Act 01

2022 · Starting in Production

The First Spark

Every senior engineer begins as someone willing to sit with the problem when everyone else has logged off.

IST00:00:00DEEP WORK
AWST00:00:00CLIENT SYNC
Joined
OneIT Australia · Jul 2022
Role
Intern, fully remote
Degree
BCA done · MCA alongside
Stack
Java & Angular platforms
Scene 1 of 6
HARUKA MIRAI

遥か未来

Haruka Mirai

Engineer a brighter tomorrow

Push the gate

Record of service

Ankit Mishra

Senior Software Engineer · AI & Core Systems

Senior software engineer building enterprise-grade Java and Angular systems, resilient middleware, and production AI workflows for international clients at OneIT (Australia). Owns features end-to-end across REST APIs, PostgreSQL data modeling, PrimeNG front-ends and XML/EDI middleware, and is primary engineer on an LLM-driven test runner, alongside production RAG pipelines on pgvector. Promoted from Intern to Senior Software Engineer and named Developer of the Year for consistent technical impact, production ownership and cross-team delivery.

Chronology

Career on one side of the rail, study on the other. The two years of the Master's run straight through the middle of the promotions.

  1. study

    2019 - 2022

    Bachelor's Degree in Computer Applications, GGSIPU

    Bachelor's in Computer Applications. First portfolio shipped in 2022.

  2. career

    Jul 2022

    Junior SWE Intern, OneIT

    Joined right after graduation. Java and Angular on the Cougar platform.

  3. study

    Sep 2022

    Master's (MCA) begins, Chandigarh University

    Two-year Master's degree, started while working full-time.

  4. career

    Jan 2023

    Junior Software Engineer

    Stepped up to core engineer.

  5. career

    Oct 2023

    Software Engineer

    Owned Cougar infrastructure work, APIs, JSON/XML, Postgres.

  6. study

    Sep 2024

    Master's Degree (MCA) completed

    Earned concurrently while shipping production software.

  7. career

    Oct 2024

    Associate Senior SWE · Mid Developer of the Year 2024

    Awarded across the engineering firm. Stack expanded into Python, Flask, Twilio and Ionic.

  8. career

    2025

    Senior Software Engineer · Runner-up, Employee of the Year 2025

    Company-wide recognition across all engineering tiers. Owns AI/RAG platform work end-to-end: ingestion, pgvector search, LLM orchestration, developer tooling.

  9. career

    Now

    harukamirai.engineer

    Building this. Java, Angular, Python, and whatever the next ticket needs.

Systems built

9 systems, each one written up in full on the work page. The OneIT work is anonymised; the architecture and the stack are real.

Craft & Capabilities

5 Core Disciplines

Engineering Disciplines & Production Arsenal

Five core production disciplines architected, deployed, and maintained under load.

I · AI Systems

Applied AI & Test Automation

LLM-driven test automation, production RAG pipelines, source-consistent vector retrieval, and agentic LLM workflows.

Test Automation · RAG
PythonSeleniumPostgreSQL / pgvectorFastMCPOpenAI / Claude APIs
An LLM-driven test runner: plain-English test plans turned into Selenium actions by LLM agents, with every failure triaged as design drift or a real defect.
Filtered vector retrieval across 2.5M+ rows with automated vacuum & delta-sync reconciliation.
Production RAG architectures with pgvector (HNSW) indexing and autonomous agentic workflows.

II · Backend & Systems

Enterprise Backend & EDI Middleware

Mission-critical transactional services, asynchronous pipelines, and ERP integrations.

Java · Zero-Loss EDI
JavaPostgreSQLXML / EDI X12Async QueuesDocker
Zero data-loss XML/EDI pipeline connecting MYOB accounting and CargoWise freight logistics.
High-throughput transactional Java services with resilient retry policies and async event queues.

III · Frontend & Canvas

Modern Frontend & Canvas Workflows

High-density enterprise web apps, interactive vector canvas, and responsive UX.

Angular 19 · Paper.js
Angular 19TypeScriptPaper.jsPrimeNGNext.jsTailwind CSS
Interactive construction takeoff canvas inside Angular 19 generating live BOQ estimates.
Pixel-precise SVG/vector rendering and stateful high-density enterprise UI suites.

IV · Data & Telemetry

Distributed Data & Telemetry

Hub-and-spoke multi-site replication, time-series telemetry, and database optimization.

TimescaleDB · Multi-Site
PostgreSQLTimescaleDBSymmetricDSGrafanaLinux / Shell
Multi-node PostgreSQL optimization, query & index tuning, and automated health monitoring.

V · Integrations & APIs

Integrations & Regulatory Protocols

Automated billing gateways, telephony workflows, and national government registries.

National Compliance
Xero APIEway PaymentsAustralian USI RegistryTwilioChrome Extensions
Two-way invoice reconciliation, recurring billing, and automated government identity validation.
Webhooks orchestration, SMS dispatch pipelines, and browser automation tools.

Take it with you

The same record as a PDF, or print this page straight from the browser - it lays out as a plain sheet.