Design before code
Every project starts with low-fidelity mockups, then high-fidelity UX in Figma — so you see and shape the product before a line of code is written.
Healthcare Platforms · EU Marketplaces · Cloud Operations
We build and operate healthcare platforms and multi-country marketplaces for the US & Europe
The hard parts of your product — compliance-grade infrastructure, zero-downtime database migrations, Stripe Connect payments with EU KYC, multi-language rollouts — are the parts we already run in production for clients in the US, Spain, and Sweden. Flutter, native iOS/Android, Next.js, NestJS, Laravel, and AWS, delivered end to end.
In production today — built, shipped, and operated by NextGen
- Door2DayHome services marketplace · Spain & Sweden
- US Healthcare PlatformRounds & compliance operations · USA
- Flutter · Swift · KotlinMobile engineering
- Next.js · NestJS · LaravelWeb platforms
- AWS · Stripe ConnectInfrastructure & payments
How We Work
From first mockup to production operations
The right build, not the trendy one
Native Swift/Kotlin, cross-platform Flutter, or web — we recommend the approach that fits your budget, timeline, and users, and we explain the trade-offs plainly.
We run what we ship
Launch isn't the finish line. We operate production systems on AWS — database migrations, monitoring, incident response, and security hardening — which is why our client relationships run for years, not sprints.
About NextGen
The team for the parts other agencies avoid
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Most agencies stop at launch. NextGen specializes in the two hardest kinds of software to run: healthcare platforms, where uptime and auditability are non-negotiable, and multi-country marketplaces, where payments, KYC, and localization make or break the business. We design, build, and operate both — today, in production, for clients in the US, Spain, and Sweden.
- Mobile: Flutter cross-platform plus native iOS (Swift) and Android (Kotlin), including SDK development and app store delivery.
- Web & backend: Next.js, NestJS, Laravel, and PostgreSQL/MySQL — from marketplaces to internal enterprise tools.
- Compliance-ready operations: AWS hardening, IAM least-privilege, zero-downtime Blue/Green database migrations, and audit-ready infrastructure supporting our clients' SOC 2 programs and GDPR obligations.
- Marketplace payments: Stripe Connect end to end — provider onboarding, EU KYC, multi-country payouts, and the edge cases that only show up in production.
We work with 3–4 hours of daily overlap with Central European and US Eastern time, communicate in clear written English, and can contract as your delivery team or as a white-label engineering partner behind US and European agencies.
Our Services
Get an EstimateMobile App Development
End-to-end delivery of Flutter cross-platform and native iOS (Swift) / Android (Kotlin) apps — from concept through App Store and Play Store release.
Web & SaaS Development
Production web platforms built on Next.js, NestJS, and Laravel — marketplaces, SaaS products, and internal tools that scale with your business.
Cloud Infrastructure & DevOps
AWS architecture and 24/7 operations: zero-downtime Blue/Green database migrations, monitoring and alerting, cost control, and incident response for systems that can't go down.
Payments & Marketplaces
Stripe Connect marketplace integrations done right — provider onboarding, EU KYC requirements, multi-country payouts, and payment UX proven in Spanish and Swedish markets.
Security & Compliance Engineering
IAM least-privilege, network hardening, SSL automation, and audit-ready AWS infrastructure for healthcare companies and teams working toward SOC 2 or operating under GDPR.
UI/UX & Product Design
Low-fidelity wireframes to high-fidelity Figma prototypes, localized for multiple languages and markets before development begins.
Case Studies
Real platforms we build and operate today
Marketplace · EU
Client IndustryHome Services — Spain & Sweden
StackNext.js · NestJS · Flutter · PostgreSQL
About
A two-sided home services marketplace operating in Spain and Sweden. We deliver the web platform, the customer and provider mobile apps, Stripe Connect payments with provider KYC onboarding, and full localization across Spanish, Swedish, and English — and we operate it in production.
Read the full case study →NextGen
Reviews
Get in Touch
Start with a small, low-risk engagement
Most clients start with a 2–4 week paid pilot — a scoped feature, migration, or audit — before committing to more. We keep 3–4 hours of daily overlap with CET and US Eastern hours and reply within one business day.
Dhaka
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Chattogram
Shimil Villa, Road # 5, Co-operative H. Society, Kulshi