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.
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.
PoC & MVP development
Transform promising concepts into working solutions that prove market fit through rapid iteration and user validation.
Mobile development
Create powerful cross-platform applications with our dedicated mobile teams that improve your existing products or build new solutions from scratch.
Back-end development
Develop robust server-side architecture with our engineering teams who create scalable, secure foundations that power your business applications and handle complex operations.
Front-end development
Build intuitive, responsive user interfaces with our front-end experts who transform designs into engaging digital experiences that captivate users and drive conversions.
Cloud app development
Create cloud-native applications that leverage the full potential of modern cloud infrastructure
DevOps services
Optimize your software delivery lifecycle with integrated DevOps practices that minimize manual intervention and maximize deployment reliability.
Big Data & analytics
Implement powerful data analytics to generate actionable business insights and monitor performance.
UX/UI design
Craft intuitive user interfaces that improve user engagement and drive business objectives.
AI development
Enhance products with artificial intelligence and machine learning for smarter, adaptive solutions.
Internet of Things
Build complete IoT ecosystems from scratch, leveraging our proven development experience.
QA as a service
Access flexible, on-demand quality assurance at any stage of your product development cycle.
Software development consulting
Optimize processes and technology stacks to build better products faster and more efficiently.
What Our Clients Say
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.
John Busch
CEO & Founder,
at ILIAD
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.
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.
We accelerate growth with expert team scaling that adapts to your unique needs while maintaining quality and momentum.
We create custom enterprise solutions built for scale and performance, leveraging proven technologies to optimize your business.
We deliver specialized software for healthcare, energy sector, manufacturing and beyond, helping you innovate in your niche, streamline operations, and secure competitive advantage.
Technology Stack
We offer an extensive tech stack tailored to your specific business needs. Our experts select the optimal mix of languages, frameworks, and innovations to ensure your product's performance, scalability, and long-term success.
Domain-Specific Software Development: Industries We Serve
Healthcare
Secure solutions with robust data protection, IoT integration, and streamlined patient management to boost efficiency, revenue, and patient experience.
Transportation and logistics
End-to-end systems for process automation, real-time tracking, route optimization, and improved operations that enhance competitive advantage.
Renewable energy
Solutions for optimized energy generation, storage, and distribution with asset monitoring, predictive maintenance, and smart grid integration.
Digital transformation
Specialized software solutions for streamlined operations, cloud migration, cost reduction, and administrative burden elimination to accelerate innovation and digital growth.
Startups
Flexible, scalable infrastructure for evolving business needs from concept to market expansion, allowing complete focus on customer acquisition and revenue growth.
Manufacturing
Robust software systems with technical debt reduction, enhanced code quality, and strategic UX improvements.
Why Choose Techstack
Discover the Techstack experience: a custom development company, where technical excellence meets genuine passion for impactful software.
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.
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.
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.
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 Engagement Model: Time & Materials
We collaborate with partners using a Time & Materials (T&M) model designed specifically for dynamic, evolving product development.
Accelerated start
Begin development without lengthy specification phases
Scalable teams
Adjust team size based on current needs and budget
Full transparency
Maintain visibility into development progress and activities
Operational agility
Avoid delays from change requests or contract amendments
Budgeting flexibility
Adjust scope and resources to meet shifting goals
Collaborative focus
Optimize for quality and impact, not just cost
Fair billing
Pay only for actual time worked with no hidden costs
Real-time reporting
Get updates on velocity, deliverables, and budget
How We Work: Roles and Responsibilities
At Techstack, we bring your vision to life through adaptive, transparent collaboration.
What we do
Talent & team management
Source qualified engineers and handle employment logistics
Technical delivery
Execute development, ensure quality, and provide technical support
Reporting & tracking
Log hours accurately and deliver utilization reports
Leadership & knowledge
Support team coordination, growth, and maintain continuity during transitions
Scaling & best practices
Adapt team size and follow engineering best practices
What you do
Product ownership
Define vision, goals, and manage the roadmap
Active collaboration
Participate in sprints, provide feedback, and guide on product questions
Governance
Manage budget, approve invoices, and establish frameworks
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
Request a Quote
Anton Ivanchenko
Business Development Manager
Discover how our solutions can transform your business challenges into opportunities. Let's discuss how we can make that happen.
What’s Next?
01
Get a confirmation email within 12 hours
02
Meet with Anton to explore your opportunities
Related Articles
FAQ
Why choose Techstack for custom software development?
Our experts work closely with your team to ensure the software solution meets your unique business needs. We are committed to delivering scalable quality products.
Our developers are always up-to-date on the latest technology trends, so you can be confident that your solution will be built using the best possible tools and techniques. As a result, you can focus on running your business while we provide customized software development services and handle the development process as your trusted custom application software development company.
How does Techstack enhance the professional development of engineers?
At our custom programming company, we believe that by investing in the professional development of team members,
we create a more productive and satisfied workforce. At our custom software application development company, we have a Tech Experts program that offers a custom growth roadmap. It focuses on improving technical skills, expanding knowledge horizons, and deepening understanding of the latest industry trends for each team member. Through these resources, our full-stack engineers can maintain a high level of proficiency.
How do you ensure IP protection during custom product development?
We follow best practices for providing custom software application development services and have a comprehensive security program
to protect our partners' intellectual property (IPs). Our team is trained on security protocols, and we work with our clients to ensure their confidential information is protected throughout the project lifecycle. We also have strict non-disclosure agreements (NDAs) in place with all of our team members, contractors, and vendors to prevent unauthorized disclosure of confidential information while providing custom software programming services.
Why choose Techstack for enterprise custom development?
Our custom software development agency helps enterprises become more efficient and effective in their operations.
We offer a wide range of custom software services, including consultancy, that helps enterprises automate their processes, enhance communication within the company, and ensure seamless integration of an enterprise mobile application. We provide one-stop custom software development solutions for all your enterprise needs, and we are dedicated to helping you succeed.
What are the main steps of our custom software design and development process?
Software development is a process of creating, designing, testing, and maintaining web & mobile apps.
The software custom development process is a bit different from the traditional one, as it is tailored according to the client's specific needs. In this type of development, a team of custom software programmers and other experts works closely with the partner to understand their requirements and develop a solution that fits their needs. Then, we set up a team and processes to deliver the custom solution. At our custom business software development company, we seamlessly monitor the product and team’s health weekly within a unique framework and analyze problem zones to drive a constant improvement process.