DWS
Custom internal tools for automated price and invoice comparison
Construction and maintenance I Germany I 4-person team I 3 years engagement (from 2021)
The Clients
- Industry:
- Construction and maintenance
- Location:
- Germany
- Delivery model:
- Dedicated team
- Duration:
- 3 years (from 2021)
- Support areas:
- Improve operational efficiency through integrated internal systems
- Platform context:
- An internal tool to manage and process a large volume of pricing and invoice data.
The challenge
DWS needed an internal tool to manage and process a large volume of pricing and invoice data.
• Manual price and invoice comparisons were causing errors and inefficiencies
• Employees handling large volumes of data and paperwork
• Managing and comparing invoices from multiple vendors
Dealing with a similar setup? Let’s discuss your requirements.
What the client needed
DWS required a smart, innovative, and practical internal solution that could:
Evaluate thousands of different pricing options
Compare invoices from multiple vendors
Manage a large volume of invoices efficiently
What Sunbytes Delivered
With multi-stage development engagement, Sunbytes helps:
Design, build, and deployment of multiple integrated internal tools
Provide a dedicated team of four developers
Close collaboration with DWS internal teams to integrate solutions into the existing environment
Want to see if the fit is right for your team?
Why teams choose Sunbytes
A Netherlands-led delivery partner for stable dedicated teams, clear ownership, and roadmap capacity that can scale without resetting context.
Roadmap-first team design
Your team is shaped around roadmap goals, product context, skill gaps, and delivery risks—so capacity matches the work, not a generic squad template.
Product ownership stays with you
You keep backlog, priorities, acceptance, and product decisions; Sunbytes supports execution rhythm, quality, continuity, and team performance.
Stable team context
Dedicated teams retain product knowledge across releases, reducing repeated onboarding, handoff loss, and context rebuilds between roadmap phases.
Governance that fits your workflow
Sprint planning, review cadence, DORA metrics, risk tracking, and monthly service reviews are adapted to your delivery model—not forced into one process.
Continuity built into the model
Structured handover, documentation, replacement support, and performance check-ins protect delivery when team composition needs to change.
Secure cross-border delivery
ISO 27001-certified operations, GDPR-aware processes, access governance, and Vietnam delivery capacity help your team scale with stronger control.
What the team covered
The engagement included close collaboration between a dedicated Sunbytes development team and DWS internal teams to cover:
A custom dashboard
for employees to access key toolsAn internal searchable knowledge base
with product descriptions and assetsA price comparison tool
with automated classification and comparison of pricing lists from multiple vendors, handling approximately 800,000 products dailyAn invoice comparison tool
enables loading and parsing invoices from SFTP in EDIFACT and IDOC formats, supporting comparisons across suppliersAn Elastic Search algorithm
for keyword detection based on past queriesConnections with Minio and Directus
for secure digital asset storage and flexible processing
Outcomes
The collaboration resulted in:
-
Operational efficiency
Significant improvement in operational efficiency by
replacing manual tasks. -
State-of-the-art solutions
Sustained value and impact, reflected in client compliments on the state-of-the-art solutions after three years of partnership.
In their words
“Working with the Sunbytes team has given me the benefit of working with flexible well-trained developers without losing control over the project, scope, and impact.”
Oliver Fuchs
Digital Specialist, DWS
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