Daniel Caplan Email & Phone Number

Washington , Dc, Us

San Francisco, California, Us

Senior member of the Guardian team, responsible for real-time telematics, video streaming, and command and control. - Predominantly worked with Python and Golang microservices and handled dev ops via Terraform, Jenkins and Github Actions around deploying these services and auxiliary services to our Kubernetes clusters in EKS.- Updated UI components in our React based Guardian app- For our in-house video streaming platform (GStreamer, C++) I added metrics around performance and developed a capability to support changing video codecs on the fly.- Scaled videostreaming platform 3x- Designed, developed, and maintained embedded services running on a custom Yocto linux based SoC as well as nodes in our ROS based AV system.- As a senior member I interviewed dozens of candidates as we increased the size of our team and mentored junior team members.

Annapolis Junction, Md, Us

- Designed and implemented UX and UI elements for React based SPA (currently at 300 regular users), handling complex logic and interfacing with REST APIs- Setup kubernetes configuration files to deploy microservice and UI containers to a Rancher managed k8s cluster- Dockerized microservices and UIs in conjunction with creating a CI/CD build and deployment pipeline in Gitlab, which were formally ran directly on AWS EC2 instances- Developed ETL pipelines in Apache NiFi to enrich data in ElasticSearch- Designed and implemented 2 Spring Boot based microservices, which interfaced with databases (Postgres, MongoDB, Redis), ElasticSearch, AWS Services (SQS, Lambda, S3) and other in-house REST APIs- Worked as part of an Agile Scrum team on various projects across multiple languages (C, C++, Python, Javascript)- Performed bug fixes and performance updates to legacy C code as well as integration with NodeJS- Updated current C++ code base for ETL software- Analyzed various tech stacks to design new user interface and code interaction tool from the ground up - Designed and implemented front and back end new tool using React for front-end design, Python (Django) RESTful API design and Postgres for back-end in conjunction with Jupyter Notebooks for generating code notebooks for end users- Utilized Docker containers for deployment with GitLab CI/CD as well as NPM for internal package management

Lanham, Md, Us

- Designed entire electrical system for the Land Vegetation Ice Sensor (lvis.gsfc.nasa.gov) Facility instrument for NASA Goddard (power and signal conditioning, internal and external harnesses, data system) and delivered on time, resulting in over 200 hours of science data collection (still ongoing)- Successfully designed and tested several PCBs required to interface COTS items with other sub systems (GPS, thermal control, camera) as well as control and monitor sub-systems (power, detector control, motor control)- Developed C++ libraries for embedded data system (GPS timer card, high-frequency digitizers, digital and analog I/O) to control various sub-systems- Refactored main control software utilizing standard OOD/OOP practices after developing a microcontroller based (ARM Cortex-M4) solution to offload real-time requirement from the data system- Designed GUI using QT4, qwt, and QGIS (C++) to provide extensive controls, real-time data display, moving map display, and flight planning and analytics of the LVIS Facility instrument- Developed GUI interfaces to aid in data post-processing

Lanham, Us

- Debugged custom hardware using standard lab equipment (multimeter, digital oscilloscope, digital logic analyzer, etc.)- Performed schematic design and PCB layout of power regulation and digital circuits- Fluent use of C/C++, multithreaded, OOP, and OOA practices- Expert knowledge and use of the Qt framework for developing GUI and embedded software- Proficient in researching and using open source and licensed third party libraries and APIs: - Google Maps API - cryptopp encryption - qwt (Qt based plotting) - exiv2 (exif embedded data for jpeg images)- Utilized UDP and TCP/IP protocols and utilized in an embedded Linux environment- Utilized RS-232/485 serial protocols on Windows and Linux- Designed embedded software system for a LiDAR instrument on ARM-Cortex M3 microprocessor (C), which interfaced to user controlled interfaces (buttons, LCD) and propriety FPGA,

Bachelor Of Science (B.S.), Biomedical Engineering

Master Of Science (Ms), Biomedical Engineering (Neuroengineering)