root@kali:~# whoami

Hammad Khan

ПРОКРУТКА

Обо мне

classified_dossier.sh
1#!/bin/bash2# ═══════════════════════════════════════3# CLASSIFIED — SECURITY CLEARANCE: ROOT4# ═══════════════════════════════════════56CODENAME="hammad_khan"7TITLE="Senior Full Stack Engineer"8EXPERIENCE="8+ years building systems at scale"9LOCATION="Lahore, Pakistan"10CLEARANCE="Level 5 — Platform Architecture"11CURRENT_OP="Senior Full Stack Engineer @ NexaQuanta"1213declare -A ARSENAL=(14 [system_design]="Microservices | Event-Driven | DDD"15 [backend]="Rails | NestJS | Node | GraphQL"16 [frontend]="React | Vue | Next.js | PWA"17 [infrastructure]="AWS | Docker | Redis | BullMQ | K8s"18 [databases]="PostgreSQL | MongoDB | MySQL | Prisma"19 [security]="OWASP Top 10 | Audit Systems | HIPAA"20)2122MISSION_LOG=(23 "115+ MRs delivered in 5 months @ NexaQuanta"24 "Rails Core Contributor — merged PR to rails/rails"25 "Zero-downtime Stripe migration — 99.9% uptime"26 "Progressive loading: page load 12s → 2.3s"27)2829KNOWN_ALIASES=("daemon-os" "rubocop-hk" "ramadan-cli-pro")30CURRENT_FOCUS="Platform Engineering & Technical Strategy"31PHILOSOPHY="Building systems that scale, teams that deliver,32 and solutions that last."3334echo "[STATUS] Dossier loaded. Target identified."

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Counting visitors since April 15, 2025

Технический арсенал

Профессиональный путь

Oct 2025 — Present

Senior Full Stack Engineer @ NexaQuanta

Full-time · Remote (London, UK)

  • Built CRM & product reporting module with email-based delivery for business intelligence
  • Designed & executed enterprise database schema migration achieving 100% parity
  • Built complete aftersales appointment lifecycle module — 60+ merged MRs
  • Integrated CitNOW video library eliminating cross-system context-switching
  • Architected CSV data import pipeline with batch optimization & duplicate detection
  • Implemented multi-dealer org scoping with dual-database architecture
  • Patched critical injection vulnerability; built generic audit module
  • Fixed Redis Cluster CROSSSLOT errors for stable BullMQ job processing
NestJSReactNext.jsMongoDBPostgreSQLAWSRedisBullMQ
Dec 2023 — Oct 2025

Staff Software Engineer @ TechXMation

Freelance · Lahore, Pakistan

  • Designed event-driven export system reducing wait times from 30+ min to under 5 min
  • Architected progressive loading cutting page load from 12s to 2.3s (70% improvement)
  • Built multi-level batch processing improving job success rate from 60% to 95%
  • Designed service mesh architecture eliminating 90% of data duplicates
RailsReactRedisSidekiqAWS S3PostgreSQL
Feb — Nov 2023

Application Developer @ Machine Tools

Full-time · Lahore, Pakistan

  • Implemented Sphinx Search improving response time by 300%
  • Built advanced filtering with role-based access — 85% faster data filtering
  • Architected scalable email delivery system improving delivery rate by 25%
RailsSphinx SearchArel SQLPostgreSQL
Jun 2022 — Jan 2023

Senior Software Engineer @ Freelance

Remote · Lahore, Pakistan

  • Designed HMAC-based API signature verification with JWT & rate limiting
  • Built reusable React component library reducing dev time by 40%
  • Architected unified multi-platform API integration layer
RailsReactGraphQLJWTChrome Extensions
2018 — 2022

Software Engineer @ Sendoso

Full-time · Lahore, Pakistan · 4 Years

  • Architected multi-API integration platform supporting 10+ APIs (Azure, Kolide, Kandji)
  • Led zero-downtime Stripe v2 → v3 migration with 99.9% uptime
  • Built real-time monitoring dashboard handling 1M+ requests/day
  • Designed event-driven CRM automation for Salesforce, HubSpot, Marketo
  • Built Chrome extension for CRM integration used by 1000+ sales reps
  • Implemented i18n system for email templates supporting 20+ languages
RailsReactReduxGraphQLStripeSalesforceNew RelicDDD
2017 — 2018

Software Engineer @ Engin Technologies

Full-time · Lahore, Pakistan

  • Built scalable e-commerce solutions using Spree Commerce framework
  • Implemented React + Redux frontend with GraphQL data flow
  • Created responsive, interactive user interfaces
RailsReactReduxGraphQLSpree Commerce

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Fast, zero-dependency CLI tool to find and kill processes by port on macOS, Linux, and Windows

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image-magnifier
957

image-magnifier

React zoom component — 8 stars, 748+ downloads. TypeScript with 7 releases.

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ramadan-cli-pro
551

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Published npm package — TUI dashboard with prayer times, i18n & notifications.

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electric-border-css
358

electric-border-css

Animated CSS border effects — React, Vue, Next.js & Svelte with live demo.

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JavaScript 8

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Показать все 22

Open Source и сообщество

72 Влитых PR
14 Организации
17 Репозитории
584.8k Всего звёзд
17 Открытых PR
11 Закрытые PR
+4,801 / -346 Изменённых строк
9 Языки

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#7020 Add tests for Sidekiq::Monitor::Status helpers and invalid section

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#619 Fix WebGL context error on Turbo-cached landing page (#448)

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#620 Export mushaf layout data as JSON per page (#257)

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#7012 Add tests for launcher memory_usage and grabber pid handling

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#7011 Use the requested pid in the Linux memory grabber

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Ruby 13.5k 2.5k

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#7009 Add tests for ApiUtils#calculate_latency

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#7008 Add tests for to_display argument fallbacks

Simple, efficient background processing for Ruby

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#7007 Add tests for Web UI HTML-escaping helpers

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rspec/rspec

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#330 docs: fix grammar typo in pending documentation

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sidekiq/sidekiq

Ruby 13.5k 2.5k

#6999 Add unit tests for Sidekiq::JobUtil

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#7000 Add unit tests for Sidekiq::Paginator

Simple, efficient background processing for Ruby

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#7001 Remove parse_yaml_old from web helpers

Simple, efficient background processing for Ruby

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#7002 Forward block through RedisClientAdapter#method_missing

Simple, efficient background processing for Ruby

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#7003 Fix sub-second precision in JobRetry#time_for

Simple, efficient background processing for Ruby

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#6997 Add RingBuffer tests and expand SdNotify coverage

Simple, efficient background processing for Ruby

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#6998 Remove dead code left over from the 8.0 error-handler refactor

Simple, efficient background processing for Ruby

background-jobsjobsrubysidekiq
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rails

rails/rails

Ruby 58.8k 22.4k MIT

#57446 Include valid values in ActiveRecord::Enum invalid-value error

Ruby on Rails

activejobactiverecordframeworkhtmlmvc
activerecord
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rails

rails/rails

Ruby 58.8k 22.4k MIT

#57445 Fix incorrect SQL examples in ActiveRecord::QueryMethods docs

Ruby on Rails

activejobactiverecordframeworkhtmlmvc
activerecord
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rails

rails/rails

Ruby 58.8k 22.4k MIT

#57447 Improve insert_all error message to show key mismatch

Ruby on Rails

activejobactiverecordframeworkhtmlmvc
activerecord
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rails

rails/rails

Ruby 58.8k 22.4k MIT

#57448 Fix grammar in ActiveRecord errors and integration doc comments

Ruby on Rails

activejobactiverecordframeworkhtmlmvc
activerecord
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rubocop

rubocop/rubocop

Ruby 12.9k 3.1k MIT

#15140 [Fix #15135] Fix `Style/RedundantParentheses` autocorrect swallowing chained methods into trailing comments

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

code-formatterhacktoberfestlinterrubocopruby
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rubocop

rubocop/rubocop

Ruby 12.9k 3.1k MIT

#14948 [Fix #14821] Fix `Style/IfInsideElse` autocorrect moving comments into wrong branch

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

code-formatterhacktoberfestlinterrubocopruby
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rails

rails/rails

Ruby 58.8k 22.4k MIT

#57762 Add test coverage for SafeBuffer mutation escaping and as_json

Ruby on Rails

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bitwarden

bitwarden/clients

TypeScript 13.3k 1.9k

#21230 [PM-38965] Respect no_proxy environment variable in CLI

Bitwarden client apps (web, browser extension, desktop, and cli).

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bitwarden

bitwarden/clients

TypeScript 13.3k 1.9k

#21229 [PM-38964] Remove obsolete LockScreen config from AppX manifest

Bitwarden client apps (web, browser extension, desktop, and cli).

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TarteelAI

TarteelAI/quranic-universal-library

Ruby 919 111 MIT

#622 Add unit tests for mushaf layout JSON export (follow-up to #620)

A comprehensive collection of Quran resources

islammuslimquranrubyruby-on-rails
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quran

quran/quran.com-frontend-next

TypeScript 1.9k 614

#3301 fix(quran-reader): reset scroll when navigating from end-of-surah card

Frontend build on next.js

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quran

quran/quran.com-frontend-next

TypeScript 1.9k 614

#3300 fix(developers): remove dead Quran.com API project card

Frontend build on next.js

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rspec

rspec/rspec

Ruby 110 46 MIT

#331 test: cover ConsoleCodes.wrap when color is disabled

The RSpec monorepo

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rspec

rspec/rspec

Ruby 110 46 MIT

#329 docs: document define_derived_metadata via cucumber feature

The RSpec monorepo

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keycloak

keycloak/keycloak

Java 35.7k 8.6k Apache-2.0

#49262 Log SubjectConfirmationData validation failure in SAMLEndpoint

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vercel

vercel/next.js

JavaScript 141.1k 31.6k MIT

#94069 fix: await ensureInstrumentationRegistered in RouteModule.prepare

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JavaScript 141.1k 31.6k MIT

#94068 fix(image): skip 0-byte entries when initializing disk LRU cache

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rspec

rspec/rspec-rails

Ruby 5.3k 1.0k MIT

#2902 Expand file_fixture_path against Rails.root

RSpec for Rails 7+

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vercel

vercel/next.js

JavaScript 141.1k 31.6k MIT

#93151 fix(i18n): use correct defaultLocale when domains array is present on default host

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rails/rails

Ruby 58.8k 22.4k MIT

#57230 Fix config.credentials.key_path set in environment files being ignored

Ruby on Rails

activejobactiverecordframeworkhtmlmvc
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rails/rails

Ruby 58.8k 22.4k MIT

#57229 Fix attachment uploads lost when reload is called inside a transaction

Ruby on Rails

activejobactiverecordframeworkhtmlmvc
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rails/rails

Ruby 58.8k 22.4k MIT

#57226 Fix method_missing performance regression for virtual SELECT alias attributes

Ruby on Rails

activejobactiverecordframeworkhtmlmvc
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rubocop

rubocop/rubocop

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#15123 [Fix #15122] Fix false positive in `Layout/MultilineMethodCallIndentation`

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aaif-goose

aaif-goose/goose

Rust 51.2k 5.7k Apache-2.0

#9840 fix(anthropic): use adaptive thinking for Claude 4.6+ served outside the canonical registry

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aaif-goose

aaif-goose/goose

Rust 51.2k 5.7k Apache-2.0

#9839 fix(recipe): validate recipe structs without a lossy YAML round-trip

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#7042 Add tests for BaseTab#chart_y_axis and #striped_rows

Simple, efficient background processing for Ruby

background-jobsjobsrubysidekiq
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nasa

nasa/ogma

Haskell 570 56 Apache-2.0

#438 Provide detailed error messages when template expansion fails. Refs #390.

Generator of runtime monitors for flight and robotics applications.

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nasa

nasa/ogma

Haskell 570 56 Apache-2.0

#439 ogma-cli: Update README with new capabilities. Refs #212.

Generator of runtime monitors for flight and robotics applications.

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#7025 Add tests for Sidekiq::Component utility helpers

Simple, efficient background processing for Ruby

background-jobsjobsrubysidekiq
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rails/rails

Ruby 58.8k 22.4k MIT

#57555 Test Type::Integer#cast of a Symbol returns nil

Ruby on Rails

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sidekiq

sidekiq/sidekiq

Ruby 13.5k 2.5k

#7022 Honor the pool kwarg in Sidekiq::Stats::History

Simple, efficient background processing for Ruby

background-jobsjobsrubysidekiq
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biomejs

biomejs/website

MDX 94 220 MIT

#4093 docs: add SVG to language support page

Biome's website

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biomejs

biomejs/biome-intellij

Kotlin 93 23 Apache-2.0

#231 feat: add SVG file support

Biome plugin for IntelliJ

biomejsintellijintellij-pluginphpstormwebstorm
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biomejs

biomejs/biome-zed

Rust 487 19 MIT

#190 feat: add SVG file support

Biome extension for Zed

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Сертификаты

Security

OWASP Top 10 Security Threats

The Linux Foundation

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Hotwire

Web Frameworks

Hotwire: Reactive Rails Apps

LinkedIn Learning

June 2024

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RSpec

Testing

Ruby Testing with RSpec

LinkedIn Learning

August 2024

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TypeScript

Languages

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LinkedIn Learning

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MySQL

Databases

MySQL Installation & Configuration

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Tools

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Python

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AI & Automation

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Отзывы

“Hammad has made a huge impact at Sendoso during his almost 3 years working here. Hammad played a big part in the recent June launch which was an important launch for our customers. Keep up the great work Hammad!”

Kris Rudeegraap
Kris RudeegraapCo-CEO, Sendoso

“Hammad is an amazing engineer! He played a very important roll in the rollout of a new redesign and helped lead the efforts. Hammad is a great communicator and has helped multiple engineering teams be more successful, especially our integrations team. I strongly recommend Hammad!”

Kris Rudeegraap
Kris RudeegraapCo-CEO, Sendoso

“I have worked with Hammad both directly and indirectly for more than a year at this point. He has helped me immensely in solving issues in software development and also serving as a resource to help the team be more successful. There are many things that can be trained, but one thing that cannot be trained is a positive attitude. Hammad has always had a positive attitude and great communications in everything I have worked with him on. I recommend Hammad!”

Cody Farmer
Cody FarmerVP, Product, Sendoso

“Beyond his technical contributions, Hammad showed qualities that align with future leadership: he took ownership of critical projects, identified areas for improvement proactively, and collaborated effectively across teams. His ability to combine architectural thinking with hands-on execution made him a reliable and impactful member of the team. I recommend him as a Potential Leader in digital technology.”

Qaseem Shaikh
Qaseem ShaikhFormer CTO, Sendoso

“Hammad demonstrated his technical breadth, adaptability, and the ability to deliver features that directly impacted business operations and user experience. He worked on several initiatives that strengthened the Sendoso platform, including role-based permissions, API monitoring dashboards, Salesforce automation, and integrations with HubSpot, Salesloft, Marketo, and Engagio. I believe Hammad has the capability and potential to become a leader and make valuable contributions in the technology ecosystem.”

Nawab Iqbal
Nawab IqbalFormer Engineering Manager, Sendoso

“Hammad did an amazing work on different projects in the last few months including ChurnZero, HubSpot Chrome Extension and SalesIQ V2. He improved the reliability and performance of the chrome extension by replacing scrapping code with API calls and removed the dependency of data scrapping which can failed anytime by 3rd party changes on their side. We've more accurate data stats on ChurnZero now by removing the duplicate fields. He is self motivated and self organized engineer in the INT team.”

Usman Ali
Usman AliScrum Master | Agile Project Manager, Sendoso

“Hammad is an excellent resource. He is one of our talented and energetic graduates. He worked well during his studies and also good professional in programming languages. I rate him high for his problem-solving ability. I wish him the best of luck for his bright future.”

Muhammad Rashid Mukhtar
Muhammad Rashid MukhtarTechnical Lead, Solution Architect, COMSATS University

“Thanks for helping me with the VAT Legal site. I was very happy with the work Fyniti did. They did everything, from setting up WordPress and making it look like our brand to speeding it up, making it safer, and making it easier for search engines to find. We now have a sleek, modern website that looks great on any screen and really shows what we're all about. They also took care of the technical side of things, like setting up SSL, DNS, and business email. The best things about them were how much they knew, how careful they were, and how much they cared about their customers. I would hire them again.”

Majid Mohammed
Majid MohammedVAT Consultant, VAT Legal

“Hammad Habib Khan was a great person to work with. Proactive, energetic and totally organized. Brilliant Software Engineer. Loyal, insightful and independent. He had vision to see the benefits and the passion to turn that into measurable results for Engin Technologies.”

Sajid Ali
Sajid AliIntegration Manager & Principal Software Engineer, Engin Technologies

“Mr. Hammad Habib Khan made outstanding contributions to the Machinery Manager project. He demonstrated expertise in database optimization using Sphinx Search and Arel SQL, advanced query development, email functionality enhancements, content access and security, and UI/UX improvements. We recognize Hammad as a potential leader in technology.”

MachineTools
MachineToolsCompany Endorsement, MachineTools

“Hammad made significant contributions to the advancement of our SaaS platform while working collaboratively across multiple teams. He developed role-based permissions, automated Salesforce-integrated processes, and enhanced system monitoring. His proven ability to deliver impactful, globally relevant solutions makes him an outstanding professional who will continue to contribute meaningfully to the technology sector.”

Sendoso
SendosoCompany Endorsement, Sendoso

“Hammad consistently demonstrated exceptional leadership and technical expertise. He played a key role in leading high-impact projects, modernizing legacy systems, and driving innovation across both backend (Rails) and frontend (React/Next.js) stacks. His contributions significantly enhanced our product scalability, performance, and customer experience. We confidently endorse Hammad as an outstanding professional whose expertise and leadership have had a lasting positive impact.”

TechXmation
TechXmationCompany Endorsement, TechXmation

“During his tenure, Hammad made significant contributions that enhanced the functionality, efficiency, and reliability of our systems. His key contributions include role-based access enhancements, API monitoring and analytics, customer retention insights, process automation, and cross-platform integration. We confidently endorse him as a highly skilled professional whose work has had a lasting positive impact.”

PikesSoft
PikesSoftCompany Endorsement, PikesSoft

“Hammad has made a huge impact at Sendoso during his almost 3 years working here. Hammad played a big part in the recent June launch which was an important launch for our customers. Keep up the great work Hammad!”

Kris Rudeegraap
Kris RudeegraapCo-CEO, Sendoso

“Hammad is an amazing engineer! He played a very important roll in the rollout of a new redesign and helped lead the efforts. Hammad is a great communicator and has helped multiple engineering teams be more successful, especially our integrations team. I strongly recommend Hammad!”

Kris Rudeegraap
Kris RudeegraapCo-CEO, Sendoso

“I have worked with Hammad both directly and indirectly for more than a year at this point. He has helped me immensely in solving issues in software development and also serving as a resource to help the team be more successful. There are many things that can be trained, but one thing that cannot be trained is a positive attitude. Hammad has always had a positive attitude and great communications in everything I have worked with him on. I recommend Hammad!”

Cody Farmer
Cody FarmerVP, Product, Sendoso

“Beyond his technical contributions, Hammad showed qualities that align with future leadership: he took ownership of critical projects, identified areas for improvement proactively, and collaborated effectively across teams. His ability to combine architectural thinking with hands-on execution made him a reliable and impactful member of the team. I recommend him as a Potential Leader in digital technology.”

Qaseem Shaikh
Qaseem ShaikhFormer CTO, Sendoso

“Hammad demonstrated his technical breadth, adaptability, and the ability to deliver features that directly impacted business operations and user experience. He worked on several initiatives that strengthened the Sendoso platform, including role-based permissions, API monitoring dashboards, Salesforce automation, and integrations with HubSpot, Salesloft, Marketo, and Engagio. I believe Hammad has the capability and potential to become a leader and make valuable contributions in the technology ecosystem.”

Nawab Iqbal
Nawab IqbalFormer Engineering Manager, Sendoso

“Hammad did an amazing work on different projects in the last few months including ChurnZero, HubSpot Chrome Extension and SalesIQ V2. He improved the reliability and performance of the chrome extension by replacing scrapping code with API calls and removed the dependency of data scrapping which can failed anytime by 3rd party changes on their side. We've more accurate data stats on ChurnZero now by removing the duplicate fields. He is self motivated and self organized engineer in the INT team.”

Usman Ali
Usman AliScrum Master | Agile Project Manager, Sendoso

“Hammad is an excellent resource. He is one of our talented and energetic graduates. He worked well during his studies and also good professional in programming languages. I rate him high for his problem-solving ability. I wish him the best of luck for his bright future.”

Muhammad Rashid Mukhtar
Muhammad Rashid MukhtarTechnical Lead, Solution Architect, COMSATS University

“Thanks for helping me with the VAT Legal site. I was very happy with the work Fyniti did. They did everything, from setting up WordPress and making it look like our brand to speeding it up, making it safer, and making it easier for search engines to find. We now have a sleek, modern website that looks great on any screen and really shows what we're all about. They also took care of the technical side of things, like setting up SSL, DNS, and business email. The best things about them were how much they knew, how careful they were, and how much they cared about their customers. I would hire them again.”

Majid Mohammed
Majid MohammedVAT Consultant, VAT Legal

“Hammad Habib Khan was a great person to work with. Proactive, energetic and totally organized. Brilliant Software Engineer. Loyal, insightful and independent. He had vision to see the benefits and the passion to turn that into measurable results for Engin Technologies.”

Sajid Ali
Sajid AliIntegration Manager & Principal Software Engineer, Engin Technologies

“Mr. Hammad Habib Khan made outstanding contributions to the Machinery Manager project. He demonstrated expertise in database optimization using Sphinx Search and Arel SQL, advanced query development, email functionality enhancements, content access and security, and UI/UX improvements. We recognize Hammad as a potential leader in technology.”

MachineTools
MachineToolsCompany Endorsement, MachineTools

“Hammad made significant contributions to the advancement of our SaaS platform while working collaboratively across multiple teams. He developed role-based permissions, automated Salesforce-integrated processes, and enhanced system monitoring. His proven ability to deliver impactful, globally relevant solutions makes him an outstanding professional who will continue to contribute meaningfully to the technology sector.”

Sendoso
SendosoCompany Endorsement, Sendoso

“Hammad consistently demonstrated exceptional leadership and technical expertise. He played a key role in leading high-impact projects, modernizing legacy systems, and driving innovation across both backend (Rails) and frontend (React/Next.js) stacks. His contributions significantly enhanced our product scalability, performance, and customer experience. We confidently endorse Hammad as an outstanding professional whose expertise and leadership have had a lasting positive impact.”

TechXmation
TechXmationCompany Endorsement, TechXmation

“During his tenure, Hammad made significant contributions that enhanced the functionality, efficiency, and reliability of our systems. His key contributions include role-based access enhancements, API monitoring and analytics, customer retention insights, process automation, and cross-platform integration. We confidently endorse him as a highly skilled professional whose work has had a lasting positive impact.”

PikesSoft
PikesSoftCompany Endorsement, PikesSoft
Показать все 13

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