We engineer to solve
challenging technology problems.
Web, mobile and backend engineering with more than 20 years of delivery experience, and a core specialisation in European financial infrastructure: payments, SEPA, card schemes and trading platforms.
Engineering services
From customer-facing apps to the backbone behind them.
Web Development
Customer-centred web apps that are secure, scalable and convenient, crafted with a clear view of the business goal and your customer journey.
Mobile App Development
Native-quality iOS and Android apps in React Native, seamlessly integrated with your existing systems and APIs, from A to Z.
Server-side & Backend
Reliable backbones designed for high load, security, privacy and easy maintenance, the part users never see but always feel.
Software Integrations
CMS, ERP, CRM, analytics, accounting and marketing platforms talking to each other in real time, even when they're not natively compatible.
Cloud Migration
From legacy systems to carefully designed cloud infrastructure, or a well-argued decision to stay on-premise. We assess cost, security, continuity and scalability honestly.
Agentic acceleration
Every engineering service on this page is delivered through our agentic pipeline, senior engineers directing AI agents, at a fraction of traditional cost.
Financial infrastructure
15+ years engineering the systems that move money.
Payment systems are always a target and downtime is never acceptable. Nextarp engineers and maintains payment infrastructure that is regulatory-compliant and defended with state-of-the-art security measures, including cryptographic message authentication from initiation to execution.
Payment systems
Core payment infrastructure for SEPA and international schemes, and debit/credit card schemes, integrated seamlessly with your back office. Confidentiality, integrity and availability guaranteed at any given moment.
Trading & market data
Mission-critical integrations that exchange trading messages and gather real-time market data, processing thousands of requests instantly.
One-stop for institutions
Nextarp is a one-stop service provider for the financial infrastructure needs of a financial institution, engineering, security, compliance and operations.
Platforms
Clouds we run on. Languages we are native in.



Got a hard engineering problem? Let's discuss.
We will surpass your expectations while we engineer to solve your challenging technology problems.
