Software Engineer / Netherlands

I build products that
users love and
businesses rely on.

11+ years shipping full-stack systems, cloud architectures, and mobile platforms. I bridge technical execution and product thinking to deliver software that solves real problems.

Get in touch→ View work

Selected Work

Projects &
Cases

Nine products across event ticketing, wellness, telehealth, loyalty, logistics, fintech, e-commerce, HR tech, and mobile. Built with clean architecture and a strong product mindset.

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01
Evenz Ticketing Live
Find and buy event tickets from anywhere in the world
RoleTechnical Lead & Architect
TypeWeb App + Mobile
500+ Cities
+
Role
Technical Lead · Architect
Designed and built the entire platform from the ground up — the backend that powers events and ticket search, the checkout flow that processes event driven purchases, and the frontend web experience. Made all major technical decisions from day one.
Problem Solved
Buying event tickets means navigating dozens of websites with high fees and no guarantees. Evenz puts everything in one place — searchable on a map, available worldwide, aggregated tickets from different sources, with no hidden charges for buyers.
Tech Stack
Kotlin Spring Boot Microservices Kafka Postgres Elasticsearch Redis Next.js Go Docker AWS
Impact & Metrics
500+Cities worldwide
20+Countries covered
$0Buyer fees charged
Visit evenz.com ↗
02
Zzagl Wellness Shipped
Wellness professionals at your doorstep, on demand
RoleTechnical Lead & Architect
TypeMobile App
Uber for wellness
+
Role
Technical Lead · Architect
Designed and built the backend platform from the ground up — the booking engine, service matching, real-time geolocation tracking, and the event-driven pipeline that connects customers, drivers, and wellness professionals at scale.
Problem Solved
Getting a massage or haircut in Saudi Arabia means travelling to a salon or spa. Zzagl flips the model — customers book a wellness service through the app, and a driver brings the professional straight to their door, tracked in real time via geolocation.
Tech Stack
Java Spring Boot Microservices Kafka Postgres Elasticsearch Redis Flutter Docker AWS
Impact & Metrics
Uber-likeDispatch model
Real-timeDriver geolocation
03
KonsultaMD Telehealth Live
See a licensed doctor anytime, from your phone
RoleTechnical Lead · Manager · Architect
TypeWeb App + Mobile
3M+ Users
+
Role
Technical Lead · Manager · Architect
Designed the initial PoC of the core video call feature connecting patients to doctors, which closed the deal with the client. Architected the overall platform from the ground up for millions of Filipinos to connect with doctors remotely using a scalable scheduling system.
Problem Solved
Seeing a doctor in the Philippines is expensive and inconvenient for most people. KonsultaMD makes it as easy as opening an app — connect with a licensed doctor any time of day or night, from anywhere, without a hospital visit.
Tech Stack
Java Spring Boot Microservices MySQL Angular 2 Docker AWS
Impact & Metrics
3M+Registered users
1,500+Licensed healthcare professionals
24/7Doctor access availability
Visit konsulta.md ↗
04
Hachi Rewards Fintech Live
Bank loyalty platform that rewards every purchase
RoleLead Engineer · Architect
TypeWeb App
50M Tx/Day
+
Role
Lead Engineer · System Architect
Designed and built the system with dynamic reward programs setup that tracks loyalty points for millions of bank cardholders — from the moment a purchase is made to when a customer redeems their points at a partner store.
Problem Solved
Banks needed a way to reward customers for spending, but their old systems couldn't keep up with the volume and had no way to set up dynamic rewards programs. Hachi handles tens of millions of card transactions every day, making sure points are earned and redeemed instantly.
Tech Stack
Java Spring Boot Postgres Angular.js AWS
Impact & Metrics
50MDaily transactions processed
20MActive cardholders
99.9%Availability SLA
05
Falcon Logistics Shipped
Mobile delivery tracking app that works even offline
RoleMobile Engineer
TypeMobile App
Offline-first
+
Role
Mobile Engineer
Built the Android app used by delivery drivers and logistics teams to manage their daily deliveries, update statuses in the field, and stay in sync with the operations team — with or without an internet connection, with the use of an SMS-based microcontroller.
Problem Solved
Delivery teams often work in areas with poor signal. Falcon lets drivers view and update their delivery list even without an internet connection.
Tech Stack
Java Android SQLite (Room) Arduino
Impact & Metrics
OfflineWorks without internet
Near Real-timeSyncs with server
06
Impoq Fintech Shipped
Digital paluwagan — AngelHack Manila 2018 Grand Winner
RoleFounder · Lead Engineer
TypeMobile App
Hackathon Winner
+
Role
Founder · Lead Engineer
Built the full mobile app from scratch during a 24-hour hackathon — the savings group management, contribution scheduling, and payment tracking. Competed against 9 teams across Southeast Asia and took the grand prize.
Problem Solved
Paluwagan is a traditional Filipino savings practice where a group of people pool money and take turns receiving the pot. It works on trust, but trust breaks down — payments get missed, disputes arise. Impoq makes it organized, transparent, and automatic so everyone can see what's happening.
Tech Stack
React Native Node.js MySQL
Impact & Metrics
#1AngelHack Manila 2018 Grand Winner
9Teams competed across SEA
07
The Grocery E-commerce Shipped
Shop for groceries online and get them delivered to your door
RoleBackend Engineer
TypeWeb App
Same-day Delivery
+
Role
Backend Engineer
Led the backend that powers the shopping experience — the product catalog, stock availability, order handling, and delivery scheduling that customers interact with when they shop.
Problem Solved
Grocery shopping takes time most people don't have. The Grocery brings the supermarket experience online — browse by category just like walking the aisles, add to cart, and have everything delivered the same day.
Tech Stack
PHP Laravel MySQL Elasticsearch
Impact & Metrics
Same-dayDelivery to your door
BrowseLike you're in the store
08
CeeVee HR Tech Shipped
Smart resume & talent matching platform
RoleFull-Stack Engineer
TypeWeb App
AI Matching
+
Role
Full-Stack Engineer
Built the core platform — the resume submission and review tools, candidate profiles, and the job-matching system used by both employers and job seekers. Enabled by the candidate's video introduction to help them stand out.
Problem Solved
Hiring is slow because recruiters manually sift through hundreds of CVs. CeeVee structures the process — candidates build profiles, and employers filter and rank applicants based on what actually matters for the role.
Tech Stack
PHP Laravel MySQL Elasticsearch
Impact & Metrics
FasterCandidate screening for employers
BetterJob matches for candidates
09
Ember Fintech Shipped
Snap a receipt, auto-fill your reimbursement claim
RoleMobile Engineer
TypeMobile App
OCR Scanning
+
Role
Mobile Engineer
Built an Android app that uses the camera to read receipt information and automatically fill in the details needed for an expense reimbursement claim — turning a tedious manual task into a one-tap process.
Problem Solved
Filing expense reimbursements means digging out receipts, manually typing amounts, TIN numbers, and dates — and hoping nothing is missed. Ember reads all of that from a photo of the receipt automatically, so employees spend seconds instead of minutes on every claim.
Tech Stack
Java Android Tesseract OCR Node.js
Impact & Metrics
InstantReceipt data extracted from a photo
AutoReimbursement claim pre-filled

About

I care about
why something
is built as much
as how.

KotlinJavaSpring BootKafka AWSReactDocker PostgreSQLKotlin Multiplatform

I'm a software engineer who approaches every project with a product mindset. With 11+ years spanning backend systems, cloud infrastructure, and mobile development, I bring technical depth grounded in real product thinking.

I've led engineering teams, shaped technical roadmaps, and shipped products across telehealth, logistics, fintech, and e-commerce. My focus is always on the end user — what makes a product great isn't just clean code, it's whether it solves a real problem and feels good to use.

I work at the intersection of engineering and product: translating business goals into scalable, maintainable systems, and ensuring what we ship is something users genuinely want to come back to.

Tech Skills

Technical Leadership, Product Mindset, Domain-Driven Design, Event-Driven Architecture, Clean Architecture, Microservices

11+Years of experience
9+Products shipped
3Certifications
4Industries

Credentials

Certifications &
Achievements

Continuous learning across project management, cloud architecture, and product delivery — backed by globally recognized certifications.

View on Credly ↗
Certified Associate in Project Management
Project Management Institute (PMI)
CAPM
AWS Solutions Architect — Professional
Amazon Web Services
AWS SAP
AWS Solutions Architect — Associate
Amazon Web Services
AWS SAA
★
AngelHack Manila 2018 — Grand Winner
Led team "Relax, You're Doing Fine" to first place with Impoq — an app automating traditional Filipino money pooling practices (paluwagan). Competed against 200+ teams across Southeast Asia.
SMART Newsroom ↗ Wellfound ↗
Hackathon

Contact

Let's work
together.

hi@leijendary.com→ LinkedIn ↗ GitHub ↗