I teach Computer Science, AI, Machine Learning & IoT to learners from age 12 and above — and I offer completely free career guidance to help you find your path in tech.
I'm Pojitha Hettiarachchilalage — a tech professional, educator and mentor based in the UK. I hold a Master's in Artificial Intelligence from Birmingham City University and a BSc in Computer Security from NSBM Green University (affiliated with Plymouth University, UK).
I currently work as an IoT Hardware Engineer at CompleteCyber, building cutting-edge cybersecurity inspection devices. I also volunteer as an AI Lecturer at Genius Biut Academy, where I teach and inspire the next generation of tech talent.
My passion is making technology education accessible to everyone — from young learners aged 12 taking their first steps in coding, to professionals navigating career transitions in tech.
TensorFlow, Python, Neural Networks, Predictive Modeling
Raspberry Pi, Arduino, AWS Greengrass, PCB Design
HTML, CSS, JavaScript, React, Node.js
IDS/IPS, Network Security, Data Protection
Hands-on, personalised sessions in Computer Science, AI, ML & IoT
Perfect starting point for young learners. Cover core CS concepts — logic, algorithms, data structures, and problem-solving in a fun and engaging way.
From first-ever lines of code to advanced Python. Practical, project-based learning for kids, teens, and adults who want to build real things.
Understand how AI and Machine Learning work and build your own models. Taught by an MSc AI graduate with real research and industry experience.
Get hands-on with Raspberry Pi, Arduino, and real electronics. Build smart devices and connect them to the internet — perfect for curious young minds.
Learn how to protect systems and networks. Covers core security concepts, ethical hacking basics, and real-world defence strategies.
Coursework, dissertation, and thesis support for students studying CS, AI, Cybersecurity, and related tech subjects at all levels.
Message me via WhatsApp, LinkedIn, or Email
We discuss your goals, level, and what you want to learn
I build a personalised learning plan just for you
Regular sessions, real projects, real progress
Real projects I've built across AI, IoT, Web & Security
A community website for Sri Lankans in Wales, providing resources, event information, and cultural connections to help the diaspora stay connected.
An educational application designed to teach children programming basics through interactive games and exercises — the inspiration behind my tutoring for young learners.
A personalised digital gift built with Raspberry Pi, featuring custom media playback, interactive elements, and heartfelt messages — blending creativity with engineering.
A network security solution that monitors, detects, and responds to potential intrusions and security threats in real-time using ML-based detection techniques.
Honest, experience-based advice to help you find and grow your path in tech
AI, Cybersecurity, Web Dev, IoT — confused about where to start? I'll help you find the right direction based on your interests and strengths.
CV tips, portfolio advice, interview prep, and realistic expectations for breaking into the tech industry — especially in the UK.
Choosing a degree or postgrad course? I can share my experience navigating UK universities and selecting the right tech programme.
Already in tech and want to grow? I can help you figure out what certifications, projects or specialisations are worth your time.
Honest, constructive feedback on your CV and LinkedIn profile to help you stand out to recruiters and hiring managers in tech.
Navigating a tech career in a new country is tough. As a Sri Lankan professional in the UK, I understand your unique challenges.
"I've been where you are — uncertain, overwhelmed, unsure of the next step. I don't charge for career guidance because I believe everyone deserves access to honest mentorship, regardless of their background or budget. Just reach out."
Ready to start learning or need career advice? I'm just a message away.
I typically respond within 24 hours. Career guidance sessions are always free.