Professional Infrastructure

The operating layer for ambitious professionals.

Find work, get mentored, build teams, and raise capital.

Maya Okonkwo
Maya Okonkwo
Staff Engineer
Diego Ramirez
Diego Ramirez
Product Lead
12.4k
professionals
already inside
Priya Nair
Priya Nair
Eng Manager
<3s
AI-ranked search results
94%
Average match accuracy
3
Industries at launch
0
Resume theater tolerated
For Talent

Everything your career needs, in one place.

Get hired

Roles that match your signal — ranked, not scrolled.

AI-powered matching. Real signal.

Kollars reads what you've actually shipped and surfaces the roles where you'd thrive. No keyword spam, no ghost listings. Just the few that matter, ordered by fit.

Explainable match score on every role
Verified comp ranges, upfront
Apply privately — your search stays yours
Explore roles →
Ranked for you · 12 new this week
D
Staff Engineer
Datafold · Remote
96%
L
Senior Backend
Linear · Berlin
92%
R
Platform Lead
Ramp · NYC
88%
Find mentorship

Learn directly from people who've done it.

Real 1:1s. Matched to your goals.

Book time with staff engineers, VPs and founders who've shipped what you're trying to build. Not a course library you'll never finish — real humans, real conversations.

Matched by domain and career stage
Vetted mentors with verified track records
Single session or ongoing — your call
Browse mentors →
Available now
Marcus Johnson
Marcus Johnson
VP Eng · ex-Stripe · Scaling teams
★ 4.9
Jonas Reyer
Jonas Reyer
Founder · ex-Datadog · 0-1 infra
★ 5.0
Upskill with courses

Close the exact gap keeping you from your next role.

Curated, not overwhelming.

Kollars maps the skills missing between where you are and the roles you want, then points you to the handful of courses that actually close that gap — not an endless catalog.

Personalized to your skill gaps
Curated from trusted providers
Tracked against real job matches
Browse courses →
Recommended for you · Based on your gaps
GAP
Systems Design at Scale
Educative · 6h
Distributed Systems
GAP
Advanced Kubernetes
KodeKloud · 4h
Kubernetes
NEW
Staff Engineer Playbook
Maven · Cohort
Leadership
For Employers

Find talent on what they can actually do — not just years on a resume.

Deeper matching

Match on tech stack, not just title.

Languages, frameworks, certifications — the real signal.

Experience level alone doesn't tell you if someone can do the job. Kollars ranks candidates on the specific languages, frameworks, and certifications your role actually needs — the senior engineers you can't find on a job board, surfaced in seconds.

Match on languages, frameworks & certifications
Plain-English search, ranked in under 3s
Verified contacts, open-to-offers first
Start a search →
Top candidates · Match ≥ 85%
Maya Okonkwo
Maya Okonkwo
Staff · Berlin · Open to offers
94%
TypeScriptReactAWS Certified
Diego Santos
Diego Santos
Senior · São Paulo · Open to offers
91%
GoKubernetesgRPC
Priya Nair
Priya Nair
Staff Platform · Bengaluru · Not actively looking
89%
PythonTerraformCKA Certified
How matching works

A two-way connection, not a one-way search.

The moment a job goes live, it's already being matched against talent — and the moment a profile updates, it's matched against open roles. Neither side has to go looking.

Job posted
Senior Backend Engineer
Go · Kubernetes · gRPC required
GoKubernetesgRPCPostgreSQL
96% MATCH
Profile matched
Diego Santos
Diego Santos
Senior · São Paulo
GoKubernetesgRPCCKA Certified
Both sides matched instantly on post/update
Ranked by tech stack, certifications & fit
No stale search — matches refresh automatically
For Founders & InvestorsComing Soon

The network for building and backing what's next.

For foundersComing Soon

A dashboard for building the company, not just the product.

Mentors, investors, and startup knowledge — connected.

Founders get a dashboard that connects them to mentors who've built before, investors actively looking to back operators like them, and the startup-building knowledge to close the gaps in between.

Direct line to founder-focused mentors
Matched to investors backing your stage & sector
Startup-building courses, curated to what you need next
Join the waitlist →
Seed round · Live
$2.4M of $4.0M committed
7 investors committed
Your mentor matches
Marcus JohnsonVP Eng · ex-Stripe
Jonas ReyerFounder · ex-Datadog
For investorsComing Soon

See the founders who fit your thesis — before anyone else does.

Matched to your profile, not a spray-and-pray inbox.

Kollars connects investors to founders that most fit their profile — stage, sector, check size — so deal flow comes to you already qualified.

Founders matched to your stage & sector thesis
Verified traction and team signal, upfront
Warm intros, not cold inbound
Join the waitlist →
Matched founders · Fits your thesis
N
Nina Alvarez
Founder · Fintech · Pre-seed
93%
K
Kwame Osei
Founder · DevTools · Seed
90%
S
Sara Lindqvist
Founder · Climate · Pre-seed
87%
Join the waitlist

Your career is bigger
than a job search.

Join the operating layer built for the long game.