11/04/2026 updated

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C#/.NET & Angular Software Engineer | Azure | Enterprise SaaS & APIs

Sanmartin, Romania
Only remote
Bachelor's Degree in Computer Science
Sanmartin, Romania
Only remote
Bachelor's Degree in Computer Science

Profile attachments

Cristian-Popescu-CV.pdf

About me

I'm a Romania-based software engineer with 5+ years of experience delivering .NET, Angular, and Azure applications. I've worked on clinical trial platforms, tax automation, enterprise APIs, and database modernization. I enjoy solving complex engineering problems and building reliable software.

Azure DevOpsSupabaseASP.NET.NET FrameworkASP.NET MVC FrameworkMicrosoft AzureC Sharp (Programming Language)Python (Programming Language)PostgreSQLMongoDBNext.jsSQL DatabasesSQL Server AgentAngular Material.NET CoreOktaBackendBackend ProgrammingFull Stack DevelopmentFront End Software Development
Backend Development with .NET
Expertise in .NET 8, .NET Core, ASP.NET Core, REST APIs, and gRPC for building scalable and distributed backend systems, including multithreading and Spring Boot.

Full-Stack Development with Angular
Proficiency in Angular 17, TypeScript, JavaScript, Angular Material, Kendo UI, Next.js, and React (basic) for developing modern, responsive frontend applications.

Cloud & DevOps with Microsoft Azure
Hands-on experience with Microsoft Azure, Azure DevOps, Jenkins, CI/CD pipelines, and automated builds and deployments across environments.

Database Management
Experience with SQL Server, PostgreSQL, Oracle SQL, and MongoDB, including stored procedures, transactions, and query optimization for large datasets.

Programming Languages
Proficiency in C#, TypeScript, JavaScript, SQL, Python, Java, C, and C++ for a wide range of software development tasks.

AI & Machine Learning
Knowledge of OpenAI API, scikit-learn, TensorFlow, Keras, neural networks, and linear regression for building and evaluating machine learning models.

Software Engineering Practices
Strong foundation in algorithms and data structures, testing, code review, root-cause analysis, performance tuning, technical design, and Agile methodologies.

Distributed Systems & Networking
Experience building client-server applications with concurrent request handling, process management, and service communication using multithreading and fault-tolerant design patterns.

Experience

Professional experience5 - 10 years
Freelancer since2022

Languages

GermanBasic knowledgeEnglishFluentRomanianNative speaker

Project history

.NET Software Developer III

Suvoda
Lead development of clinical trial Interactive Response Technology (IRT) systems covering randomization, drug dispensation, dose titration, priority dispensation, and unblinding. Translate clinical requirements into documented technical designs, assess feasibility, estimate implementation work, and manage deployments across environments. Resolve critical production issues through debugging and root-cause analysis. Serve as Lead Project Developer, coordinating technical decisions and delivery across project teams while mentoring and onboarding engineers.

Full-Stack Software Engineer (.NET, Angular, Azure)

ARKK
Develop a cloud-based tax automation platform with .NET, Angular, and Azure for enterprise financial reporting, compliance, and regulatory submissions. Implement data ingestion, transformation, validation, and financial calculations. Contribute to backend and frontend testing and Azure DevOps CI/CD pipelines for automated builds and deployments.

Mathematical Visualization Tool Developer

Selected Project
Collaborated with Prof. Vlad Vicol (New York University) to develop software using Python, NumPy, and Matplotlib that transforms mathematical equations into real-time graphical animations.

Personal Energy Consumption Tracker & Advisor Developer

Selected Project
Led development of a full-stack energy analytics application with REST APIs, MongoDB persistence, and interactive Angular dashboards using ASP.NET Core, Angular 17, Angular Material, MongoDB, Python, and OpenAI API. Implemented authentication and authorization with ASP.NET Core Identity, linear-regression forecasting, and personalized energy-saving recommendations.

Table Tap - Restaurant QR Ordering Platform Developer

Selected Project
Built a QR ordering platform with Next.js 14, TypeScript, PostgreSQL, Supabase, Realtime, and Row-Level Security, featuring token validation, table-specific sessions, real-time kitchen and bar dashboards, role-based staff workflows, and database-backed order lifecycle management.

Distributed Systems & Networking Projects Developer

Selected Project
Built client-server applications using Java, Spring, C#/.NET Core, gRPC, Thrift, and Multithreading with concurrent request handling, process management, and service communication, applying multithreading and fault-tolerant design patterns.

.NET Software Developer II

Suvoda
Lead development of clinical trial IRT systems, translated clinical requirements into technical designs, resolved critical production issues, and served as Lead Project Developer coordinating technical decisions and mentoring engineers.

Full-Stack Software Engineer (.NET, Angular)

Cylex
Developed and maintained APIs connecting internal systems with external partners. Led migration from SQL/Oracle SQL to MongoDB and optimized queries for large datasets. Modernized legacy application components with Angular 17 and .NET 8. Designed and built a customer-care web application enabling real-time moderation workflows.

Machine Learning Engineer Intern

Qubiz
Built machine learning models with Python, TensorFlow, Keras, and scikit-learn, covering preprocessing, feature engineering, model training, and evaluation.

Certificates

Principles and Practices of Advanced System Design

Educative

2024

Cambridge Certificate: CAE (C1)

Cambridge English

2020

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