I build engineering software and aerospace systems, combining full-stack development, simulation, composite structures and experimental flight hardware.
National University of Science and Technology Politehnica Bucharest - from industrial engineering to a PhD Student in mechanical engineering, alongside professional roles.
Bachelor's degree, final grade 9. Thesis: research on the development of a 3D-printed robotic arm used for sorting.
Joined the 2Space aeronautical society, coordinating supersonic rocket technology development.
Reporting and data-quality work supporting Inside Sales teams in Bucharest.
Software Developer & Cybersecurity Analyst — secure full-stack development, threat hunting, malware analysis.
Master's degree at FILS. Thesis: data acquisition and interpretation application for a sounding rocket.
Optimization of hybrid polymer composite configurations for a supersonic rocket fuselage, with real-time monitoring and guidance via a ground station.
Taught the complete web application development lifecycle to engineering students.
Generated and delivered data-driven reports supporting decision-making for Inside Sales teams, corrected inconsistencies in local reporting and optimized reporting processes across sales teams and partners.
Develop enterprise software applications across frontend and backend systems using TypeScript, Java and Python, working within security-conscious enterprise environments.
Guided students through the full web application lifecycle — interface design, application logic, database integration and deployment — in a hands-on, collaborative environment built around real-world projects.
Establishment and operationalization of the first Tripoli prefecture in Eastern Europe, including procedures for high-power rocketry launches and Level 1 and Level 2 certifications.
Led a 15+ member multidisciplinary engineering team developing experimental sounding rockets for international competition.
Delivered production web applications for commercial clients, covering frontend development, backend integration, deployment and ongoing technical support.
Engineering web tool for preliminary design of composite laminates: stacking sequences, custom fibre-matrix properties, [A], [B], [D] stiffness matrices, equivalent mechanical properties and real-time visualization, with an AI agent proposing laminate configurations from natural-language requirements and a deterministic solver for strength checks.
Represented the only Romanian student team among 156 teams from 24 countries, contributing to a fully student-designed supersonic rocket reaching ~Mach 2 and 9 km altitude. As Structural Coordinator, led structural design, manufacturing and integration, optimizing aerodynamic load response and composite laminate configuration.
Organizing member of the first PocketQube satellite prototype competition for high-school students, with international teams from Estonia and the Republic of Moldova. Top three projects were awarded a launch aboard a 2Space supersonic rocket.
Active involvement in organizing SpaceFEST, one of the most important educational space events on the POLITEHNICA Bucharest campus, including the 2026 edition - coordinating technical activities and exhibitions around rockets and aerospace systems.
Bachelor's graduation project: a 3D-printed articulated robotic arm sorting objects by colour, integrating an AI vision module that detects and classifies objects in real time and provides guidance signals for positioning and control.
Master's project: a robust Python application interfacing with the onboard sensors of a sounding rocket, capturing real-time altitude, speed, temperature and atmospheric composition data for processing and interpretation.
Aero-structural design, additive manufacturing and flight validation of a PET-G FDM nose cone internally reinforced with glass-fibre/epoxy. Tangent-ogive geometry analysed through supersonic CFD and verified by FEA; flight-tested to ~9,772 m and Mach 1.7–1.8 with no cracks, delamination or permanent deformation.
C. Chelmus, T. Gheorma, S. Ursache, V. Toma, G. Cican, T. L. Grigorie
A reusable, modular experimental rocket targeting altitudes up to 100 km, integrating dedicated propulsion, payload, avionics and recovery modules for rapid mission reconfiguration — reducing cost through composites, in-house avionics and reusable recovery.
C. Chelmuș, Ș. Ursache, T.-A. Cristea
Reduced-scale TVC demonstrator for testing guidance, navigation and control algorithms for reusable and VTVL rocket systems, using coaxial electric motors and servomotors to orient thrust along two axes.
C.-T. Gheorma, C. Chelmus, S. Ursache, K. Hachem, M. Firoiu, A. Cristea
CLSA integrates Classical Laminate Theory, failure, buckling, fatigue and thermal-effects assessment, FEM checks and industrial-format export, with an AI agent generating laminate configurations from natural-language requirements. Validated through benchmarks, FEM comparisons and experiments on hybrid carbon-glass laminates.
S. Ursache, V. Nitoiu, N. Goga, A. Hadăr, C. Chelmus, T. Gheorma
Grand Prize of the 11th edition as a member of the Ophset team: capturing CO₂ with modular photobioreactors and converting it into bioproducts and carbon credits.
Session: Smart Materials and Production. Paper: supersonic rocket construction and aerodynamics study — Project LUNA.
Session: Mobility, Autonomous Vehicles, Aviation and Space Technology. Paper: additive manufacturing of a bi-propellant rocket engine.