Grace HalimChief Technology Officer

A-01 · Subject

Grace Halim

Engineering the platforms on which the future is built.

I build technology organisations that can turn a strong idea into a dependable product and a durable platform.

Open to
  • Board appointments
  • Advisory roles
  • Speaking invitations
Portrait of Grace Halim
Elevation · Chief Technology Officer

Specification

The scale of the work.

Ref.MeasureValueNote
S-01Users on the platform40 MAcross web, mobile and partner APIs
S-02Release frequency6×With fewer production incidents
S-03Engineers led1,200In five global engineering hubs
S-04Patents granted23In payments and applied AI

Modules of expertise

The load-bearing capabilities.

  • MOD-01Technology strategy
  • MOD-02Platform engineering
  • MOD-03Responsible AI
  • MOD-04Product innovation

Career elevation

Built in stages.

  1. Stage 04 · 2020 — Present

    Chief Technology Officer

    Aldermoor Group

    Leading technology strategy, platform direction and engineering capability.

  2. Stage 03 · 2016 — 2020

    Vice President, Engineering

    Fairhaven Holdings

    Built engineering teams and delivery practices across product and platform work.

  3. Stage 02 · 2013 — 2018

    VP Engineering, Platforms

    Lumen Payments

    Rebuilt the payments platform for real-time scale and grew the engineering organisation from 80 to 600.

  4. Stage 01 · 2007 — 2013

    Principal Engineer

    Kestrel Systems

    Designed distributed systems used by national exchanges, and learned that reliability is a product feature.

Detail drawings

Where the decisions were made.

01Detail

Platform transformation

A successful product was reaching the limits of its original platform. I worked with product and engineering leaders to identify the constraints that mattered most to customers, establish service boundaries and sequence migration without forcing a single high-risk cutover. The roadmap connected technical investment with the product capabilities it would unlock.

02Detail

Engineering scale

Engineering growth had introduced inconsistent delivery practices and unclear ownership. We clarified team missions, invested in shared development infrastructure and made reliability part of the product conversation. Technical leaders gained a common framework for decisions while teams retained the autonomy to solve problems within their areas of responsibility.

03Detail

Innovation programme

The organisation had many promising experiments but no consistent route from prototype to supported product. I introduced review points that considered user value, operational readiness, security and long-term ownership. The process helped teams distinguish an interesting demonstration from a capability the business could responsibly depend on.

Board record

Governance structures served.

  • Kestrel Systems

    Non-Executive Director

    Technology & Innovation (Chair)

    2023 — Present

  • The Open Standards Alliance

    Technical Steering Committee

    AI Safety Working Group

    2021 — Present

Peer review

Notes from those who appoint.

Builds platforms the business can bet on, and engineering teams people want to join.
Elena MorettiChief Executive, Lumen Payments
Brought rigour and humanity to our AI decisions in equal measure.
Kenji ArataChair, Kestrel Systems

Working notes

Essays and perspectives.

An invitation

Let's draw up what comes next.

For board, advisory and leadership conversations where technology strategy matters.

Open to
  • Board appointments
  • Advisory roles
  • Speaking invitations

office@gracehalim.example