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Custom Software Development Services

We develop custom software for startups, scaleups and enterprises, combining senior engineering expertise with experience across web, AI, and digital systems. We provide full-cycle development services, from product strategy and UX to engineering, QA, and support, creating software tailored to specific business needs and workflows.

10years of software development experience
200+products delivered across web and mobile
67senior engineers across web, AI and mobile
90%of clients come back for a second project
01 — Services

Our Custom Software Development Services

01

End-to-End Custom Software Development

From requirements and UX to engineering, QA, deployment, and support. We build software around your workflows, integrating the right technologies and AI capabilities from the start.

02

Enterprise Application Development

Build business applications that connect teams, data, and critical workflows in one place. We develop scalable enterprise software with the integrations, security, and flexibility needed to support operations.

03

Software Modernization & Legacy Systems

Bring outdated software up to date without starting from scratch. We modernize architecture, improve performance and security, and save the business logic your teams rely on.

04

API Development & Integration

We design and develop APIs and integrations that move data reliably, automate workflows, and keep your applications working together.

05

Custom Web & Digital Product Development

We deliver web platforms and digital products built around your users and business model. From customer-facing applications to internal platforms, we handle UX, frontend, backend, and the infrastructure behind them.

06

MVP Development

Turn a product idea into a working MVP without overbuilding from day one. We focus on the features that matter most, using scalable architecture that gives you a solid foundation for testing, learning, and further development.

02 — Industries

Custom Software Development Services: Industries We Help

Logistics and Supply Chain

Custom software for shipment management, fleet operations, supplier communication, tracking, and logistics workflows.

Fintech

Custom platforms for payments, KYC workflows, financial operations, account management, and secure data processing.

Healthcare

Healthcare platforms for patient and provider workflows, appointment management, secure data, and administrative operations.

SaaS

Cloud-based platforms for subscriptions, multi-tenant environments, user management, automation, and business workflows.

Retail Technology

Custom platforms for POS operations, customer management, inventory workflows, and connected retail processes.

Real Estate

Property platforms for listings, tenant management, property operations, communication, and real estate workflows.

Why Companies Choose Rero for Custom Software Development

Built around your business

We design software around your workflows and requirements instead of forcing your business into a standard product or template.

From requirements to production

We handle the full development cycle, keeping the whole product under one senior-only team.

Designed for integration

We build around your existing stack and connect the APIs, data, and third-party services your business depends on.

Ready to scale

We make architectural decisions with future growth in mind so you can add new users, features, and integrations without rebuilding the system.

03 — Clients

What our clients say

“RERO delivered a financial consultation portal with a clean design, good performance, and proper documentation. The portal made complex workflows feel simple, and we received positive feedback from users, clients, and investors. The team was professional and easy to work with.”
Financial Software Development CompanyManaging Director
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04 — Process

How We Work on Custom Software Development

01

Discovery

We define business goals, workflows, users, requirements, and technical constraints to understand what the software needs to do.

02

Architecture & Scope

We map the system architecture, data, integrations, and key workflows, then define a scope, priorities and delivery plan.

03

UX & Product Design

We create user flows, wireframes, and a working prototype, making sure the product experience is clear before development starts.

04

Build & Integrate

We develop in focused increments, with regular demos and QA throughout.

05

Launch & Evolve

We test, deploy, monitor, and support after launch. New features, integrations, and improvements can be added as your business evolves.

05 — Problems

Problems We Solve with Custom Software

01

Off-the-shelf software no longer fits

If your business has outgrown the tools you started with, we build custom solutions around your workflows, requirements, and processes, with the flexibility to evolve as your business grows.

02

Your systems don’t work together

Data is spread across different tools, platforms, and databases. We connect the systems you already use and build the integrations needed to keep information moving reliably between them.

03

Manual work is slowing the business down

Teams spend time copying data, managing spreadsheets, and repeating routine tasks. We automate workflows and connect the underlying systems so your people can focus on work that requires them.

04

Your software can’t keep up with growth

New users, features, integrations, and changing requirements put pressure on an outdated system. We build scalable architecture that gives you room to expand without having to rebuild the entire product.

06 — Why custom

Why Choose Custom Software Development Services?

Custom software gives you the flexibility to build around your workflows, business rules, integrations and long-term goals instead of having to work around someone else’s system.

Built around your business

The custom software follows the workflows, roles, approvals and business rules that actually matter to your team.

Scales with your needs

Build the foundation you need today and expand it as your users, data, processes and product requirements grow.

Full control over your data

With a custom architecture designed around your operational and compliance requirements, you choose where your data is stored, how it is accessed and how the system is secured.

Integrations that work together

Connect your software directly with the tools and systems you already use, from ERP and CRM platforms to payments, communications and internal databases.

07 — Challenges

Key Challenges of Custom Software Development and How Rero Overcomes Them

Challenge

Turning complex requirements into a workable system

Business processes often involve multiple teams, rules, integrations and exceptions that are difficult to capture in a simple specification.

How we handle it

Discovery before development

We map your workflows, requirements and technical limitations before development starts, turning them into a clear architecture, scope and delivery plan.

Challenge

Getting value before the entire system is finished

A large custom platform can take months to build, making it difficult to see progress until late in the project.

How we handle it

Build around a usable core

We prioritize the workflows that create the most value and deliver them first, then expand the system through incremental releases.

Challenge

Integrating with existing systems

Custom software rarely operates on its own. It may need to exchange data with CRMs, ERPs, payment platforms, APIs and internal tools.

How we handle it

Integration-first architecture

We design integrations as part of the core architecture, with clear API boundaries, reliable data flows and room for future connections.

Challenge

Keeping the system maintainable as it grows

A solution that works today can become difficult to change when the codebase, user base and business requirements expand.

How we handle it

Architecture built for change

We use a maintainable technology stack, modular architecture, automated testing and clear documentation so your software can evolve without becoming harder to manage.

08 — Costs

Custom Software Development Costs

Ranges below are based on our own delivered projects and assume a European delivery team. The final scope, team composition and fixed price are defined through a paid discovery phase.

Custom Software MVP

$30k–55k

10–16 weeks
Est. team: Mid+ FDE + PM
FDE rate: $27/hr

  • Core business workflows
  • User roles and permissions
  • Custom web application
  • Key integrations and reporting

Full Custom Software Platform

$70k–150k

4–8 months
Est. team: Senior FDE + PM + QA
FDE rate: $34/hr

  • Everything in MVP
  • Advanced workflows and automation
  • Multiple third-party integrations
  • Admin, reporting and data management
  • Scalable architecture for future growth

Support & Evolution

from $3k per month

  • SLA-backed maintenance
  • New modules and features
  • Monitoring and performance work
  • Ongoing integrations and improvements

FDE rates are indicative and may vary based on the level of expertise and project requirements.

09 — Certifications

Certified to the highest standards

  • ISO/IEC 27001

    Information security management, audited annually.

  • GDPR compliant

    Data processing agreements and EU-hosted infrastructure on request.

  • Clutch Top Developer

    Verified client reviews, 4.9 average rating.

  • HIPAA-aware delivery

    Process and infrastructure for regulated healthcare products.

11 — FAQ

Frequently asked questions

How long does custom software development take?

A focused MVP can take eight to twelve weeks. Larger platforms with multiple workflows, integrations, and complex requirements usually take several months, with milestones agreed before development starts.

How much does custom software development cost?

The cost depends on the product scope, integrations, complexity, and development timeline. We define the requirements during discovery and provide a clear estimate based on the solution you actually need.

Can you integrate with our existing systems?

Yes. We connect custom software with the tools and platforms you already use, including APIs, databases, third-party services, internal systems, and keep data flowing reliably between them.

Who owns the source code?

The repository, infrastructure, documentation, and other project assets belong to you, with optional ongoing support from us after launch.

Why choose RERO for custom software development?

We bring senior developers across web, mobile, and AI together in one team. We take care of the full development process and build software around your business, giving you a product you fully own and can continue to grow.

Tell us about your software

Describe what you’re trying to build or improve. We’ll come back with an initial estimate and the key questions to clarify before development begins.

Or write to info@rerotech.com

Schedule a consultation

Tell us what you are looking to build. A senior engineer will get back to you to agree a time and the right approach.

Or write to info@rerotech.com