Custom Software Development Services

Whether you need software that is the business or a system that keeps the business running, we build both. As a custom software development company, *instinctools brings 25+ years of designing long-term, resilient solutions across industries and challenges, with care for compliance, security, and the future that follows launch.

Custom software development for digital products

When a tech product is the lifeblood of your business, standing out isn’t a choice becomes the cost of market entry. Our team delivers custom software development solutions with a competitive moat, either purely technical or deeply strategic, supporting startups launching new products and established companies enhancing their portfolios.

You don’t have to mount a full-court press just to see if your product idea is feasible, to gauge the cost of full-scale implementation, or to pitch to investors. At our custom software development firm, you can crash-test your venture with a fairly realistic, lean prototype, which we ship in a matter of days, thanks to AI-assisted tools.

Tap our custom software engineering services to develop a Minimum Viable Product that’s robust enough to prove the demand and flexible enough to evolve with real user feedback. In under 12 weeks, our developers build barebones MVPs that help you validate product-market fit, attract early users, and scale from MVP to v1 with zero tech debt. 

At *instinctools, we don’t just throw code over the fence and call it a day. Our custom software development company knows the end-to-end product journey inside out and this deep understanding comes from delivering 650+ products, both for ourselves and for our clients. From product discovery to product evolution, our development team locks in with your project, making sure you get it delivered exactly how you envision it.

Consistent product upkeep isn’t just a “one sysadmin and done” kind of deal, it’s as integral as building the product in the first place. Our product support strategy covers every aspect of post-launch, from a multi-tier incident resolution pipeline and product KPI analysis to a proactive product enhancement roadmap.

Fully tailored software products that go beyond
the Definition of Done

Why *instinctools
Increase speed to market

01

Reduce development cost

02

Assure information security

03

Get high-quality software

04

Scale team up and down

05

Custom software development for enterprise automation

For an enterprise, out-of-the-box software is often the path of least resistance, and we get it. But in some cases, no amount of connectors or custom integrations can make platform-based software fully mold to your business tasks and we’ve seen this scenario play out time and again for our enterprise clients.

You have specific workflows that off-the-shelf tools can’t handle

A business needs to comply with specialized regulatory requirements, double down on accessibility features, or enforce strict internal policies, but the progress is bogged down by the constraints of platform-based software. At the end of the day, the choice is between custom software development solutions and trying to force-fit your complex needs into generic platforms, each with its own trade-off.

Your security or data handling needs are strict

Custom data classification, retention, and handling policies are much of a stretch to implement fully in ready-made solutions. Also, platform-based setups put businesses at the mercy of the vendor’s security update schedule, something that healthcare, fintech, or other heavily-regulated businesses cannot afford.

SaaS becomes too expensive at scale

A fair share of companies convert to custom software application development services once they realize that their subscription bill will or is already exceeding the costs of building from scratch. The notoriously ‘cost-effective’ per-user price grows with headcount, which works fine for a group of about 40 users, but becomes another TCO overhead when you’re in an active scaling mode. 

You need full control over your system’s evolution

Provider-owned solutions can end up disrupting business operations overnight by suddenly changing direction or sunsetting features without warning. Custom software development gives you the peace of mind that your technology will always follow your business vision, whether it’s updates, feature enhancements, or new integrations.

At *instinctools, custom software is fully understood, expertly delivered

Certified to the highest ISO standards

Here’s what you gain by going custom

When you opt for custom enterprise software development, instead of buying a tech solution, you’re investing in complete alignment between your technology and your business. Every dollar goes into developing exactly what your business needs.

Freedom to choose your tech stack

By tying your solution to a proprietary platform, you also tie yourself to its rules and limited talent ecosystem, forcing you to hire only vendor-approved (and often expensive) specialists. With custom software services, you can opt for open, widely adopted technologies, tap into a broader talent pool, and reduce costs dramatically, all while building the exact same functionality without platform restrictions.

Independence from vendor roadmaps

With custom software product development services, you call the shots, regardless of someone else’s licensing terms, certification requirements, and rigid release cycles. A custom product evolves on your terms, at your pace, and in line with your architecture choices, be it niche APIs or hybrid cloud environments.

Modernization on your schedule

You get to decide what, when, and how to modernize your tech estate, replacing forced upgrades and disruptive downtimes with a strategy of your own design. More importantly, custom software solutions contribute a healthier tech stack that doesn’t snowball into massive tech debt on your IT balance sheets.

Pain-free scalability as your business grows

When you make the “build” decision, our custom software development agency designs a snug-fit architecture that’s set up for the potential load, multi-region deployments, and future integrations from day one. We keep your system reasonably modularized, so new features, services, or users can be added without redressing the existing functionality.

Made-to-fit security

From detailed audit logging and incident response protocols to automated threat detection, custom software development solutions are built to meet your specific data protection needs. Every component, from databases to SDKs, is configured and documented according to your regulatory requirements, giving auditors a clear, traceable path for compliance checks.

Competitive edge

Custom software gives you capabilities your competitors can’t copy-paste from a marketplace. Unique logic, algorithms, data pipelines, and other elements compound into your operational advantage – one that can be implemented at the pace your customers or your business demand.

Long-term support

No generic support tickets or hoping for someone else’s patches. Custom software developers are in the long haul with your system. Every feature update, security enhancement, and performance optimization is implemented according to your product’s roadmap.

You won’t find a competitive advantage on a shelf, go custom

Awards and recognition

Our custom software development non-negotiables

We know custom software is a serious investment, so we treat it with the same commitment as you do. At our custom software company, every development decision is tied to business outcomes, be it time-to-market, cost efficiency, technical debt reduction, or scalability.

AI for faster and cheaper development without lowering its standards

Wherever it adds value, we use AI to optimize the custom software development process and deliver faster builds with lower costs. However, *instinctools’ experts never compromise on quality, security, or alignment with your requirements. Every line of code, every architecture choice, and every deployment is still carefully guided by our team’s experience and your project specs.

A person’s hand hovers over a tablet, with a glowing AI microchip icon and digital circuit lines emanating from it. Abstract blue technology icons and circuit patterns overlay the dark background, symbolizing artificial intelligence.
A man wearing glasses and a gray sweater stands in a dim room, pointing at a projected screen with code. Behind him are two computer monitors displaying lines of code, suggesting he is presenting or explaining a programming topic.

Best security practices and a compliance-first approach

Our way of working is built around excellence and adherence to international standards, including ISO/IEC 27001:2022, ISO 9001:2015, and NIST 800 family. We complement these standards with our proprietary InfoSec framework that spans physical, administrative, and technical levels, ensuring protection of data, infrastructure, and IP throughout the SDLC.

Delivery excellence 

Backed by the proven delivery framework rooted in Disciplined Agile Delivery, PMBoK, and 25+ years’ experience in tech, our team makes sure your custom software development project is completed on time and within budget, resulting in software that actually solves the problems it’s meant to. Our every step is visible: you get updates, demos, and clear progress reports, so you always know what’s done, what’s next, and why.

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What our clients say
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Bonnet
Patrick Reich
Co-Founder & CEO

The expectations for the quality of the initial product were very high. I think *instinctools did a great job ensuring those expectations are met. We met the developers we were going to be working with and it quickly became apparent that they are very qualified and were able to deliver the vision that we had from our side for the product. They clearly told us what they were going to do, and if there were questions or problems along the way, they clarified them really quickly thanks to transparent communication.

CANet
Dimitri Popolov
Research Data and Systems Manager

We had a tight delivery deadline and *instinctools has been able to find another developer and assign him to our project from one day to another. And we’ve been able to successfully deliver this project. When the partner is good, things are just getting done. And that was the case with *instinctools.

Helvar
Matti Vesterinen
Solution Development Manager

The quality has been good. It’s been on the expected level: things come on time, we have a good visibility on the things that *instinctools developers are doing and performing for us, communication is good. Wherever we see that we need some more exra resources, we have found *instinctools to be a good partner in helping us out on those areas.

SpecTec
Tim Rosenberger
Director, Global R&D

I’ve been impressed by the available skillset, the flexibility to ramp up resources quickly, and the scalability to extend development teams on short notice. I look forward to continue collaboration with *instinctools and their contribution to our projects.

Lition
Richard Lohwasser
Co-Founder & CEO

People at *instinctools are quite tech heads, which I like. They have used very advanced libraries, advanced techniques, advanced coding paradigms. So the advantage is that we get reusable code, that we get well-testable code, we get well-maintained code.

IPwe
Dr. Jonas Block
Product Owner

The *instinctools team exhibits the flexibility and professionality required for young companies. You can rely on their tested structures and processes that integrate nicely with your internal workflows. Being able to grow your team quickly with experienced professionals that start delivering value immediately and without a long interview process is a huge help. And personally, you will be working with a team of kind and interesting people.

SpexAI
Nadine Walther
Co-Founder & CEO

The team is dependable when it comes to managing time and finances, consistently staying within the designated budget. We’re pleased with *instinctools. Their business analysts are exceptional. They serve as the spokespeople between technology and business, representing both sides effectively.

Deif
Jeanine Shepstone
Senior Technical Writer

Instinctools is good at understanding the technical issues – once an issue is outlined, they do not need repeated explanation. They also do not simply accept a proposed solution, but they think about it and propose a better solution. I was really impressed by the custom interface they built for us – we outlined the requirements, and they implemented them in a user-friendly way that makes the interface a pleasure to use.

Sebastian Belle
VP of Engineering

Instinctools does deliver on time and budget. The company proactively asks how they can support our efforts and provide ideas how to help us with very good candidates with expertise that either we requested or that instinctools identified to be missing.

Alisa Delikatna
COO

The team demonstrated effective project management, timely delivery, and responsiveness to our needs. They established open communication to facilitate ongoing dialogue and held regular sprint meetings to keep stakeholders informed and engaged throughout the development process.

Custom-built solutions for disruptive products and operational excellence

We develop custom software that’s as bold as your vision and as dependable as your business processes need it to be. Instinctools’ developers design for the real world, not just for the happy path.

SaaS platforms

Our custom software development team creates cloud-native products with multi-tenancy done right, security-first design, and CI/CD with rollback safety. We build for high availability, predictable performance under load, and easy feature rollouts, so your product doesn’t hold back your business.

  • Idea productization and brand design
  • SaaS architecture development
  • SaaS evolution
  • Cloud migration between providers

Operations and workflow automation systems

Instead of bending your business processes to fit a ready-made ERP or CRM, build custom solutions that mirror your existing workflows, seamlessly integrate with legacy systems, and include the exact modules your organization needs.

  • Custom business process management software (CRM, ERP, MRP, HRM)
  • Finance and compliance (expense management systems with custom approval flows, tax calculation engines with regional logic, etc.)
  • Operations and supply chain software (document approval and workflow management tools, supply chain tracking and optimization tools, etc.)

Industry-specific web and mobile apps

As your web and mobile app development partner, we design and deliver tools tailored to your field’s workflows, embedded in your current ecosystem, and cut out for whatever industry requirements you have.

  • Ecommerce platforms, designed around the business’s exact sales process and target audience.
  • Fintech solutions, spanning everything from digital banking and investments to insurtech and personal finance.
  • Medical-grade solutions, aligned with applicable regulations and engineered to plug into existing systems.
  • Logistics applications that keep supply chains lean, adhere to transport regulations, and support EDI standards.
  • Manufacturing software with features and interfaces that cover your established non-trivial processes

Data integration and legacy system orchestration

We consolidate data from every corner of your business, including databases, applications, APIs, and spreadsheets, to give you the full picture. If there are outdated systems in the mix, our developers make them play nicely with a newer solution, so your critical data doesn’t get locked behind.

  • Custom, well-documented APIs tailored to your data structures
  • Unified dashboards pulling from your internal tools
  • ETL pipelines tailored for legacy databases
  • Data cleansing/normalization and secure data migration
  • Process automation across systems by connecting workflows end-to-end

Our custom application development services are where high-tech meets high-touch

Featured success stories

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Technologies to power your custom software solutions

Stuffing software with cutting-edge tech is one thing. Building it so it lasts longer than the hype cycle is another. Our software engineers integrate emerging technologies that make sense for your business case and deliver ROI long term, not just look nice on paper.

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Artificial intelligence 

As an AI-driven company, we have an in-house AI Center of Excellence with over 50 of AI projects under its belt. If there’s a way to implement your solution without huge data training costs or excessive buildouts, we’ll find it.

Data science

Our data engineers collect, clean, and label your raw historical and real-time data to set it up for a business intelligence tool or advanced analytics. Over the years, we’ve also developed pre-built data pipelines and ready-to-deploy integrations that allow us to reduce time-to-insight for our clients.

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A person types on a laptop in a dimly lit setting. Overlaid digital graphics show a glowing cloud icon connected to database and server icons, representing cloud computing or data storage technology. The person’s face is not visible.

Cloud and DevOps

When developing cloud-based solutions for you, we make sure cloud resources are allocated efficiently to prevent over- and under-provisioning. Following the best DevOps practices, our engineers automate deployment  monitoring to keep your apps reliable, secure, and responsive under varying workloads.
  • Cloud migration and modernization (AWS, Microsoft Azure, OVH Cloud, SAP Commerce Cloud)
  • CI/CD pipeline engineering
  • DevSecOps integration

IoT

We design and deploy connected solutions based on your needs, including customized software powered with AWS IoT and Azure IoT, and fully custom IoT platforms tailored to your devices and workflows. For each solution, our developers select optimal communication protocols, whether that’s MQTT, CoAP, HTTP, or WebSockets.

  • IoT device network setup and management
  • Low-latency processing for real-time IoT analytics

  • Development of IoT data visualization apps

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Blockchain

Access our proven blockchain expertise in Ethereum, Hyperledger, IOTA, EOS, and other ledgers to make DLT a launchpad for your next-gen product.

  • Decentralized app development
  • Tokenized ecosystems implementation
  • Smart contract engineering
  • Cross-chain integrations
Tech stack and ample experience
Programming languages and frameworks
Artificial Intelligence and Machine Learning
Reporting and visualization
Qlik
Power BI
Tableau
On-premise solutions based on open source stack
Apache NiFi
ClickHouse
Saiku
OpenLineage
MySQL
dbt Core
Chart.js
Redash
PostgreSQL
Apache Airflow
D3.js
Grafana
Google Developers
Elastic Kibana
Software products
WordPress
Odoo
SAP Commerce Cloud
Power Apps
HubSpot
Joomla
OpenCart
Zoho
Shopify
Cloud platforms
Google Cloud
Microsoft Azure
AWS
OVHcloud

FAQ

What is a custom software development company?

A custom software development firm delivers bespoke solutions tailored to the company’s unique needs. Unlike off-the-shelf software, tailored solutions smoothly plug into the company’s tech infrastructure and have the exact set of features needed to address its business challenges. 

What is the average custom software development cost?

The cost of custom software engineering services varies greatly based on the solution's complexity. While simple web applications take up around $20,000 to $50,000, the cost of enterprise wide software may start at $200,000+. The location of the custom software development agency also impacts the pricing model. For example, those in the USA charge around $100 per hour, while you will pay around $40-$70 per hour to a Poland-based tech partner for the same custom software application development services. The cost of custom software is calculated on a case-by-case basis so we recommend contacting our development team to get an accurate estimate for your project.

Why hire a custom software development company?

One of the main reasons to hire a custom software development company is the level of expertise they bring to the table. Such companies have teams of skilled developers on tap who have a deep understanding of the programming languages, frameworks, and technologies relevant to your project. Moreover, custom development partners build tailored solutions that are specifically designed for your unique business requirements. This means that you pay only for the exact features and functionality you need, without any frills.

How do I choose a custom software developer?

To find a suitable candidate for your custom development solution, you should gauge their level of experience in your domain. Take a look at their portfolio and success stories to see whether they specialize in projects similar to yours. Also, make sure that your tech partner provides end-to-end custom software services and can cover every development stage.

Anna Vasilevskaya
Anna Vasilevskaya Account Executive

Get in touch

Drop us a line about your project at contact@instinctools.com or via the contact form below, and we will contact you soon.