Custom Software Development for Ecommerce: Build What Your Platform Can’t Do
Applications, ERP adapters and commerce extensions around the systems you already own. We check what settings or ready connectors cover first, then build only what is missing.
Describe your workflow- 4.9/5 on Clutch
- 431+ projects delivered
- 14 years on the market
Trusted by
Partner of
- Adobe
- Shopware
- BigCommerce
- Shopify Plus
- Emporix
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4.9/5
Overall review rating by Clutch
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431+
Successfully delivered projects
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3.5 yrs+
Avg engagement duration
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14 yrs
On the market
What our custom software development services include
Dinarys builds custom applications, integrations and extensions around your ecommerce platform and ERP, starting with a clear scope.
Build, buy or extend assessment
Before any code, we check whether a fix, a setting or a ready connector already solves the task.
Commerce platform extensions
When your platform fits except for one rule, we extend it and keep future upgrades safe.
ERP adapters and integrations
Adapters that move orders, prices and stock between your store and ERP when standard connectors fall short.
Custom ecommerce applications
A new application when an important workflow is not covered by any existing tool and is worth owning.
Back-office tools for operators
Screens where your team finds failed orders and records, fixes them and sends them through again.
Work on an existing application
We review the code, tests and documentation another team built, keep what works and continue from there.
Custom software
development use cases
Custom development makes sense when your commerce platform, ERP and tools cannot cover a workflow that matters to revenue or operations.
Typical situations where custom development delivers the most value:
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ERP and system connectors
Your ERP or legacy system has no reliable connector, so orders, prices or stock move between systems by hand.
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Unique business logic
Contract pricing, quotes, approvals or subscription rules that plugins and standard settings cannot handle reliably.
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Marketplaces and portals
You need a multivendor marketplace, buyer portal or partner platform built around your own business model.
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Payment and checkout modules
A payment provider or checkout flow your platform does not support out of the box needs a custom module.
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Operator tools and dashboards
Your team needs internal tools for exceptions, approvals or reconciliation instead of working across spreadsheets.
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Gaps between existing tools
Most of your stack works, but one workflow between platform, ERP and other tools still needs manual work.
Trusted in our clients’ own words
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5.0
What is most impressive is that they operate as a true strategic partner, not just a vendor.
The impact on our business has been transformative... Their proactive, forward-thinking approach is unique. They are constantly three steps ahead, bringing new ideas for our roadmap and pushing us to innovate in areas like customer journey, operations, and scalability.
Read full review
Tarek Yafi
Co-Founder at Undrgoods
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5.0
They are truly excellent in all aspects, and it’s a pleasure working with them.
They really care for the business and delivering great outcomes for us - they work work, diligently and strive for quality… Really experienced and right attitude of people: highly-skilled, intelligent, passionate about their work. Internal processes are excellent: well-organised, clear, repeatable.
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Dr. Petros Demetriades
CTO, Untamed Cat Food Ltd
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5.0
We especially liked their level of professionalism and attention to detail.
Dinarys effectively addressed all aspects of the project. The team’s ability to adhere to the agreed schedule was exemplary. Dinarys is very flexible and responds quickly to dynamically changing requests. All our expectations were met.
Read full review
Joseph Frank
CEO, Kaizen Technology Solutions
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5.0
Dinarys GmbH consistently meets our expectations and delivers high-quality work throughout the project.
They consistently prioritized our needs and vision. They were quick to adjust strategies when needed. They prioritized delivering high-quality work rather than rushing to meet quotas. Their team showed deep knowledge and skills in mobile app development.
Read full review
Yann Rigo
CIO, Panodyssey
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5.0
Their ability to communicate effectively while maintaining a positive attitude made the entire process smooth.
Dinarys brought extensive technical expertise to the table, consistently delivering solutions that met our needs with precision and innovation. One of the most unique aspects of working with Dinarys was the excellent "chemistry" between our team and theirs. This synergy made it easy to tackle challenges and move the project forward with confidence.
Read full review
Aaron Freitag
Managing Director, myfelt GmbH
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Read our reviews on Clutch
Compliance and partner status
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GDPR compliant
See our privacy policy -
HIPAA compliant
See our healthcare work -
Adobe Certified Solution Partner
As stated on our Clutch profile -
Shopware Certified Solution Partner
As stated on our Clutch profile -
Certified BigCommerce Partner
As stated on our Clutch profile
Agentic SDLC
AI-powered custom software development
AI coding agents take the routine code, tests and docs, so your budget goes into the logic your platform can't handle. We also build AI agents into ERP, order and support workflows.
Agents at every stage, engineers steering
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Plan
Agents draft specs, user stories and acceptance criteria from your tickets, docs and code. Engineers sharpen them with you.
- Claude Code
- OpenAI Codex
- MCP
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Audit and estimate
Agents map your codebase, dependencies and risky modules before we quote, so estimates rest on facts.
- Claude Code
- Cursor
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Build
Coding agents work in your repository with project rules and context. Engineers steer and own the design.
- Claude Code
- Cursor
- GitHub Copilot
- OpenAI Codex
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Test
Agents write unit and end-to-end tests with every change, so testing stops being the bottleneck.
- Playwright
- PHPUnit
- Pest
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Review and secure
Every pull request gets an AI review and a security scan. A senior engineer approves before merge.
- CodeRabbit
- Semgrep
- Snyk
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Ship and operate
Quality gates run in CI on every change. Agents help trace incidents from logs and alerts.
- GitHub Actions
- Sentry
- Langfuse
Agents take the heavy lifting. Senior engineers set direction, review every change and own what ships.
AI platform stack
What we use to build agents and AI features into stores, portals and back-office tools.
- Models
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- Anthropic Claude
- OpenAI GPT
- Open-weight models
- Agent frameworks
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- LangGraph
- OpenAI Agents SDK
- Claude Agent SDK
- Model Context Protocol
- Retrieval (RAG)
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- pgvector
- Qdrant
- Elasticsearch
- OpenSearch
- Enterprise AI cloud
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- Amazon Bedrock
- Azure OpenAI
- Evals and guardrails
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- Langfuse
- Promptfoo
- Evals in CI
- In commerce
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- Semantic search
- Recommendations
- Product content
- Support agents
- Demand forecasting
Engineering stack
The platforms and tools under every project.
- Commerce and PIM
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- Adobe Commerce (Magento)
- Shopify Plus
- BigCommerce
- Shopware
- Spryker
- Salesforce Commerce Cloud
- commercetools
- Pimcore
- Languages
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- PHP
- TypeScript
- Python
- Kotlin
- Swift
- Frameworks
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- Laravel
- Symfony
- Node.js
- React
- Next.js
- Vue
- Data
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- PostgreSQL
- MySQL
- MongoDB
- Redis
- Elasticsearch
- Kafka
- RabbitMQ
- Cloud and DevOps
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- AWS
- Google Cloud
- Azure
- Docker
- Kubernetes
- Terraform
- GitHub Actions
- GitLab CI
- Bitbucket Pipelines
- Monitoring
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- Grafana
- Prometheus
- ELK Stack
- Sentry
How we work
We start with the simplest route that works and build only what your current tools cannot do.
1. Find the real cause
We check whether the problem is a defect, a missing setting or an extra manual step.
2. Test what you already own
We try your platform’s settings and ready connectors on your real data before proposing any code.
3. Plan only what is missing
If one rule or interface is missing, we extend your platform instead of building a new system.
4. Agree on scope and estimate
You get a short written scope and an estimate with assumptions, exclusions and the first milestone.
5. Build and test the full flow
We test the whole flow from storefront to ERP, including errors, timeouts and repeated orders.
6. Launch and hand over
We release in stages with monitoring, then hand over code, documentation and access to your team.
What you get
A working first release, costs you can compare and software another team can take over.
A clear, fixed scope
A written list of what stays, what we extend and what we build, so scope does not creep.
The full cost of ownership
Development compared with licenses, hosting, support, upgrades and manual work over the same period.
A handover another team can run
Code, configuration, deployment steps, interface documentation and test results, with ownership and access confirmed.
Case studies
SanMar: custom ERP connector
Client task
SanMar needed its B2B and B2C websites to exchange product and order data with an ERP using an outdated format.
What we delivered
– Custom connector from ERP format to Magento
– Migration of the B2C store to Magento 2
– Documentation of the B2B website and changes
Result
The client kept its ERP, and product and order data now sync with both websites in real time.
MedExcess: custom multivendor marketplace
Client task
MedExcess, a US healthcare supplies marketplace, needed a platform where only verified vendors sell and buyers use one account.
What we delivered
– MVP marketplace built from scratch
– One-step checkout, one-time passwords, multi-filtering
– Barcode scanner, product requests, tenant network
– Inventory and expiration-date tracking tools integrated
Result
Vendors handle orders with a barcode scanner and one-step checkout, and buyers find products through multi-filtering.
ConnectPay: payment modules for Magento and Shopware
Client task
ConnectPay, a Lithuanian fintech, needed Magento and Shopware modules to collect payments from customers’ bank accounts in four countries.
What we delivered
– A new payment method at checkout
– Module settings in the admin panel
– Authorization and payment-status checks via API
– Install guides and marketplace-ready modules
Result
Shoppers pay through local banks with instant status updates, and store owners reconcile payments automatically.
Why companies choose Dinarys
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01
Delivery governance built into engineering
We bring structure, predictability, and control into software delivery.
Our approach is shaped by PMI-based project management, quality gates, risk management, and a success-first delivery culture.
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02
Accountable engineering
We do not only take tasks and write code.
We analyze the business and technical context, identify the real bottleneck, challenge weak assumptions when needed, and take responsibility for the technical outcome.
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03
Senior expertise for CTO-led execution
We support technical leaders with experienced engineers, architecture expertise, and practical roadmap execution.
This helps CTOs and Fractional CTOs stay strategic while having a reliable team to execute.
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04
Curated teams, not generic outstaffing
Every dedicated team is built around the client’s actual requirements, workflow, culture, risks, and delivery context.
We assess technical skills, soft skills, project fit, culture fit, communication style, and risk factors before proposing engineers.
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05
Practical AI, from the process
We start from the business process, compare platform features, ordinary automation and AI, and use AI only where it removes real work.
Every AI step gets quality checks and human oversight.
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06
A partner that has your back
Good delivery depends on trust, honest communication, and people who care about the outcome.
We stay close to the problem, speak openly, involve the right experts, and do not leave clients alone with delivery risk.
Frequently asked questions
When an important workflow is still not covered after you have tried your platform’s settings and ready connectors. If only one rule or interface is missing, we extend the platform instead.
Not by default. Your platform, ERP and working connectors stay in place. We add an adapter or extension only for the part they cannot handle, and stop if configuration covers it.
Cost and timing depend on the interfaces, business rules, data quality and how fast your team can review work. Each estimate lists assumptions, exclusions and the first milestone, so you can compare options.
A fixed-scope deliverable, a time-and-materials backlog with spending controls, or a dedicated team working from your backlog. We confirm the model for your request.
Code ownership, licenses and access are set in the contract. At handover you get the code, configuration, deployment steps, interface documentation and test results, so another team can take over.
Yes. Before the first milestone, we review the code, tests, documentation and known defects. We keep what works instead of restarting discovery or rewriting the system.
Discuss your custom software project
Describe the workflow your tools cannot handle and where your team re-enters data by hand. We will suggest the simplest route.
Related services and case studies
- ERP integration services
- Ecommerce software development
- Custom retail software development
- Ecommerce catalog management services
- B2B portal development
- SanMar ERP integration case study
- MedExcess marketplace case study
- Hire ecommerce developers
- Adobe commerce development agency
- BigCommerce website development services