Senior Software Developer

HARMINDER SINGH

Hi, I’m Harminder Singh — a Senior Software Developer with over a decade of experience in crafting high-quality web and mobile applications. I graduated from Brunel University London, which gave me a strong understanding of international cultures and the compliance standards required for global products. Since 2014, after completing my Bachelor’s degree in Computer Science, I have been working as a full-stack web and mobile app developer. Over the years, I have built and contributed to a wide range of applications across various industries. These include dating apps similar to Tinder, taxi booking apps inspired by Uber, food delivery platforms like Uber Eats, fitness apps comparable to MyFitnessPal, service provider apps similar to Urban Company, and many more. I am passionate about turning innovative ideas into user-friendly, reliable, and scalable digital products that make a real impact.

GET TO KNOW ME

Beyond just writing code, I love solving real-world problems through technology. I enjoy diving into new ideas, understanding user needs, and transforming them into seamless digital experiences. My journey has taken me across diverse industries, and each project has strengthened my commitment to quality, innovation, and continuous learning. When I'm not coding, you'll find me exploring the latest tech trends, learning new tools, or brainstorming creative solutions to make everyday life simpler and smarter.

11

Years of Experience

18

Industries Worked With

700

Small and Large Projects Delivered

10

Countries With Happy
Clients

100

Clients Served in Different Countries

100

Client Satisfaction Guarantee

What I Do

Custom Mobile App Development

I design and develop user-friendly, high-performance mobile apps tailored to your specific needs and industry. From idea to launch, I focus on delivering smooth, scalable, and secure experiences. Whether it's a consumer app or an enterprise tool, I ensure your product stands out in today's competitive mobile landscape.

End-to-End Software Development

I build robust web applications and full-stack software solutions that support your business from the inside out. From dynamic dashboards to automated workflows and customer-facing platforms, I handle the entire development lifecycle. My focus is on creating reliable, future-proof solutions that grow with your business.

Cross-Platform App Solutions

Reach both iOS and Android users with a single, unified codebase. I develop cross-platform apps that maintain a native feel and deliver consistent performance across devices. This approach saves time, reduces costs, and ensures your brand experience is seamless everywhere.

Product MVP Design & Launch

I help entrepreneurs and startups bring their ideas to life quickly with Minimum Viable Products (MVPs). By focusing on core features first, we can test the market, gather feedback, and iterate fast. This strategy minimizes risk and accelerates your path to product-market fit.

API & Microservices Architecture

I design and implement powerful APIs and microservices to make your applications modular, scalable, and easier to maintain. From secure user authentication to advanced integrations with third-party services, I ensure your backend is as strong as your frontend.

Real-Time Systems & Features

Add dynamic, engaging features like live chat, real-time notifications, and activity feeds to keep users connected. I build systems that handle data instantly and reliably, creating interactive experiences that boost user retention and satisfaction.

Scalable Backend Development

I build backends that can handle high volumes of users and data without compromising on speed or security. Whether you need a custom server setup or cloud-based architecture, I ensure your foundation is built to support growth and handle future demands.

User Experience & Interface Design

I prioritize intuitive, beautiful design to make sure your users enjoy every interaction. From wireframes to final visual details, I focus on creating smooth, accessible, and engaging interfaces that keep people coming back.

Code Optimization & Performance Tuning

I analyze and refine existing codebases to improve performance, reduce load times, and ensure better resource utilization. This results in faster, more stable apps and software that provide a superior user experience on all devices.

Ongoing Maintenance & Feature Enhancements

Beyond launch, I offer continuous support to keep your software secure, up to date, and evolving with your needs. Whether it's fixing bugs, adding new features, or optimizing performance, I make sure your product stays in top shape.

Testimonials

A truly talented software developer who brings fresh ideas and delivers high-quality results every time.

~ Simon

Emporium Timevault LLC

Always a pleasure working with you and your team everything is always done so thoroughly I appreciate all the work.

~ Kimmy

Snag A Date

HARMINDER SINGH is a true professional in every kind of way. His continued support and dedication to the assignment was 5 star.

I consider myself very lucky to have found such a brilliant Upwork contractor and will definitely keep giving HARMINDER SINGH work in the further. Without any hesitation I would recommend HARMINDER SINGH to potential employer, treat him with respect because this one is a keeper.

~ Stephan Engel

Prakt LLC

Amazing work! He is an outstanding web designer and overall great person! His work was exactly what I had asked for.

He helped me with every step in making design decisions. HIGHLY RECOMMEND! I cant wait till our next project together.

~ Eric Thompson

Free Legacy Tree

HARMINDER SINGH was extremely professional and designed my website to perfection. He is very prompt with his responses

and exceeded my website design expectations. I would highly recommend HARMINDER SINGH to complete your next project.

~ Ben Coppelman

MRKT

Provided all the work in tight deadlines according to instructions. Highly recommend him if you need quick work.

~ Francisco Lopez

Clientify

Tools

Resume

11+ years of experience

Education

2023-2024

Brunel University London (United Kingdom)

M.Sc. Business Management

Pursued a Master's in Business Management with a focus on strategic planning, leadership, marketing, financial management, and organizational behavior. Developed a deep understanding of global business environments and gained practical skills in project management, decision-making, and team collaboration through real-world case studies and group assignments.

2010-2014

Guru Nanak Dev Engineering College, Ludhiana

B.Tech, Computer Science & Engineering

Completed a Bachelor's in Computer Science and Engineering with in-depth study of programming languages, data structures, algorithms, operating systems, computer networks, and database management systems. Gained hands-on experience through coding labs, software development projects, and internships, building a solid technical foundation in software engineering and system design.

Experience

September 2020 - Present

Freelancer

Senior Software Developer (Web & Mobile)

Working as a full-time freelancer, delivering custom web and mobile app solutions for international clients across industries. Specializing in Flutter, React Native, and Laravel, with strong experience in UI/UX implementation, API integration, and cross-platform performance optimization. Managed full project life cycles, from gathering requirements to deployment and maintenance. Built 50+ mobile and web apps, many achieving 4.5+ star ratings and high user retention. Known for clear communication, timely delivery, and long-term client partnerships.

May 2014 - August 2020

Indi IT Solutions

Software Developer (Web & Mobile)

Worked as a Software Developer at Indi IT Solutions, contributing to multiple client projects across web and mobile platforms. Developed scalable applications using PHP (Laravel), JavaScript (React), and mobile technologies like Flutter and native Android. Integrated REST APIs, optimized code for performance, and ensured responsive designs. Played a key role in full-stack development, collaborating with cross-functional teams and supporting successful project delivery for enterprise clients. Gained hands-on experience in Agile workflows and version control systems like Git.

Other Experience

Art

Employing color-theory, drawing, painting and/or mixed media techniques to create imagery.

Design Skills

Using basic design elements (point, line, plane, shape, form, space and texture) and basic design concepts (balance, unity, variety, rhythm, harmony, contrast, dominance, movement, and appropriateness) to organize and convey information.

Conceptual Skills

Developing and analyzing ideas by conducting research and brainstorming to ensure design outcomes meet specific objectives. Persuasive Advertising and Brand Designers and Packaging Designers must demonstrate strong conceptual skills.

Conference Attended

ReactFoo Conference

August 4-5, 2018

Learned the implementation of React and other JS frameworks and mobile applications.
Learned from and network with peers from the industry.
Gained insights from case studies of practical implementation and evaluating ReactJS and React Native for work.
Programming better with React and React Native.

DevConf

January 19-20, 2018

The following is what I learned in details:

Agile
Machine Learning and AI
Developer tools/ debugging/ tracing
Design/UX
IoT/Mobile

Summit

8th Annual CSS Summit 2016

Discovered tips and techniques to improve CSS
Discovered techniques to keep it responsive and lean
Learned to create the best CSS and SaaS layouts through the experts

Designing Skills

Graphics

Photoshop

100%

illustrator

100%

FIGMA

100%

Mobile Apps skills

React Native

100%

Flutter

90%

Swift

90%

Android and IOS

100%

Mobile Advertisment

95%

(GEO) Location

100%

Socket.io (Real Time Chat)

100%

Coding Skills

Node.js

100%

Angular.js

95%

React.js

95%

Laravel

85%

Codeigniter

85%

Database and API Skills

MySQLi

85%

Mongo DB

100%

PostgreSQL

90%

Rest-API Payment API Gateways

95%

Google APIs

100%

DevOps Skills

SVN

90%

GitHub

100%

AWS

85%

Digital Ocean

95%

WHM

85%

Portfolio

Blog

My Diary

Getting in on the Business of User Interface!

1 Jan 2025

Contact

Get in Touch

Hello

What can I help you with?

Hire Me

HARMINDER SINGH

GET TO KNOW ME

11

18

700

10

100

100

What I Do

Custom Mobile App Development

End-to-End Software Development

Cross-Platform App Solutions

Product MVP Design & Launch

API & Microservices Architecture

Real-Time Systems & Features

Scalable Backend Development

User Experience & Interface Design

Code Optimization & Performance Tuning

Ongoing Maintenance & Feature Enhancements

Testimonials

Tools

Resume

11+ years of experience

Education

2023-2024

M.Sc. Business Management

2010-2014

B.Tech, Computer Science & Engineering

Experience

September 2020 - Present

Senior Software Developer (Web & Mobile)

May 2014 - August 2020

Software Developer (Web & Mobile)

Other Experience

Art

Design Skills

Conceptual Skills

Conference Attended

ReactFoo Conference

DevConf

Summit

Designing Skills

Graphics

Photoshop

illustrator

FIGMA

Mobile Apps skills

React Native

Flutter

Swift

Android and IOS

Mobile Advertisment

(GEO) Location

Socket.io (Real Time Chat)

Coding Skills

Node.js

Angular.js

React.js

Laravel

Codeigniter

Database and API Skills

MySQLi

Mongo DB

PostgreSQL

Rest-API Payment API Gateways

Google APIs

DevOps Skills

SVN

GitHub

AWS

Digital Ocean

WHM

Portfolio

My Works

Blog

My Diary

Getting in on the Business of User Interface!

UX Designing a New Path for your Life!

Exposing the Real Reasons Behind Marketing Backends!

The Requirement of Google Rank Tracking with API!