All researchers
Researcher
Dr. Niko Pajari
Niko leads the software-engineering programme at Apex — whole-repo planned edits, cross-language migration, the on-call agent. His work brings the model into the editor and the CI loop without making the engineer's job harder. Before Apex, he led infrastructure work at a major cloud platform.
Recent
Recent papers and notes.
A slice of what Niko has been writing. External papers link to the research log; internal notes link where we can.
- 01Long-horizon agents on real codebases (Apex, 2026)
- 02Memo on long-horizon agent evaluation (Pajari, 2026)
- 03CommitBench refactor benchmark (Apex internal, 2026)
The open problem
“What is the right metric for a PR that's better than the human one but slower?”
Interests
- · Whole-repo planned edits
- · Cross-language semantic equivalence
- · On-call agent runtime
If you work on this — or have a strong view — write to research@apexworldlabs.com. We respond to every researcher inbound.
Work on a problem on this page.
Apex hires small numbers of unusually senior people. If you've worked on the problem the researcher above is open on — write to careers@apexworldlabs.com with a one-page brief.