abhirr.com

Available for freelance projects

Player 1 / Abhishek Rohokale / .NET backend engineer

I speedrun slow backends.

5+ years making APIs and SQL Server queries finish sooner, for real estate, healthcare, franchise, and e-learning products. Now taking freelance projects, remote.

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Replay / real optimization Result

SQL Server notification processing, tables of up to 110M records

Before5:00
After0:20

Final times shown. Press the button to watch it happen.

Both bars share one time scale. The replay runs at 30x; the real times were 5 minutes before and about 20 seconds after.

Leaderboard

Personal bests

  1. 01
    Notification processingSQL Server, tables of up to 110M records
    5:00 to 0:20 93% faster
  2. 02
    Core real estate search workflowSQL tuning, indexing, computed columns, UDFs
    ~45% faster
  3. 03
    Consumer mobile app, MVP to productionIntegrated with existing platform data, AI-assisted development
    3 weeks

Career mode

Select a level

Senior Software Engineer, Allata Inc.

Mar 2024 - Nov 2026 / Real estate and youth-enrichment franchise platforms

  • Cut SQL Server notification processing time by 93%, from 5 minutes to about 20 seconds, on tables of up to 110M records.
  • Sped up a core real estate search workflow by about 45% through SQL tuning, indexing, computed columns, and UDFs.
  • Shipped a consumer mobile app to production in three weeks by integrating an MVP with existing platform data, using AI-assisted development.
  • Built backend REST APIs for self check-in, schedules, deep links, playdates, achievements, notifications, and ICS calendar generation; integrated SendGrid, Firebase Cloud Messaging, and Branch.io.
  • Added email OTP authentication alongside password login without disrupting existing users.
  • Mentored 5 engineers on backend implementation, project patterns, debugging, and feature delivery.

Software Engineer, Intelerad (formerly Lumedx)

Aug 2022 - Oct 2023 / Healthcare

  • Built an Azure PaaS pipeline web app in C#, ASP.NET Core, and Azure SQL that normalizes HL7 and XML healthcare data for clinical system integrations across cloud, on-premise, and hybrid deployments.
  • Built a new Azure DevOps CI/CD pipeline with jobs, policies, and release gates, and reworked an existing one to cut its run time from about 15 minutes to under 8.
  • Migrated 5 services to .NET 6 ahead of framework end of support, improving runtime performance.
  • Added structured logging across all services through dependency injection to improve troubleshooting.
  • Developed XML and JSON normalization logic with NUnit unit tests.

Software Engineer, Enthral

Oct 2020 - Apr 2022 / E-learning

  • Built and maintained full-stack Learning Management System (LMS) and Learning Experience Platform (LXP) features, used by hundreds of users, with ASP.NET Core Web API, Angular, and SQL Server.
  • Delivered features across 7 product modules: corporate networking, service comparison, microlearning course authoring, report management, nested surveys, employee time tracking and scheduling, and training enrollment.
  • Owned features from client requirements gathering through API, UI, and database design to testing, deployment, and production support.

This level is your project

Unlocked Nov 2026 / Freelance

Bring a query that takes minutes, an API that needs building, or an MVP that needs to reach production. I will tell you what I would do first.

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What you can hire me for

Game modes

MODE 01

Performance rescue

Slow SQL Server queries, reports, and endpoints, measured and fixed.

Proof: 5 minutes to about 20 seconds on 110M-record tables

MODE 02

API build

.NET 8 and ASP.NET Core REST APIs, login flows, and third-party integrations.

Proof: check-in, scheduling, and OTP login APIs with SendGrid, Firebase, and Branch.io

MODE 03

MVP sprint

From prototype to production, using AI-assisted development.

Proof: a consumer mobile app in production in 3 weeks

MODE 04

Pipeline and upgrade

Azure DevOps CI/CD and .NET version migrations.

Proof: a pipeline run cut from about 15 minutes to under 8, and 5 services moved to .NET 6

Equipment

Loadout

Backend
C#, .NET 8, .NET 6, ASP.NET Core, Web API, REST APIs, Entity Framework Core, LINQ, Microservices
Data
SQL Server, T-SQL, PostgreSQL, Stored Procedures, Query Optimization, Indexing, Data Modeling
Cloud and DevOps
Azure Functions, Azure SQL, Azure Storage, Key Vault, Service Bus, Cognitive Services, Azure DevOps, CI/CD, Docker, Git
Frontend and mobile
Angular, React, React Native, JavaScript, TypeScript
AI-assisted
Generative AI, LLM-assisted development, Model Context Protocol (MCP)