We build the software your business runs on

From SaaS platforms and internal systems to mobile applications, integrations and AI-enabled products, we bring product strategy, UX/UI design and experienced engineering together around one clear delivery process.

Brainiac Healthcare work
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Most software problems are planning problems that showed up late.​

The system was fine at 200 users. At 2,000 it started timing out. The integration that took a week to build now eats three days a month. And the one person who understood how it all fit together left in March. That’s what happens when software gets built feature by feature, with nobody thinking about the whole thing first.

Five situations we see a lot:
Your Software/Website/Application have hit their limit.

A spreadsheet, three SaaS subscriptions, and a Zapier chain are holding a core process together. Every new customer makes it worse.

1
Your engineers have no room.

They're spending their time keeping what exists alive. The roadmap item that would actually make money has been "next quarter" for three quarters.

2
The last build left code nobody can touch.

No docs, no tests, no record of why anything was built that way. Every small change turns into a negotiation.

3
You're building something genuinely hard.

Real-time systems, financial workflows, connected devices, AI functionality, third-party integrations or data-sensitive applications require careful product and technical planning.

4
Your existing software needs to evolve.

An important system has become difficult to maintain, extend or integrate with the rest of the business.

5
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End-to-end digital solutions for modern businesses.

From mobile apps to AI agents, cloud infrastructure to custom platforms – we engineer the technology your business runs on.

Custom software

We craft tailored, high-performance software that optimizes workflows, boosts efficiency, and scales effortlessly with your business needs.

App development

We develop high-performance apps with stunning UI/UX, smooth functionality, and seamless cross-platform compatibility for iOS and Android.

AI solutions

Does your business need automated processes? We build production-grade AI agents, voice systems, and intelligent workflows that deliver real results.

Cloud services

We deliver secure cloud migration, scalable cloud architecture, serverless applications, and DevOps automation to accelerate digital transformation.

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Custom software for products, operations and growth.

01

Custom Web Applications

Web-based software designed around your workflows, users and business requirements – from customer portals to complex operational platforms.

02

SaaS Platforms

Customer-facing SaaS products with onboarding, user roles, subscriptions, dashboards, administration and the systems required to operate the product.

03

Internal Tools & Business Systems

Custom CRM, operations, reporting, workflow and management systems that replace fragmented processes and repetitive manual work.

04

Mobile Applications

Mobile experiences for customers, employees or connected products, designed around the actual use case rather than simply reproducing a web application on a smaller screen.

05

System Integrations & APIs

Connections between existing platforms, third-party services, databases and business systems so information can move reliably between them.

06

Custom Web Applications

AI capabilities integrated where they solve a defined product or operational problem—from intelligent workflows and assistants to voice, scoring and process automation.

07

Legacy Software Modernization

Improve or rebuild ageing systems without unnecessarily replacing everything at once. We assess what should stay, what should change and how the transition can happen safely.

01

Custom Web Applications

Web-based software designed around your workflows, users and business requirements – from customer portals to complex operational platforms.

2

SaaS Platforms

Customer-facing SaaS products with onboarding, user roles, subscriptions, dashboards, administration and the systems required to operate the product.

3

Internal Tools & Business Systems

Custom CRM, operations, reporting, workflow and management systems that replace fragmented processes and repetitive manual work.

4

Mobile Applications

Mobile experiences for customers, employees or connected products, designed around the actual use case rather than simply reproducing a web application on a smaller screen.

5

System Integrations & APIs

Connections between existing platforms, third-party services, databases and business systems so information can move reliably between them.

6

Custom Web Applications

AI capabilities integrated where they solve a defined product or operational problem—from intelligent workflows and assistants to voice, scoring and process automation.

7

Legacy Software Modernization

Improve or rebuild ageing systems without unnecessarily replacing everything at once. We assess what should stay, what should change and how the transition can happen safely.

Domain expertise that reduces your learning curve.

We’ve built production products across these industries. We understand the regulations, user expectations, and technical constraints before we write a single line of code.

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Banking & Fintech

Financial workflows, dashboards, integrations, Payment gateways, UPI and netbanking rails, banking APIs, reconciliation. Things that have to be right every single time.
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Healthcare

Privacy planned in from the first commit. Health portals, patient management systems, telemedicine platforms, medical device integration, live clinical video, and HIPAA-conscious architectures.

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SaaS & B2B Platforms

Multi-tenant platforms, subscription billing, role-based access, admin dashboards, onboarding and operational workflows – the full software-as-a-service infrastructure.
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EdTech

Building an EdTech platform to transform education? We help you build it at scale – learning management, assessments, and interactive content delivery.
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IoT & Connected Products

Applications connecting physical devices with dashboards, real-time data pipelines, streaming platforms, and monitoring systems that process data as it happens.
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AI Products

Voice systems, scoring engines, content generation, agent workflows, automation, analysis or intelligent decision support – built to be fast and affordable to run, not just accurate.

Our capability isn’t limited to these categories – the technical approach is shaped by what the product actually needs.

Strategy, design, and engineering in one engagement.

01

Product Strategy

Before deciding what to build, we understand what the software needs to accomplish for the business and its users.

Typical scope:

02

UI/UX Design

We turn the requirements into clear workflows and interfaces before significant development begins.

Typical scope:

03

Software Engineering

Once the product direction and technical requirements are clear, the appropriate engineering capability is brought into the project.

Typical scope:

From business problem to working software.

Discovery & Requirements
We understand the business problem, users, existing systems, requirements and constraints. The objective is to determine what actually needs to be built before committing to a solution.
1
Scope & Technical Planning

We define the product scope, workflows, integrations, technical requirements and appropriate delivery approach.

2
UI/UX Design & Prototyping
Important user journeys are designed through flows, interfaces and prototypes before significant development begins.
3
Development

The product is developed in structured iterations with regular reviews and visibility into progress.

4
Testing & Quality Assurance
Functionality, integrations, usability and relevant technical requirements are tested before release.
5
Launch & Handover
The product is prepared for production, deployed and documented according to the agreed engagement. You get the keys to everything.
6
Ongoing Development
Where required, we continue supporting improvements, new functionality, optimization and future product development after launch.
7

We don't recommend a technology because it happens to be the technology we want to sell.

The technology stack is determined by the product requirements, existing infrastructure, integrations, expected scale, security requirements, maintainability and future development needs. Depending on the project, our engineering capability can cover:

Frontend

React.js

Next.js

Angular.js

Vue.js

TypeScript

JavaScript

CSS

HTML

Modern web frameworks

Backend

Node.js

Express.js

Python

Java

.Net

Mobile

React Native

Flutter

Databases

PostgreSQL

MongoDB

Redis

MySQL

MSSQL

Cloud & Infrastructure

AWS

Docker

Azure

Google Cloud Platform

Containerised environments

CI/CD

Real-Time & Integrations

Socket.IO

APIs

WebSockets

WebRTC

Wowza

Pipecat

Third-party integrations

The final architecture and technology stack are confirmed during technical planning.

Security is a design choice, not a checklist at the end.

The appropriate security and privacy requirements depend on what the product does, the information it handles and the environments it connects to. We identify these requirements early so they can influence architecture, permissions, authentication, data handling, integrations and infrastructure.

Depending on the project, this can include:

Specific compliance requirements GDPR, SOC 2–aligned practices, HIPAA aware handling are defined and agreed during project planning, based on your industry and data.

Our Success Stories in Custom Software Solutions

See how we transform workflows, boost performance, and unlock growth with software designed specifically for unique business requirements.

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AI-Powered Platform

InterviewPulse - AI Voice Interview Platform

Solo-built SaaS product with real-time voice AI pipeline. Users speak answers, AI transcribes, asks follow-ups, and scores on clarity, depth, and confidence. Full-stack microservices architecture with 3 Docker containers.

Live

In Production

3-Container

In Production

<$0.17

In Production

React
Node.js
Python
WebRTC
MongoDB
Redis
AWS
Pipecat
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Fintech & Payments

Digital Payments Platform for a Leading Securities Firm

Built the complete UPI payment backbone – TPAP, Intent, and Collect flows across web and mobile. Handles all payment processing with 99.9% uptime for a major financial institution.

30K+

Monthly TXNS

₹50Cr+

Investments

99.9%

Uptime

Node.js
TypeScript
MySQL
Razorpay
UPI
Express
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Cloud-Native Migration

NextGen KYC Platform - Legacy to Cloud-Native

Migrated an aging KYC onboarding platform to a modern cloud-native solution. Built 25+ APIs for identity verification – PAN checks, selfie capture, liveness detection, document uploads.

25+

APIs Built

99.5%

Uptime

Cloud

Native

Node.js
MySQL
AWS Lambda
S3
Express
TypeScript
Intergo
HR Tech

Embark - New Hire Onboarding Platform

Digital onboarding platform for a US startup with deep calendar integrations, meeting scheduling, agenda management, and a custom subscription management system shared across products.

Full

Calendar Sync

Custom

Billing System

Real-Time

Updates

Node.js
Express
MongoDB
Socket.IO
Google APIs
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IoT & Real-Time

IoT Device Management Dashboard for Global US Companies

Built centralized web portals for US-based companies to track, control, and operate physically distributed IoT devices. Multiple dashboards with real-time data pipelines and device monitoring.

Multi

Dashboard

Real-Time

Device Control

US

Global Clients

Node.js
Express
WebSockets
React
AWS EC2
CloudFront
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HealthTech

Wireless Vision System for Endoscopy Procedures

Real-time wireless streaming system for surgeons during endoscopy. Stream live video from medical devices to a web dashboard with patient records management and recording downloads.

<200ms

Latency

100%

Wireless

Live

Streaming

Node.js
Express
AWS EC2
CloudFront
WebSockets
Wowza
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What our clients say

Real results from B2B tech founders and teams we’ve worked with.

“Dharmik is one of those rare engineers who combines deep domain expertise with true ownership. His understanding of fintech systems – payment rails, mandate flows, API contracts – is exceptional.”

Tathagata Roy Chowdhury

Product @ Kotak Neo | Ex-Paytm

“StarkSouk delivered a modern, functional website on time, exceeding expectations. The team managed the project efficiently and incorporated the latest industry trends.”

Bhavika Patel

Founder, KP Smart Engineering Solutions

“He is a skilled and dependable software developer with strong problem-solving abilities. I have worked with him on multiple projects — he has always been dedicated and delivers quality.”

Diwakar Mishra

DVP Mutual Funds & Wealth at Kotak Neo

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The sweet spot between product clarity and engineering depth.

Product thinking before engineering starts. Software development is only one part of building a useful product. StarkSouk brings together business understanding, product strategy, UI/UX design and engineering delivery so the decisions made before development are connected to what eventually gets built.

01

We define before we develop.

The goal isn’t to turn a feature list into code. We work through the business problem, users, and requirements before development begins.

02

Design and engineering are connected.

UX/UI is developed with implementation in mind, reducing the disconnect that often happens when product design and development are handled independently.

03

Engineering fits the project.

We work with an experienced, long-term software engineering partner and bring in additional specialists where the technical requirements call for them. That gives us the flexibility to assemble the right engineering capability without forcing every product into the same fixed team or technology stack.

04

You know what is being built.

Scope, responsibilities, major technical decisions, and delivery expectations are documented, so you have visibility throughout the engagement.

05

Your product is not dependent on us.

For full product engagements, ownership, documentation and handover requirements are established from the beginning so the software can continue to be maintained and developed without depending indefinitely on StarkSouk.

We’ve built things where failure costs money. Payment rails carrying over ₹ 50Cr in investments. KYC identity checks across 25+ APIs. Video streaming under 200ms latency, used during live endoscopy. Regulated, real-time, real money – not portfolio pieces.

Three ways to work with us - the right one depends on what you already have.

01

End-to-end product development

For companies that need support from discovery and product definition through UX/UI, engineering, testing and launch.

Best for:

Businesses with a product opportunity or operational problem that need a team to take it from requirements to working software.

02

Defined development project

For clearly scoped functionality, platforms, integrations, or modernization projects with defined deliverables.

Best for:

Businesses that already understand what needs to be built and need the appropriate product and engineering capability to deliver it.

03

Product & engineering support

For companies with an existing product or internal team that need additional strategy, UX/UI, or engineering capability.

Best for:

Businesses that already have part of the team or product in place but need additional expertise or delivery capacity.

What it costs: Custom software projects start at $2500. Send us what you need and we’ll come back with a scope, a timeline, and a fixed price.

Three ways to work with us - the right one depends on what you already have.

01

End-to-end product development

For companies that need support from discovery and product definition through UX/UI, engineering, testing and launch.

Best for:

Businesses with a product opportunity or operational problem that need a team to take it from requirements to working software.

02

Defined development project

For clearly scoped functionality, platforms, integrations, or modernization projects with defined deliverables.

Best for:

Businesses that already understand what needs to be built and need the appropriate product and engineering capability to deliver it.

03

Product & engineering support

For companies with an existing product or internal team that need additional strategy, UX/UI, or engineering capability.

Best for:

Businesses that already have part of the team or product in place but need additional expertise or delivery capacity.

What it costs: Custom software projects start at $2500. Send us what you need and we’ll come back with a scope, a timeline, and a fixed price.

One accountable product journey.

StarkSouk leads product strategy, UX/UI design, client communication and overall delivery.

 

Software engineering is delivered together with our long-term engineering partner and, where required, additional specialists selected around the technical needs of the project.

 

You work through one coordinated engagement with clearly defined responsibilities, communication and delivery ownership.

Before development begins, you know:

If the scope changes, its impact on timeline, deliverables and commercial terms is agreed before the additional work begins.

Common questions.

Custom software development is the process of designing, building, and maintaining software applications specifically tailored to your business needs – unlike off-the-shelf solutions that serve everyone the same way. It’s built around your workflows, your users, and your growth goals.

Both. Many engagements start as a focused first version, scoped tightly enough to test the idea with real users with a clear plan for what comes next if it works. The scope and architecture are determined according to what the business needs to prove or accomplish.

Depends on complexity. A focused first version ships in 8–12 weeks; bigger platforms with lots of integrations usually run 3–6 months. We work in two-week sprints, so you see something working every fortnight. We provide a project-specific timeline after discovery and technical planning rather than applying the same timeline to every project.
Projects start at $2500. Final price depends on scope, integrations, technical complexity, design requirements, infrastructure, delivery model and compliance needs. Send us what you need and we’ll come back with a scope and a fixed price.
The change is reviewed for its impact on deliverables, timeline and cost. Any resulting adjustment is agreed before the additional work begins. No surprise invoices.
React, Next.js, Node.js, TypeScript, Python, React Native, PostgreSQL, MongoDB, Redis, AWS, Docker, WebRTC – chosen based on what your system needs, not what’s popular right now.
Yes. The project structure, team and responsibilities are established as part of the engagement. The exact engineering team depends on the technology, complexity and scale of the product.
StarkSouk leads product strategy, UX/UI design, client communication and overall delivery. Software engineering is delivered with our long-term engineering partner and additional specialists where required by the project.
Yes. Ownership, source code, infrastructure access, third-party licenses, and handover requirements are defined clearly in the engagement agreement before development begins. Our standard approach is to hand over the agreed project assets and source code, subject to the contract and any third-party technologies used.
Yes. We first review the existing product, technology, documentation, and objectives before recommending whether to improve, modernize, or rebuild specific parts.
Yes, as a full build or as extra hands on what you already have.
Security is embedded from day one, not bolted on after. We follow OWASP Top 10, implement TLS 1.3 and AES-256 encryption, use OAuth 2.0/JWT authentication, perform code reviews, dependency scanning, and adhere to GDPR and SOC 2 best practices.
Yes. Every project includes a post-launch support period for bug fixes and stability. Beyond that, we offer ongoing maintenance retainers for performance tuning, feature iterations, and scaling infrastructure as your user base grows.

We’re strategy-first. Before writing code, we understand your business, your users, and your competitive landscape. This means the software we build isn’t just functional, it’s aligned with your positioning and growth goals. Plus, as a B2B tech specialist, we bring domain expertise that generalist shops don’t have.

Common questions.

Custom software development is the process of designing, building, and maintaining software applications specifically tailored to your business needs – unlike off-the-shelf solutions that serve everyone the same way. It’s built around your workflows, your users, and your growth goals.

Both. Many engagements start as a focused first version, scoped tightly enough to test the idea with real users with a clear plan for what comes next if it works. The scope and architecture are determined according to what the business needs to prove or accomplish.

Depends on complexity. A focused first version ships in 8–12 weeks; bigger platforms with lots of integrations usually run 3–6 months. We work in two-week sprints, so you see something working every fortnight. We provide a project-specific timeline after discovery and technical planning rather than applying the same timeline to every project.
Projects start at $2500. Final price depends on scope, integrations, technical complexity, design requirements, infrastructure, delivery model and compliance needs. Send us what you need and we’ll come back with a scope and a fixed price.
The change is reviewed for its impact on deliverables, timeline and cost. Any resulting adjustment is agreed before the additional work begins. No surprise invoices.
React, Next.js, Node.js, TypeScript, Python, React Native, PostgreSQL, MongoDB, Redis, AWS, Docker, WebRTC – chosen based on what your system needs, not what’s popular right now.
Yes. The project structure, team and responsibilities are established as part of the engagement. The exact engineering team depends on the technology, complexity and scale of the product.
StarkSouk leads product strategy, UX/UI design, client communication and overall delivery. Software engineering is delivered with our long-term engineering partner and additional specialists where required by the project.
Yes. Ownership, source code, infrastructure access, third-party licenses, and handover requirements are defined clearly in the engagement agreement before development begins. Our standard approach is to hand over the agreed project assets and source code, subject to the contract and any third-party technologies used.
Yes. We first review the existing product, technology, documentation, and objectives before recommending whether to improve, modernize, or rebuild specific parts.
Yes, as a full build or as extra hands on what you already have.
Security is embedded from day one, not bolted on after. We follow OWASP Top 10, implement TLS 1.3 and AES-256 encryption, use OAuth 2.0/JWT authentication, perform code reviews, dependency scanning, and adhere to GDPR and SOC 2 best practices.
Yes. Every project includes a post-launch support period for bug fixes and stability. Beyond that, we offer ongoing maintenance retainers for performance tuning, feature iterations, and scaling infrastructure as your user base grows.

We’re strategy-first. Before writing code, we understand your business, your users, and your competitive landscape. This means the software we build isn’t just functional, it’s aligned with your positioning and growth goals. Plus, as a B2B tech specialist, we bring domain expertise that generalist shops don’t have.

Start Planning Your Custom Software with a Quote

A 30-minute call. We map the problem, point out the risks, and give you an honest read on scope and cost - whether or not you hire us.

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