Mobile, web, product, design, QA, and DevOps

Build and Run Software Products End to End.

Staycold Solution delivers native and cross‑platform apps, modern web platforms, lean MVPs, product‑grade UI/UX, test automation and manual QA, and cloud-native DevOps—aligned to your roadmap and production standards.

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Practice areas you can engage under one partner

AWS, GCP, Azure

Public clouds we routinely build and operate on

Weekly demos

Default engagement rhythm for active projects

MobileNative Swift/Kotlin, cross‑platform Flutter & React Native, offline‑first and store‑ready

Mobile App Development

Production mobile engineering from architecture through App Store and Play release

Native iOS (Swift, SwiftUI) and Android (Kotlin, Jetpack Compose) or Flutter / React Native when one codebase must ship both stores
Secure auth (OAuth2/OIDC, passkeys, biometrics), push (FCM/APNs), deep links, and background sync patterns
Performance budgets using Instruments, Android Studio Profiler, and field crash analytics (Firebase Crashlytics, Sentry)

Ship stable releases with measurable startup time, crash-free sessions, and review-compliant builds.

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WebNext.js, React, Node, APIs, and edge-ready performance with accessibility baked in

Web Development

Full‑stack web platforms, dashboards, and marketing sites engineered for scale

SSR, SSG, and ISR with Next.js App Router (or analogous stacks) tuned for Core Web Vitals and SEO
REST, GraphQL, and real-time layers (WebSockets, SSE) with typed clients and schema governance
WCAG-oriented UI, CSP and security headers, rate limiting, and secrets handled via vaults or managed identity

Fast, secure web experiences with predictable deploys and observable production behavior.

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ProductDiscovery to launch: scope discipline, lean delivery, and instrumentation for learning

MVP & Product Development

Ship a credible first version with a path to scale—not a throwaway prototype

Problem framing, success metrics, and cut-line scope so the MVP proves one thesis well
Dual-track discovery with thin vertical slices delivered on two-week cadence
Product analytics (Segment, Amplitude, Mixpanel, PostHog) with event naming conventions and funnel definitions

A launch you can measure, iterate, and fund without rewriting core assumptions.

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DesignResearch-led UX, design systems in Figma, and brand assets that survive development

UI/UX & Graphic Design

Interfaces and visuals aligned to real constraints—accessibility, motion, and engineering handoff

User flows, wireframes, and high-fidelity UI with component-level specs for responsive breakpoints
Design tokens (color, type, spacing, elevation) exported for code and documented states (empty, loading, error)
Brand systems: logo usage, illustration style, pitch decks, social templates, and print-ready collateral when needed

Designs developers can implement once, with fewer review cycles and consistent brand presence.

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QualityTest strategy, automation, performance, and release gates integrated with CI/CD

Quality Assurance

Manual exploration plus automated regression aligned to risk and customer impact

Layered testing: unit ownership with dev, contract/API, integration, E2E, and exploratory charters
Playwright or Cypress in CI with parallel shards, trace on failure, and flake triage ownership
Performance and load with k6 or JMeter tied to SLOs; security smoke (OWASP ZAP baseline) where applicable

Defects found before production; release decisions backed by data from pipelines and staging.

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PlatformIaC, Kubernetes, CI/CD, observability, and cost-aware operations on AWS, GCP, Azure

DevOps & Cloud Hosting

Reliable platforms with security baselines and measurable SLOs

Terraform or Pulumi for reproducible environments; GitOps with Argo CD or Flux where appropriate
Container builds with provenance (SBOM, image signing), least-privilege IAM, and secrets from Vault or cloud managers
Observability: OpenTelemetry, Prometheus/Grafana, Loki or CloudWatch, with SLOs and error budgets

Deploy anytime with audit trails, fast incident response, and cloud spend you can explain line by line.

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Why teams choose us

Quality partnership that feels easy and practical

Cross-functional pods covering mobile, web, design, QA, and DevOps so handoffs stay inside one partner

Roadmap-aligned delivery with visible milestones, demos, and written decisions (ADRs where it matters)

Onboarding onto your repos, CI, and cloud accounts without forcing a toolchain migration

Plain-language reporting for leadership plus technical depth for engineering when you need it

Our process

From discovery to reliable production

Discover

We align on business outcomes, users, constraints (compliance, budget, timeline), and technical reality across mobile, web, APIs, and cloud so scope is honest before code.

Design

Architecture, UX, and testability are decided together: APIs, data model, deployment topology, and observability hooks are part of the same plan—not an afterthought.

Deliver

Iterative releases to staging and production with CI/CD, code review, QA gates, and feature flags so shipping stays controlled as velocity increases.

Scale

We harden what users depend on most: performance budgets, cost controls, automation coverage, and on-call runbooks.

Client love

What our partners say

“They shipped our MVP on an aggressive timeline, then layered in QA and DevOps without a rewrite. We finally had one partner who could speak product, design, and infrastructure in the same room.”

VP Engineering, B2B SaaS (Cloud)

“Their team integrated with our standups and repos like internal staff. Mobile and web stayed visually consistent because design and engineering were coordinated from day one.”

Product Director, FinTech Platform

“Our checkout and API latency improved after their performance pass, and on-call stopped guessing—dashboards and runbooks matched what actually runs in production.”

CTO, E-commerce Brand

Delivery highlights

What you can expect from engagement

Cross-functional pods: mobile, web, design, QA, and DevOps under one engagement model

Production-minded delivery with CI/CD, observability, and security baselines where you need them

MVP-to-scale roadmaps with instrumentation so product decisions follow evidence

Ready to scope your build?

Let's align engineering, design, and operations on your roadmap.

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