Custom Software Development
Complete web platforms, internal systems, SaaS products, and business applications, designed and built around how your business actually operates.
Software built to create real business value.
We are a small team of expert developers focused on building modern, high-quality software. Using the latest technologies, we create efficient, scalable, and cost-effective solutions—no waste, no nonsense, just real results.
Code. Deliver. Profit.
Why a boutique team
Senior engineering without enterprise overhead.
ProfitDevs pairs the technical depth of experienced engineers with the speed and directness of a small team. You get people who have shipped real products, and you work with them directly — no layers of coordination between the decision and the code.
That means practical technical choices, maintainable architecture, and delivery you can actually follow. We plan for the long life of a product, not just the first release, and we adapt how we cooperate to fit how your team works.
Fewer communication layers is not a slogan here; it is the whole point. It is how a small team stays fast, keeps quality high, and remains honest about trade-offs.
Services
What we build
Web Application Development
Fast, accessible, responsive applications built with modern frontend and backend technologies, and structured to stay maintainable as they grow.
Mobile App Development
Cross-platform and native products for iOS and Android, from a first release through to a mature app with a real user base.
Backend and API Development
Reliable APIs, third-party integrations, data-processing systems, and backend architecture that holds up as traffic and data grow.
QA and Test Automation
Manual and automated testing, integration testing, and release validation that catches problems before your users do.
Cloud and DevOps
Containerization, CI/CD, cloud infrastructure, deployment automation, monitoring, and the performance work that keeps everything fast.
AI Product Integration
Practical use of language models, automation, intelligent search, and document processing — added where it earns its place, not for the label.
Engagement models
Built around the way you work
Dedicated Development Team
A stable, senior team that works as an extension of your company — dedicated to your product, familiar with its history, and accountable for its direction over the long term.
Project-Based Delivery
A defined scope, a clear plan, and a fixed target. Best when you know what needs to be built and want a team to own it end to end and ship it.
Team Extension
Specific skills added to your existing team — frontend, backend, mobile, QA, or DevOps — without the overhead of hiring, when you need capacity for a defined period.
Selected work
Selected work
Data · Automotive
Automotive Data Platform
A platform that aggregates vehicle data from multiple sources and makes it searchable for downstream products.
- Node.js
- TypeScript
- PostgreSQL
- Redis
- Docker
- AWS
Read more
Challenge
Vehicle data arrived from many providers in inconsistent formats, with duplicates and gaps, and had to be queried quickly at scale.
Approach
We designed a normalization pipeline and a canonical data model, then built an API layer with caching so lookups stayed fast under load.
Solution
An ingestion and enrichment service feeding a searchable store, exposed through a documented API with monitoring and clear data-quality signals.
Outcome
Consumers could resolve vehicle records against consolidated data through a single, reliable interface instead of stitching sources together themselves.
Services
Backend and API Development · Data pipelines · Cloud and DevOps
DevOps · Data infrastructure
Data Backup and Synchronization Service
A service that backs up and synchronizes datasets across providers on a schedule, with visibility into every run.
- Node.js
- TypeScript
- PostgreSQL
- Docker
- GitHub Actions
- Cloudflare
Read more
Challenge
Teams needed dependable, automated backups across hosting providers, with retries and a clear audit trail when something failed.
Approach
We built a job-based synchronization engine with idempotent runs, structured logging, and alerting, deployed as containerized workers.
Solution
A scheduler and worker system that mirrors data sources, verifies integrity, and surfaces status and history through a simple dashboard.
Outcome
Backups ran unattended and predictably, with failures caught and retried rather than discovered later.
Services
Backend and API Development · Cloud and DevOps · QA and Test Automation
Web · B2B operations
B2B Workflow Management Platform
A web platform that coordinates multi-step operational workflows between teams, with roles, approvals, and an activity history.
- React
- Next.js
- TypeScript
- Node.js
- PostgreSQL
Read more
Challenge
Work was tracked across spreadsheets and email, so status was unclear, handoffs were missed, and there was no reliable record of decisions.
Approach
We modeled the real workflows with the team, then built a role-based application with clear states, approvals, and notifications.
Solution
A responsive platform where each task has an owner, a state, and a full history, with permissions matched to how the organization actually works.
Outcome
Teams shared one source of truth for operational work, with visible ownership and an auditable trail of what happened and when.
Services
Custom Software Development · Web Application Development · QA and Test Automation
AI Integration · Knowledge management
AI-Assisted Knowledge and Documentation System
An internal system that makes scattered documentation searchable and answerable using language-model-assisted retrieval.
- Python
- TypeScript
- Node.js
- PostgreSQL
- React
Read more
Challenge
Important knowledge was spread across documents and tools, so people struggled to find accurate answers quickly and trust them.
Approach
We built a retrieval pipeline over existing content, added a language model for grounded answers, and kept clear links back to sources.
Solution
A search-and-answer interface that returns relevant passages with citations, so people can verify what they read.
Outcome
Staff found grounded answers faster, with sources attached, instead of hunting across systems.
Services
AI Product Integration · Backend and API Development · Web Application Development
Technology
Technology chosen for the product—not for the trend.
Frontend
- React
- Next.js
- Astro
- TypeScript
- JavaScript
Mobile
- React Native
- Swift
- Kotlin
Backend
- Node.js
- TypeScript
- Python
- PostgreSQL
- Redis
Infrastructure
- Docker
- AWS
- Azure
- Cloudflare
- GitHub Actions
- CI/CD
Quality
- Playwright
- Cypress
- Jest
- Postman
- Automated API testing
How we deliver
From first call to reliable release
- 01
Understand
Clarify the product, business objectives, users, constraints, and the current technical environment before writing any code.
- 02
Plan
Define the scope, architecture, delivery stages, responsibilities, and realistic priorities so everyone knows what happens next.
- 03
Build
Develop the product in transparent iterations, with regular demonstrations and direct communication rather than status theatre.
- 04
Validate
Test functionality, integrations, performance, security-sensitive areas, and the real user flows that matter for release.
- 05
Improve
Support the release, monitor the product, resolve issues, and continue development based on real feedback from real usage.
Why ProfitDevs
Less overhead. More engineering.
Senior-led delivery
Experienced engineers make the decisions and stay accountable for the result, from architecture to release.
Direct communication
You talk to the people building the product, not a chain of account managers relaying messages.
Lean and transparent process
Enough process to stay organized, and no more. You always know what is being built and why.
Software designed to last
We favor maintainable architecture and clear code, so the product keeps moving after launch.
Locations
Ukrainian roots. European delivery.
Kyiv
HQUkraine
Headquarters and registered office
14/55 Saperne Pole StreetKyiv, 01042UkraineKharkiv
Ukraine
Otakara Yarosha St, 2061072 KharkivUkraineLviv
Ukraine
Shpytalna St, 1179007 LvivUkraineWarsaw
Poland
Prosta 7000-838 WarszawaPoland- Kyiv, Ukraine — 14/55 Saperne Pole Street, Kyiv, 01042, Ukraine (headquarters and registered office)
- Kharkiv, Ukraine — Otakara Yarosha St, 20, 61072 Kharkiv, Ukraine
- Lviv, Ukraine — Shpytalna St, 11, 79007 Lviv, Ukraine
- Warsaw, Poland — Prosta 70, 00-838 Warszawa, Poland
Have a product to build or a system to improve?
Tell us what you are working on. We will help you define a practical next step, whether you need a complete delivery team or additional engineering expertise.