DL-ORG · About us
Built for the problems others avoid.
Deltologic is an engineering organization for marketplace and e-commerce businesses. Since 2020 we have built the integrations, automation, data and AI systems that sellers, vendors, agencies and enterprise brands run on, on Amazon and the other channels they sell through.
- Founded
- 2020
- Engineers
- 30+
- Builds
- 200+

An engineering organization, not an agency
Commerce systems grow faster than anyone designs them.
- F-01
Integrations break when a marketplace changes its API.
- F-02
Numbers stop matching the marketplace's own reports.
- F-03
Customer and order data is handled loosely.
Most teams route around these problems. We were built to take them on.
Organization dataDL-ORG
We work on one kind of problem: the software marketplace businesses run on.
- Team
- Engineers, solution architects and project managers
- Based
- Poland, with team members in Warsaw, Bangkok and Berlin
- Specialty
- Marketplace and e-commerce APIs: Amazon, Walmart, Shopify, Etsy and more, since 2020
- Clients
- Sellers, vendors, agencies, enterprise brands and research institutions
- Reach
- North America, South America, Europe and Asia
- Engagements
- Long-term: most projects grow into ongoing collaborations
How we engineer: audit, stabilize, build, secure
Every engagement follows the same order. We do not build on a system we have not read, and nothing goes live before its boundaries are checked.
Audit→
Read the system as it is: code, data flows, Amazon accounts, costs. Rank the weaknesses.
Stabilize→
Fix what the audit found, in order of risk, until the system behaves predictably.
Build→
Extend a stable foundation: integrations, internal tools, AI and data applications.
Secure→
Check every access path, credential and data flow, and keep customer data protected.
How we work with clients

Partnership, not hand-offs. We work inside your team's rhythm and stay accountable for the outcome.
- 1.
We learn your business model before writing code
- 2.
Transparent communication and clear ownership of every task
- 3.
Pragmatic decisions instead of overengineering
- 4.
Predictable delivery and measurable outcomes
Our history
Started without outside funding, specialized early, and grew with the clients who trusted us with core systems.
| Rev | Year | Change | Description |
|---|---|---|---|
| A | 2020 | Beginnings as Self Made | A small, self-funded software agency focused on software that solves real business problems. |
| B | 2021 | Deltologic | Rebranded as Deltologic and built a structured engineering and delivery organization. |
| C | 2022 | Marketplace specialization | Focused on marketplace software and worked with universities researching Amazon. |
| D | 2023 | Consulting and architecture | Added consulting and system architecture advisory, on-site workshops and international industry conferences. |
| E | 2024 | New headquarters and the SP-API course | Opened a new headquarters and launched our Amazon SP-API course. Brought AI into client solutions and our own workflows. |
| F | 2025 | DataDoe | Launched DataDoe, our own product, at an industry conference in Las Vegas. Expanded on-site work in Europe and the U.S. |
| G | 2026 | AI adoption for commerce | AI and data audits, AI adoption programs, and DataDoe as the Amazon data layer for AI agents. |
The people behind the work
The people you meet on a call are the people responsible for the delivery.
Who trusts us with their systems
Some of the world's largest manufacturers, global brands, Amazon sellers and agencies, and university research teams.
Reference registerR-01 – R-09
- R-01
Pharma
- R-02
Eyewear
- R-03
Distribution - R-04
Automation
- R-05
Logistics
- R-06
Automotive
- R-07
Books - R-08
Electronics - R-09
Apparel

R-01AbbVieNorth Chicago, Illinois, USA
Biopharmaceutical company behind Humira and Skyrizi.
Engagement details are not published.
Even though we don’t see each other on a daily basis, they feel like part of our internal team. They are phenomenal engineers, fully engaged in what we do, and their dedication is evident in every implemented project.
Built in-house.
P-01Product
DataDoe, a Deltologic product
Some problems came up often enough that we built a product for them: DataDoe, the Amazon data layer for AI agents. It runs as its own company.
Visit datadoe.com ↗P-02Education
The Amazon SP-API Course
We teach what we build. Our free Amazon SP-API course covers Amazon's Selling Partner API in four modules and 22 lessons, taught by Jakob Wolitzki.
Go to the course ↗Bring us the hard problem.
Tell us what has to work, what it runs on today and what happens when it fails.
Discuss a project→


