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Application Redesign & Optimisation

Application Redesign & Optimisation

Audit Code | Performance | Migration Tech
Auditing, correcting, improving performance and adding functionality to your existing web or mobile applications.
Free & No Obligation
Lausanne | Geneva | Fribourg | Neuchâtel | Valais | Jura
4.9/5
300+ satisfied customers in Switzerland
Lausanne📍Vaud | Geneva | Fribourg | Neuchâtel

Our expertise

Give a second life or significantly improve your existing web or mobile applications, even if we didn't develop them initially.

We start with a in-depth audit of the source code and architecture to assess the situation. Then, depending on your objectives, we can : correct bugs persistent, drastically optimise performance (response times, BDD requests), refactor the code to make it more maintainable, add new functions, migrate to more modern technologies or improve the user interface (UI/UX).

Professional User Interface (UI) Redesign for web/mobile applications (Figma design, responsive) for modernization and better ergonomics.

Optimizing the mobile user experience (responsive design, performance, ergonomics) for applications on smartphones and tablets.

Applying security patches for web/mobile applications (frameworks, libraries) against vulnerabilities and threats.

Management of the application migration (web/mobile) for modernization, optimization to a new technology, cloud infrastructure or new server.

Fast and efficient bug diagnosis and correction and malfunctions of your web or mobile applications (PHP, JS, Java, Swift, Flutter).

Complete application audit (code, architecture, database). In-depth technical diagnosis to assess performance, security and scalability.

Achievements

More than 300 customers accompanied in Switzerland
Completed projects
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Years of growth
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Geeks listening
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CHF millions generated
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Trade, Health, Technology
360° Marketing Solutions: Webflow Redesign, WooCommerce E-Commerce and Stripe Payment Centralization
  • Audit & Digital Strategy
  • Digital marketing (SEO/SEA/Social Ads)
  • Website Creation & E-commerce
Finance, Real estate
360° support: calls for tender, GDPR/LPD compliance and digital performance of Gerofinance
  • Audit & Digital Strategy
  • Digital marketing (SEO/SEA/Social Ads)
Trade, Design & Art
Mix-Image reinvented: XXL e-commerce under WordPress & WooCommerce in record time
  • Audit & Digital Strategy
  • Digital marketing (SEO/SEA/Social Ads)
  • Website Creation & E-commerce
Trade, Design & Art
E-commerce for luxury jewelry: brand storytelling, online sales & in-store appointment booking
  • Audit & Digital Strategy
  • Digital marketing (SEO/SEA/Social Ads)
  • Website Creation & E-commerce
Legal
Redesign of a WordPress website for a law firm: professional image, optimised UX and client autonomy via training.
  • Digital marketing (SEO/SEA/Social Ads)
  • Website Creation & E-commerce
  • Audit & Digital Strategy
Well-being, Training, Sport
WordPress website with Elementor for golf coach. SEO, performance and customer autonomy via tailor-made video training.
  • Audit & Digital Strategy
  • Digital marketing (SEO/SEA/Social Ads)
  • Website Creation & E-commerce
Trade, Design & Art
Trilingual luxury e-commerce: successful launch for a Swiss lingerie brand, custom design
  • Digital marketing (SEO/SEA/Social Ads)
  • Website Creation & E-commerce
WordPress redesign: Figma design, custom 100% copywriting and SEO optimisation.
  • Audit & Digital Strategy
  • Digital marketing (SEO/SEA/Social Ads)
  • Website Creation & E-commerce

Customer satisfaction ⇄

= Responsiveness + Quality + Quality Prices
Chiara Cuffaro
chiaracuffarokinesiologie.ch
A huge thank you to Geekworkers for their excellent work on my website. Their responsiveness, professionalism and creativity made all the difference. A smooth collaboration and results beyond my expectations. I highly recommend!
Senghane Lmighty
whodaboss.app
Thank you to Geekworkers for their exceptional work! They understood my vision perfectly and created a landing page exactly as I wanted it. They were professional, creative and responsive throughout the project. I'm delighted with the result, which perfectly reflects the image of my application. I'd highly recommend their services to anyone looking for a quality digital agency!"
Michel Rey
zenityacademy.ch
A big thank you to Geekworkers for creating my website. Their professionalism, attentiveness and expertise made all the difference. A top team that I highly recommend! Their responsiveness and help in creating my content were a real advantage. An in-depth analysis of my needs was carried out from the outset and I was given permanent access to the progress of the project. Don't hesitate to work with them.
Ernesto Carreño
ernestdetailing.ch
GeekWorkers created an effective, modern landing page that was perfectly suited to our objectives. Their team showed great professionalism, and the work was carried out quickly and meticulously. We're delighted with the end result and would highly recommend their services for any web project.
Newash SA
newash.ch
I would like to express my deep appreciation for Geekworkers. Their outstanding customer service, professionalism and commitment to customer satisfaction is truly impressive. My experience has been exceptional and I highly recommend this company. Thank you for your service.
Bobi
bobiapp.ch
Geekworkers gave me a clear, actionable vision for developing Bobi. Their recommendations on SEO, digital acquisition and platform optimisation were relevant and impactful. A professional and efficient team that I recommend without hesitation! 🚀
Silvia Castillo
Very good service, follow-up and professionalism. I highly recommend them.
Turkey Lucidity
depotclesecurite.ch
Serious, efficient and friendly are the words that spontaneously appear after a month and a half of work on my future page.
4.9/5
300+ satisfied customers in Switzerland

Why choose Geekworkers?

Technological modernisation

Upgrade your application with more recent frameworks or languagesThis will improve safety and performance and facilitate future upgrades.

Improved performance

Identify and correct bottlenecks for a more faster and more reliableThis will improve the user experience and productivity.

Scalability made easy

Add the new functions that your business needs on a cleaner, more maintainable technical basis.

Objective External Expertise

Benefit from expert, impartial diagnosis on the state of your application and clear recommendations for improvement.

Our technologies

We're experts at creating websites (WordPress) and online shops (WooCommerce), Google Ads and Meta advertising, search engine optimisation (SEO), interface design (UX/UI) and web and mobile application development to optimise your online presence.

Perfmatters

Lightweight WordPress plugin to optimise performance by disabling unnecessary functions and scripts.

WP-Rocket

Premium WordPress caching and performance optimisation plugin, easy to use and highly effective.

SEMrush

Complete SEO/SEM suite for keyword analysis, positioning tracking and competitive auditing.

react

JavaScript library for building dynamic, responsive and high-performance web user interfaces.

MySQL

Popular open-source relational DBMS, often used with PHP for website databases.

PostgreSQL

Robust, extensible open-source relational DBMS for applications requiring high data integrity.

PHP

A key server language for backend web development, the engine behind WordPress, Drupal and Laravel.

JavaScript

Essential front-end development language for creating interactive websites and rich experiences.

FAQs

YesThis is one of our strengths. Our initial audit enables us to assess complexity and feasibility. We are used to 'immersing' ourselves in existing codes, even if they are poorly documented.

Slow excessive, frequent bugs, difficulty in adding new functionstechnologies obsolete and not supported, security breachesuser interface dated

L'initial audit helps us to respond. If the architecture is sound and the technology not too outdated, theoptimisation/partial redesign is often more cost-effective. Otherwise, a complete overhaul may be in order.

We analyse the code structurethe dependenciesdevelopment practices, the securitythe performances (profiling), and quality of documentation to assess maintainability and risk.

Through rigorous tests (unitary, functional, non-regression), an approach to controlled refactoring and phased deployment if necessary.

YesWe can analyse your application and support you in its development. migration to a cloud infrastructure (AWS, Azure, GCP) for greater scalability and flexibility.

It is highly variable and depends on theinitial state of the application and thescope of works. The audit establishes a precise costing by phase or objective.

Our Agency Services

Tailor-made support for your Web & Marketing projects in Switzerland

Website Creation & E-commerce
Your growth partner in Lausanne. A team of 25+ experts in website, e-commerce and application creation with a clear ROI strategy to increase your sales in French-speaking Switzerland.
Digital Marketing SEO & SEA
Acquisition strategies (Google Ads, Meta, SEO) to generate more online sales.
Web & Mobile Development
Development of web (React, Angular, etc.) and mobile (iOS/Android) applications.
Audit & Support
Complete audit, strategic advice and support to manage the digital growth of your SME.