Main project: Hydrolix backendPlatforms: Linux, AWS, Google Cloud and Azure deploymentsMain Technologies: C++, CMakeSupport technologies: Python, Bash, CLionM tasks include designing and implementing, discuss, and review backend engine features of a Big Data DB. Occassionally implementing some frontend tooling.

Senior Software engineer

Industrial Printing machine backend software and coordination.Mainly worked in Python and C#.Highlights:<ul><li>Coordinate backend for industrial printers, which work with 3 computers at once for Ripping, coordinating and printing</li><li>Offline data analysys with Python</li><li>Coordinate and mentor senior and junior engineers, lead design and iterations process, lead scrum meetings</li><li>Design UI features with their backend support in C# via MVVM and networking via webservices with ASP .NET Core</li></ul>

Senior Engineer

Consulting and software solutions building for private customers from Spain, Singapore and Vietnam.Biggest project in this period belongs to optimizing a High frequency trading software for a Singapore-based company in C++ with access for data in real-time via Python + REST API.<ul><li>Python and Modern C++ training</li><li>Building proper CI/CD pipelines</li><li>Introducing best practices in software development through and agile-oriented process</li><li>Coordinate with team members to provide customized solutions for math-models in HFT</li></ul>

Main techonologies used: Linux, Seastar, Boost, C++11/14, Python, Jenkins CI, Gitlab, CMake, ChaiScript.Others: Bash, Java.HIghlights:<ul><li>Work on OCS (Online Charging system distributed DB).</li><li>HIgh-throughput, low-latency, fault-tolerant and horizontal scalable system.</li><li>Propose, improve workflow: better use of management and version control tools.</li><li>Proposed, implemented a Continuous Integration workflow for faster deliveries.</li><li>Propose designs for several subsystems of the database.</li><li>Implement the designs proposed for subsystems.</li><li>Introduce more powerful tooling for the internal inspection of the database. Code reviews and team mentoring.</li><li>Training team members for a better use of tools and C++ language.</li></ul>

Solutions architect

Main Projects: Current SDK, new generation SDKMain technologies useed: Windows, Mac, Linux, Android, iOS, C++, Python, Java, Jenkins, Jira, CMake. Confluence.Others: Bash.We make software based on reading brain data and applying algorithms.Highlights:<ul><li>Organize and drive bi‐weekly sprints under a SCRUM framework.</li><li>Report weekly to CEO and CTO.</li><li>Setup Jenkins infraestructure, testing for all projects: SDK, new SDK... unified 5 different build systems into CMake</li><li>Best practices introduced: TDD and BDD, good version control practices... Intensive use of JIRA and Confluence for project management.</li><li>New SDK: Architected and implemented full asynchronous server with JSON‐RPC. Integrate part of the old SDK in the new JSON‐RPC driven SDK.</li><li>Emphasis on technical excellence: did C++‐related coaching, among others. Coordinate with QA to establish a better system.</li><li>QA and dev automation for faster, more reliable QA turnarounds.</li></ul>

Core technology manager

In charge of full studio: QA department + engineering. 30 people.Main projects: Unified system for baby camera care and domestic surveillanceMain technologies used: Embedded Linux, Jira.CVision is part of a joint‐venture of companies that design emotional software, hardware and apps for home, mainly based on IP cameras.Highlights:<ul><li>Multiple projects management, applying scrum and agile for sprints.</li><li>Deliver fixes through firmware and app updates to production.</li><li>Manage meetings directly with customers.</li><li>Meetings with team members.</li><li>30 people in charge, taking care from team management to QA rounds.</li><li>Improve our software processes for more effectivity.</li><li>Intensive use of JIRA and Confluence for project management.</li></ul>

Studio Manager

Main technologies used: Windows, Mac OS, C++, Python, CMake, Asio, Boost.As part of a distributed team between USA and Vietnam, my main role is to develop part of the backend of a client/server software for real time streaming with 3d cameras.Tasks and highlights:<ul><li>Developing new features for the software.</li><li>Client/server architecture with soft‐real time restrictions: audio and video streaming through the network.</li><li>Implemented fully async xmpp backend for multiuser chat rooms, logging and more.</li><li>Fully test driven design of the async xmpp backend.</li><li>Implemented JID compliant parser, with heavily randomized testing for correctness.</li></ul>

Senior software engineer

Platforms: Android. Customized in-house tools for bug tracking and project management. Intensive use of Microsoft suite (Outlook and others) for heavily distributed communication (Japan /Korea /Spain /Romania /France /Vietnam).Highlights:<ul><li>11 people team management: 9 programmers, 1 game designer and 1 artist. Team growth to 17‐18 people, all under my management.</li><li>Challenging projects: porting around 320 devices of very different hardware.</li><li>Deadlines within 15 days after the release of iOS projects.</li><li>Worked in a high pressure environment with very hard deadlines.</li><li>Responsible for full cycle: planning to execution and publishing.</li><li>Handle external communication and reporting with upper management.</li><li>Propose alternative technical solutions to problems.</li><li>Decide and submit QA cycles for projects.</li><li>Full responsibility for release dates.</li><li>Highly distributed environment.</li><li>Managed and closed projects as producer:</li><li>Men in Black 3 Freemium HD+.</li><li>Real Football 2013 Freemium HD+.</li><li>Gangstar Rio: City of Saints updates 2, 3, 4.</li><li>Order and Chaos Duels.</li><li>Projects in which I took part: Texas Hold &#x27;em Poker 3 Freemium HD+.</li></ul>

Game Producer

Main projects: Distributed, fault tolerant Ericsson database backend.Platforms: Unix. Solaris and others.Ericsson does not need much of a presentation: it is a very strong swedish telecommunications company with around 100,000 employees operating since the 19th century for many of the biggest phone operators in the world. Worked in the distributed database system that gives service to operators.Tasks and highlights:<ul><li>Resolve bugs, implement software features for the distributed db in production. </li><li>Trained in agile methodologies (SCRUM, KANBAN and XP Programming)</li><li>Taught about high availability systems for telecommunications.</li></ul>

R&D Engineer

Main projects: facial recognition identification. Biometry software.Platforms: Linux, Embedded Linux.Tecnologies: C++, Python, PostgreSQL, others.Highlights:<ul><li>coordinate 4 team members</li><li>In charge of testing strategy</li><li>Computer vision via OpenCV</li><li>Expose biometry software via SOAP webservice.</li></ul>

Main projects: Unified wallet and travel card for EuskoTren and Ikusi in Basque Country, Spain.Platforms: Windows CE.NetPLC is a local business near my city offering energy solutions and software solutions for embedded devices. The software was about designing a rechargable card that could hold money to pay bus and train trips and hold money. The delivery was successfully on time for our clients, Euskotren and Ikusi.Tasks and highlights:<ul><li>Developed the internal structure for a RFID card.</li><li>Real‐time algorithm to save data under power outage in embeddded hardware.</li><li>Coded the validation algorithms and worked with encryption.</li><li>Worked in an embedded, restricted environment: ARM, Windows CE VC++ 6.0.</li><li>Implement client/server protocol for card readers connected to central server.</li></ul>

Software engineer

Germán Diago

A non-finished, not published yet networked, 4-player cards game that uses C++, Capnproto, 
2 dockerized services for connecting users and driving the game.

The game uses a binary protocol a-la Protocol buffers (https://capnproto.org/) with its RPC system, which I find a better fit than gRPC.

The game is privately built with an infra that includes a project review via gerrit and hooks to a private buildbot server.

It works in Mac and Linux, worked in Windows (but not anymore). Port to emscripten in course.

Private, non-published cards game, please reach me.

Kaizen, manufacturing, Agile methodologies, Kanban

Agile methodologies, Scrum

Enterpreneurship course

C# WPF

This degree is an equivalent of Bachelor + Master's degree. 

It includes what in America is in part Computer Science theory and Computer Engineering: Database, computer architecture, discrete math, calculus, client/server systems and programming subjects.

It also includes Automata theory and formal languages, language processors (compiler building) and AI subjects. 

The degree has around 360 credits of attendance.

Personal details

Germán D.

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