LILLE
✦ 🇫🇷 FREELANCE SOFTWARE ENGINEER ✦ LILLE

Umer Malik in Lille, Haauts-de-France

Direct software engineering for Lille, Haauts-de-France businesses. Web development, mobile apps, AI, Shopify, and custom systems — built by a single senior engineer, no agency overhead.

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SERVICES
✦ SERVICES ✦ LILLE ✦ UMER XPERT

Engineering Services in Lille, Haauts-de-France

Custom software development services available in Lille, Haauts-de-France. Direct hire, fixed pricing, and full IP transfer on every project.

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Custom Web & Portal Development
High-throughput, scalable web platforms built for the market in Lille. Custom CMS, REST APIs, sub-200ms TTFB, full security.
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Shopify & E-Commerce Engineering
Headless storefronts and bespoke Shopify architectures built for lightning speeds and conversion in Lille.
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iOS & Android Mobile App Dev
Native mobile applications for users in Lille. Offline-first architecture, biometric auth, and real-time syncing.
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AI Chatbots & Workflow Automation
GPT-4 powered intelligent agents fine-tuned on company data for 24/7 customer service and sales automation.
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Technical SEO & Web Speed Optimization
Core Web Vitals tuning and structured schema architecture pushing businesses in Lille to Page 1.
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Plugin-Free WordPress Engineering
Bespoke, bloat-free WordPress architectures. Custom Gutenberg blocks, REST API endpoints, and Redis caching.
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Web Security & Penetration Testing
WAF configuration, SSL hardening, penetration testing, and full compliance with OWASP Top 10 standards.
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Payment Gateway Engineering
PCI-DSS compliant checkouts with 3D Secure and multi-currency support for businesses in Lille.
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API Development & Backend Systems
High-throughput RESTful and GraphQL APIs with complete OpenAPI documentation and OAuth2 security.
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AWS Cloud Infrastructure & DevOps
AWS cloud architectures, Docker containerization, and automated CI/CD deployment pipelines with zero downtime.
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UI/UX Design & 3D WebGL Interfaces
Pixel-perfect translation from Figma to clean code with 3D WebGL animations for leading brands in France.
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Workflow Automation & Custom Scripting
Custom automation scripts and AI pipelines eliminating repetitive manual tasks for companies in Lille.
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Database Architecture & Tuning
Database design, SQL query tuning, and Redis caching layers engineered to handle massive concurrent traffic.
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Legacy System Modernization
Audit and re-architect legacy codebases into modern microservices with zero downtime and zero data loss.
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Conversion Rate Optimization (CRO)
Data-driven UX audits and landing pages turning digital traffic in Lille into measurable, profitable revenue.
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White-Label Software Engineering
Clean-code engineering under NDA with 100% transfer of source code, repository, and intellectual property.
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BEST
✦ BEST IN LILLE ✦ TOP-RATED ENGINEER

Best Software Engineer in Lille, Haauts-de-France

When Lille, Haauts-de-France businesses search for the best developer, they find one person who actually answers — Umer Malik. Direct hire, no agency chain, every project owned and delivered personally.

Best Web Developer in Lille

Looking for the best web developer in Lille? Umer Malik builds fast, mobile-first websites and web applications that rank on Google and convert visitors into customers.

Best Mobile App Developer in Lille

Need the best mobile app developer in Lille? Umer Malik delivers iOS and Android apps with native performance and app store-ready builds.

Best Shopify Developer in Lille

Get a high-converting online store built from scratch — custom theme, payment gateways, and performance optimisation.

Best AI Developer in Lille

Umer Malik has delivered LLM-powered tools, intelligent chatbots, and AI automation systems for enterprise clients.

Best WordPress Developer in Lille

Custom WordPress themes, plugins, and headless CMS setups that are fast, secure, and SEO-optimised.

Best SEO Expert in Lille

Technical SEO audits, Core Web Vitals optimisation, and local SEO strategies that get businesses ranking on page one.

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FAQ
✦ LILLE FAQ ✦ FREQUENTLY ASKED

Lille Developer FAQ (Haauts-de-France)

Common questions from Lille, Haauts-de-France businesses looking to hire a senior software engineer.

How do I hire a software engineer in Lille?
Contact Umer Malik directly at Umer Xpert. No agencies.you work with a senior engineer from day one. Response within 24 hours.
What services does Umer Xpert offer in Lille?
Web development, mobile apps, e-commerce, WordPress, AI/ML integrations, API development, DevOps, and technical audits. All services available across Lille and greater France.
What does it cost to hire a freelance developer in Lille?
Fixed-price or milestone-based. Contact for a free technical scoping and price estimate for your specific project.
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€1K–3K
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€3K–10K
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€10K–30K
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✦ REGIONAL OPERATIONS / STATES WE SERVE ✦

Île-de-France Provence-Alpes-Côte d'Azur Auvergne-Rhône-Alpes Haauts-de-France Nouvelle-Aquitaine Occitanie Pays de la Loire Grand Est
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