Andrei C.

Andrei C.

Backend Developer

Romania
Trusted member since 2025
7 years of experience

A key achievement in Andrei’s career was leading the design and implementation of a billing system from scratch during his contract with Amadeus. He managed the entire development lifecycle—from architecture and coding to testing and production maintenance—delivering the project on time and earning high praise from management.

Known for his technical proficiency, rapid learning, and ability to solve complex problems independently, Andrei consistently contributes reliable, high-quality solutions to software development teams.

Main expertise

C++C++7 years
BashBash7 years
GitGit7 years
LinuxLinux7 years
8+

Experience3

Amadeus

C++ Developer

Amadeus
Transportation and Logistics
Mar 2022 · 4y 1m
  • Led an Agile team of five developers within the SAFe framework, contributing to the development of a global distribution system for the airline industry.
  • Designed and developed a custom billing model for major airline clients from scratch, using Modern C++17 and OpenAPI for model generation and integrating SQL databases for efficient data handling.
  • Architected and implemented a microservices-based system, enabling seamless communication between services through Kafka, HTTP requests, and specialized messaging protocols to reliably exchange sales data across systems.
  • Established a CI/CD pipeline to automate the delivery process, ensuring streamlined deployments and operational efficiency.
  • Enhanced software quality by authoring comprehensive non-regression tests with Python scripts and high-coverage unit tests using Google Test (gtest).
  • Integrated Docker and cloud-based infrastructure to improve scalability, deployment efficiency, and maintainability of the services.
DockerDocker
AWSAWS
JenkinsJenkins
PythonPython
Design
11+
Cisco

Software Engineer

Cisco
Social Networking
Feb 2020 - Mar 2020 · 1m

Chat Application

  • Collaborated with a hybrid team on server-side development in C++14/17.
  • Developed new features using advanced design patterns (Observer, Factory, Singleton, Builder) and modern programming techniques.
  • Integrated solutions with a SQL database backend to ensure efficient data handling.
  • Extended functionality to the Windows client, leveraging Qt and QML to design a responsive and user-friendly interface.

Secure Communication System

  • Designed and implemented a secure communication system, integrating SIP protocols with multiple clients.
  • Applied networking protocols, encryption techniques, and data security practices to ensure robustness.
  • Conducted major migrations, including transitioning from 32-bit to 64-bit architecture and upgrading Python scripts to Python3.
  • Implemented and optimized secure data handling and storage within a SQL database.
  • Utilized Linux, IPC, C++, Java, Python, Linux sockets, TLS, VPN, and OpenSSL to deliver secure solutions.
  • Analyzed and resolved complex bugs, improving both system functionality and performance.
  • Maintained a strong focus on scalable software, high-quality code, and effective cross-team collaboration.
PythonPython
C++C++
SQLSQL
BashBash
LinuxLinux
6+
Raptor Technologies

C/C++ Developer

Raptor Technologies
Automotive
Jun 2018 - Feb 2020 · 1y 8m

Remote Diagnostic System

  • Developed in C++11, utilizing an event-driven architecture to run Lua scripts for collecting car diagnostics data and transmitting results to a remote server.
  • Implemented new features based on technical documentation.
  • Wrote robust tests and debugged complex issues to enhance system reliability.

Remote Update System

  • Engineered a state machine system for securely updating in-vehicle software using C++ and C.
  • Created scalable and maintainable code to ensure seamless software updates across diverse automotive environments.

General Contributions

  • Leveraged Linux, Python, CMake, CANoe, and Git for efficient development, testing, and collaboration.
  • Actively participated in sprint planning, code reviews, and continuous integration, ensuring high-quality standards and timely delivery of features.
JenkinsJenkins
PythonPython
CC
C++C++
BashBash
7+

Assessments

Engineering excellence

Andrei’s overall performance in a 90-minute live technical assessment ranks in the top 5% of vetted Backend Developers at Proxify.

Education

TUO
Technical University of Cluj-Napoca
Computer Science2015 - 2019

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