Available · Booking from Q3 2026
CP / Portfolio · Rev. 2026.06
Cristi
Paraschiv
Senior full-stack engineer. Backend, architecture, and data are the core of how I work. Twelve years on production systems across satellite networks, SaaS, and native apps.
§ 01
Expertise
Practice & Stack
Backend, architecture, and data layers are the core. I work outward to the rest of the stack when a project needs it.
- Backend system design & architecture
- API design & third-party integrations
- Database modeling & optimization
- Cross-platform & native app development
- Technical leadership & mentoring
Backend // core
- Perl 12y
- Java 10y
- C++ 6y
- Python 5y
- FastAPI 3y
- Rust 1y
Frontend & Mobile // product
- React 6y
- Next.js 4y
- TypeScript 5y
- Swift / SwiftUI 3y
- Kotlin / Compose 2y
- Tauri 2y
Data & Infra // platform
- MySQL 12y
- PostgreSQL 5y
- Supabase 2y
- Docker 5y
- Linux 12y
- CI/CD · Git core
§ 02
Experience
OSF Digital · 2012 → Now
2022 → Present
Senior Backend Technical Lead
OSF Digital · Iași, RO
- Designed system architectures and led technical decision-making for a VSAT satellite network management platform.
- Collaborated directly with clients to gather requirements and author detailed technical design documentation.
- Ensured system reliability and scalability for mission-critical satellite communication infrastructure.
Perl
Java
C++
MySQL
Linux
Git
Java
C++
MySQL
Linux
Git
2019 → 2022
POD Lead
OSF Digital · Delivery
- Managed epic planning, milestone coordination, and cross-departmental communication.
- Mentored engineers on best practices, code quality and architectural thinking.
- Drove task prioritization and cleared blockers to maintain delivery velocity.
Planning
Mentoring
Review
Mentoring
Review
2012 → 2019
Perl Developer
OSF Digital · Satellite OSS/BSS
- Developed and customized a VSAT network management system using Perl as the middleware layer with C++/Java backend processes.
- Built and optimized MySQL databases: schema design, constraints, query performance.
- Integrated OSS/BSS platform components for satellite telecom operations.
Perl
MySQL
OSS/BSS
MySQL
OSS/BSS
§ 03
Selected Work
12 projects · 2021 → 2026
§ 04
About
Approach
Senior software engineer with a strong backend background. Long career on production systems that have to run continuously.
I optimize for clarity, correctness, and long-term maintainability over short-lived trends.
“I’ve seen systems fail, and I design them not to.”
§ 05
Currently available for engagements.
Get in touch
Open to senior backend and architecture engagements. Remote, EU timezones. Available from Q3 2026.
Currently accepting new projects