Software engineer — Accra, Ghana

EmmanuelMortey

Frontend engineer building real-time, data-dense interfaces — trading desks at Morgan Stanley, live 3D match visualisation at Monterosa, internal platforms at Turntabl.

Selected work

Since: 2021
Based: Accra, GH
Focus: Real-time UI
Status: Open to roles

Selected work — 003

A live match, rebuilt as geometry

Seven WebSocket message handlers normalised into seven Redux slices, driving a 3D pitch that holds its geometry in two camera worlds.

React 18 · TypeScript · Three.js · React Three Fiber

Monterosa / Fanatics
Feb – May 2026

Two hundred and fifty ways to constrain a portfolio

A bond portfolio optimiser with 250+ configurable constraint fields, serving credit trading desks and institutional clients.

Angular · TypeScript · NgRx · RxJS

Morgan Stanley
Oct 2024 – Jan 2026

A save that stopped losing work

Rebuilding an employee profile as a continuous scroll, and replacing a fire-and-forget save that silently discarded edits.

React · TypeScript · Tailwind · Vitest

Turntabl
Jul 2026 – present

5yrs

shipping frontend

250+

constraint fields

incident types

130+

passing tests

7 → 7

handlers to slices

What that means in practice

Real-time interfaces

WebSocket pipelines, normalised state, live data that stays coherent under load.

Data-dense UI

Trading desks, 250-field constraint matrices, charts that survive being looked at closely.

3D & visualisation

Three.js and React Three Fiber, coordinate systems, camera behaviour.

Design engineering

Figma to production, OKLCH colour systems, motion that has a reason.

Also

Morgan StanleyClient CentralInteractive trade & holdings dashboards, MobX2023 – 2024

Morgan StanleyDataZone VisualizerCustom charting over large datasets2024

TurntablBonardaHR — workflow templatesScroll-container pattern, Vitest coverage2026

Eddgen TechnologiesSchool management platformAngular, SCSS, Node/Express, MongoDB2021 – 2022

Contact

Open to frontend and design-engineering roles.

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