Crossing Every “X” in Your Digital Journey

We build web apps, design interfaces, and grow businesses through SEO —
for companies that want results, not just deliverables.

Our Services

Angular, React, Next.js, React Native — we build with the tools that fit, not the ones that are trendy.

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Find out what's holding your website back. No strings attached — just actionable insights you can use right away.

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Case Studies

Real projects, real results. See how we've helped our clients achieve their goals.

Our Process

No pitch decks, no fluff — just a clear path from idea to launch.

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01

Discovery

We learn about your business, goals, and users. No assumptions — just questions and listening.

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02

Strategy & Design

Wireframes, UI mockups, and a clear technical plan before a single line of code is written.

03

Development

Clean, tested, production-ready code. Regular demos so you see progress, not surprises.

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04

Launch & QA

Rigorous testing, performance optimization, and a smooth deployment to production.

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05

Support & Growth

Post-launch monitoring, iterations, and ongoing support as your product evolves.

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What Our Clients Say

Don't just take our word for it — hear from the people we've worked with.

CodeX didn't just build our platform — they helped us architect a business. The auction system and real-time features were beyond anything we'd imagined. We went from a pitch deck to a fully functioning social commerce platform in 16 weeks, and secured our Series A two weeks after launch. They're not vendors, they're partners.
The interactive property search CodeX built is the best in European luxury real estate. Inquiries jumped 120% in two months. The agent portal saves our team hours every day, and the mortgage calculator has become one of our highest-engagement features. They understood luxury branding and translated it beautifully into digital.
We needed an Electron app handling million-row datasets without breaking a sweat. CodeX delivered a desktop application 3x faster than our browser-based tool. The plugin architecture means our team can extend the platform without touching the core. Now used by 2,000+ analysts across 50 organizations.
Building four interconnected applications in 7 months sounds impossible, but CodeX delivered. Their Vue.js component library alone saved us months of future development. The VMP platform processes 2 billion impressions monthly without breaking a sweat. Outstanding engineering combined with deep ad tech understanding.
As a technical founder, I was skeptical about outsourcing. CodeX changed my mind completely. They built FinTrack from scratch to #1 on ProductHunt in 12 weeks. The financial calculation engine handles billions in tracked value with zero precision errors. We raised our seed round on the back of their work.

Meet the People Behind CodeX

A small but mighty team of builders, designers, and strategists.

Nikola Jovanovic

Nikola Jovanovic

Founder & CEO

Nikola founded CodeX with a vision to build a digital agency that combines technical excellence with genuine client partnership. With over a decade of experience in software engineering and product leadership, he oversees strategy, architecture, and client relationships. When he's not coding or leading the team, you'll find him exploring new tech, mentoring junior developers, or enjoying a strong espresso.

Veljko Jovanovic

Veljko Jovanovic

Lead Designer

Veljko is the creative force behind CodeX's design output. With a sharp eye for detail and a deep understanding of user behavior, he transforms complex requirements into elegant, intuitive interfaces. His background spans brand identity, product design, and design systems. He's passionate about bridging the gap between aesthetics and usability, and believes the best designs are the ones users never have to think about.

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Find out what's holding your website back. No strings attached — just actionable insights you can use right away.

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Let's talk about your next project

No pitch decks, no fluff — just a conversation about what you need and how we can help.

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