Sebastian Londoño


Senior Full-Stack Engineer | Santiago de Cali, Colombia

Sebastian brings a wealth of knowledge and experience to his work, with especially robust qualifications in back-end engineering. An accomplished and friendly developer, he has worked in such varied fields as finance, technology and consulting, tech startup initiatives, medicine, learning through games, and robotics.


Skills Galore: Wide-ranging knowledge of tech skills (see list below), coupled with a great personality

Experience: Strong experience in programming languages and frameworks such as JavaScript, Azure (7+ years), SQL Server, and Redis

Distributed Teams: Experience working remotely with US companies; fully bilingual



Quantitative Research Analyst, Back-End Developer

QuantifAI (April 2019 - current) 

  • develop and implement trading strategies through ML models
  • implement previous strategies with reinforcement learning and Q-learning
  • integrate legacy and new systems into FIX protocol and brokers' systems
  • develop automation techniques for statistical analysis (hypothesis testing, distributions, regression modeling)
  • backtest and optimize portfolios
  • utilize CI/DDD to enhance quality control

Back-End Developer (distributed employee)
QS2 Point (January 2018 - November 2018) 

  • develop back-end software in .Net C#, microservices, and Azure
  • implement DevOps like TDD and CI

Expert Mentor
Universidad ICESI (2016 - 2017)

  • Develop plans for tech-based startup initiatives, 75 percent of which found customers for their products or services

Full-Stack Developer
Universidad ICESI (January 2015 - March 2017) 

Execute full-stack and DevOps tasks for the following applications:

  • SafeCandy, a cloud-based mobile app for detecting and removing malware (paper)
  • Pdaily, a medical mobile app prototype designed for patient or caregiver use
  • e-Motion Capture System, a desktop-web app prototype for use in clinical settings

Research Assistant
Project CLASS (2014 - 2015) 

  • use ray tracing for channel modeling and estimation, location development
  • research and use jMonkeyEngine 2 and 3
Senior Researcher FullStack Developer
Universidad ICESI (January 2009 - January 2019) 

Develop, plan, and implement the following projects as a full-stack developer leader and/or DevOps leader:

  • ComgoVR, a serious VR game for learning different propagation models and characteristics
  • Comcity, a serious desktop game for network planning and optimization (paper)
  • Comcity Wii, a serious desktop game for playing the network planning game Comcity with the Wii interface
  • TEST, a serious desktop game for technical training in maintaining and controlling telecommunications stations, as well as network planning and optimization (paper)
  • SIMONES, a platform for spectrum monitoring, using software-defined radio techniques (paper)
  • SND, a cloud-based solution supporting clinical monitoring of and research on neurological diseases

Botchallenge Monitor
Universidad ICESI (January 2009 - January 2010) 

  • Develop, organize, and plan an engineering competition in which students code robot missions.

Director of Technology and Development
YellowGraphix (January 2006 - July 2017) 



Master's Degree (scholarship), Universidad ICESI
Computer Science (June 2013 - June 2015)


Bachelor of Science, Universidad ICESI
Systems Engineering (2004 - 2010)



Worldwide Champion

EmbeddedSpark Microsoft 2011 – 1st Place, Project ArS8VER


Imagine Cup and EmbeddedSpark Microsoft 2009 and 2010, Projects: S8VER, EmbeddedEDU, EDU


Spoken Languages

Effective oral and written communication skills in English and Spanish (fully bilingual)

Computer Languages

C# (Microservices, .Net Core), Java, Excel-VBA, Python (NumPy, Pandas, Scikit-learn, keras, tensorflow, matplotlib), R, Matlab, Go (newbie), Scala, C++14, javascript| Databases: MS SQL Server, MySql, MongoDB

Tools, Technologies, Frameworks, and IDEs

Atom, Visual Studio, Anaconda, Unity, Unreal, Latex, Hadoop, Spark, MapReduce, NodeJS, Angular, React, Redis, Redux, Weka, RStudio, Hyperledger Composer (1+ year), Hyperledger Fabric (+1 year), Hyperledger Indy (newbie), Cryptoassets (solid)


AWS (5+ years), Azure (7+ years), terraform, OpenStack, Google Cloud


Docker, Kubernetes, istio, Docker-swarms, mesosphere


Jenkins, Jira, Travis, TFS, serverless architectures

Operating Systems

Windows, Linux, Ubuntu, Fedora, Kali, OSX, IOS, Android

Currently Learning

C++ 17, Cuda Programming for TPU and GPU parallelization for TensorFlow, Go concurrency chapter (Book WIP)