Custom Software Development Services

Amplify your business potential with custom software development solutions. We combine technical excellence with strategic partnership to build applications that drive growth.

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Custom Development Services We Provide

We are a custom software development provider, serving businesses of all sizes. Our focus remains consistent: top-tier performance, innovative team culture, and exceptional product quality.

What Our Clients Say

We wanted a partnership with a company which we could build a solid foundation with and work together. Techstack was our solution. They are a cut above any other tech suppliers we've worked with.

Read Clutch Review

Darren Cody

CPO,

Bunking

What I liked most about working with Techstack was their seamless teamwork and deep technical competence. Their experience in building world-class apps was evident in every phase of development, from ideation to execution. They collaborated with our team effortlessly, feeling like an extension of our own staff. Techstack's commitment to excellence truly sets them apart.

Read GoodFirms Review

John Busch

CEO & Founder,

at ILIAD

Techstack Ltd kept the uptime and the customers happy. The team was highly competent, proactive, and efficient, excelling for their technical and thought leadership.

Read Clutch Review

Mark Beare

Former VP of Research & Development,

Corel Corporation

Techstack’s Mastery in Custom Software Development

Our track record speaks for itself. We deliver tailored software solutions across industries that exceed expectations and solve real business challenges.

From MVP to unicorn

Our 8-year ongoing partnership catapulted a simple MVP into a unicorn company’s success: a testament to our ability to build solutions that drive exceptional growth.

Five-star excellence

We consistently earn top Clutch ratings through on-time delivery, transparent communication, and technical expertise that clients recognize and value.

Cross-domain knowledge

Our tech experts bring hands-on experience from manufacturing, business management, and diverse industries, enriching your project with practical insights.

Excellence-driven culture

Our unique engineering culture and quality standards shape everything we build. From code reviews to automated testing, we bring excellence into every line of code and feature we deliver.

Success Stories: Case Studies
by Techstack

Explore real-world success stories showcasing the impact of our custom software product development services.

Personalized social reading app for book lovers

Entertainment

United States

A US-based company needed to quickly validate their social reading platform concept. In just six months, we developed a visually stunning, high-performance app that engages readers with personalized recommendations and interactive features while ensuring seamless scalability for future growth.

Developed a cross-platform mobile app with virtual bookshelves and smooth animations

Built an AWS serverless architecture that minimizes costs during low-traffic periods

Integrated OpenAI-powered recommendation engine for personalized book suggestions

Created smart caching for book data to overcome API rate limitations

Implemented analytics through Amplitude and Sentry for data-driven improvements

Computer vision for solar panel quality control

Energy

United States

A New York solar panel manufacturer needed to replace error-prone manual inspections with automated quality control. We delivered a computer vision system that achieves sub-millimeter measurement precision, dramatically improving quality while reducing costs and increasing production efficiency.

Created an adaptive positioning algorithm that locates panels regardless of image position

Implemented advanced processing techniques to handle blur, noise, and complex backgrounds

Developed high-precision measurements using Hough Line Transform for edge detection

Built real-time alerting for immediate production response to detected defects

Designed companion software for statistical analysis and visualization of quality data

Custom Software Development for Your Product

Techstack is a community of 180+ engineers dedicated to solutions that bring value. We deliver exceptional products that drive business results while delivering exceptional user experience.

Product MVP development

We turn ideas into market-ready MVPs through user research, feedback-driven prototyping, and focused development tailored specifically for business validation and market fit testing.

Scaling software teams

We accelerate growth with expert team scaling that adapts to your unique needs while maintaining quality and momentum.

Enterprise software development

We create custom enterprise solutions built for scale and performance, leveraging proven technologies to optimize your business.

Industry-specific solutions

We deliver specialized software for healthcare, energy sector, manufacturing and beyond, helping you innovate in your niche, streamline operations, and secure competitive advantage.

Why Choose Techstack

Discover the Techstack experience: a custom development company, where technical excellence meets genuine passion for impactful software.

Tech community

We foster a collaborative environment where development is more than work: it's an opportunity to create, improve, and contribute meaningfully to products and the world around us.

Product ownership

Our custom software development firm takes genuine ownership of your product's success. We look beyond individual tasks to consider the broader impact on your entire solution, ensuring cohesive, thoughtful development.

Proven expertise

Our professionals validate their skills through global certifications including Microsoft .NET, AWS, Google Cloud, ISTQB, KAT, PSM1 by Scrum.org, and CSPO by Scrum Alliance.

Continuous innovation

We stay at the forefront of technology trends, regularly investing in R&D, knowledge sharing, and professional development to bring fresh perspectives and cutting-edge solutions to your projects.

Custom Software Development Leading Experts

Oleksii Svystun

CTO, Software Architect,
Elaborates on the technology strategy

Yevhenii Karachevtsev

R&D Engineer, Software Engineering Lead
Specializes in custom software solutions

Vitalii Dolotov

Sr. Director of Quality Engineering
Oversees technology-related initiatives

Ivan Yeremenko

VP of Engineering
Leads full-stack development and microservices strategy

Dmytro Dytiuk

Chief Creative Officer
Aligns UX with users' needs / business goals

Danylo Tolmachov

Head of Software Engineering
Coordinates cross-team delivery

Our Tailored Collaboration Models

Choose an engagement model based on your team structure and management preferences. Not sure which option fits your needs? Our experts will guide you to the right solution.

Team augmentation

Our experts join your team under your management

You participate in candidate selection

Our engineers integrate with your workflow

Flexible engagement options and scaling (0.25-1.0 FTE)

Engineers share expertise and best practices with your team

Pay only for actual work completed

Managed service

We handle your entire software project from start to finish

Full-cycle development from requirements analysis to deployment

Comprehensive project management and quality assurance

Strategic guidance for product scalability and growth

Clear documentation and knowledge transfer

Time and materials billing based on actual work done

Custom Software Development Process

Your product journey at our custom software development company follows these key phases, each designed to maximize value and ensure quality.

01

Discovery

We thoroughly analyze your business context to build tailored solutions—from user research and feature mapping for new products to technical audits and debt reduction strategies for existing applications.

02

Planning & architecture

We design a comprehensive technical roadmap and system architecture that provides scalability, security, and alignment with your business goals.

03

Development

Our engineers implement your solution using efficient coding practices, regular code reviews, and continuous integration to ensure quality at every step.

04

Quality assurance

We conduct rigorous testing across multiple environments and scenarios to identify and resolve issues before they impact your users.

05

Deployment

We manage smooth, controlled releases with proper documentation, monitoring, and fallback procedures to ensure seamless implementation.

06

Maintenance & evolution

After launch, we provide ongoing support, performance monitoring, and strategic enhancements to keep your software competitive and effective.

Software Development Methodologies Aligned with Your Goals

As a custom software product development company, we adapt our approach to fit your product needs and business goals.

Agile

Flexible, iterative approach with continuous client feedback, ideal for projects with evolving requirements or market conditions.

Scrum

Time-boxed sprints with daily standups and clear roles, perfect for complex projects requiring regular delivery milestones

Waterfall

Sequential, structured workflow with comprehensive documentation, suited for projects with stable, well-defined requirements

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Artem Marynych

Business Development Manager

Discover how our solutions can transform your business challenges into opportunities. Let's discuss how we can make that happen.

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What’s Next?

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