Back-End
- JavaScript · Node runtimes
- Go · High-throughput services
- Java · Spring ecosystems
- C++ · Systems fundamentals
- PostgreSQL · Schema design
- MongoDB · Document modeling
- MySQL · Transactional data
Designing resilient back-end systems for data-heavy and accessible products.
I'm Eliyanan Belay, a back-end developer who thrives on complex data flows, robust payment integrations, and inclusive learning platforms. I enjoy bringing clarity to messy requirements and turning them into production-ready APIs.
Snapshot
Impact in numbers
From fintech automation to accessible education, each project sharpens my toolkit for building resilient services.
05+
Production-ready platforms delivered across finance, commerce, and education.
24/7
Job intelligence feeds scraping, deduplicating, and enriching listings automatically.
100%
Payment traceability achieved with Chapa webhook logging and metadata capture.
Technical Stack
Skills I lean on daily
Focused on back-end engineering, but comfortable shipping full-stack features and collaborating across disciplines.
Frameworks
- Express.js & REST APIs
- Gin · Lightweight Go services
- Spring Boot · Enterprise tooling
- Django · Rapid admin tooling
- GraphQL/REST contract design
Developer Tools
- Docker & container registries
- Kubernetes & Helm
- Git · GitHub Actions
- Agile delivery & sprint rituals
- AI-assisted dev workflows
- Security & observability tooling
Experience
Projects that shaped my approach
I collaborate closely with founders, designers, and data teams to ship features that hold up in production.
Foundational builds · Freelance & Community
- Released a MERN starter kit to bootstrap API-first products for local startups.
- Shipped Däbäbä Rental, a listings platform with secure auth and multi-language UX.
- Maintained community blog tooling that introduced automated deployments.
Back-End Developer · Nexus Technology
- Architected a web scraping extension that extracts and normalizes job data across multiple job boards.
- Stabilized ingestion with smart retry logic, proxy rotation, and automated schema drift alerts.
- Contributed to internal tooling that streamlines data flow monitoring for operations.
Payment Automation · Nexus Technology
- Integrated Chapa's payment API, adding secure webhook handlers that log every transaction milestone.
- Persisted token metadata and customer identifiers for effortless audit trails and reconciliation.
- Delivered dashboards for ops teams to replay events and track settlement anomalies.
Fullstack Developer · Brothers IT Plc
- Built an RBAC-enabled catalog platform with Go microservices and a Next.js admin panel.
- Added multilingual content delivery and semantic search to improve product discovery.
- Launched chat, carts, wishlist, and review features across web and admin surfaces.
DIY Instruction Platform · Back-End Developer
- Delivered a Django-based CMS for administrators to publish and curate DIY tutorials.
- Implemented REST APIs supporting CRUD, keyword search, and category/tag filtering.
- Protected admin endpoints with role-based permissions and automated test coverage.
Ethiopian Sign Language Translator · Back-End Developer
- Engineering a Node.js service that transforms educational PDFs into EthSL and ASL-aligned glosses.
- Indexing sign language clips and mapping content to accessible videos for deaf students.
- Designing workflows to validate translations with educators and linguistic experts.
Portfolio
Recent work
Each build solves a specific friction—from scraping volatile sources to making education inclusive.
Back-End
Nexus Job Intelligence Scraper
Automated cross-site job collection with resilient scraping, data cleaning, and enrichment for downstream analytics.
- Rotating proxies and checkpointing preserve harvest stability across 40+ job boards.
- Normalization pipeline feeds a unified search index with alerting for schema drift.
Back-End
Chapa Payment Audit Pipeline
Webhook-driven pipeline logging every Chapa transaction and token handshake to guarantee audit-ready payment history.
- Signed payload storage and replay tooling resolve disputes without manual digging.
- Automated anomaly alerts flag delayed settlements within minutes.
Fullstack
Brothers IT Product Catalog
Containerized Go + Next.js stack offering role-based catalog management, multilingual UX, and semantic product search.
- Role aware dashboards unify sales, inventory, and support workflows.
- Vector search surfaces SKUs by intent so teams locate items faster.
Payments
YagoutPay Gateway Integration
Gateway integration that encrypts checkout payloads, validates webhooks, and keeps settlements on schedule.
- Rolled out AES-256 request signing with key rotation, nonce tracking, and clock-skew protection.
- Delivered webhook and settlement workers with signature verification, retries, and ops alerts.
Education
Learning that backs the craft
Formal study plus community-driven programs keep me iterating on best practices.
CPU College
Deepening my understanding of algorithms, systems design, and collaborative software engineering.
ALX Backend Development
Project-based sprints covering API architecture, infrastructure as code, and production debugging.
Certifications
Staying current
ALX Software Engineering
ALX Hospitality Hackathon
AWS Educate
Network Security
Contact
Let’s build something resilient
Have a project that needs reliable back-end plumbing or inclusive user journeys? Drop a note and I’ll get back within 24 hours.