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Rivac Labs
All work

We're a new agency — this is an illustrative example of how a project like this runs with us, not completed client work. No client name, no invented results — just the plan, step by step.

2-4 weeks

Enterprise Feature

Adding a major feature to an existing complex system without breaking compliance or stakeholder alignment, roughly 2-4 weeks.

How We'd Run It

The same six steps, applied to this project

  1. 1

    Diagnose

    We map the existing system, its constraints, and every stakeholder whose sign-off matters before writing a line of the new feature.

  2. 2

    Pilot

    We build the riskiest slice of the feature first, in a staging or sandboxed environment, and agree in writing what "safe to proceed" looks like against compliance and integration requirements.

  3. 3

    Review, Together

    We walk the pilot through the relevant stakeholders together — not just the sponsor — so security, compliance, and other engineering owners can raise concerns before the full build.

  4. 4

    Build

    We build the full feature against the production system with the integration, access controls, and audit logging the existing environment requires.

  5. 5

    Launch, With a Human on Every Send

    We roll out behind a flag or to a limited internal group first, with a human reviewing early usage before it reaches everyone the feature affects.

  6. 6

    Operate & Improve

    We monitor the feature alongside the existing system's own metrics and keep a documented path for the client's engineers to extend it themselves.

Typical Timeline

A rough phase-by-phase breakdown

A target shape for a project like this, not a narrated account of a specific past engagement — actual pacing depends on scope and how quickly decisions get made.

  1. 1

    Diagnose & Stakeholder Mapping

    Week 1

    Map the existing system, its constraints, and every stakeholder whose sign-off matters before writing a line of the new feature.

  2. 2

    Sandboxed Pilot

    Early Week 2

    Build the riskiest slice of the feature in a staging environment and agree in writing what "safe to proceed" looks like.

  3. 3

    Review Together

    Mid Week 2

    Walk the pilot through security, compliance, and other engineering owners so concerns surface before the full build.

  4. 4

    Full Build

    Weeks 2-3

    Build the full feature against the production system with the integration, access controls, and audit logging required.

  5. 5

    Launch

    Week 4

    Roll out behind a flag or to a limited internal group first, with a human reviewing early usage before wider release.

  6. 6

    Operate

    Ongoing from Week 4

    Monitor the feature alongside the existing system's own metrics and keep a documented path for the client's engineers to extend it.

What's Included

What an engagement like this covers

  • A full map of the existing system's constraints and every stakeholder whose sign-off matters

  • A sandboxed or staging pilot of the riskiest slice of the feature

  • Written, agreed-upon criteria for what "safe to proceed" means against compliance and integration requirements

  • A production build with the access controls and audit logging the existing environment requires

  • A flagged or limited-group rollout with a human reviewing early usage

  • Documentation the client's own engineers can use to maintain and extend the feature after we're gone

Where Projects Like This Go Wrong

Common pitfalls, and how we handle them

  • Underestimating how many teams (security, compliance, data, other engineering squads) need to sign off before anything ships

  • Building against a stale or incomplete understanding of the existing system and only discovering the real constraints mid-build

  • Treating a single internal stakeholder's approval as consensus when other teams affected by the change haven't weighed in

Targets, Not Results

What we consider success

These are the targets we'd work toward on a project like this — not results we're claiming to have already achieved.

  • The feature ships inside the existing system without breaking current functionality, audit trails, or compliance requirements

  • Every affected internal team (security, data, other engineering owners) has reviewed and signed off before go-live

  • The client's own engineers can maintain and extend the feature after we're gone, not just operate it as a black box

Have a project like this in mind?

Tell us where you are and we'll help you find the highest-leverage place to start — scoped small enough to prove itself before you commit to anything bigger.

Talk to us about a project like this
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