Black Hole Academy
Backend contribution with Java 17 and Spring Boot, focused on REST APIs, JWT authentication, and containerized infrastructure with Docker and NGINX.
Java 17Spring BootPostgreSQLDockerWAF
Available for work
Victor Kangombe
Backend Engineer | Java | Node.js | DevOps
Building scalable APIs, real-time systems and containerized infrastructure.
About
Backend-focused engineer
Backend Developer focused on Java (Spring Boot) and Node.js (NestJS), building APIs with JWT authentication, Redis caching and Docker-based infrastructure.
Experience
Experience designing backend systems with reverse proxy (NGINX), real-time communication and observability practices. Interested in system reliability, DevOps and applied cybersecurity.
Education
- DevOps & Security Specialization (42 Advanced) · present
- Software Engineering (42 Common Core) · 2024 – 2026
- ISPTEC – Computer Science · present
- High School – Physical & Biological Sciences · 2020 – 2022
Profile
Victor Kangombe
Backend Engineer · DevOps · Infrastructure
Languages
- Portuguese · Native
- English · Intermediate
Tech Stack
Technologies I work with
Tools and languages I use daily for backend development, DevOps and infrastructure.
Java
TypeScript
C++
C
Python
Dart
Spring Boot
Node.js
NestJS
PostgreSQL
MySQL
Redis
Docker
NGINX
Git
GitHub
Linux
Projects
Selected work
Projects with clear architecture, well-defined responsibility and real technical depth.
Cesta Digital
Donation platform backend with authentication, real-time campaign tracking, Redis caching, and monitoring.
NestJSPrismaRedisJWT
Accessible Tourism Map
Web platform with interactive map, accessibility filters, and Flask API serving geo-data with KPI dashboards.
PythonFlaskFoliumLeaflet
Inception
Orchestrated infrastructure: NGINX, WordPress, and MariaDB running in isolated Docker containers with custom networking.
DockerNGINXMariaDBDocker Compose
Webserver
HTTP engine built from scratch with manual parsing, raw sockets, and typed responses. Compliant with HTTP/1.1.
C++ 98SocketsHTTP/1.1
Born2beroot
Linux hardening project: user permissions, SSH configuration, firewall rules, and security policies.
LinuxSecuritySSHUFW
Competitions
Hackathons & Awards
Results from national and international competitions.
1st Place
Hackathon OSTJA
2026 · National
2nd Place
Africell Code Fast
2025 · National
3rd Place
NASA Space Apps Challenge
2025 · International
3rd Place
ISPTEC Programming Competition
2023 · University