Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Full-Stack Developer with hands-on experience building scalable, data-driven web applications (Next.js, TypeScript, Java Spring Boot) and shipping SaaS products from the ground up as a founding engineer. I focus on performant architectures, AI integration, and responsive design, comfortable working in Agile and cross-functional environments. I also have strong AI engineering experience using Spring AI, building retrieval pipelines, and integrating LLM tooling with semantic search and automation (email/NLP + Gmail/Microsoft/Azure). I take ownership of end-to-end delivery: CI/CD, deployment, analytics, and production-grade REST APIs.…Full-Stack Developer with hands-on experience building scalable, data-driven web applications (Next.js, TypeScript, Java Spring Boot) and shipping SaaS products from the ground up as a founding engineer. I focus on performant architectures, AI integration, and responsive design, comfortable working in Agile and cross-functional environments. I also have strong AI engineering experience using Spring AI, building retrieval pipelines, and integrating LLM tooling with semantic search and automation (email/NLP + Gmail/Microsoft/Azure). I take ownership of end-to-end delivery: CI/CD, deployment, analytics, and production-grade REST APIs.

Luis Cerin Ogbeiwi

Full Stack Developer, Web Developer, Software Engineer, +2





Full-Stack Developer with hands-on experience building scalable, data-driven web applications (Next.js, TypeScript, Java Spring Boot) and shipping SaaS products from the ground up as a founding engineer. I focus on performant architectures, AI integration, and responsive design, comfortable working in Agile and cross-functional environments. I also have strong AI engineering experience using Spring AI, building retrieval pipelines, and integrating LLM tooling with semantic search and automation (email/NLP + Gmail/Microsoft/Azure). I take ownership of end-to-end delivery: CI/CD, deployment, analytics, and production-grade REST APIs.…Full-Stack Developer with hands-on experience building scalable, data-driven web applications (Next.js, TypeScript, Java Spring Boot) and shipping SaaS products from the ground up as a founding engineer. I focus on performant architectures, AI integration, and responsive design, comfortable working in Agile and cross-functional environments. I also have strong AI engineering experience using Spring AI, building retrieval pipelines, and integrating LLM tooling with semantic search and automation (email/NLP + Gmail/Microsoft/Azure). I take ownership of end-to-end delivery: CI/CD, deployment, analytics, and production-grade REST APIs.

Available to hire

Full-Stack Developer with hands-on experience building scalable, data-driven web applications (Next.js, TypeScript, Java Spring Boot) and shipping SaaS products from the ground up as a founding engineer. I focus on performant architectures, AI integration, and responsive design, comfortable working in Agile and cross-functional environments.

I also have strong AI engineering experience using Spring AI, building retrieval pipelines, and integrating LLM tooling with semantic search and automation (email/NLP + Gmail/Microsoft/Azure). I take ownership of end-to-end delivery: CI/CD, deployment, analytics, and production-grade REST APIs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Beginner

Work Experience

Front-End Developer at Contactlab (Team System Group)

March 1, 2026 - Present

Built the front-end of a Customer Data Platform (CDP) using React and TypeScript with functional programming patterns (fp-ts). Developed complex UI components with Ant Design and worked in an Agile enterprise codebase focused on code quality and reusable patterns.

Freelance Full Stack Developer at Sacthis.r.l.

February 1, 2025 - Present

Managed the full development lifecycle independently, maintaining direct client communication to gather requirements and iterating UX feedback in bi-weekly sprints. Implemented SEO best practices and integrated GA4, GTM, and Search Console, improving organic traffic by 35%. Built an internal PHP + SQL dashboard for autonomous product management.

Founding Engineer at Macro bite

January 1, 2025 - Present

Joined from day one as Founding Engineer contributing to product definition and web app development. Macro bite (MVP) enables users to order food and have it delivered to refrigerated lockers installed in gyms, with access via PIN or QR code generated automatically at checkout. Evaluated multiple hardware/access solutions and implemented access logic using Supabase Edge Functions and a React front-end.

Junior Developer at HRM Group

November 1, 2024 - March 1, 2026

Built and maintained the front-end architecture of the main product from scratch, translating Figma designs into fully responsive, 100% mobile-friendly interfaces. Integrated back-end features using Java Spring Boot, improved data flows and system reliability, and contributed to multiple Agile projects by building reusable components and optimizing data-layer caching. Mentored a junior intern by creating documentation and onboarding materials that reduced ramp-up time by 40%.

Side Project: AI Travel Planning Platform at Atla(s)

January 1, 2024 - December 31, 2024

Built a full-stack AI-powered travel planning app with itinerary generation via Groq/OpenAI and real-time flight data via Amadeus API. Implemented JWT + Google OAuth authentication. Optimized AI performance by migrating from Python + Ollama + Mistral to Groq + OpenAI, reducing response times from over 5 minutes to a few seconds.

Founding Engineer at Newmann AI

January 1, 2024 - Present

Joined at inception as Founding Engineer and Tech Lead. Focused on AI engineering with Spring AI: wrote prompts from scratch and designed a retrieval pipeline using Pinecone for semantic search. In the MVP, automated email management via label/rule automation using NLP with Gmail and Microsoft/Azure integrations. Designed the full stack architecture including REST API design with Java Spring Boot and front-end with Next.js/React + fp-ts, with Supabase PostgreSQL using RLS and multilingual support. Set up and managed infrastructure: GitHub Actions CI/CD, deployment on Vercel and Render, PostHog analytics, and transactional email via Resend.