What DevExpert.io - Android & Kotlin Training does

DevExpert.io is an online technical education platform that delivers training in Android development, Kotlin programming, Jetpack Compose, software architecture (Clean Architecture, SOLID, design patterns), Test-Driven Development, and applied AI for developers. The product portfolio centers on two flagship programs — 'AI Expert', a live 6-week cohort-based training on AI-assisted developer workflows, and 'Architect Coders', a video-based program with 6 months of tutor support covering software architecture and code quality — supplemented by self-paced courses (Kotlin Expert, Compose Expert, Testing Expert, Accessibility Expert) and a bundled 'Android Boost' fundamentals track. Course delivery is through a proprietary academy platform (academia.devexpert.io) with video content, downloadable code repositories, and per-exercise commits; a free blog and a weekly 'Devsletter' newsletter sit at the top and mid-funnel. The founder and sole instructor is Antonio Leiva, a Google Developer Expert (GDE) in Android and JetBrains Official Training Partner, who has authored the book 'Kotlin For Android Developers' and operates the English-/Spanish-language YouTube channel 'DevExpert - IA para Desarrolladores'.

The business model is a hybrid of direct-to-consumer course sales and enterprise in-company training. Individual courses are sold as one-time perpetual licenses with lifetime access and a 15-day money-back guarantee, processed via ThriveCart and Hotmart (the latter handling international VAT). The AI Expert live cohort is a time-bound cohort-based offering purchased through ThriveCart. Enterprise training is quote-based and includes FUNDAE (Spanish subsidized training) administration for Spanish clients. The legal entity is DevExpert, S.L.U., a Spanish Sociedad Limitada Unipersonal registered in Coslada, Madrid. The company is founder-owned and bootstrapped, with no institutional investors, no parent company, and no published headcount beyond the founder.

The customer base is international and bilingual, with testimonials from developers at MercadoLibre, Rakuten TV, CapGemini, BBVA, NTT DATA, Sngular, VASS, Dinamic Área Software, Seidor Opentrends, Happydonia, and YPSOMED, plus students from Spain, Latin America (Colombia, Mexico, Argentina), and elsewhere. Go-to-market is community-led (YouTube, blog, organic SEO), event-driven (speaking at Codemotion and corporate events), and direct-to-consumer for both individual and enterprise offerings. The company does not use third-party resellers or marketplaces; all sales flow through its owned website and academy platform.

Name

DevExpert.io - Android & Kotlin Training

Legal name

DevExpert, S.L.U.

Website

https://devexpert.io

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

1–10 employees

Short description

DevExpert.io is an online training platform founded by Antonio Leiva (Google Developer Expert in Android, JetBrains Official Training Partner) that delivers advanced courses in Android, Kotlin, Jetpack Compose, software architecture, TDD, and AI-assisted developer workflows to individual developers and enterprise teams, primarily via its own academy platform and Spanish-speaking enterprise clients.

Ownership category

akta.pro rank

Product category

Developer Education Services

NAICS

Computer Training (61142), Professional and Management Development Training (611430), Business Schools and Computer and Management Training (6114)

SIC

Services-Educational Services (8200), Miscellaneous Publishing (2741)

akta.pro primary industry

DevOps, SRE & Platform Engineering (CI/CD, IaC, Containers) (EDABAFAC)

akta.pro secondary industries

Technical Bootcamps & Accelerated Reskilling (Full-time/Part-time) (BPAEANAE), Certification & Credentialed Creator Programs (MPACALAI)

Keywords

• Android development training
• Kotlin programming courses
• Jetpack Compose education
• Software architecture training
• AI for developers training

Headquarters

HQ city

Madrid, Madrid

HQ country

Spain

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations

Revenue model

1. Online Course Sales (Individual): DevExpert sells self-paced online courses (Kotlin Expert, Compose Expert, Testing Expert, Accessibility Expert) and the live AI Expert training to individual developers. Courses are delivered through the academia.devexpert.io platform with indefinite lifetime access for self-paced courses. Payment is processed through ThriveCart (card or PayPal). Students have a 15-day money-back guarantee on non-live courses.
2. Live Training (AI Expert): AI Expert is a live training program delivered over 6 weeks for individual developers. This is a time-bound cohort-based training rather than self-paced.
3. Enterprise In-Company Training: Custom training programs delivered in-company for enterprise teams, covering AI for developers and general software development topics. Pricing is quote-based and excludes VAT. Once the live training date arrives, no refund is available.
4. Newsletter / Email Marketing: A free newsletter ('Devsletter') is distributed via Listmonk to subscribers, providing practical AI tips and course promotions. This supports customer acquisition and retention for the core training products.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels7 records

Core offering

DevExpert is an online technical education platform that delivers instructor-led video courses and live cohort training programs on Android, Kotlin, Jetpack Compose, software architecture (Clean Architecture, SOLID principles, design patterns), Test-Driven Development, and applied AI tools for developers. The core catalog centers on the live 6-week AI Expert program and the Architect Coders video-plus-tutor program, complemented by self-paced modules (Kotlin Expert, Compose Expert, Testing Expert, Accessibility Expert) sold individually and via enterprise in-company engagements.

Product overview

DevExpert.io is a software development training platform specializing in Android, Kotlin, and AI education. The company offers a portfolio of training products centered around two main programs: AI Expert (a live 6-week AI training for developers) and Architect Coders (video-based architecture training with tutor support). Additional course modules include Kotlin Expert, Compose Expert, Testing Expert, and Accessibility Expert. The company also provides enterprise training under 'IA para Desarrolladores'. The product ecosystem includes a learning platform (DevExpert Academy), a free blog with technical articles and capsules, and a weekly newsletter. All courses are accessible indefinitely through the academy platform, with tutor support available for 6 months in Architect Coders.

Differentiator

Problem solved

Functional benefit

Brands

• AI Expert: Training program focused on multiplying developer productivity using AI tools and methodologies. Duration: 6 weeks.
• Architect Coders
• Kotlin Expert
• Compose Expert
• Testing Expert
• Accessibility Expert
• Android Boost
• Devsletter

Products and services

• AI Expert A live, cohort-based 6-week training program for individual developers on applying AI tools to developer workflows, including prompt engineering, Claude Code, MCPs, skills, and various AI methodologies, positioning developers as 'directors of orchestra' of AI-assisted coding.
• Architect Coders A video-based training program with 6 months of personalized tutoring on software architecture and code quality for Android development, covering Clean Architecture, SOLID principles, and best practices.
• Kotlin Expert A self-paced online course covering advanced Kotlin topics including coroutines, functional programming, and Kotlin Multiplatform, sold individually with lifetime access via the DevExpert Academy.
• Compose Expert A self-paced training program focused on Jetpack Compose for Android UI development, sold individually with lifetime access.
• Testing Expert A self-paced training program on Android testing covering unit tests, integration tests, test configuration, and test-driven development methodology.
• Accessibility Expert A self-paced training course on accessibility implementation best practices for Android applications.
• IA para Desarrolladores (Enterprise) A customized in-company AI training path for enterprise development teams focused on applied AI for developers, sold with quote-based pricing excluding VAT and delivered as a live enterprise engagement.
• DevExpert Academy A learning management system platform providing students with indefinite access to purchased course content, including video lessons and downloadable code repositories per exercise.

Quantifiable outcome

• Students report career advancement after completing training, including promotions to senior roles, salary increases, and successful job transitions to top technology companies.
• +2 more outcomes

Named customers15 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• JetBrainscoreStrategic or Co-development PartnerDevExpert is a JetBrains Official Training Partner and Kotlin Training Certified provider. JetBrains authorizes DevExpert to deliver official Kotlin training programs, providing credibility and alignment with the Kotlin language creator. This partnership is central to DevExpert's positioning as a premier Kotlin education provider.

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Kodeco (formerly Raywenderlich): Kodeco is the leading subscription-based mobile development training platform (originally Raywenderlich), focused on iOS, Android, and cross-platform tutorials, books, and video courses. It is the closest direct peer to DevExpert in terms of mobile-development-focused, instructor-led technical training for working developers.
• Hyperskill (JetBrains Academy): Hyperskill (formerly JetBrains Academy) is JetBrains' own learning platform offering project-based tracks in Kotlin, Java, Python, and other languages. It is directly comparable because both compete for the same Kotlin/Android developer learner, and DevExpert is simultaneously a JetBrains Training Partner — making it the closest vertically adjacent peer.

Broad incumbents

• Codecademy: Codecademy is an established interactive coding education platform covering programming, web, data, and mobile development. It competes with DevExpert for individual learners learning to code and upskill, though its focus is broader and more entry-level than DevExpert's senior Android specialization.
• Pluralsight: Pluralsight is a large, enterprise-focused technology skills platform offering thousands of video courses across cloud, software development, data, and security. It competes for the same enterprise training budgets and individual Android/Kotlin learners, but as a broad incumbent rather than a specialist.
• Udemy: Udemy is a global online course marketplace with extensive Android, Kotlin, and AI-for-developers catalogs sold at low individual price points. It competes for the same self-paced individual learners as DevExpert's self-paced courses, but operates as a broad multi-instructor marketplace rather than a branded training company.
• Coursera: Coursera partners with universities and companies to deliver professional certificates, specializations, and degrees, including Android/Kotlin and AI content. It targets the same enterprise upskilling buyer as DevExpert's in-company training programs, but with a much broader portfolio and institutional brand.

Emerging players

• Egghead.io: Egghead.io is a bite-sized video learning platform for web and mobile developers, with curated tracks on React, TypeScript, and increasingly AI tooling. It overlaps with DevExpert in format (short expert-led videos) and target learner (working developers), but is broader and more web-focused.
• CodePath: CodePath is a nonprofit delivering free, bootcamp-style technical training with strong emphasis on Android and iOS mobile engineering for underrepresented students. It is comparable because it targets the same Android learner audience with intensive cohort-based formats, though funded and mission-driven rather than commercial.
• Coding with Mitch: Coding with Mitch is a solo-instructor Android training site offering courses, a YouTube channel, and a community. It is a close structural analogue to DevExpert — a single recognized Android expert monetizing personal-brand video content — though with a smaller catalog and no enterprise or JetBrains-certified offerings.

Others

• Manning Publications: Manning is a long-established technical publisher selling books, liveVideo courses, and liveProject formats, including titles on Kotlin, Android, and AI. It is comparable because it sells developer training in adjacent formats (books + video) and overlaps in the same learner audience.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCV31octs5hft6bZmokUgQlA
• LinkedInlinkedin.com/company/devexpert-io
• Instagramdevexpert.io/instagram

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about DevExpert.io - Android & Kotlin Training