Haseeb Ahmad - Full Stack Ruby on Rails Developer

Q: Where is Haseeb based?

Haseeb is based in Berlin, Germany .

Q: What languages does Haseeb speak?

Haseeb speaks the following languages: English (Advanced), German (Intermediate) .

Q: How many years of experience does Haseeb have?

Haseeb has at least 10 years of experience. During this time, Haseeb has worked in at least 3 different roles and for 3 different companies . The average length of individual experience is 3 years and 3 months . Note that Haseeb may not have shared all experience and actually has more experience.

Q: What is Haseeb's latest experience?

Haseeb's most recent position is Full Stack Ruby on Rails Developer at FINLINK .

Q: What companies has Haseeb worked for in recent years?

In recent years, Haseeb has worked for FINLINK and BAYT .

Q: Which industries is Haseeb most experienced in?

Haseeb is most experienced in industries like Banking and Finance , Automotive , and Information Technology .

Q: Which business areas is Haseeb most experienced in?

Haseeb is most experienced in business areas like Information Technology , Product Development , and Quality Assurance .

Q: Which industries has Haseeb worked in recently?

Haseeb has recently worked in industries like Banking and Finance and Automotive .

Q: Which business areas has Haseeb worked in recently?

Haseeb has recently worked in business areas like Information Technology , Product Development , and Quality Assurance .

Recommended expert

Berlin, Germany

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Experience

Oct 2021 - Present

4 years 8 months

Berlin, Germany

Full Stack Ruby on Rails Developer

FINLINK

Delivered MVP for strategic enterprise client including core Links banking APIs and interest rate calculations
Integrated German banking APIs for automated credit checks
Built lead distribution system that improved sales team efficiency by 40%
Developed microservices architecture for mortgage offer generation from multiple banks
Automated document verification process for customer KYC and income validation
Implemented GDPR-compliant consent management for customer data protection
Deployed and managed services using Kubernetes with custom YAML configurations
Wrote comprehensive test coverage using Rspec ensuring code reliability
Reduced customer onboarding time by 30% through workflow optimization

Apr 2017 - Oct 2021

4 years 7 months

Lahore, Pakistan

Senior Full Stack Developer

BAYT

Led the architectural transformation of yallamotor.com, serving over 3M monthly sessions, migrating to microservices with Ruby on Rails and GraphQL APIs
Developed innovative automotive features including advanced search filters and real-time inventory management systems
Created robust dealer dashboards facilitating inventory management and lead tracking for 500+ automotive dealers
Streamlined payment processing by integrating various regional gateways with automated reconciliation
Optimized performance through Redis caching and AWS infrastructure, achieving significant cost reduction and high PageSpeed scores

Jul 2016 - Apr 2017

10 months

Lahore, Pakistan

Back End Developer / Software Engineer

EBRYX

Worked on multiple projects for US clients, contributing to the development of web applications using Ruby on Rails, JavaScript, HTML, and CSS
Collaborated with cross-functional teams, including product managers, designers, and quality assurance engineers, to deliver high-quality software products
Developed a chat application for tenants using web sockets and real-time communication technologies
Built and maintained APIs for various projects
Integrated with third-party APIs for payment processing, geolocation, and other services
Implemented Devise Token Auth to enable secure authentication and authorization
Adopted software development best practices, including agile methodologies, test-driven development, and continuous integration and deployment

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Banking and Finance, Automotive, and Information Technology.

Banking and Finance

Automotive

Information Technology

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, and Quality Assurance.

Information Technology

Product Development

Quality Assurance

Summary

Full stack Developer with 9 years of experience, I have a strong prociency in a wide range of technologies and tools.

Skills

Backend Frameworks: Ruby On Rails, Ruby, Fastapi, Python
Frontend Frameworks: React, Redux, Javascript, Hotwire, Html, Turbo
Deployment: Heroku, Digitalocean, Aws, Kubernetes, Docker, Fastapi Cloud, Render
Cloud Services: Aws Lambda, Aws S3, Aws Cognito, Aws Sns, Api Gateway, Ec2, Rds, Aws Lex, Aws Appsync
Database: Mysql, Postgresql, Aurora Serverless Db, Sqlalchemy Orm, Alembic
Caching: Redis, Memcache, Varnish, Page Caching
Payment Integration: Stripe Subscription, Paypal, Payfort
E-Commerce Platforms: Solidus, Spree, Mirakl, Klaviyo
Api Documentation: Graphql, Swagger, Graphiql, Hasura, Pydantic
Authentication: Saml, Oauth, Jwt, Aws Cognito
Background Jobs: Sidekiq, Kafka, Delayed Jobs
Ai Tools: Hasura, Claude Code, Llm Integration
Ruby On Rails
Ruby
Rspec
Python
Mysql
Postgresql
Aws Lambda And Api
Aws
Redux
Javascript
Typescript
React
Kubernetes
Docker
Azure
Flux
Stripe
Redis
Graphql
Kafka
Sidekiq

Languages

English

Advanced

German

Intermediate

Education

Oct 2013 - Jun 2017

University of the Punjab

Bachelors · Software Engineering · Lahore, Pakistan · 2.9 GPA

Statistics

Experience

Total positions 3

Experience in Banking and Finance 4.5 y

Avg length 3 y 3 m

Longest experience 4 y 7 m

Global Experience

Countries worked in 2 (Pakistan, Germany)

Primary country Pakistan

Expertise

Recent roles Full Stack Ruby on Rails Developer, Senior Full Stack Developer, Back End Developer / Software Engineer

Main industries Banking and Finance, Automotive, Information Technology

Main business areas Information Technology, Product Development, Quality Assurance

Qualifications

Highest degree Bachelor

Profile

Created

November 2025

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Frequently asked questions

Have questions? Find more information here.

Where is Haseeb based?

Haseeb is based in Berlin, Germany.

What languages does Haseeb speak?

Haseeb speaks the following languages: English (Advanced), German (Intermediate).

How many years of experience does Haseeb have?

Haseeb has at least 10 years of experience. During this time, Haseeb has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 3 years and 3 months. Note that Haseeb may not have shared all experience and actually has more experience.

What roles would Haseeb be best suited for?

Based on recent experience, Haseeb would be well-suited for roles such as: Full Stack Ruby on Rails Developer, Senior Full Stack Developer, Back End Developer / Software Engineer.

What is Haseeb's latest experience?

Haseeb's most recent position is Full Stack Ruby on Rails Developer at FINLINK.

What companies has Haseeb worked for in recent years?

In recent years, Haseeb has worked for FINLINK and BAYT.

Which industries is Haseeb most experienced in?

Haseeb is most experienced in industries like Banking and Finance, Automotive, and Information Technology.

Which business areas is Haseeb most experienced in?

Haseeb is most experienced in business areas like Information Technology, Product Development, and Quality Assurance.

Which industries has Haseeb worked in recently?

Haseeb has recently worked in industries like Banking and Finance and Automotive.

Which business areas has Haseeb worked in recently?

Haseeb has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.

What is Haseeb's education?

Haseeb holds a Bachelor in Software Engineering from University of the Punjab.

What is the availability of Haseeb?

Haseeb is immediately available full-time for suitable projects.

What is the rate of Haseeb?

Haseeb's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.