Product Engineering
Your product
proved itself
Let’s make it better
Product Engineering helps strengthen proven digital products for the next business stage, whether that means cleaner engineering, better reliability, larger customers, investor due diligence or stronger security requirements.
A proven product may need better engineering for different reasons
Sometimes growth exposes a limitation.
Sometimes the product simply deserves a stronger foundation before the business asks more from it.
Support more users and larger customers
Higher usage or bigger accounts bring new expectations around reliability, performance, access, integrations and how the product is operated.Meet stronger security requirements
Customer reviews or frameworks such as SOC 2, ISO 27001 or NIS2 can introduce stronger expectations around controls, security and evidence.Prepare for investor scrutiny
Funding, acquisition or partnership discussions can bring technical due diligence beyond the demo, including questions about the product and what sits behind it.Improve what sits behind the product
The product works, but the code, structure or delivery setup needs improvement so future changes become easier, safer and more predictable.
Start with
Product Blueprint
The Product Blueprint looks at where the product is today, what the business needs from it next and which engineering work is worth doing.
What can
stay
Separate the parts already doing their job from the areas that genuinely need attention. Good product value does not need to be rebuilt for the sake of it.
What should
improve
Identify where the code, product structure, reliability, security or operating setup needs to become stronger for what the business wants to do next.
What should happen first
Prioritize the changes most closely tied to your customers, growth plans, funding requirements or security needs instead of treating everything as equally urgent.
What the next phase looks like
Get a phased engineering plan with expected effort, delivery direction and the relevant hosting, operational or security considerations for the product.
From Product Blueprint to a stronger product
The Blueprint defines what the product needs.
From there, Sunbytes can continue through the stages that make sense for your business.
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1. Blueprint
Understand what can stay, what should improve, what comes first and what the next phase requires before major engineering work begins.
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2. Rebuild
Re-engineer the parts identified in the Blueprint, in phases. Where possible, the existing product keeps running while stronger components are introduced.
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3. Run
Host and operate the product with monitoring, backups, deployment support and agreed service levels when ongoing product operations are part of the engagement.
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4. Evolve
Keep improving the product with a right-sized engineering team as features, customers and business requirements continue to change over time.
Still testing an AI-built MVP?
Why Sunbytes
Software engineering is our core
Sunbytes has spent 15+ years building and improving digital products, with experience across development, QA, DevOps and ongoing product delivery.
Engineering and security can work together
When product improvement brings new security or compliance requirements, engineering work can connect directly with Sunbytes’ cybersecurity and assurance capability.
Clear ownership from plan to delivery
The Product Blueprint creates a clear starting point, while the same delivery capability can continue into engineering, operations and ongoing product development where needed.
Dutch-led, globally delivered
Clear client accountability from the Netherlands, backed by engineering and specialist capability in Vietnam.
15+ years supporting businesses
across 20+ countries
Customer success is our priority
One global site that performs the same in 21 languages
Marketing campaigns outpaced internal dev capacity. Sunbytes took on site performance, DevOps and code review so releases stayed on schedule across every localized version.
600k+ customers served · 21 localized versions · 8 engineers
Price and invoice comparisons automated at scale
Manual price and invoice comparisons were slow and error-prone. Sunbytes built integrated tools to classify pricing data, parse supplier invoices, and automate comparison across vendors.
Up to 800K products · ~150K invoices · 10+ suppliers
One scalable platform supporting 50M+ monthly visitors
Flexpress was managing a growing portfolio of publisher sites across different technologies. Sunbytes consolidated them onto a unified core platform and strengthened the architecture for high-traffic, campaign-driven workloads.
Hundreds of features delivered · 2M+ user ecosystem · 9-person team
A full website relaunch with continuous product evolution
JancisRobinson needed to rebuild and relaunch its website without disrupting ongoing operations. Sunbytes supported frontend and backend development, integrated an AI chatbot, and stayed involved for continuous platform improvement.
Revenue up 25% · 3,005 new users in 2025 · 4-year partnership
From concept to a working prototype in 3 sprints
SandGrain needed to turn its post-quantum authentication concept into a secure, scalable cloud platform without compromising reliability. Sunbytes assembled a seven-person multidisciplinary team and delivered a functional prototype in three sprints.
15 releases · 3,380 test cases · 1,777 automated tests
Keeping high-traffic media platforms moving for six years
Recurrent Ventures managed multiple high-traffic news sites across modern and legacy systems. Sunbytes supported WordPress development, bug mitigation, SEO, DevOps and QA to improve stability, search performance and delivery consistency.
6-person dedicated team · 6-year partnership · Tens of millions of monthly users
Legacy database rebuilt with full migration in five months
3Rs Centre Utrecht needed to modernize a web-based research database running on a non-standard CMS. Sunbytes rebuilt it on WordPress, migrated the legacy data, and improved the user experience.
WordPress rebuild · Full legacy data migration · Delivered on schedule
A delivery partner with proof beyond the project plan
Sunbytes has supported international software delivery since 2011 across hundreds of projects. That experience shapes how scope, ownership, quality, and release decisions work.
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15+
Years building software -
300+
Projects delivered -
20+
Countries
Ready to make your proven product better?
Tell us where the product is today and what the business needs from it next.
We will help you understand what can stay, what should improve and whether a Product Blueprint is the right place to start.
