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NS360

01 · Product Engineering

Products that work on launch day and keep working after it.

We design and build software people rely on: web applications, mobile and desktop apps, multi-tenant SaaS platforms and the internal systems a business runs on. One team owns the interface, the API behind it and the infrastructure under both.

When teams call us

You might be here because…

  1. 01You have an idea, a deadline and no system yet.
  2. 02Your MVP proved the market, and now it has to survive real customers.
  3. 03You need the same product on the web, on desktops and on phones without three separate codebases drifting apart.
  4. 04Your operations run on spreadsheets and email threads that nobody can audit.
  5. 05You need an engineering team that can own a product end to end, not just take tickets.

01What we build

Product Engineering, in practice.

  • 01

    Web applications

    Fast, accessible web apps with server rendering where it helps, clean state management and interfaces that stay responsive under real data volumes.

  • 02

    Mobile apps

    iOS and Android apps (native where the platform matters, cross-platform where shared code wins) with offline behavior, push notifications and store releases handled properly.

  • 03

    Desktop applications

    Cross-platform desktop apps with Tauri, Electron or native toolkits, including code signing, notarization, auto-update channels and the file-system and OS integrations desktop users expect.

  • 04

    SaaS and multi-tenant platforms

    Tenant isolation, role-based access, audit trails, usage metering and subscription billing designed in from the start, so the tenth customer is as safe as the first.

  • 05

    Enterprise systems and internal tools

    Workflow engines, approval chains, back-office portals and dashboards that replace fragile spreadsheets with systems people can trust and auditors can read.

  • 06

    APIs and backend services

    Well-documented REST and GraphQL APIs, event-driven services and background jobs, with versioning, rate limits and error contracts clients can depend on.

  • 07

    Integrations and payments

    Payments (Stripe, Razorpay and others), identity providers, CRMs, ERPs and third-party APIs connected with retries, idempotency and monitoring.

  • 08

    MVP to production

    Rebuilding or hardening a first version so it can carry real customers, without stopping the business while it happens.

02How we hold the line

The standards that come with it.

Reviewed and tested from week one
Every change goes through peer review and automated tests in continuous integration. Test coverage follows risk: payment, permission and data paths get the most.
One contract between screen and server
Interfaces and APIs are designed together and typed end to end, so a change on one side fails the build instead of failing in production.
Accessible by default
WCAG 2.2 AA is the floor for interfaces we build: keyboard paths, contrast, labels and reduced-motion support are part of done, not a later audit.
Releases you can repeat
Automated builds, environment parity, feature flags where they reduce risk and a rollback path for every deploy. Desktop and mobile releases are signed and reproducible.
Performance budgets
We agree targets for load time, interaction latency and API response times early, and measure them in CI and in production rather than guessing.

03Across the loop

How this practice shows up at every stage.

  1. 01 · 000°

    Design

    Discovery, flows and a technical architecture decided together, so the first build is the right one.

  2. 02 · 060°

    Engineer

    Working increments every week or two, deployed to a real environment you can use.

  3. 03 · 120°

    Integrate

    Payments, identity and your existing systems wired in with contracts and tests.

  4. 04 · 180°

    Secure

    Authentication, authorization and data handling reviewed before launch.

  5. 05 · 240°

    Scale

    Load-tested paths, caching and infrastructure sized to your growth.

  6. 06 · 300°

    Maintain

    Upgrades, fixes and the next features, from the team that built it.

04Tools we reach for

Chosen for your constraints, not our habits. These are common starting points, not a catalogue.

Interfaces
TypeScriptReact and Next.jsSwift and KotlinReact NativeTauri and Rust
Services
Node.jsPythonGoJava and .NET where they already live
Data
PostgreSQLSQLite and libSQLRedisSearch engines where the product needs them

See the full stack

05How engagements run

How engagements run

  • Product build

    A cross-functional team designs and builds a new product or a major version, from discovery to launch.

  • Dedicated product team

    A stable team that works inside your roadmap and rituals for as long as you need one.

  • MVP rebuild

    A focused engagement to take a first version to production quality without a big-bang rewrite.

See how an engagement runs, from the first call to handover.

Questions

What people ask first.

Both. We recommend native when the product depends on platform capabilities or performance, and cross-platform when a shared codebase will save you more than it costs. We explain the trade-off for your case before anything is built.

Yes. We start with a short technical assessment of the codebase, infrastructure and delivery process, then agree a plan. See Modernization & Care.

You do. We work in your repositories and cloud accounts from the first commit, and intellectual property is assigned to you under our agreement.

After a short discovery we give a range based on scope, risk and team shape, and we break the work into increments you can re-prioritize. We avoid fixed prices for poorly understood scope, because they push risk into corners you can’t see.

Start a conversation

What are you building, and what has to be true on launch day?

A few lines are enough. We reply in writing, with questions rather than a sales deck.