Full-stack engineering for web, mobile, and API platforms — designed for the security, compliance, and reliability demands of fintech and regulated industries.
Building software for regulated industries is fundamentally different from building consumer apps. The architecture has to be defensible to auditors, the data model has to support traceability, and every release has to be safe to roll out and back. Most generic development shops are not set up for that level of rigour — they ship features quickly but leave behind systems that are expensive to operate and difficult to evolve.
At Owl Smart Solutions we apply more than a decade of engineering experience to building products that meet the bar from day one. We work as your engineering partner — not a faceless outsourcer — embedding senior engineers, product thinkers, and a dedicated engagement lead into your team. Whether you are launching a new product, modernising a legacy system, or scaling an existing platform, our goal is the same: leave you with a codebase, architecture, and team that can keep moving long after our engagement ends.
We build production-grade web applications and customer portals using React, Next.js, Vue, and Angular on the frontend, backed by Java, .NET, Node.js, Python, or Go services. Each project is built with accessibility (WCAG), internationalisation, performance budgets, and observability baked in from the start. We focus on component-driven design systems and clean state management so the codebase stays maintainable as the product grows.
We deliver native iOS (Swift / SwiftUI) and Android (Kotlin / Jetpack Compose) applications as well as cross-platform builds using React Native and Flutter. Our mobile work includes secure local storage, biometric authentication, push notifications, offline-first patterns, deep linking, and integration with native SDKs. Apps are designed and tested against App Store and Google Play guidelines and the security expectations of regulated industries — secure key storage, certificate pinning, jailbreak detection where required, and OWASP MASVS alignment.
We design and build REST, GraphQL, and event-driven APIs as well as the microservice and integration layers that power them. Our API work emphasises clear contracts (OpenAPI / AsyncAPI), versioning strategy, rate limiting, idempotency, observability, and consistent error handling. We integrate with banking cores, payment processors, KYC / AML providers, CRM systems, ERPs, and identity providers, and design event-driven architectures with Kafka, RabbitMQ, NATS, or cloud-native messaging where it fits.
Most regulated businesses run on systems that were built to last but were not built to evolve. We help organisations modernise those systems — extracting capabilities into APIs and services, replacing batch jobs with event streams, moving from monolithic deployments to containerised platforms, and migrating from on-premise data centres to cloud — without disrupting day-to-day operations. The strangler-fig pattern, feature parity testing, and dark launches keep risk low while progress stays visible.
We work with your stakeholders to clarify the problem, target users, success metrics, and constraints, and translate them into a backlog, architecture outline, and delivery roadmap.
We define the system architecture, data model, integration boundaries, and security controls, and validate them with proofs of concept on the highest-risk components.
We deliver working software in two-week iterations, with automated testing and security scanning in the pipeline, transparent reporting, and live demos at the end of every sprint.
We support production launches, hand over documentation and runbooks, and stay engaged as long as needed — either as an ongoing engineering partner or in a structured handover to your in-house team.
Our core backend stacks include Java (Spring Boot), .NET, Node.js / TypeScript, Python (FastAPI, Django), and Go. On the frontend we work with React, Next.js, Vue, and Angular, and for mobile we build native iOS (Swift) and Android (Kotlin) as well as cross-platform applications with React Native and Flutter. We choose the stack based on your team's strengths, performance requirements, and the long-term maintainability of the codebase rather than on trend.
Yes. We frequently take ownership of inherited or partially built systems. Engagements typically start with a structured codebase audit covering architecture, code quality, security posture, test coverage, and operational readiness. From there we agree a stabilisation and modernisation plan — fixing critical issues first, then incrementally refactoring, adding tests, and introducing new capabilities without freezing delivery.
Security is built into the development lifecycle, not bolted on at the end. We follow OWASP ASVS, NIST SSDF, and the secure coding requirements relevant to your industry. Pipelines include SAST, dependency scanning, secrets detection, and container image scanning. We design for least privilege, encrypt data in transit and at rest, log security-relevant events, and produce architecture and data-flow documentation that supports ISO 27001, SOC 2, PCI DSS, and FCA audits.
We support both fixed-scope, fixed-price engagements for well-defined deliverables and time-and-materials team augmentation for evolving products. Every engagement starts with a discovery phase that produces a backlog, architecture outline, and delivery roadmap. We run delivery in two-week iterations with demos, transparent reporting, and a single accountable engagement lead, so you always know where the project stands.
Book a free discovery call and we'll review your goals, constraints, and current systems, and outline a realistic delivery plan.
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