Defense
NATO & SAFE naval defense systems.
Hi, my name is
Angelo Barbu
Senior Software Engineer
I design and develop resilient software across defense, fintech and social platforms from low-level systems to cloud-native services.
Bucharest, Romania
- Defense
- Fintech
- Social Media
- Academic Research & Machine Learning
Sectors I have worked in
Fintech
High-throughput, low-latency financial issuing services.
Social Media
Enterprise resource planning and automation solutions for social media platforms.
Academic Research & Machine Learning
Applied machine learning and academic research.
Work Experience
Roles I have had and the expertise I have offered.
Senior Software Engineer @ Worldline Business Services Romania
May 2026 – Present
Bucharest, Romania (hybrid)Fintech
Leading role in development and maintenance of the issuing system of multiple financial institutions.
- Responsible with documenting comprehensive software requirements and implementing core system modules using C++21.
- Ensured software robustness by implementing unit tests using GTests, employing manual testing tools and expanding existing regression tests
Projects: WLP FO
Software Engineer @ Thales Romania
Nov 2024 – May 2026
Bucharest, Romania (hybrid)Defense
Major role in the development of OceanDS - a secure, data-processing system for mission-critical naval defense platforms.
- Contributed to spearheading the foundation of the project, driving it from an initial phase to active development.
- Responsible with documenting comprehensive software requirements and implementing core system modules using C++17 and Qt 6 framework.
- Responsibility has also extended to defining a build architecture and implementing a build system for the project using CMake, ensuring reliable and scalable modules.
- Ensured software robustness by implementing unit tests using QTest and defining functional test plan documents and frameworks
- Taken an active part in ramping up new colleagues and facilitating the knowledge transfer necessary for project familiarity.
Projects: OceanDS
Backend Software Developer @ Business2Point
Oct 2022 – Nov 2024
Bucharest, Romania (hybrid)Social Media
Extended high responsibility regarding the developing of multiple projects' backend.
- ERP software using C++ and Qt framework.
- Automation solutions using Python and PyQt for social media platforms.
- AI components integration for automation solutions.
- Backend of multiple web applications, websites and landing pages in PHP and JavaScript.
- Chrome browser extensions using JavaScript.
- Microservices using Flask and Waitress in Python.
Projects: Qube · Social Media Automation · Revenue Calculator Landing Page
Machine Learning Intern @ Keysight Technologies Romania
Jun 2022 – Sep 2022
Bucharest, Romania (hybrid)Academic Research & Machine Learning
Summer internship in Machine Learning.
- Acquired basic knowledge of Machine Learning and Python fundamentals.
- Studied the mathematical theory of Machine Learning algorithms and neural networks.
- Implemented multiple starter tasks in Machine Learning, such as handwritten digits and image clasiffiers using Binary Classification and Convolutional Neural Network(CNN).
- Developed a solution for log parsing used in an internal project.
Apprentice Software Engineer @ Oracle Romania
Nov 2019 – Jun 2020
Bucharest, Romania (hybrid)Academic Research & Machine Learning
Expanded Java, SQL and Oracle Database technical knowledge.
- Completed the Oracle Academy Club training program.
- Expanded my understanding of Oracle Database and SQL Development.
- Hands-on programming skills in developing web applications using Java and Web Services, such as FMW and WebLogic.
- Acquired Soft Skills in a professional environment.
- Successfully developed a library platform - our main project - as a team using the technology stack learned during the academic program working in an Agile methodology having SCRUM meetings.
Projects
Work, research and personal projects.
12 of 12 projects
WLP FO
Maintained@ Worldline Business Services Romania · 2026 – present · Fintech
Worldline Payments - Front Office
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A real-time system for cards and transactions issuing, tailor-made into instances for multiple financial institutions having different requirements and necessities.
OceanDS
In progress@ Thales Romania · 2025 – 2026 · Defense
System of systems: naval sensors data filtering & real-time handling from time and frequency synchronization cards.
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A system consisting of multiple systems having different roles. One system handles the rendundancy, filtering and normalization of the data received from the naval sensors. The other system handles the time and frequency synchronization received from dedicated time cards.
Decentralised Digital Identity Verification System
Finished@ Politehnica University of Bucharest · 2023 – 2025 · Academic Research & Machine Learning
Decentralised system for individuals' identity verification with a focus on privacy and confidentiality.
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A platform where individuals can issue, manage and revoke identity credentials, managed on blockchain deployed on Ethereum Virtual Machine. The system includes a Node.js business logic, a React.js visual component, based on a local Ethereum blockchain environment powered by Truffle Suite (Ganache, Solidity for ETH Smart Contracts). The identities are owned by Ethereum wallets and they connect to the Digital Identity system through MetaMask.
Booksia
Finished@ Politehnica University of Bucharest · 2025 · Academic Research & Machine Learning
University project based on developing an e-store for books.
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University team project for Banking Software Development based on developing an e-store for books, employing Java Spring boot for backend, Python Flask for authentication module, Vite for frontend, Stripe for payments and Terraform for IaC.
SpinUp: Decentralized Bidding-System for Music Playlist-Voting
In progressPersonal project · 2025 · Academic Research & Machine Learning
Decentralised application for bidding on the playing songs.
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A decentralized application where customers in bars and clubs bid on the next song to be played. Using SpinCoin (a custom Solana token), customers can vote on songs from a playlist managed by venue owners, with bids accumulating to determine the winning song.
Qube
Finished@ Business2Point · 2022 – 2024 · Social Media
Enterprise Resource Planning (ERP) tailor-made for client requirements.
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Enterprise Resource Planning(ERP) software for business management and statistics tailor-made for the client's specific business logic. The solution was developed using Qt framework - C++ with Qt for backend and QML for frontend. The microservices were implemented using Python and Flask.py and the server communication is assured by implementing gRPC communication.
Revenue Calculator Landing Page
Finished@ Business2Point · 2024 · Social Media
Landing page for calculating potential revenue based on a regression formula.
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Landing Page for calculating potential revenue based on a regression formula. The result of the calculus is processed and returned using a Flask.py microservice and the website was developed using Wordpress and PHP.
Social Media Automation
Finished@ Business2Point · 2023 – 2024 · Social Media
Tailor-made solution for social media automation.
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Social Media Automation solution, developed and tailor-made for client's social media business pipelines' requirements. The client was implemented backend wise using Python and Qt Framework and QML for frontend. The automation was developed using Selenium Grid and the intelligent responses were generated using an AI component based on OpenAI's GPT4. Microservices were implemented using Flask.py and server communication was established using gRPC.
Warehouse Stock Management
Finished@ Politehnica University of Bucharest · 2023 · Academic Research & Machine Learning
University project for Advanced Java Programming class.
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University project that simulates the business logic and backend of a warehouse stock management application. The project implements core functionalities for this type of backend, such as multiple collections, multithreading, lambdas for listener functions and streams for warehouse reports and statistics.
Blockchain System for Energy Resources Tracking and Certification
Finished@ Politehnica University of Bucharest · 2023 · Academic Research & Machine Learning
Tracking and certification platform for energy resources based on blockchain.
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The Decentralised Energy Trading and Tracking System offers a highly secure and privacy-preserving system where energy resources can be traded, tracked and certified using a smart contract that facilitates the decentralized trading and tracking of energy resources between buyers and sellers.
Flights Management
Finished@ Politehnica University of Bucharest · 2021 · Academic Research & Machine Learning
University project that employes SQL Server.
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University project that consists of a GUI application using Java Swing connected to a SQL Server database.
ATP Cup: Data Structures Project
Finished@ Politehnica University of Bucharest · 2019 · Academic Research & Machine Learning
University project that employes multiple data structures.
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University project that simulates the ATP Cup and implements multiple data structures, such as doubly linked list with sentinel, stack, queue and binary search tree for the purpose of solving multiple tasks.
Education
MEng in Computer Engineering — Advanced Software Services
2023 – 2025
Politehnica University of Bucharest
Specialised in advanced software services: cloud computing, big data, distributed modern systems, data mining, data analysis, IoT, ML, IT entrepreneurship
- Thesis: Decentralised Digital Identity Verification System.
- Comprehensive academic understading of fields such as Cloud Computing, Big Data, Distributed Modern Systems, Data Mining and Data Analysis, Internet of Things, Machine Learning, Services Architecture and IT Entrepreneurship.
- Familiarity with applying technology stacks, such as Docker with Kubernetes and Terraform, Python Big Data libraries and Machine Learning models, Blockchain, Advanced Java Programming using Spring and Hiberate.
- Expanded my field of knowledge regarding Computer Engineering areas and technology stacks
Projects: Decentralised Digital Identity Verification System · Booksia · Warehouse Stock Management
BEng in Automatic Control and Systems Engineering
2019 – 2023
Politehnica University of Bucharest
Core automatic control, systems and software engineering curriculum: algorithms & data structures, object-oriented programming, networks, databases, robust and optimal control.
- Thesis: Energy Certification and Tracking Blockchain Platform.
- Hands-on academic experience regarding studying and programming Algorithms and Data Structures, Object-Oriented Programming, Databases, Robust and Optimal Control, Automatic Control, Advanced Systems Communication, Filters, Regulators, Signals and Systems Processing and Identification.
- Applied multiple technology stacks, such as C/C++ for computer programming and Matlab, Julia, Python, Maple for systems and mathematical programming.
- Developed lifelong soft skills, such as a higher degree of flexibility and information absorption
Projects: Blockchain System for Energy Resources Tracking and Certification · Flights Management · ATP Cup: Data Structures Project
Certifications
Solana Developers Program
Comets of Web3 · Dec 2024
Oracle Academy Club
Oracle Romania · Jun 2020
Skills & Tech Stack
Click any skill here or anywhere on the page to see everything that backs it up.
Frameworks & Libraries
Databases & Messaging
Build, Cloud & DevOps
Practices
Interests
What I do when I'm not shipping software.
Travelling
Getting on a plane every time I get the chance to explore new corners of our planet.
Movies
Going to the cinema every time an interesting movie is released. I often rewatch old classics ... maybe too often.
Music
Getting my hands on every interesting vinyl album I can find. When a long-expected album gets released, I take my time to fully enjoy it with all my attention.
Technology
I am a major geek when it comes to technology and I am always up to date with the latest gadgets: smart fridges, robot vacuum cleaners, smartphones - you name it.
Get in Touch
Have a role, a project or just a question? Do not hesitate to drop a message.
You can also check out my socials below: