Independent thinking.
Careful engineering.
Open to considered collaborations
Based in
Johannesburg,
South Africa

Java engineer
& product builder

Daniel Jr Nkulu—

Explore my work ↓

Behind the code

Thoughtful systems. Dependable outcomes.

I turn complex workflows into software people can rely on. From Java backends and connected systems to complete digital products.

A little
about me

Selected work

Ideas, made real.

(03)
01 / 2026
wethrive.shapeit.solutions
WeThrive application preview
Under the surfacePlanning & collaboration
JavaSpring BootNext.jsPostgreSQL

A full-stack planning platform that connects shared goals, everyday progress and an offline-aware experience.

WeThrive

Planning & collaboration

A full-stack planning platform that connects shared goals, everyday progress and an offline-aware experience.

Java / Spring Boot / Next.jsOpen project ↗

Account invitation required

02 / 2026
resilientpay.shapeit.solutions
ResilientPay application previewResilientPay interface detail 1ResilientPay interface detail 2
Under the surfaceTransaction reliability
JavaSpring BootRabbitMQNext.js

A working reversal orchestrator demonstrating asynchronous execution, safe retries and evidence-backed reconciliation.

ResilientPay

Transaction reliability

A working reversal orchestrator demonstrating asynchronous execution, safe retries and evidence-backed reconciliation.

Java / Spring Boot / RabbitMQOpen project ↗

Shared demo password required · synthetic payments

03 / 2026
shapeit-invitations.shapeit.solutions
ShapeITGood moments.
Thoughtfully
connected.
Invitations · RSVP · Guests
Under the surfaceEvent operations
JavaNext.jsPostgreSQL

An invitation and RSVP platform connecting guest communication with event administration.

ShapeIT Invitations

Event operations

An invitation and RSVP platform connecting guest communication with event administration.

Java / Next.js / PostgreSQLOpen project ↗

Protected staging preview

Out in the open

More from GitHub.

All repositories

Public repositories only. Repository listings refresh from GitHub; featured projects are curated.

Experience & approach

Built on real
engineering work.

I’m a Java software engineer with a BSc in Computer Science and experience across banking, legal technology and business applications. My work brings together careful integration, asynchronous processing and the small details that make software maintainable. Through Shape It Solutions, I build practical products and help businesses connect the systems they depend on.

Java / Spring BootREST / SOAPRabbitMQPostgreSQLReact / Next.jsTesting & CI/CD
2025 — Present

FNB

Developer III

ATM integration, asynchronous reversals and compatibility-preserving Java modernisation.

2026 — Present

Shape It Solutions

Independent Java software engineer

Equipment and procurement applications for Proworx Mining and Engineering Africa.

2023 — 2025

LexisNexis

Software Engineer II

Java citation processing, dependency resilience and application diagnostics.

2019 — 2021

Eduvos

BSc in Computer Science

Formerly Pearson Institute of Higher Education.