SaaS products
Customer accounts, plans, subscriptions, permissions, billing, onboarding, usage, support, and the product workflow customers pay for.
Web app development services
Web app development services for software your business can depend on.
Build a new product, improve an existing application, or give a critical internal workflow a proper system. Devyou combines experienced product engineering with agentic speed, from architecture through production and every iteration after launch.
$5,000 per month. Month to month. One active milestone. You own the software.PRODUCTION APPLICATION SYSTEM HEALTHY
NOW SHIPPING
Customer operations workspace
Accounts, permissions, billing, search, automations, and the workflow customers depend on
LIVEPayments and subscriptionsMONITORED
LIVEData and integrationsHEALTHY
NEXTImprove the highest-value workflowQUEUED
+ OPERATE, LEARN, AND KEEP IMPROVING
Production proof
The same team that built Podseeker and SocialPhotos.
We have built and operated our own software businesses for years. These products process substantial data and traffic, collect payments, support real customers, and keep evolving without being rebuilt from scratch.
podseeker.co
LIVE SAAS / DATA PLATFORM
Podseeker
Millions of podcast records, verified contacts, AI-assisted outreach, team workflows, subscriptions, documentation, programmatic SEO, and a public API.
Millions of records10,000s of pitches4.7 / 5 on G2
socialphotosapp.com
LIVE SAAS / SHOPIFY APP
SocialPhotos
Customer media collection, moderation, product tagging, shoppable galleries, merchant operations, billing, and storefront delivery through traffic peaks.
Live since 2014100s requests per second4.9 / 5 on Shopify
What we build
Custom web applications shaped around the business.
A useful web application is more than a set of screens. It represents the customers, rules, data, decisions, and operational reality that make your business distinct.
Internal operations
Replace spreadsheets, inboxes, and disconnected tools with software that matches how the team actually gets work done.
Data and search products
Collect, clean, enrich, index, search, filter, export, and expose valuable industry data through a focused experience.
Portals and dashboards
Give customers, partners, vendors, or staff secure access to the information, decisions, and actions relevant to them.
Marketplaces and directories
Manage listings, discovery, moderation, transactions, communications, administration, and the trust layer between participants.
APIs and integrations
Connect payments, CRMs, commerce platforms, data providers, email, AI models, analytics, and the systems already running the business.
New build or existing system
Meet the application where it is.
Some clients arrive with an idea and deep market knowledge. Others already have customers, code, and operational pain. Both need an engineering team that can understand the whole system before changing it.
Build the right foundation.
- Turn domain knowledge into a focused product
- Design the workflows, data, and architecture
- Launch the smallest complete release
- Keep iterating as customers reveal what matters
Stabilize, extend, or rebuild deliberately.
- Understand the current code and production risks
- Fix fragile workflows and performance problems
- Add capability without careless regressions
- Plan migrations when a rebuild is genuinely justified
Why Devyou
Speed matters. Accountability matters more.
App builders and vibe coding are excellent for exploring an idea. A production system needs someone accountable when customers, money, and accumulated data depend on every change.
Fast until the application becomes specific.
You inherit unfamiliar code, hidden constraints, regressions, deployment problems, and every technical consequence once the standard workflow stops fitting.
YOU BECOME THE ENGINEERING TEAMExperienced engineers direct the agents and own the result.
Agentic coding accelerates implementation. We make the product and architecture decisions, review changes, test critical behavior, protect the data, and stay responsible after release.
PRODUCT JUDGMENTPRODUCTION ARCHITECTUREHUMAN CODE REVIEWSAFE DATA CHANGESMONITORING AND RECOVERYONGOING ITERATION
ONE ACCOUNTABLE TEAM FROM IDEA TO PRODUCTIONHow it works
Build the application as a continuing business asset.
The first release is a starting point. We stay with the product through customer learning, business changes, integrations, maintenance, and the operational work that keeps good software useful.
Understand the business
Share the users, workflow, market, current systems, and what you know that outsiders miss. We turn it into clear priorities and a sound technical direction.
Ship one useful milestone
We design, build, review, test, and deploy one focused improvement at a time. You see working software and make decisions from reality.
Operate and improve
We monitor production, respond to what customers do, strengthen weak points, and keep building the highest-value next capability.
Your private Trello board holds the queue, priorities, decisions, progress, and releases. Async Loom updates keep the work visible without filling the week with meetings.
Full application lifecycle
The invisible systems are part of the product.
Custom web app development services should include what happens after a button is clicked and after a release goes live. We handle the foundations customers expect to work every time.
Architecture and data
A conventional system that can evolve without losing the business logic or corrupting customer records.
Accounts and permissions
Secure authentication and access rules for customers, teams, partners, and administrators.
Payments and subscriptions
Charges, invoices, upgrades, cancellations, failed cards, refunds, and recurring access.
Integrations and automation
Reliable connections with retries, idempotency, limits, monitoring, and understandable failure handling.
Testing and release
Critical workflows are verified and deployments have a deliberate path forward and back.
Monitoring and performance
Errors, slow requests, failed jobs, and unhealthy dependencies become visible before customers report them.
Backups and recovery
Production mistakes and bad releases do not permanently erase the company or its customer history.
Maintenance and iteration
Dependencies, security, data changes, customer feedback, and new requirements are handled continuously.
One focused engagement
An experienced product engineering team, on demand.
For founders and businesses that need serious technical ownership without hiring and managing a full internal team.
WEB APP DEVELOPMENT MEMBERSHIP
$5,000/ MONTH
Month to month, plus applicable taxes. One active milestone keeps the team focused on the most valuable work.
Start your membership ↗You own every line of code and every account.WHAT IS INCLUDED
- Direct access to the technical lead
- Product shaping and architecture
- Full-stack design and development
- One active milestone at a time
- Unlimited request queue
- Unlimited revisions within scope
- Deployment and production monitoring
- Private Trello board and async Loom updates
- Calls when a decision genuinely needs one
THIRD-PARTY COSTS
Hosting, domains, payment processing, email, storage, monitoring, AI usage, and other services remain in your accounts and are paid directly by you. Devyou does not mark them up.
Questions before we build
Clear answers about the working relationship.
How the service works, what it covers, and what remains yours.
What are web app development services?+
Web app development services cover the product, design, engineering, deployment, and ongoing operation required to build browser-based software. That can include SaaS products, customer portals, internal systems, data platforms, marketplaces, dashboards, APIs, integrations, and the workflows behind them.
What kinds of web applications does Devyou build?+
We build focused B2B and B2C SaaS products, internal operations software, customer portals, data and search products, directories, marketplaces, workflow tools, dashboards, APIs, and integrations. The strongest fit is a product shaped by domain knowledge and differentiated business logic.
Can you improve an existing web application?+
Yes. We can understand the current system, identify the riskiest constraints, stabilize critical workflows, improve performance, and add new capabilities without forcing a complete rewrite. When a rebuild is warranted, we plan the migration so the business can keep operating.
Can you build and operate a SaaS product?+
Yes. The team behind Devyou built and operates Podseeker and SocialPhotos. We handle accounts, permissions, subscriptions, payments, search, data pipelines, APIs, admin workflows, email, monitoring, backups, deployment, and ongoing product iteration.
How much do your web app development services cost?+
Devyou costs $5,000 per month, plus applicable taxes and third-party services. The membership is month to month. We work through one active milestone at a time, which keeps priorities clear and gives each release accountable technical ownership.
How do you use AI and agentic coding?+
Coding agents accelerate research, implementation, testing, and routine changes. Experienced engineers still design the system, control context, review the work, protect production data, verify behavior, and own what reaches customers.
What happens after the application launches?+
We continue operating and improving it with you. Customer feedback, usage data, and business priorities shape the next milestone. We fix issues, strengthen the system, improve workflows, and add capabilities without handing you a codebase and disappearing.
Who owns the code, data, and infrastructure?+
You do. The source code, hosting, data, domains, analytics, and third-party accounts remain under your control. You can cancel the membership and keep everything already shipped.
When is Devyou not the right web app development company?+
Devyou is not the right model for products that need a large team working in parallel, advanced scientific research, hard real-time systems, strict enterprise compliance from day one, deep native mobile specialization, or around-the-clock operational support.
Ready to build it properly?
Bring the business knowledge.
We will own the engineering.
Subscribe to reserve one of our limited client openings. Within one business day, you will receive a private Trello board and the first questions needed to understand your application.
Start your membership ↗