Empowering Digital Growth through Linguistics-Driven Localization, SEO, and UX Optimization

I help brands scale globally through linguistics-driven localization, SEO, and UX optimization—turning digital experiences into measurable growth.

By combining linguistic analysis with high-performance websites and data-driven marketing strategies, I ensure your digital presence is not only discoverable, but culturally accurate, context-aware, and conversion-focused across every user touchpoint.

Ready to scale your digital presence—globally and contextually?

Let's talk

Upwork

Service Marketplace

Slack

Communication Hub

Trello

Project Management

Crowdin

Localization Software

Hi, I’m Rangga Hafidin

I drive digital growth by merging technical web development with linguistic precision.

As a specialist in localization and UX optimization, I build high-performance digital products that are not only culturally resonant, but also engineered for maximum search visibility and SEO impact.

By combining data-informed strategies with seamless user experiences, I help brands communicate clearly and scale effectively across diverse markets.

Get in touch

What Services I Provide

I help brands build, localize, and scale their digital presence through data-driven strategies and linguistic precision.

High-Performance
Web Development

Building fast, secure, and scalable WordPress websites designed to anchor your digital growth. I focus on clean code and technical optimization to ensure your site delivers a seamless experience that ranks well and loads instantly on any device.

Localization & Cultural Adaptation

Going beyond literal translation to provide deep localization that resonates with the Indonesian market. I adapt your digital products to ensure linguistic precision and cultural relevance, removing friction and building trust with your local audience.

Growth Marketing
(Ads Management)

Accelerating your market reach through data-driven Google, Meta, and TikTok Ads. By focusing on conversion optimization, I manage targeted campaigns that turn search visibility into measurable revenue and sustainable business scaling.

Search & App Store Optimization (SEO/ASO)

Maximizing your organic visibility across Google and major App Stores. I implement rigorous technical SEO and ASO strategies to improve rankings, drive high-quality traffic, and ensure your brand stays ahead of the competition in search results.

Conversion-Focused Content Strategy

Crafting data-informed content plans that align with user intent and brand goals. This strategy bridges the gap between search visibility and meaningful action, ensuring every piece of content serves a purpose in your overall digital growth funnel.

UX Writing & Content Optimization

Refining microcopy and interface messaging to enhance UX optimization. I audit and polish every touchpoint—from buttons to user flows—to ensure clarity, improve engagement, and create a frictionless journey for your users.

Selected Work

Highlighted projects showcasing linguistic precision, SEO-driven content writing, and user-centered website and product localization.

Delivered by Rangga Hafidin, an experienced SEO content writer, Indonesian translator, and product localization specialist with expertise in multilingual content localization across digital products and platforms.

See full portfolio

Client Testimonials

Rangga’s work stands out for its linguistic precision and strategic SEO thinking. The content not only reads naturally but also performs well in search. Exactly what we needed for a multilingual product.
tushar chowdhury
Product Manager, SaaS Company
What we appreciated most was his attention to terminology, tone, and user experience. The localized UI feels native, consistent, and clear for our Indonesian users.
Courtney Cook
UX Lead, Digital Product Team
Rangga Hafidin doesn’t just write content—he understands intent, structure, and search behavior. His SEO-driven approach helped us improve both visibility and readability.
Andriyko Podilnyk
Head of Content, Tech Startup
The localization was accurate, culturally appropriate, and SEO-friendly. Communication was clear, revisions were thoughtful, and the final output exceeded our expectations.
Hian Oliveira
Marketing Manager, International Company
Working with someone who understands linguistics, UX, and SEO at the same time is rare. Rangga Hafidin helped us standardize terminology and improve content consistency across platforms.
Guilherme Stecanella
Content Strategist, Digital Agency

Frequently Asked Questions

What types of clients do you work with?

I work with digital-first clients—including SaaS companies, startups, and global organizations—looking to scale their presence. Whether you need High-Performance Web Development, data-driven Growth Marketing, or expert Localization, I provide integrated solutions designed to accelerate your Digital Growth and improve market-specific Visibility.

What makes your approach different from general freelancers?

My approach is holistic, merging technical expertise with linguistic precision. Unlike specialists who work in silos, I combine Web Development, UX Optimization, and Localization into a single strategy. This ensures your website, ads, and content work together seamlessly to drive performance and conversions.

Do you handle end-to-end Web Development and Ads Management?

Yes. I offer full-service WordPress development and Growth Marketing across Google, Meta, and TikTok. By managing both your technical foundation and paid traffic, I ensure every touchpoint is optimized for speed, user experience, and ROI.

Is your localization process SEO-friendly?

Absolutely. Every Localization project is engineered for Search Visibility. I don’t just translate; I analyze local search behavior and user intent to ensure your product is linguistically precise and technically optimized to rank and convert in the target market.

Do you provide both content strategy and technical audits?

Yes. I offer comprehensive SEO and UX audits along with data-informed content strategies. This ensures that every decision—from your website’s architecture to your messaging—is scalable and aligned with your business goals.

How do you ensure consistency across different platforms and languages?

Through UX Writing and meticulous terminology management. I maintain clarity and brand voice across your website, apps, and marketing channels, ensuring a consistent user journey regardless of the platform or language.

Can you collaborate with our existing product or marketing teams?

Certainly. I collaborate asynchronously with internal teams through clear documentation and structured workflows. My goal is to integrate into your process smoothly, providing the specialized expertise needed to enhance your Digital Growth without friction.

Is your service suitable for long-term collaboration?

Yes. Many clients partner with me for ongoing Optimization, including regular SEO/ASO updates, ads management, and continuous Localization as their products and markets evolve.

How can I get started or request a project?

You can reach out through the contact form with a brief overview of your goals. Whether you need a full-stack digital engine—combining Web Dev, Ads, and Localization—or a specialized audit, I will follow up with a tailored proposal to help you scale.

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