The most impressive trait about the Jelvix team is that you can't give them a task or idea too large. No matter how grand a vision you may have, they'll always have a solution or means to accomplish it.
Thank you, Jelvix, making our vision into a reality. You executed, delivered and were responsive through the whole project. The finished product has an awesome look, feel and user experience that will change the way physical therapists and patients interact between visits.
Our application was finished and able to generate revenue within one year as the Jelvix team adhered to the required timeline efficiently and professionally. They were communicative, responsive, and always available to take on feedback and make tweaks or changes as required.
Jelvix delivered digital products that are fit for purpose and, in the case of the mobile apps, award-winning. Led by an engaged project manager, communication with the development team is smooth and purposeful. They contributed conceptually to the solutions and were excited to problem-solve.
Solutions:
Technologies:
Sasha Andrieiev
CEO at Jelvix
Our goal is to build software solutions that truly matter, making the world a better place for everyone while helping entrepreneurs succeed in their journey.
For 16 years, Jelvix has been a strategic tech partner for global leaders and innovators. We leverage high-end design, rigorous QA, and expert consultancy to engineer scalable solutions that turn complex business challenges into market-leading products.
Jelvix driven by secure, AI-augmented workflows that streamline development lifecycle and ensure robust architecture from the ground up.
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From greenfield builds and modernizing legacy systems to AI-powered platforms and enterprise integrations, we cover the full development lifecycle. Jelvix experts tailor custom enterprise software to fit how your business actually operates.
Years of engineering and delivery excellence.
Global IT specialists and tech experts.
Built into every project from day one.
Client retention rate built on long-term partnerships.
Services
Every company we work with is dealing with one of two problems: software that can’t keep up with how the business actually works, or a plan to build something new without a clear picture of what it really needs to do. The custom software development services we provide solve both, not to hand you a template with your logo on it.Our custom software development company employs software developers with 16+ years of experience in building custom solutions for various industries, including healthcare, fintech, real estate, and logistics. Throughout that time, we have shipped software products, such as patient data platforms, payment orchestration systems, AI-based analytics engines, and ERP system implementation, in multiple countries. We begin by understanding your limitations, your users, and the actual purpose of the solution.
Off-the-shelf software solves generic problems. When your business has processes, regulatory requirements, or user workflows that don’t fit inside a subscription product, developing custom software is what fills the gap. Our developers build from scratch using modular, API-first architecture so the result is software that is scalable, integrates cleanly with what you already have, and grows without a rebuild. Our custom software solutions are owned entirely by you from day one, regardless of how the engagement was structured.
The most pressing problem faced by enterprises today is having too much data and not knowing how to put it to good use. The gap between that data and decisions that actually improve operations is where AI earns its place, and where generic AI solutions consistently fall short because they weren’t built for your workflows.
The AI and ML experts at our company create customized software applications using artificial intelligence to automate repetitive tasks, detect patterns from operational data, and integrate seamlessly within your infrastructure, be it in developing a machine learning algorithm to forecast demand or deploying computer vision algorithms to manage quality control.
Clients have used this work to cut processing time by over 60% and reduce manual review workloads significantly.
Large organizations carry a specific kind of technical debt: systems built for the business as it was five or ten years ago, now stretched to cover needs they were never designed for. The workarounds multiply, the spreadsheets accumulate, and the integrations get fragile.
Our enterprise software experts develop solutions to manage multi-department processes, system integration, and compliance requirements, which differ according to geographical locations or industries, such as ERP installations, CRM modifications, and internal tooling for Fortune 500 clients and mid-market companies scaling toward that tier.
A business running on six tools that don’t talk to each other patches gaps manually, every day. The CRM doesn’t connect to the billing system. The data analytics dashboard only shows part of the picture because the data lives in three separate places. Our integration specialists design and build the APIs, connectors, and middleware layers that streamline data flow, improve operational efficiency, and turn fragmented tools into a single operating system for your business process, using REST and GraphQL APIs, event-driven architectures, or direct database integrations depending on what the environment demands.
Limits of legacy systems don’t often make themselves known. They come to light one limit at a time, until the cost of remaining static becomes higher than the cost of modernizing.
Our custom software developers perform an evaluation of the existing code, determine its dependencies, and draw up a plan for how to evolve the business using legacy systems as the starting point, without having to halt production.
Cloud-native design requires building a system that is horizontally scalable, fault-tolerant, and continuously deployable from the outset.
Our experts in cloud engineering have experience with AWS, Azure, and Google Cloud Platform to design containerized applications using Docker and Kubernetes and establish the pipelines enabling sustainable continuous delivery.
Whenever our clients need to move their already existing software to the cloud, we take care of all the infrastructure-related adjustments that need to be done along with data migration in the process.
Developing a SaaS product is an entirely different thing than building internal applications. There is a need for multi-tenancy architecture, a perfect billing mechanism, and a user interface that allows clients to use it without making support calls.
Our product development specialists have built subscription platforms from initial concept through launch and into the iteration cycles that determine whether a product retains users or loses them. We run product discovery sessions to validate assumptions before writing code, deliver custom applications as MVPs tested with real users, and continue iterating until the product is market-ready software that holds up in production.
Not every engagement needs new code. Before committing to custom software application development, the right move is often a clear diagnosis first. Our specialists help organizations define what to build and in what sequence before the budget is committed, running structured discovery sessions that establish the processes for custom software development, surface actual project requirements, and produce roadmaps that sequence work by business value. For organizations that already have development capacity but need architectural guidance, our senior specialists work as technical advisors without taking over the project.
What We Build
The services we offer are designed to turn business needs into practical, custom software solutions. Our experience covers a broad array of sectors and applications tailored to meet the objectives of a business. If you don’t see your specific use case, get in touch anyway.
The systems that run the administrative side of an organization. These software products handle data, coordinate processes, and keep the business moving between departments. These are often the oldest systems in an organization, and the most expensive ones to work around when they stop fitting:
Most organizations have data. What they need is a system that turns it into a decision before the moment it mattered has passed. AI solutions and data analytics platforms are only valuable if they’re built on clean data and connected to the workflow where someone can act on the output:
The software solutions your customers interact with directly. The bar is higher here than for internal tools, because your customers can leave, and they will if the experience is poor enough:
The layer most users never see, but that determines whether everything else works. Integration failures are one of the most common reasons builds underdeliver, and they’re almost always fixable with the right architecture from the start:
Tech Stack
We choose tools based on what the project demands, not what’s easiest to staff. Every technology decision is made in the context of your existing infrastructure, your team’s capabilities, and the long-term cost of ownership.
Python for handling data-intensive work and developing AI programs. Java and C# for robust enterprise back-end applications. Our range of programming languages makes sure that we staff according to the requirements of your technology stack, and not just our previous experience.
The success of user experience lies in having an efficient and high-performing interface. Frameworks are chosen according to application requirements, developed with operational efficiency in mind, and tested under different circumstances before being deployed.
Backend architecture determines how the system behaves under load and how well it integrates with existing systems around it. The framework follows the performance and integration requirements.
Our teams operate within AWS, Microsoft Azure, and Google Cloud Platform. Infrastructure is coded using Terraform and managed using Docker and Kubernetes. Regarding our AI projects, we integrate either AWS SageMaker, Azure ML, or Vertex AI based on the cloud infrastructure of the client.
A software development lifecycle without automated testing and deployment creates risk that compounds over time. We build CI/CD pipelines that follow best practices and validate every code change before it reaches production, using tools that integrate with whatever version control and deployment environment is already in place.
Data storage has an impact in the long run. Relational and non-relational databases are selected depending on the patterns of the queries, consistency constraints, and amount of data. In the case of event-based architectures, we use Apache Kafka as the foundation.
For AI-powered software and data analytics platforms, we work across the full model development and deployment stack, from data pipelines and feature engineering through model training, evaluation, and production monitoring.
Our engineers use artificial intelligence programming software in their workflow. This implies faster review cycles, more consistency in outputs, and reduced time on boilerplate code.
Who We Serve
The business problems that software needs to solve look different in each industry. So do the regulatory standards, the data sensitivity, and the consequence of getting it wrong.
Healthcare software comes with certain regulatory demands that usually go unrecognized by many dev teams until they are halfway through the development process. HIPAA-compliant development cannot be applied at the end of the process; it influences all the decisions related to patient data storage, its accessibility, transmission between different platforms, and audit log setup from the very first sprint. Our healthcare experts have successfully completed over 145 projects involving EHR integration, remote patient monitoring, telemedicine solutions, and clinical AI-powered apps. Jelvix is the Top 50 HealthTech Company of 2025.
This type of software is developed at the crossroads of performance demands and regulatory oversight.
An overloaded payment gateway means actual losses. A poorly-designed platform for reporting on regulations leaves an organization exposed to the law.
Our fintech experts have successfully completed more than 170 projects in digital banking, payments, lending, and wealth management, including migration of payment rails, core banking, and fraud detection systems.
Retail software must handle the spikes in demand, bring together the inventory in real-time, and personalize at a level where manual intervention isn’t sufficient. If your ecommerce website goes down when you’re experiencing a peak period, money won’t wait until the incident report is done.
Our team of retail experts has designed solutions that can handle volume transactions, tie up the physical and digital inventory, and pull out the necessary customer information.
The quality of the data running through logistics software determines how useful it can be. Live information about the position of the fleet, the capacity of the warehouse, and the status of deliveries is not an analysis tool but the basic principle on which decisions are made by planners, dispatchers, and managers.
Our logistics specialists have built platforms that process millions of data points per day and surface actionable intelligence across the full supply chain.
The software products must be able to close the loop between what goes on in production and what comes out from the corporate system. The failure to do so results in quality escapes, unexpected downtime, and inventory discrepancies that will only become obvious when it’s too late.
The integration experts at our company connect MES, ERP, and IoT sensors to provide the operations team with real-time visibility into production.
The real estate software deals with a unique type of complexity: huge volumes of documents, lengthy transaction lifecycle, coordination between multiple parties, and financial reporting that must be precise for thousands of units at once.
Our real estate experts have done 200+ projects in this field, from property management solutions to development of real estate marketplaces to integration with platforms like Yardi.
The development of insurance software exists between the complicated processes of actuaries, standards of regulators, and customer requirements, which have changed significantly over time. Policyholders expect a digital way of interaction. Regulators expect precise traceability. Older systems without any of the above requirements cannot fulfill both.
Our insurance specialists build policy management systems, claims processing platforms, and underwriting tools designed for the data complexity the industry requires.
Media software has to be designed for concurrency handling, provide non-buffered delivery of content in different geographic locations, and adapt to the unpredictable behavior of the audience. If a streaming service fails during a live broadcast, it will not get another opportunity with the same audience.
Our media specialists have built content delivery platforms, audience analytics systems, and subscription management tools that perform under the kind of load media products generate at peak.
Automotive software must bridge the gap between complex supply chains, connected vehicle hardware, and strict safety regulations. A failure in data synchronization or compliance can lead to costly recalls, production delays, and compromised user safety.
Our automotive software experts build custom solutions ranging from telemetry platforms to dealership management systems and EV charging infrastructure.
Process
We work the same way on every engagement, whether it’s a six-week MVP or a multi-year platform. The software delivery process is consistent. What changes is the context.
Step 1
We work directly with your product, engineering, and business stakeholders to map out what the software actually needs to do, not just what’s on the feature list. Most projects get to a validated scope within a few days. From there, project management is set up, and development starts within about a week once requirements are clear.
Step 2
Our technical leads define the architecture. They define the architecture, the technology stack, and the integration and compliance requirements that must be built before development starts. We approve the architecture before writing a single line of code.
Step 3
The development process takes place in two-week sprints, following a well-defined SDLC cycle, with the first working build delivered in two to four months, with updates done every one to four weeks thereafter. Since our teams work overlapping business hours in the US Eastern and Central business hours, issues get resolved on the same day.
Step 4
The software is integrated into your current enterprise systems and tested for functionality, performance, and security prior to launch. For software in the regulated industry, the test documents are drafted to meet the requirements of auditing right from the outset.
Step 5
We roll out the system, test its performance for the first few weeks, and provide support as your end users’ requirements change. After deployment, you fully own the source code.
Featured projects
More than 1,250 projects shipped across 16 years of software development.
Challenge
A US-based digital health company needed to scale patient onboarding for a hypertension RPM program while improving the accuracy of its AI risk prediction layer.
What we built
A data transfer bridge from wearables to the clinical solution, along with the enhanced machine learning module for cardiovascular risk stratification.
Result
100% instant rail coverage. Zero operational disruption during migration.
A fintech platform running on legacy ACH infrastructure needed to add FedNow and RTP rails to reach full instant payment coverage, without any downtime to its existing operations.
A payment orchestration layer that added the new rails on top of existing ACH infrastructure. Zero core system downtime during the transition.
A real estate operator managing 250+ properties was losing $1.8M annually to reporting errors and manual reconciliation between its property management system and financial reporting tools.
A custom enterprise integration layer that automates the transfer of data between Yardi and the client’s accounting system, eliminating manual reconciliation and automatically generating reports.
$1.8M in annual losses eliminated. Reporting time reduced from days to hours.
Why Jelvix
Most software companies will tell you they’re experienced and that your code belongs to you. Here’s what that actually looks like in practice.
From the moment you sign off on the project scope, your dedicated team is assembled and contributing within 14 days. Every IT specialist passes a multi-stage technical and communication screening before joining the Jelvix network. We match the team to your stack, your domain, and your working style. The first sprint starts before most companies finish negotiating contracts with other vendors, and the software built in those early sprints reflects your stack and your standards, not a generic starter template.
Each software project begins with the signing of an NDA agreement before we share any information. When the project is completed, you will own all intellectual property that we produced for you, including the source code, database schemas, and documentation. There are no fees for the license, no lock-ins, and no proprietary parts, maintenance of which is possible solely by Jelvix. As soon as the system is shipped to you, you can operate, maintain, and modify it independently of Jelvix.
Jelvix is accredited under the ISO/IEC 27001:2022 standard for data security management, ISO 9001:2015 standard for quality management, and ISO 13485:2016 for health care projects. These requirements are followed for all projects regardless of whether they are requested. Protection of sensitive data and development in accordance with HIPAA requirements are incorporated into the project from the very beginning.
This figure comes from the result after 16 years of experience where the product is delivered on time, performs according to its specification, and is maintained by a team communicating clearly when something changes. Most of Jelvix’s income is gained through long-term projects. Our company grows together with our clients and not by making single-project engagements.
Jelvix is certified in information security according to ISO/IEC 27001:2022 and ISO 9001:2015 standards for quality management. We were awarded the Top 50 Health Tech Company of 2025 due to our achievements in developing healthcare software solutions. On Clutch, we carry a rating of 4.9 based on over 200 reviews.
Engagement Models
Every engagement arrives in a specific phase with specific constraints. The engagement model that works for a greenfield build differs from the one that works for adding capacity to an existing team mid-sprint. We structure every engagement around the actual situation and tailor custom solutions to fit the phase, team size, and delivery constraints of your project.
A complete project team working exclusively on your product under an ongoing engagement. Project manager, technical lead, developers, QA, and DevOps selected for your specific stack and domain.
The team integrates into your planning cycles and operates as a functional extension of your organization. Best for companies building a new product, executing a multi-phase roadmap, or running a platform that needs continuous development capacity.
A scoped engagement that has deliverables, a deadline, and a team dedicated to the task. We take care of planning, creating the team, developing the solution, and delivering the completed solution.
Most suited to organizations with a clear problem statement and criteria for completion, such as migrating platforms, building a product, or integrating a system where the requirements are firm enough to plan around.tion.
Individual specialists or small pods who join your existing team and work under your management. Best for filling specific skill gaps without disrupting how the team operates.
A senior architect for a complex integration, an AI specialist for a model development workstream, an infrastructure engineer to build out the CI/CD pipeline. Our software developers ramp up in days and follow your processes. Most teams are up and running within 2 to 4 weeks.
Testimonials
Founder & Co-Founder, Real Estate Company
Jelvix built a centralized integration layer connecting Yardi Voyager with Salesforce and NetSuite. Their work included solution architecture, API integrations, and audit logging. The integration eliminated more than 40 hours of manual reconciliation each week and significantly reduced operational losses
CEO, Imployable
Brand Director, Auchan Retail Ukraine
I’m pleased to notice that the team not only managed to comply with all our demands but even exceeded expectations. Jelvix engineers were facing a challenge to create a web application, able to process big data and cope with the high load during a peak of buying activity. Jelvix team is highly recommended for long term partnership. We are absolutely happy to continue our cooperation and intend to assign them with a new up-and-coming project.
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