AI product builder

AI Product Builder for messy real-world workflows.

I turn awkward research, operational, and personal workflows into practical systems people can actually use.

The point is not to put an LLM everywhere. It is to find the friction, build the smallest useful workflow, measure it, and simplify when the system no longer needs AI in the loop.

Build

User-facing RAG products

Automate

Agent workflows and tools

Evaluate

What actually works

OscarProfilePicture

APPLIED AI PORTFOLIO

Featured Proof

Three anchors for the positioning: a Google AI compliance pilot, a Flixmedia platform re-architecture, and Tenant's Voice, my user-facing RAG product for housing guidance.

Beyond client work, I build small AI tools around my own workflows. They sharpen my judgement on where agents help, where retrieval matters, and where a simpler script is the better product.

Explore more of my work

AI Research

Can AI Build a Game?

An independent benchmark of frontier AI coding ability: 580 builds, 9 models, 10 retro games, scored by three independent judges. Eight lessons on what AI actually does well, what it doesn't, and why your spec might be making things worse.

View case study

580 builds. 9 models. Zero intervention.

How today's frontier AI actually codes when nobody's helping it.

580

Builds

9

Models

10

Games

3

Judges

Read the case study

Personal Workflow Lab

Small systems that remove recurring friction.

These are practical workflows I built for my own life and work. Some use LLMs heavily; some started with AI and then became simpler scripts once the workflow was understood.

View the lab
Learning triage

Skip the 30-minute video gamble

Send a YouTube link from my phone and get back a readable PDF brief: what matters, what is weak, what to apply, and whether the full video is worth watching.

Input
Video URL in Telegram
Output
Phone-readable learning brief filed back into the vault
Proof
27 video digests delivered
Research memory

Make research compound

Obsidian, an LLM-maintained wiki, Graphify, topic hubs, and scheduled digests turn scattered reading into reusable project context.

Input
Articles, transcripts, clips, and repo notes
Output
Linked source notes, topic hubs, synthesis, and teaching digests
Proof
89 sources ingested and reusable across projects
Session memory

Close the loop after each build session

/close turns a Codex session into durable memory, project log updates, open tasks, and a clean handoff for the next run.

Input
A messy session with decisions, tasks, and context
Output
Memory updates, project log entry, and next-step state
Why it matters
Good work stops disappearing between sessions
Simplification

Stop refreshing padel slots

The first version used an LLM to drive a browser and send custom messages. Once the workflow was understood, it became a small API polling script with Telegram alerts.

Before
LLM browser actions, token-heavy and fragile
After
Direct Playtomic API polling, cheaper and more reliable
Lesson
AI helped discover the workflow; the final product did not need AI in the loop

HOW I BUILD

Workflow Discovery

Start with the repeated friction, not the model. Map the real steps before deciding what should be automated.

Tenant conversations and housing guidance journeys
Research capture and learning triage
Booking, sourcing, and operational monitoring workflows

Retrieval & Context

Design RAG and knowledge systems around accuracy, latency, source quality, and what the user actually needs next.

Production RAG for Tenant's Voice
Obsidian wiki, topic hubs, and Graphify
24x faster vector search from tuning and pre-filtering

Agents & Automation

Use agents when judgement is needed, scripts when the workflow is known, and human review where mistakes are expensive.

/video-teach and /teach delivery pipelines
/close session memory workflow
Padel tracker simplified from LLM browser use to API polling

Evaluation & Simplification

Measure whether the system is useful, then remove complexity that does not improve the outcome.

580-build AI game benchmark
90% latency reduction in Tenant's Voice
Google AI compliance pilot with human-in-the-loop checks

What Colleagues Say

"Oscar is a fantastic product professional. Highly strategic and clear in his communication, he brought structure, clarity, and confidence to even the most complex initiatives. With sharp product instinct and a natural ability to navigate ambiguity, he consistently found a clear path forward, expertly managing expectations and aligning teams around shared priorities.

I had the pleasure of seeing Oscar lead through some of our most challenging and high-impact initiatives. His ability to balance stakeholder needs, respond to shifting priorities, and keep the product vision on track was incredible. Oscar is a great asset in any organisation he works for."

Judith Shaw

Operations Director at Flixmedia

"Oscar has consistently delivered a combination of technical expertise and strategic insight and has meant he's always clearly articulating customer challenges and needs - which has been especially helpful throughout the scoping and troubleshooting of some of our most complex custom solutions and implementations. He will be a fantastic contributor and asset to any team."

Mica Pizzo

Engagement Manager at Google

"I highly recommend Oscar. He is exceptionally knowledgeable on Google Shopping Ads and was proactive in every aspect of his role. He took the initiative to train senior SAs, created a successful co-learning environment, and was consistently available. His focus on professional workflow (thorough handover, organized internal syncs) allowed us to efficiently manage our client pipeline."

Danny Kim

GA360 specialist at Google

" An indispensable resource for the UK. His contributions evolved from execution to product innovation when he developed a novel solution concept for a strategic customer six months in. This combination of technical knowledge and solutions thinking directly led to him delivering significant client impact."

Ed Sala Xifro

Product Manager at Google

"I can't recommend Oscar highly enough. He’s one of those rare colleagues who combines a deep sense of empathy with a truly innovative spirit, consistently going above and beyond for his team and clients. He's a fast learner who not only quickly grasps new concepts but also dives into the heavy details to build a complete understanding. He then uses this deep knowledge to pioneer brand new approaches to old problems. His pragmatic, hands-on style and unique ability to advocate for his ideas make him a natural leader. Oscar embodies what it means to be 'Googley,' and any team would be grateful for his passion, ingenuity, and spirit."

André Lourenço

Solutions Architect at Google

"What truly sets him apart is his dedication to driving scalable growth through technology for major retailers and marketplaces. He consistently helps customers maximize their marketing strategies by implementing the latest AI improvements and available solutions, which consistently results in tangible revenue improvement for both the client and Google.

His diligence, devotion, and strategic engagement make him an invaluable asset. Beyond his technical brilliance, Oscar is a genuine, nice, and very helpful colleague, and it is always a great pleasure to work with him."

Remigiusz Jakacki

Sales Online Account Manager at Google

"He goes above and beyond in his role, demonstrating on a daily basis what it is to be "Googley". Oscar has relentless drive, and an incredible passion for doing what's right by the customer. Putting customers first, driving incremental revenue across a multi-billion dollar product area and managing high priority workflows to deliver real impact to businesses across EMEA.

Oscar has demonstrated an innovative mind that seeks efficiency and product excellence, driving new solutions and being the forerunner of new innovation with clients. It's an absolute pleasure working with Oscar and he is an incredibly valued member of this team, and Google."

Hatim Klaifia

Advertising Solutions Architect at Google

"I will miss working with Oscar. Oscar is the kind of person you go to when you have a complex problem you cannot solve, and he will analyse it from A to Z and will have multiple solutions ready... He is the most technical PM I've had the pleasure of working with. He will be a great asset to any company."

Jane Kuznecova

Project and Product Manager at Flixmedia

"An incredibly reliable and collaborative team member, and someone who can be counted on to get stuff done. He rapidly grew to become our team's go-to expert and trainer on all complex shopping solutions.

What truly sets Oscar apart is his deep commitment to the customer. He is a tireless advocate who engages in genuine, deep-level consultancy to understand client challenges, goals, and pain points. Above all, he is kind, patient, and hardworking, always going above and beyond to put others first and be the first to sing their praises. Oscar would be a massive asset to any team, and I can't recommend him highly enough.."

Philip vom Orde

Solutions Architect at Google

Companies I've Built For

Companies I've built for including Costco, Google, Samsung, P&G, Sage, Amazon, Currys, Sainsbury's, Dentsu, Lego, Mercado Libre, Argos, Media Markt, and Darty