Grinel Tech Solutions · Training & project supervision · Kigali, Rwanda
NIYONKURU Cedric Victor — Expert Web, Mobile, and Software Engineering
Versatile Web Developer bridging elegant design and technical performance—React, Next.js, Node.js, machine learning, hands-on training across languages, and supervised delivery.
NIYONKURU Cedric Victor
Grinel Tech Solutions
Expert Web, Mobile, and Software Engineering
Speed
Ship fast with confidence and clear trade-offs.
Quality
Performance, a11y, and reliability are defaults.
Clarity
Readable code, docs, and smooth handoffs.
About
Grinel Tech Solutions: engineering partner for serious teams.
Custom web, mobile, and software engineering—with training, supervision, and outcomes you can measure.
Versatile Web Developer dedicated to bridging the gap between elegant design and technical performance. With expertise in the modern web ecosystem—specifically React, Next.js, and Node.js—I focus on writing clean, maintainable code that delivers measurable business value.
Throughout my career, I've stayed committed to optimizing web performance and accessibility, ensuring that every project I touch is as inclusive as it is fast. I don't just build websites; I build digital solutions that solve real-world problems.
I apply machine learning where it drives outcomes, train teams across languages and stacks, and supervise projects so delivery stays aligned from discovery to launch.
Grinel Tech Solutions is a full-service technology partner specializing in custom web design, mobile application development, and robust software engineering. We simplify the Information and Technology landscape by providing end-to-end solutions that drive efficiency and innovation.
Our expertise spans the latest development frameworks and official Microsoft Training programs designed to elevate your business operations. Focused on quality, security, and scalability, we are your trusted source for all things IT.
Training
Hands-on guidance across languages and stacks.
Supervision
Projects led end-to-end—from discovery to launch.
Security & scale
Quality-first delivery with resilient architecture.
Microsoft-aligned
Modern frameworks plus official training pathways.
Timeline(Experience + Training)
Founder & Lead Engineer
Grinel Tech Solutions
2024 — Present
- • End-to-end delivery: web design, mobile apps, and robust backend systems.
- • Training and mentorship across modern stacks; supervision from discovery to launch.
- • Microsoft Training program alignment and pragmatic ML where it adds business value.
Full Stack Developer (Freelance)
Independent
2022 — 2024
- • Production-grade Next.js apps with clear architecture and documentation.
- • Performance and a11y improvements on business-critical flows.
- • CI, PR standards, and clean handoffs for client teams.
Computer Science & continuous learning
Self-directed + formal training
2021 — Present
- • TypeScript, React, and Node.js through shipped products.
- • Backend: REST, auth, data modeling, observability.
- • Teaching mindset: workshops, pair sessions, and supervised projects.
Skills
Depth where it matters.
Grouped by domain. Each skill includes what I actually do with it—not just a buzzword list.
Frontend
5 skills
React
92%
Component architecture, performance, state, accessibility.
Next.js
80%
App Router, SSR/ISR, Server Actions, SEO, edge-friendly patterns.
TypeScript
80%
Domain typing, generics, API contracts, DX-focused safety.
Tailwind CSS
80%
Design systems, tokens, responsive composition, dark-first UI.
HTML/CSS
90%
Semantics, layout, motion, cross-browser polish.
Backend
5 skills
Machine Learning
80%
Practical ML integration, data pipelines, evaluation, and shipping models alongside web products.
Node.js
85%
APIs, queues, auth, caching, observability, testing.
Express
85%
REST, middleware, validation, structured error handling.
PHP
90%
Legacy modernization, API integration, pragmatic delivery.
MySQL
90%
Schema design, indexing, query optimization, migrations.
Tools
3 skills
Git / GitHub
88%
PR hygiene, branching strategies, CI workflows, code review.
Figma
79%
UI exploration, components, design handoff, tokens.
Vercel
82%
Preview deploys, performance, environment management, analytics.
Projects
Proof of work, not just polish.
Case studies that show the problem, the solution, and measurable impact. Built to be credible within five seconds.
Atlas Billing
Full Stack
Problem: A SaaS had revenue leakage and slow invoicing due to manual reconciliation, inconsistent pricing logic, and missing audit trails.
Pulse Observability Dashboard
Frontend
Problem: Teams couldn’t trust incident status because data lived across tools, dashboards were slow, and the UI buried critical signals.
Vault API Gateway
Backend
Problem: A multi-client platform needed a secure, rate-limited API layer with consistent validation and observability across services.
Experience
Ownership across the stack.
A vertical timeline of roles, freelance engagements, and high-leverage projects.
Founder & Lead Engineer
Grinel Tech Solutions
2024 — Present
Full-service technology partner for web, mobile, and software engineering—custom builds, Microsoft-aligned training, and supervised project delivery with a focus on quality, security, and scale.
- End-to-end delivery: web design, mobile apps, and robust backend systems.
- Training and mentorship across modern stacks; supervision from discovery to launch.
- Microsoft Training program alignment and pragmatic ML where it adds business value.
Full Stack Developer (Freelance)
Independent
2022 — 2024
Delivered client products with emphasis on performance, accessibility, and maintainable code.
- Production-grade Next.js apps with clear architecture and documentation.
- Performance and a11y improvements on business-critical flows.
- CI, PR standards, and clean handoffs for client teams.
Testimonials
Trust, from people I’ve shipped with.
Social proof is part of the product. These are the outcomes clients and teammates care about.
“Rare mix of product thinking and engineering depth. Clear communication, premium UI, and shipped a complex billing workflow with confidence.”
Obed U.
Product Lead · SaaS Platform
“Strong ownership and reliability. Thought through edge cases, performance, and accessibility—then delivered a polished result with docs.”
Innocent M.
KAMI WOOD DESIGN - CEO
“The work wasn’t just beautiful—it was practical. The case studies, metrics, and structured delivery made it easy to trust the process.”
James K.
Founder · Agency Client
Contact
Let’s build something serious.
If you’re hiring, contracting, or need an engineer who can own outcomes end-to-end, send a message.