About BinaryFunction

We Build Software That Empowers Businesses

We build and improve software products for startups and businesses — web and mobile applications, APIs and integrations, and the ongoing engineering work that keeps them running.

Based in India — overlapping US mornings and EU afternoons

Our Story

BinaryFunction was born from a simple belief: that every business deserves access to world-class software development. What started as a freelance practice has grown into a full-service development agency serving clients across industries.

Our journey has been defined by continuous learning, adapting to new technologies, and most importantly, by the success of our clients. We've had the privilege of working with startups launching their first products and enterprises transforming their digital presence.

Today, we're proud to be a trusted partner for businesses looking to build exceptional software. Our team combines deep technical expertise with a genuine passion for solving complex problems.

How we use AI

AI is part of how we work — from the first brief to the last review — so we can move faster without skipping the parts that need a human.

Discovery and specs

We use AI to turn notes, tickets, and existing code into a first draft of the problem — so the team spends more time deciding what to build, not typing it up.

Build and review

AI helps with boilerplate, tests, and a second pass on pull requests. People still own architecture, edge cases, and what ships to production.

Quality, not a shortcut

We do not paste generated code we have not read. AI is a tool in the process, not a substitute for the people who will maintain the system.

Clients still get a named team, a clear process, and software we stand behind. AI just means less waiting on the busywork.

The people who build the apps

Years shipping web applications — architecture, product, and the unglamorous work of keeping systems in production.

Arun Agrawal

Senior Full-Stack Engineer & Rails Core Contributor

Ruby and Rails engineer with 14+ years building and maintaining production systems, and the DevOps to keep them running. A Rails core contributor and part of the open-source team at Ruby Central, where he helps keep RubyGems running.

Ruby
Ruby on Rails
DevOps
AWS (EKS/ECS)
Kubernetes / Docker
CI/CD
PostgreSQL / MySQL
Open Source

Rashmi Yadav

Senior Full-Stack Engineer

Full-stack Rails engineer with 14+ years building scalable web applications. Specialises in performance work, payments, and search — and in shipping products end to end, from schema to UI.

Ruby on Rails
GraphQL / REST APIs
React & React Native
Hotwire / Turbo
PostgreSQL
Elasticsearch
Sidekiq
Performance Tuning

Our Core Values

These principles guide everything we do, from how we approach projects to how we interact with clients and each other.

Practical technology choices

We choose technology based on the product's requirements rather than forcing every project into the same stack.

Collaboration

We believe the best results come from working closely with our clients, treating every project as a true partnership.

Quality-focused

We care about maintainable code, testing, performance, security, and reliable deployments.

Integrity

We operate with transparency and honesty, building trust through clear communication and reliable delivery.

Efficiency

We value your time and resources, delivering solutions that are not just effective but also optimized for performance.

Passion

We genuinely love what we do. That passion drives us to go above and beyond for every client and project.

Want to Work With Us?

We're always looking for new challenges and opportunities to create something amazing together.