From 064c9e96d970dbce37d0234a7430bc8e2a5f5efa Mon Sep 17 00:00:00 2001 From: Ruben Beltran del Rio Date: Thu, 11 Dec 2025 12:23:43 +0100 Subject: Update site content. --- content/_index.md | 111 ++++++++++++++++++++++++++++-------------------------- 1 file changed, 58 insertions(+), 53 deletions(-) (limited to 'content') diff --git a/content/_index.md b/content/_index.md index b0dbc3b..85c9ad2 100644 --- a/content/_index.md +++ b/content/_index.md @@ -5,62 +5,67 @@ description = "Freelance Software Engineer | iOS, macOS, Web & Backend Developme
{% window(title="Welcome.") %} A pixel-art portrait of Rubén doing a peace sign and sticking his tongue out -

Howdy! I'm Rubén Beltrán del Río, a freelance software engineer based in Berlin. I build iOS and macOS apps, web applications, backend services, and help teams with technical leadership. Looking for some help with your project? I might be able to help!

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+ Howdy! I'm Rubén, a freelance software engineer and technical leader + based in Berlin. I love building software and helping teams figure out + how to build: how systems of people and technology, processes, + and culture can make the difference between chaos and meaningful work. +

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I can help you build.

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  • Fast, accessible websites with SEO optimization and cutting edge web development best practices.
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  • Native iOS, iPadOS, and macOS apps using Swift, Catalyst, SwiftUI, or UIKit.
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  • Scalable backend services with great observability, clear documentation, and cloude-native infrastructure.
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  • End-to-end data pipelines from tracking planning, to ELT/ETL workflows that deliver accurate and actionable analytics insights.
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  • Infrastructure as code that can orchestrate and manage all your services on AWS, Scaleway, Azure or any cloud provider.
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Optimize and improve.

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  • Supply chain analysis to reduce risk from dependencies across different languages and packaging ecosystems.
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  • CI & CD automation to improve code quality, testing, and deployment.
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  • Cloud cost optimization through right-sizing, architecture improvements, and spending analysis for AWS, GCP, Azure and other cloud providers.
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  • LLM integration & optimization using custom tooling, prompt engineering, and Model Context Protocol (MCP) servers.
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Or help your team go fast.

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  • AI transformation. Teach your organization how to work with AI, and build the right tools to support it.
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  • Upskill your team, and bring them up to speed with new technologies, architecture patterns or processes.
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  • Build a product engineering mindset and ehelp your product and engineering teams speak the same language, and work closer together.
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  • Experimentation mindset to enable your team to design, execute, and interpret A/B tests and multivariate experiments.
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  • Systems analysis to streamline your operations by understanding how your team, resources and processes come together, finding chokepoints, and reducing waste.
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I've spent over 20 years helping teams — whether it's startups + just shipping their first product, to scale-ups experiencing growing + pains. As a tech lead, I've seen this familiar picture: legacy systems + that hinder more than they help, unpredictable release cycles that + add more bugs than value, and teams good at moving code but not + moving the needle.

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I work holistically because problems rarely have + their root in just one place. A slow release pipeline that looks like + a technical issue, reveals itself to be a trust problem when you look + under the surface. A product launch failing to achieve its goals seems + like a clear case of poor planning, but instead reveals how different + parts of the organization have a different language and view of reality. + I help teams understand the big picture, and find solutions that can + address their problems at every level.

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+ Book a call. +
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Ain't that right!

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With over 25 years of experience, I've worked with big and small teams, ad-supported and sales-driven products, bootstrapped startups looking to launch, and established companies looking to scale up. I've worked with all sorts of stacks:

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  • Languages: JavaScript, Rust, Ruby, Python, PHP, Swift, Objective-C.
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  • Cloud Providers: AWS, Scaleway, Cloudflare, Google Cloud, Azure.
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  • CI Systems: GitHub, Gitlab, CircleCI, TravisCI, Jenkins, Bitrise.
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  • Database Systems: PostgreSQL, MySQL/Aurora, Redis, MongoDB, Apache Cassandra, Snowflake.
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  • Analytics Software: Google Analytics, Amplitude, PostHog, Indicative.
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You can book a call to tell me about your project face to face. Or you if you prefer text, you can send me an e-mail!

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But don't take my word for it.

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Here's what some lovely people have to say about me.

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How I Can Help.

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Sometimes you need someone to roll up their sleeves and build: Plan a system, put your product in your customers' hands, and have an infrastructure you can trust not to wake you up at night.

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Sometimes you need help seeing the problem clearly: A second pair of eyes on a difficult problem, a diagnosis of why things seem harder and slower than they should, or a training that can change the way your team works.

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I can do both.

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What Does That Look Like?.

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One team's releases took months and shipped broken. I helped them + move to predictable weekly releases that consistently shipped with zero + major bugs.

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Another team's website took over 2 seconds to load. We got it under + 100ms at the 95th percentile, which helped SEO rankings climb steadily + afterwards.

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And one of the most common problems I encounter: several teams were + fighting a legacy system and spending their days fighting fires. We deleted + hundreds of thousands of lines of code, and started with a simple system + that led the team to finally work on new features and improvements.

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+ + ## Let's talk! + You can book a call or send me an e-mail to tell me about your project or problem, I might be able to help! + + Book a call. + +
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