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Kotlin Developers

Pre-vetted talent · First shortlist within 48 hours

Updated · Reviewed by the Exzev recruitment team

Kotlin, Coroutines, Android & JVM — Kotlin engineers who ship reliable mobile apps and backend services.

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120+

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48h

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2,847

Pre-vetted profiles across roles

31

Countries covered across the talent pool

Hiring Guide + Shortlist

Use this page as both your hiring playbook and your shortcut to vetted Kotlin Developer talent.

The guide below walks through role definition, sourcing, screening, compensation, and onboarding. If you already know what you need, use the shortlist form and we'll match against candidates we've already assessed.

Best For

Founders hiring their first senior Kotlin Developer

CTOs or executives building a stronger team around this function

Hiring managers who need a shortlist and a rigorous interview framework

In This Guide

How to define whether you need a Kotlin Developer or a different technical profile

What a strong Kotlin Developer job description looks like — and what to remove

How to structure technical screening and final-stage interviews

What compensation bands and first-90-day onboarding plans look like in 2026

What You'll Get

How to define whether you need a Kotlin Developer or a different technical profile

What a strong Kotlin Developer job description looks like — and what to remove

How to structure technical screening and final-stage interviews

Kotlin Developer Hiring Guide — Coming Soon

Our team is writing a complete hiring guide for Kotlin Developers. In the meantime, use the shortlist form to get pre-vetted candidates in 48h.

Talent Pool Snapshot

2.3k+ Kotlin Developers.
Scored. Filtered. Ready.

766

Open to offers

8.5

Avg EXZEV score

20

Countries covered

Actively seeking
Employed · Open to offers
Not available
Blacklisted
Full access for clients only

O. ****

Lead

Lead Kotlin Developer

·

Remote

Actively seeking
Soft 8.6Hard 8.7

R. *****

Lead

Lead Kotlin Developer

·

Cyprus

Employed · Open
Soft 9.1Hard 9.5

V. ******

Mid

Kotlin Developer

·

UAE

Employed · Open
Soft 8.2Hard 8.5

O. *******

Mid

Kotlin Developer

·

Remote

Employed · Open
Soft 8.6Hard 8.5

D. *****

Mid

Kotlin Developer

·

Netherlands

Blacklisted

I. ******

Mid

Kotlin Developer

·

USA

Actively seeking
Soft 9.3Hard 9.5

C. ******

Mid

Kotlin Developer

·

France

Actively seeking
Soft 9.1Hard 9.6

F. *****

Lead

Lead Kotlin Developer

·

USA

Employed · Open
Soft 8.5Hard 8.7

O. ******

Lead

Lead Kotlin Developer

·

Singapore

Not available
Soft 7.6Hard 7.9

T. ********

Lead

Lead Kotlin Developer

·

Poland

Blacklisted

V. ******

Senior

Senior Kotlin Developer

·

France

Employed · Open
Soft 8.9Hard 9.4

C. ********

Mid

Kotlin Developer

·

UAE

Actively seeking
Soft 9.5Hard 9.9

A. ******

Lead

Lead Kotlin Developer

·

UK

Actively seeking
Soft 9.2Hard 9.7

E. ******

Senior

Senior Kotlin Developer

·

Germany

Blacklisted

F. ****

Senior

Senior Kotlin Developer

·

USA

Actively seeking
Soft 9.2Hard 9.7

F. ********

Lead

Lead Kotlin Developer

·

Cyprus

Not available
Soft 9.1Hard 9.4

B. *****

Mid

Kotlin Developer

·

France

Actively seeking
Soft 7.8Hard 8.2

C. ******

Mid

Kotlin Developer

·

Netherlands

Employed · Open
Soft 8.4Hard 8.9
2,320 profiles — available to clients only
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Client Reviews

What clients say

5.0 · 6 verified clients

“Exzev delivered a shortlist of senior backend engineers in under 40 hours. We hired two from the first batch — no back-and-forth, no wasted interviews.”

CTO

Series B Fintech

“We'd been trying to hire a Staff Engineer for three months. Exzev closed the search in two weeks. Their vetting is genuinely rigorous — not just resume screening.”

VP Engineering

Enterprise SaaS

“Finding a Solidity engineer who also understands protocol security is nearly impossible. Exzev found us exactly that in under a week. Still can't believe it.”

Founder & CEO

Web3 Infrastructure

“The flat-fee model is a breath of fresh air. No surprises, no upselling. Just fast, quality hiring for technical roles. We've used them three times now.”

Head of Talent

Healthtech Scale-up

“We refer Exzev to every portfolio company that needs senior engineers. Consistent quality across very different tech stacks and geographies.”

Managing Partner

Early-stage VC

“Hired an AI Engineer and a Data Engineer through Exzev. Both are still here 18 months later. That's the real metric — not time-to-hire, retention.”

Engineering Manager

AI/ML Platform

Frequently Asked

Hiring a Kotlin Developer: common questions

How much does it cost to hire a Kotlin Developer in 2026?

A Kotlin Developer typically costs S$12,375/mo – S$16,725/mo in total monthly compensation for a senior hire working remotely, with an upward skew for US-based and executive roles. On top of base, budget 10–25% for equity or bonus and roughly 15–20% fully-loaded overhead. Exzev fees start from 12% of the hire's annual compensation, invoiced only after the candidate starts work, with a free replacement within 1–3 months depending on the role.

How long does it take to hire a Kotlin Developer through Exzev?

First shortlist lands in 48 hours. Most Kotlin Developer searches close between two and six weeks end-to-end, versus a market average of roughly 40 days for this role and location. The main drivers are interview throughput on your side and how tightly scoped the brief is — we guide both before sourcing starts.

What is the difference between a senior and mid-level Kotlin Developer?

A senior Kotlin Developer owns outcomes across ambiguity; a mid-level one executes a defined scope. For a first Kotlin Developer hire or a seat that reports to a C-level, always prefer senior — the cost of a bad leadership-adjacent hire typically exceeds two years of fully-loaded salary.

Should I hire a Kotlin Developer full-time or fractional?

A full-time Kotlin Developer makes sense once the work is continuous and headcount-justified. For early-stage or one-off builds (a single product, a migration, an audit), a fractional or contract Kotlin Developer is usually more efficient. Ask one question: will this person be fully utilized inside six months?

Can I hire a Kotlin Developer remotely or fully distributed?

Yes. Our active talent pool for this role spans roughly 2,320 pre-vetted candidates across 30+ countries, most of them comfortable with async-first or overlap-based remote setups. We match candidates to your working hours, location preferences (EU, US, UAE) and compliance constraints (EoR, contractor, local entity) before they reach your shortlist.

How does Exzev screen Kotlin Developer candidates?

Every Kotlin Developer we send you has passed a three-stage screen: structured scoping interview, a live working session on a problem drawn from your brief, and two reference checks with named peers. We reject the majority of sourced candidates — you only meet the top of the funnel.

Find your Kotlin Developer — shortlist in 48h

5.0· 120+ companies

Role

Seniority

Location

Your Name

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