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Custom Software Development Solutions Built to Run Your Business

LITSLINK is a custom software development company building custom solutions for businesses. We start from your specific business processes and deliver a product that ships on schedule and replaces spreadsheets, manual handoffs, and off-the-shelf software that never fit.

  • MVP in 10 weeks from a signed contract
  • 1,540+ projects delivered across 82 countries
  • 300+ engineers across web, mobile, cloud, and AI
  • US-based project management, senior European engineering
Customized software application development solutions by LITSLINK: web and mobile product screens

TRUSTED BY STARTUPS AND ENTERPRISES WORLDWIDE

  • Motorola Solutions
  • Willo
  • Mush
  • Mitsubishi
  • QuickPix
WHY CUSTOM

When Off-the-Shelf Stops Working: In Software Development, Custom Solutions Close the Gap

Most companies turn to us only after they’ve already tried off-the-shelf solutions: the CRM has 40 custom fields yet still fails to cover half the workflow, and someone has to reconcile the orders and inventory by hand each Friday. In software development, custom solutions justify their cost precisely at that moment—when the gap between your business processes and your tools becomes a separate charge. We most often encounter the following five situations, along with the changes that occur when tailored software solutions are used.

1 01 / 05

Operations run on spreadsheets and three tools that don’t connect

A single system of record lets your team spend the day making decisions rather than entering data. First, our business analysts map the business workflows, then the development team builds the application based on those workflows, integrating order, customer, and finance data from external systems into one place.

WHAT WE BUILD

Custom Software Application Development Solutions We Build

We can address these problems with a relatively short list of application types, combined to meet each client’s requirements. LITSLINK’s in-house custom software application development solutions include design, software engineering, QA, and DevOps, all carried out by the same team, covering the entire development lifecycle from discovery through maintenance. There is a separate software development services page for each of the items listed, so that you can go into more detail about the one that suits your project. Customized software application development solutions such as these are very seldom released by themselves. Since a marketplace requires both a web platform, a mobile app and admin tooling as part of a coherent release, our software developers are assigned to all of these areas right from the beginning. In suitable cases, we use proven software modules for payments, authentication, and notifications, thereby allocating custom development effort to the aspects that are specific to your product.

Web Platforms

We develop enterprise web applications, customer portals, admin dashboards, and marketplaces end to end, starting with the initial wireframe and continuing through to production support. They are quick to load and have been constructed with the amount of traffic you expect to grow into in mind. → Web development

Mobile Applications

We provide mobile application development for native iOS and Android, and also offer cross-platform solutions using Flutter or React Native if it is more appropriate to use one codebase. We take care of the design, the mobile development, and getting the app published on the stores. → Mobile app development

SaaS and Multi-Tenant Products

The product offers tenant isolation, billing facilities, role management, and the security model that enterprise customers inquire about during the procurement process. It has been designed to scale in line with paying customers rather than in opposition to them. → SaaS development

Cloud Applications and DevOps

Cloud-native architecture, the migration from on-premises setups, CI/CD pipelines, and configurations that reduce deployment times and hosting costs: cloud services · DevOps consulting

MVP Development

We delivered a first version, scoped to test the business case with real users, after about 10 weeks. The objective here is validation. → Proceed with MVP development

Legacy Modernization and Managed Services

We carry out codebase audits, migrate the older systems incrementally to a modern architecture, and provide maintenance services that include continuous support after the product is launched, so that it can keep improving even without having a permanent in-house team. → Application managed services

Product Design

Design involving discovery, prototyping, and UX/UI design based on how users actually behave; good design in this case results in fewer support tickets in the future. → Product design

Quality Assurance

Manual testing, automated testing, and security testing are all carried out alongside the development process, meaning that releases are able to go out on time and no one has to wait anxiously on launch day. → Quality assurance

AI INSIDE THE PRODUCT

AI Software Development Solutions Inside Custom Products

AI should be included in a custom product whenever there are repetitive decisions supported by sufficient data: for example, deciding which item to recommend, which support ticket to assign, or which transaction appears to be in error. We develop AI software development solutions as a layer within the application, one that is connected to your data and your workflow, not as a standalone experiment that never makes it to production. Integrating AI with existing systems is included from the outset, not something added later. This layer typically includes everything from AI/ML models to natural language processing.

AI Agents

The development of AI agents capable of carrying out multi-step tasks such as research, data entry, and intake routing, including having restricted access to tools and requiring human approval when the situation warrants it. → AI agent development

LLM Assistants and Chatbots

Customer assistants and internal helpers based on your documentation and linked to your internal systems. → AI chatbot development

Predictive Analytics and Machine Learning

Models developed for prediction, churn prediction, risk scoring, and anomaly detection based on your past data, which are then monitored after deployment. → Machine learning development

Recommendation Engines

The product, content, and next-step recommendations are individualized based on behavioral signals and are built to boost conversions.

Computer Vision

For the inspection, recognition, and tracking of images and videos within web and mobile products — computer vision development.

It's not necessary to use AI in every custom build; in cases where AI is needed, the same development team that developed the application includes it, bringing together their knowledge of cutting-edge technologies and the product context that was already part of the build. That is how innovative solutions get put into production, not just demonstrated. The AI software development solutions we offer cover the entire spectrum from classical ML to those based on large language models; for more details on the full range, please see the dedicated page on AI software development.

Not sure which of your processes is the right place to start?

Book a call

INDUSTRIES WE SERVE

Software Development Solutions by Industry

Industry experience is what separates a working product from a technically correct one. A healthcare portal has to handle consent and multi-role access on day one. A marketplace lives or dies on how it onboards supply. Our custom software development solutions are shaped by industry knowledge gained across 12+ industries, and patterns carry over, so you don’t pay to learn them twice. Each sector below has its own page with software development solutions and custom software development services specific to that market.

Custom Healthcare Software Development Solutions

Patient portals, clinical systems, telehealth, and practice tools designed to support how clinical teams work: multi-role access, consent workflows, EHR integration, and HIPAA-compliant data handling. We also specialize in developing custom healthcare software solutions for specialized products such as EHR/EMR systems, hospital management, health insurance software, pharmacy management, and AI applications for clinical workflow. The lion's share of the engineering work goes into seamless integration with the existing EHRs and payer systems.
→ Healthcare software development · EHR/EMR · Hospital management · Health insurance · Pharmacy management · AI healthcare development

eCommerce Software Solutions Development

Storefronts and multi-vendor marketplaces designed to convert and sustain during a flash sale spike – catalog and search, checkout, payouts, seller tools, and a recommendation layer that boosts order value. In e-commerce software solutions, development work also includes a multi-brand marketplace that lets shoppers easily compare products from various brands globally; the case study is provided below. In this industry, the development of custom software is dependent on its integration with payment providers, logistics APIs, and third-party systems; therefore, we scope these integration services first before developing the actual software.
→ Marketplace app development · AI in retail

FinTech & Finance

Payment systems, trading platforms, and insurance tools that fit your business rules and reconciliation logic, and the regulators that you report to. The outcome is software your finance and compliance teams can rely on, without having to review individual entries.
→ FinTech software development

Real Estate

Marketplaces, 360° tour apps, brokerage and property management software and financial tools, such as rent and mortgage calculators. We merge listings, tours, and applications together into one flow, making decisions faster for buyers and reducing the chasing of papers by agents.
→ Real estate software · Brokerage · Property listings · Property management · MLS

Travel & Hospitality

Platforms that can hold up through peak seasons and last-minute changes such as booking, itinerary and the guests' experience. The MySquire marketplace below is just one example of how inventory, payments and partner APIs are connected into one flow.
→ Travel software

Recruiting & HRtech

An applicant tracking system, interview scheduling and AI-powered screening tools that recruiters open every day, as well as those integrations that an existing HR stack has come to expect.
→ Recruiting solutions

EdTech & E-Learning

Real classroom and custom self-paced course delivery, live class components, assessments and progress tracking – on infrastructure that doesn't crash on exam day.
→ E-learning solutions

Social Media & Networks

Trusted (and trustworthy) feeds, messaging, tools for creators and moderation that are designed for the moment the product takes off – real-time delivery, recommendations, and trust-and-safety systems that remain fast as audience grows from thousands to millions.
→ Social media app development

Sport & Fitness

Applications for fitness and health that offer coaching logic, tracking and engaging users back into the app. AI analysis of game action as a coaching tool for teams.
→ Sports software

Photo & Video

Media and editing workflow apps, ranging from AI-driven enhancement to the back end that stores and processes vast amounts of media without bogging down the product.
→ Photo & video apps

Manufacturing & Enterprise

ERP-MES integration, IoT monitoring and reporting linking people, machines and back office data. Modernizes existing tooling without any downtime.
→ Manufacturing software

Automotive

Connected-vehicle, fleet and dealership software that transforms telematics and service data into a real-time view for operators to act on.
→ Automotive software

Agriculture

Farm, crop, and irrigation management platforms, including IoT-connected systems. Our irrigation management software case study shows the DevOps side of that work.
→ Agriculture software · Irrigation case study

Blockchain

Smart contracts, Web3 products, and blockchain games, from token logic to the wallet-connected front end.
→ Smart contract development

IN PRACTICE

Case Studies: Custom Software Solutions in Production

Here are two software development projects which illustrate the usual kind of engagement: a clearly defined business problem, a small group of senior team members, and a product that actually reached end users. Both were custom software solutions constructed via our custom software development services, covering the entire process from business analysis to launch.

Online Shop: Multi-Brand eCommerce Marketplace

Challenge

The client wanted a marketplace in the Amazon and Taobao mold with one difference: unbiased results. Search had to return what matched the shopper’s priorities, with no sponsored placements or ads in the way.

Solution

LITSLINK built the web platform entirely using React.js and Python, the platform including a catalog covering brands from all over the world, intelligent filters, a price comparison feature, the ability to place delivery orders at the best available price, and free personalized recommendations after users have signed up. We were in charge of development, publishing, maintenance, and support, as well as carrying out full-cycle QA.

Result

7 specialists · 4 user roles · 2+ years of continuous work on a live product.

Read the case study
Online Shop marketplace wish list on a laptop, showing product cards with prices and a price-comparison button
ENGAGEMENT MODELS

Software Development Outsourcing Solutions: Three Ways to Work With Us

The outsourcing approach is effective only if the engagement model is suitable for the particular situation. A company that has no technical team requires a different kind of arrangement from one that has a backlog and is holding hiring back. While most software development companies provide a single model, LITSLINK offers three software development outsourcing solutions and most clients switch from one to another as the product develops. Regardless of which model you select, you will have the same software development partner—namely, an accountable team, well-established processes, and the same development tools and reporting in all engagements.

Software development outsourcing

Dedicated Team

We have a permanent team consisting of software developers, a designer, QA personnel, project managers, and business analysts who are dedicated to your product on a long-term basis. You are responsible for setting the priorities, and we carry out the deliveries using agile development methods in two-week sprints. This approach is suitable for companies that are developing a core product over quarters, not over weeks.

Project-Based Delivery

With the scope being defined from the discovery stage right through to launch, proper project planning along with a timeline and a budget are agreed upon at the outset. This approach is suitable for MVPs, platform rebuilds, and any software development project that has a clear endpoint.

Staff Augmentation

Senior engineers who are joining your current team, working in your repository, and taking part in your standup meetings can be hired within 48 hours. This option is suitable for companies that have a roadmap and who need some developers. → Hire developers

How the Collaboration Runs

The way we handle software development collaboration is to manage the projects from offices in Palo Alto and Orlando, have the senior engineering teams in Europe carry out the building, and schedule things to align with US working hours so that there is an overlap and thus no need for status meetings at 2 a.m. You get to see working software at the end of every two-week sprint, not status decks. Support is available around the clock, and each engineer on your project is one you know by name. This is why LITSLINK is a development partner and not simply a vendor: the team that becomes familiar with your codebase remains with it.

HOW WE WORK

Our Software Solutions Development Process

It consists of four stages where you will get an output in each phase which you can see before moving to the next phase. The process is the same regardless of how long the engagement is ten weeks or several years; the length of time in each stage is not the same, but in which stage the length of time is not. That is the way software solutions development is carried out at LITSLINK, and the way our custom software development services cover the entire software development lifecycle.

We carry out a business analysis of your existing business processes in order to examine your objectives, users, and constraints, after which we align the architecture, scope, and a realistic timeline with your business requirements. By the end of this stage, you will know exactly what we will be building, the cost involved, and the risks concerned.

01 1. Discovery

We carry out a business analysis of your existing business processes in order to examine your objectives, users, and constraints, after which we align the architecture, scope, and a realistic timeline with your business requirements. By the end of this stage, you will know exactly what we will be building, the cost involved, and the risks concerned.

02 2. Architecture & Design

System design and interface design are carried out together, which means that technical decisions and user experience don’t contradict one another at a later stage. A clickable prototype is seen before any production code is written.

03 3. Development

The engineers work in two-week sprints and have working software to show at the end of each sprint. The QA team also takes part in the process, allowing the team to review the actual progress rather than just a summary of it. All the development tools, repositories and environments are located in your accounts, meaning that the development process can be seen from the very first day.

04 4. Launch & Support

We will deploy the system to production, set up your team, and then remain with you for monitoring, continuous support, and for carrying out the changes you’ll want when real users start to use it.

Standard timelines include having the MVP ready in around 10 weeks, migrating the legacy system in about 10 months, and delivering 30 to 50 percent faster than other vendors according to our own project data.

Book a consultation

OUR STACK

Technology Stack Behind Our Custom Solutions

We select the technology stack on a case-by-case basis, based on the product’s requirements and the people who will maintain it after launch. Offering advice on this matter is included in our software development services and not offered as an additional charge. This is the range of our work.

Frontend

React.js, Vue.js, AngularJS, Redux, JavaScript, Ember.js

Backend

Node.js, Python, Java, Go, C#, Ruby on Rails, Rust, Elixir, Groovy & Grails, AdonisJS, Quarkus, Vert.x

Mobile

Swift, Objective-C, Kotlin, Flutter, React Native, Ionic

Data & databases

PostgreSQL, Firebase, Snowflake, dbt, Spark; vector stores Pinecone, Weaviate, pgvector

Cloud & DevOps

AWS (incl. Bedrock), Azure OpenAI, GCP Vertex, Docker, GitLab, Terraform, CI/CD pipelines

AI & machine learning

OpenAI GPT, Anthropic Claude, Google Gemini, Meta Llama, Mistral; PyTorch, TensorFlow, scikit-learn, Hugging Face Transformers; LangChain, LlamaIndex, LangGraph, CrewAI; OpenCV, MediaPipe

Game, 3D & XR

Unity, WebGL, AR/VR toolchains for iOS and Android

The AI row is model-agnostic by design: routing layers let a product switch providers as the landscape moves, without a rebuild. We also apply AI-assisted development in our own workflow, so delivery speed benefits from the same tools we build with.

WHY US

Why Choose LITSLINK for Custom Software Development Solutions

Clients base their choice of software development companies on rates and keep working with them once the software has been delivered. This is why companies return to LITSLINK for custom software development solutions after their first product has been shipped, and also the reason our custom software development services usually result in multi-year relationships.

12 years of complex builds.

Production software since 2014 for companies in the healthcare, fintech, edtech, and SaaS sectors.

300+ engineers in-house.

Web, mobile, cloud, data, and AI covered by one team, so a project never stalls waiting on a subcontractor, and software solutions ship from one accountable team.

30–50% faster delivery.

Our project data shows products shipping 30–50% faster than they are with other vendors, something that is most important when a launch date is linked to a funding round.

80+ funded startups.

We have served as technical co-founders for over eighty startups that subsequently managed to raise their next round of financing. We also carry out enterprise software development for existing businesses that are modernizing their outdated systems as part of a digital transformation.

US-based management, European engineering.

Overlap with US hours, fluent English, and local accountability from Palo Alto and Orlando.

You own the code.

All the source code, designs, and intellectual property are assigned to you under the contract, and you are given full access to the repository.

Compliance-aligned delivery.

HIPAA, GDPR, SOC 2, and CCPA-aligned handling for healthcare, fintech, and EU-facing products.

INVESTMENT

What Custom Software Development Solutions Cost

The cost of custom software development is determined by the scope, and that scope in turn is influenced by six factors. If you know these factors, you can draft a budget before you even receive the first estimate, and then compare quotes for software development services from different companies on the same basis.

  • Scope and feature count. — An MVP that proves one workflow costs a fraction of a platform that runs a whole department.
  • Platforms. — Web only, mobile only, or both, and native or cross-platform solutions for mobile.
  • Integrations. — Every external system (payments, CRM, EHR, and ERP) results in extra work, some of the connections being routine and others not.
  • Compliance requirements. — HIPAA, GDPR, or SOC 2 add architecture, documentation, and testing.
  • Team composition. — Size and seniority of its members, and whether design and QA are included.
  • Timeline. — A compressed launch date usually means a larger parallel team.

Get a custom estimate

For a ballpark, use our app cost calculator; it takes about five minutes. AI features have their own AI cost calculator. For a custom estimate, our team returns one within 48 hours.

Get a custom estimate

VERIFIED REVIEWS

Our Reputation on Top Platforms

LITSLINK has a 4.8 rating on the major platforms, and customers frequently mention the same points regarding their experience with us: a high level of technical expertise, clear communication, and timely delivery.

Clutch B2B Ratings & Reviews

4.8

78 reviews

Top Developer
GoodFirms Research & Reviews Platform

4.8

32 reviews

Top Company
Behance Creative Portfolio Platform

150+

design projects

View projects

FAQ

Frequently Asked Questions

01 What are custom software development solutions and when do they outperform off-the-shelf tools?

Custom software development solutions are software applications designed specifically for a company or enterprise, tailored to its operations rather than a typical scenario. Custom software is a more viable option than off-the-shelf software when the workflow provides the company a competitive advantage or when the tools used are generic and need a lot of “workarounds” to meet the needs of the company, or when the data needs to be compliant, or when the company needs to own and extend the product as it expands.

02 How long does it take to carry out a custom build?

The timelines for our software development services will vary according to the scope. The typical timeline for producing most MVPs is around 10 weeks from the time of signing a contract. A full platform with web and mobile products typically takes 6 to 12 months. MySquire, a two-sided travel marketplace, went from concept to closed-beta MVP in 12 months. You can only get a realistic timeline once you’ve defined the scope.

03 What is the cost of custom software?

The cost of custom development depends on the scope; it varies by platform, integrations, compliance requirements, team makeup, and timeline. The cost factors listed above explain each of these points. The app cost calculator provides an approximate figure in minutes, while a discovery call gives you a detailed estimate together with a team and a timeline.

04 Can the new system be made to work with the tools that we currently use?

Certainly. The majority of our software development solutions are designed to connect with existing systems such as CRMs, ERPs, payment providers, EHRs, and internal APIs. During the discovery phase, we audit the integration points so the estimate accounts for them, and we treat third-party system integration as a separate line item.

05 Who owns the code and IP?

Yes, you do; the source code, the designs, and the intellectual property developed for your project are assigned to you in the contract, and you are given full access to the repositories and documentation.

06 Are you able to accept a project that is already in existence or is a legacy project?

Certainly. This process starts by auditing the codebase, infrastructure and documentation, then building a plan to stabilize and migrate the system, and finally transferring the product to a new architecture while leaving the business that depends on it unaffected.

07 How to Choose One of the Software Companies?

When looking at software development companies, look at what they have delivered, and not what they have offered to deliver. Request information about the software developers that will be implementing your project, references you can call, and the way that the software team manages changes during the build. As a custom software development company, we strive to be specific with all three, and so should a good development partner.

08 What are your practices for HIPAA and GDPR with healthcare and EU clients?

Role-based access, encryption at rest and in transit, audit logs, and data handling in line with HIPAA for U.S. healthcare products and GDPR for EU users are built into the architecture. This is our model for all of our custom healthcare software development projects.

Start Your Project With LITSLINK

Let us know what you’re constructing. During a free Discovery Call, we will outline the architecture, timeline, and team. Future software needs will change, so we build the product to change with them.

Next steps

1

A LITSLINK specialist reviews your request and contacts you to discuss the details.

2

If needed, we sign an NDA before moving forward.

3

We send a project proposal with estimates, timeline, and team CVs.

4

After launch, we stay on for updates and support.

48h response 1,540+ projects delivered 78 verified Clutch reviews