๐ฆ๐ฐ๐ฎ๐น๐ฒ | ๐ ๐ถ๐ด๐ฟ๐ฎ๐๐ฒ | ๐๐ฒ๐ฝ๐น๐ผ๐
You have a visionary SaaS or AI product idea. You don't want to manage a scattered team of backend developers, DevOps engineers, and ML specialists, and you definitely don't want to micromanage tasks.
You need a single, accountable technical partner to architect the system, solve the hard problems, and turn your idea into a scalable reality.
Iโm a Computer Science grad (first-class), but I don't just live in the theory. I combine a heavy academic background in math, stats, and ML with fast, practical execution. I don't just write code. I take ownership of the whole project: the design, the architecture, and the infrastructure.
๐ง ๐๐ผ๐ ๐ ๐๐ฝ๐ฝ๐ฟ๐ผ๐ฎ๐ฐ๐ต ๐ฌ๐ผ๐๐ฟ ๐ฆ๐๐๐๐ฒ๐บ:
When you hand me a prototype, an MVP, or even just a wireframe, my first step is mapping the architecture. I am a natural problem solver, so I look at the big picture first. I treat your product like a business asset and focus on the hard realities:
๐น Can we launch the MVP faster to validate the market?
๐น Does it do exactly what your users need?
๐น Is the AWS bill optimized, or are we burning money?
๐น Will it crash if traffic spikes tomorrow?
๐น Is your proprietary data actually secure?
๐น If a server dies, is the database instantly recoverable?
๐ ๐ฅ๐ฒ๐ฐ๐ฒ๐ป๐ ๐ช๐ถ๐ป๐ & ๐ช๐ต๐ฎ๐ ๐ ๐๐ฒ๐น๐ถ๐๐ฒ๐ฟ:
๐น ๐๐ป๐ณ๐ฟ๐ฎ๐๐๐ฟ๐๐ฐ๐๐๐ฟ๐ฒ ๐ฆ๐ฐ๐ฎ๐น๐ถ๐ป๐ด & ๐๐ผ๐๐ ๐ข๐ฝ๐๐ถ๐บ๐ถ๐๐ฎ๐๐ถ๐ผ๐ป: Recently, completely re-architected a system to handle ๐ฐ๐ฌ๐ ๐ฐ๐ผ๐ป๐ฐ๐๐ฟ๐ฟ๐ฒ๐ป๐ ๐ฝ๐ฟ๐ผ๐ฐ๐ฒ๐๐๐ถ๐ป๐ด while achieving a ๐ณ๐ฌ% ๐ฐ๐ผ๐๐ ๐ผ๐ฝ๐๐ถ๐บ๐ถ๐๐ฎ๐๐ถ๐ผ๐ป on cloud spending.
๐น ๐๐-๐ก๐ฎ๐๐ถ๐๐ฒ ๐ฆ๐ฎ๐ฎ๐ฆ ๐๐ฟ๐ฐ๐ต๐ถ๐๐ฒ๐ฐ๐๐๐ฟ๐ฒ: I use my deep learning research experience to build secure, private LLM and RAG pipelines tailored to your business data.
๐น ๐๐๐๐ผ๐บ๐ฎ๐๐ฒ๐ฑ ๐๐น๐ผ๐๐ฑ ๐๐ป๐ณ๐ฟ๐ฎ๐๐๐ฟ๐๐ฐ๐๐๐ฟ๐ฒ (๐๐ฒ๐๐ข๐ฝ๐): I architect zero-downtime CI/CD pipelines and configure AWS/GCP environments so you can ship features fast.
๐น ๐๐๐น๐น๐ฒ๐๐ฝ๐ฟ๐ผ๐ผ๐ณ ๐๐ฎ๐ฐ๐ธ๐ฒ๐ป๐ฑ ๐ฆ๐๐๐๐ฒ๐บ๐: I engineer high-performance backends (Django, Node) that won't crash when your user base scales.
๐ค๐ ๐ ๐ช๐ผ๐ฟ๐ธ๐ถ๐ป๐ด ๐ฆ๐๐๐น๐ฒ:
I work best with founders and small teams who need a leader. You bring the business problem and the priorities โ what matters next and why. I own the rest: the architecture, how the work gets broken down, and the delivery. I run it in focused sprints against agreed goals, with async updates and a call when a real decision needs one โ so you get momentum without daily standups eating your week.
When you hire me, you are not buying hours of typing, or a developer to assign tickets to. You are buying the judgment, speed, and technical leadership required to win โ and a clean, production-ready product handed back to you.
Let's look at your system and get it running right.
Artificial Intelligence
Python
Node.js
Django
React
FastAPI
Amazon Web Services
Docker
REST API
SaaS Development
API Development
PostgreSQL
AI App Development
Software Architecture & Design
LangChain
Kasunika K.
Kandy, Sri Lanka
$15/hr
5.0
1 jobs
I specialize in developing innovative solutions at the intersection of computer engineering and artificial intelligence. Currently, I am focused on research in Explainable AI for cardiac health simulation, utilizing cutting-edge Generative Diffusion Models to enhance clinical interpretability. With expertise in building scalable IoT architectures and deep learning applications using technologies like PyTorch, TensorFlow, and AWS, I am equipped to tackle real-world industry challenges. My recent contributions to the EU-funded SEARCH initiative demonstrate my ability to design complex pipelines for precise data analysis and feature extraction. I thrive in collaborative settings and am an adaptable problem-solver who delivers impactful results. If you are seeking a skilled professional to elevate your project with advanced machine learning and cloud engineering capabilities, I am ready to help you transform your ideas into reality.
Artificial Intelligence
Web Application
Machine Learning
Data Analysis
AWS Development
Docker
Flask
API Development
Python
Node.js
SQL
NoSQL Database
Lahiru W.
Colombo, Sri Lanka
$38/hr
5.0
38 jobs
I help founders and businesses turn ideas into production-ready software from product planning and architecture to full-stack development, AI engineering, integrations, deployment, and launch.
With 8+ years of software engineering experience, I bring a practical mix of product thinking, AI expertise, and strong technical execution.
What I can help with:
โข AI applications, AI agents, and LLM-powered products
โข RAG chatbots and knowledge-base assistants
โข AI automation for business workflows
โข SaaS platforms and startup MVPs
โข Full-stack web and mobile applications
โข Dashboards, internal tools, and admin panels
โข API integrations and backend systems
โข Converting product ideas into launch-ready applications
My Approach:
Understand the idea โ define workflows โ simplify the user experience โ plan the architecture โ build the componentsโ integrate AI, APIs, and automation โ test โ refine โ launch.
I also bring a strong engineering background from game development, including Unreal Engine 4/5, C++, Blueprint, multiplayer systems, gameplay AI, UI systems, and simulation work. This is useful for clients who need AI tools, game AI, simulations, interactive experiences, or technical systems that require performance and reliability.
โ Why clients work with me:
๐ก Practical AI engineering, not hype-based prototypes
๐ Strong API integration and workflow automation experience
๐ RAG systems with citations and hallucination control
๐งฐ Full-stack implementation from idea to deployed product
๐งช Clean architecture, testing mindset, and maintainable code
๐ฎ Bonus Unreal Engine/gameplay engineering background when needed
Tech Stack:
โข AI: OpenAI, Claude code, Gemini, LLMs, AI Agents, RAG, Vector Databases, LangChain, LlamaIndex, Pinecone, Weaviate, AI Workflow Automation
โข Full Stack: Next.js, React, Node.js, FastAPI, React Native, TypeScript, Python, Supabase, PostgreSQL, MongoDB, Redis, REST APIs, GraphQL
โข Deployment: AWS, GCP, Vercel, Docker, CI/CD
โข Game Dev: Unreal Engine 5, C++, Blueprints, Online Multiplayer, Gameplay Ability System(GAS), State Tree, UMG
If your project involves AI agents, RAG, AI automation, internal tools, workflow automation, API integrations, document intelligence, reporting dashboards, or full-stack AI applications, I can help you design it properly and build it into a working product.
Artificial Intelligence
AI Agent Development
AI Implementation
Web Application Development
Full-Stack Development
AI Model Integration
OpenAI API
Claude
ChatGPT
SaaS Development
Python
Generative AI
LangChain
LLM Prompt Engineering
AI Chatbot
Node.js
React
Unreal Engine
Game Development
Online Multiplayer
Vidura W.
Kandy, Sri Lanka
$25/hr
5.0
1 jobs
Enterprise AI teams hire me to build language models that stay reliable at scale. I design production LLM systems: fine-tuning pipelines (Qwen, GPT-4o Mini, DistilBERT with PEFT/LoRA), multi-agent orchestration (CrewAI, LangChain, DSPy), and retrieval-augmented generation that minimizes hallucination through grounded retrieval and semantic consistency testing. I've shipped 52+ AI projects across healthcare, renewable energy, and enterprise infrastructure and currently lead AI/ML T4 enigneer batches at Virtusa focused on healthcare AI automation.
With 7+ years delivering AI systems for energy, finance, and SaaS clients, I've shipped solutions ranging from EU AI Act compliance frameworks to smart grid optimization models using PyPSA. I co-founded the Omdena Sri Lanka Chapter (40+ engineers) and have presented technical findings at 60+ global conferences including the Professional Fellow Conference, Washington DC, AIMDA Conference(Artificial Intelligence Multi Disciplinary Applications) so I communicate clearly to both engineers and executives with over mentoring 500 beginners to professionals across 30+ countries.
Where I add the most value:
โ Fine-tuning open-source LLMs for domain-specific accuracy
โ Agentic and multi-agent systems (.NET, Python, Angular)
โ AI safety audits and governance frameworks aligned to EU AI Act
โ RAG pipelines with measurable reliability improvements
If your AI build is stalled, underperforming, or needs to pass a compliance review, message me with your challenge and I'll respond within 24 hours.
AI Policy
AI Governance
AI Consulting
MLOps
Artificial Intelligence Ethics
Deep Learning
Generative AI
Natural Language Processing
Large Language Model
Multimodal Large Language Model
Computer Vision
AIOps
AI Development
AI Compliance
AI Model Development
AI Regulation
Lab Report
Essay Writing
Summary Report
Creative Writing
Nadheera S.
Ganemulla, Sri Lanka
$25/hr
5.0
23 jobs
Hello! Iโm Nadheera Senasinghe, a cybersecurity professional and AI security specialist with a proven record of protecting enterprise infrastructures, securing AI-powered applications, and leading digital transformation initiatives globally. As the Chief Project Manager and Co-founder of Red Threat Cyber Security (RTCS), I lead a team of expert ethical hackers, AI engineers, and compliance auditors delivering tailored cybersecurity and AI solutions for startups, healthcare providers, fintech platforms, SaaS companies, and regulated enterprises.
๐ Cybersecurity Services Offered:
โข Penetration Testing & Ethical Hacking
โ Web, Mobile, API, IoT, and Network Pentesting
โ OWASP Top 10, SQLi, XSS, CSRF, RCE, RFI, and Serialization Attacks
โ Red Teaming, Adversary Emulation, and Purple Teaming
โ Pentesting for LLM/GPT apps (prompt injection, model exploitation)
โข Managed Security Services (MSSP)
โ SIEM (Splunk, Azure Sentinel, QRadar) & SOAR
โ 24/7 Threat Monitoring, EDR/XDR Deployment
โ SOC/NOC Architecture & Incident Response Playbooks
โข Cloud Security & DevSecOps
โ Cloud Audits (AWS, Azure, GCP), Zero Trust Design
โ Kubernetes & Docker Security, CI/CD Hardening
โ Infrastructure as Code (IaC) Reviews
โข Governance, Risk & Compliance
โ HIPAA, GDPR, ISO 27001, NIST CSF, SOC 2, PCI-DSS
โ Risk Assessments, DPIAs, Gap Analysis & Internal Audits
โข Threat Intelligence & OSINT
โ Corporate Recon, Espionage Risk Identification
โ Executive Profiling, Dark Web Monitoring
โข CISO-as-a-Service & Awareness Training
โ Virtual CISO Engagements
โ Custom Security Awareness Workshops
๐ค AI & GPT Integration Services:
โข LLM & GPT Security
โ Prompt Injection Prevention
โ Jailbreak Testing, Output Control
โ Secure API Wrapping & Audit Logging
โข Custom GPT Application Development
โ SEO GPT (w/ Moz API), Compliance GPT, Pentest GPT
โ Retrieval-Augmented Generation (RAG) Systems
โ Red Mallory: A proof-of-concept GPT demonstrating AI vulnerabilities (for research/awareness)
โข Secure AI Deployments
โ LLM System Design with Role-Based Access & Token Control
โ Data Leakage Protection for AI Systems
โ AI-driven Compliance Automation Tools
๐ Certifications & Tools:
โข ISCยฒ Systems Security Certified Practitioner (SSCP)
โข NIST CSF Practitioner | Google Project Management Certified
โข Tools: Burp Suite, Metasploit, Nessus, Nmap, Splunk, Nikto, IriusRisk, Wireshark, Threat Modeler, Microsoft TMT, DirBuster, OpenVAS
๐ Client Locations & Industries Served:
Weโve delivered successful projects in the USA, UK, UAE, Canada, Mexico, Belgium, Ghana, Hungary, and Latvia, serving sectors like:
โข Healthcare & HIPAA Platforms
โข Fintech & Payment Systems
โข SaaS & LLM-Based Startups
โข E-Commerce, Oil & Gas, Real Estate, and Public Sector
Projects include HIPAA audits, fintech pentesting, red teaming for remote-first organizations, cloud security assessments, GPT app development, and cyber defense automation.
๐ซ Please Note: I do NOT offer personal hacking, scam recovery, crypto wallet recovery, or any illegal services.
๐ฉ Letโs Work Together!
Whether you're building secure AI applications, improving your cyber defense posture, or seeking compliance-ready solutionsโI bring hands-on leadership, global delivery experience, and technical excellence to every engagement. Letโs secure your digital future together.
Python
Project Management
Cybersecurity Tool
Cybersecurity Management
Ethical Hacking
Agent GPT
Prompt Engineering
Generative AI Software
Retrieval Augmented Generation
NIST Cybersecurity Framework
Certified Information Systems Security Professional
Penetration Testing
Managed Services
AI Security
Cloud Security
Dilanka H.
Colombo, Sri Lanka
$10/hr
5.0
2 jobs
Iโm an AI & ML Engineer specializing in Autonomous Agents and Big Data Analytics. I bridge the gap between complex research and practical application. If you need to build intelligent software that predicts, learns, and adapts, I am your go-to developer.
โข Build complete Web and Mobile applications that are powered by custom Machine Learning models, Generative AI, and intelligent chatbot integrations.
โข Utilizing cutting-edge Generative AI and Agentic technologies, alongside traditional data mining and analysis
โข Reliable Delivery: Dedicated to strict coding standards and timely project management.
โข Clear Communication: I focus on understanding your business goals to deliver smart, scalable solutions.
Artificial Intelligence
Computer Science
Generative AI
Machine Learning
Machine Learning Model
Data Analysis
Data Mining
Chatbot Development
Chatbot Integration
Agent GPT
AI Model Development
Web Application Development
Mobile App Development
DevOps
NLP Tokenization
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