fledged fleet management system from the ground up.
    • Took the product through (so far) three successful major database migrations without downtime.
    • Created a product and infrastructure with less than an hour of downtime over the last three years, despite 24/7 traffic.
    • Created tools to generate Excel reports for customers on demand.
    • Developed a dead-reckoning system to track rail car speeds.
    Technologies: Java ME, Python, C, MySQL, MongoDB, Memcached, Django, Linux, Debian, Celery
  • Senior Consultant
    2017 - 2018
    • Planned, designed, and implemented real-time streaming ETL solutions using an AWS stack, lowering information lag from six hours to one minute.
    • Coached technical leadership. Provided feedback and evaluations on the tech stack and work methods.
    • Implemented new serverless services in an existing microservice architecture in Python and Go.
    • Supported the sales organization with improved data modeling and performance improvements in the OLAP (Redshift) data store.
    • Planned and set up CI integration with AWS Codebuild.
    • Developed tools for identifying and analyzing performance issues in the analytics pipeline.
    Technologies: Go, Python, AWS Lambda, AWS ECS, AWS SSM, PostgreSQL, Redshift, Periscope, AWS Kinesis Firehose
  • Senior Cloud Architect
    2017 - 2017
    • Built a secure data ingestion system.
    • Used S3, KMS, and CloudHSM to secure data and keys.
    • Built safe provisioning where ops needs to know no secrets.
    • Built a Dropwizard/Angular/PostgreSQL application from scratch, including design, implementation, operations, and documentation.
    • Integrated with multiple third-party authentication providers using SAMLv2 SP- and IdP-initiated authentication.
    Technologies: Java 8, Dropwizard, EC2, ECS, PostgreSQL, Ansible, Terraform, Beanstalk, CloudHSM, Angular, SAMLv2
  • Senior Developer
    2016 - 2017
    Assa Abloy Mobile Services
    • Developed in Java 8 EE7 on JBoss/Wildfly and Dropwizard.
    • Planned and implemented AWS migration and automation.
    • Wrote custom Ansible modules for securely deploying secrets to AWS using Amazon KMS and S3.
    • Fully automated deployments of CloudHSM clients.
    • Planned and implemented zero-downtime deployments.
    Technologies: AWS, Java 8, Ansible, EC2, RDS, AWS VPN, CloudHSM, LunaClient
  • Tech Lead
    2015 - 2016
    Dooer AB
    • Planned and helped implement a new platform for automated bookkeeping.
    • Assisted in building a development team from scratch.
    • Planned and executed automation of deployments and provisioning for the new platform.
    Technologies: Python, Node.js, AWS, Ansible, Flask
  • Ops Consultant
    2015 - 2015
    • Helped migrate a product from physical servers to AWS.
    • Did load tests and advised on provisioning.
    • Together with others, performed final migration to the cloud.
    Technologies: AWS, PHP, Linux
  • Technical Lead
    2014 - 2015
    Registry of Scotland
    • Worked as technical lead of the Land Registry Act Project.
    • Worked to create modern web services for solicitors at the Registry of Scotland's Land Register.
    • Deployed a fully redundant system of web applications, interfacing with new and legacy systems.
    • Created a distributed logging and tracing system using Python logging and MongoDB.
    • Supported releases and operations for an entirely new technology stack at the Registry of Scotland.
    Technologies: MongoDB, Python, Flask, AngularJS, RHEL, RabbitMQ, Celery
  • Senior Developer
    2013 - 2014
    • Built a new framework for non-functional testing of large distributed systems.
    • Created Java<->Python data bridges.
    • Enabled visualization of complex and heterogeneous test setups.
    Technologies: Java, Python, Jython
  • Consultant
    2005 - 2013
    Softhouse Consulting
    • Worked as the design team lead for a charging system node.
    • Developed a custom business intelligence tool for site managers integrated with the customer's ERP system.
    • Worked in a small team to create five complete and separate sales channels on a Django/AngularJS platform in six weeks.
    • Led the modernization of developer infrastructure, SCM tools, and source control for a customer site with 150 developers.
    • Developed a non-functional test framework for telecom nodes from the ground up.
    • Held courses and workshops in Python, Git, and Mercurial.
    Technologies: Java ME/SE/EE, Python, .NET, C, C++, MongoDB, MySQL
  • Hgapi (Development)

    A pure Python MIT Licensed API for Mercurial source control.

  • PyCon Sweden (Other amazing things)

    I founded Sweden's version of PyCon, as well as the Swedish Python association Python Sverige, and was the chair for the first three years.

  • Languages
    Java, Python, JavaScript, Python 3, C#, SAML, Go
  • Frameworks
    CherryPy, Flask, Django, Dropwizard, Spring JDBC, Angular, Ionic 2, GeoDjango
  • Libraries/APIs
    OpenLayers, Google Maps, jQuery, Flask-RESTful, Yelp API
  • Tools
    Mercurial, Ansible, Microsoft Excel, Eclipse IDE, CVS, Git, Emacs, AWS IAM, Terraform, Subversion (SVN), Sublime Text 2, AWS SQS, Amazon Virtual Private Cloud (VPC), AWS SDK, AWS ECS, AWS CloudFormation, Apache Airflow, AWS CodeBuild, AWS CodeDeploy
  • Paradigms
    Distributed Programming, Functional Programming, Object-oriented Programming (OOP), DevOps, Continuous Integration (CI), Test Automation, Maintainability, Clean Code, Agile Software Development, Continuous Delivery (CD)
  • Platforms
    Debian Linux, Ubuntu, AWS EC2, Linux, Windows, Amazon Web Services (AWS), AWS Lambda, Oracle, AWS Elastic Beanstalk
  • Storage
    MySQL, MongoDB, PostgreSQL, AWS RDS, AWS S3, Microsoft SQL Server, RedShift
  • Other
    Product Development, System Integration, Embedded Systems, AWS Route 53, HSM, Amazon CloudHSM, Serverless, Cryptocurrency, Trading Systems, Automated Trading Software, AWS CodePipeline
  • Partially completed Master's degree in Computer Science
    2003 - 2004
    Blekinge Institute of Technology - Sweden
  • Progress towards a Bachelor's degree in Software Engineering
    2000 - 2003
    Blekinge Institute of Technology - Sweden
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