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I am a software solutions architect with hands on experience in web application development and advisory, headless composable architecture. TOGAF & Sanity certified. Passionate and enthusiastic, pragmatic and optimistic. Enjoy solving puzzles and complex objectives. Have a strong focus on simple, efficient, sustainable and lean solutions which aim to provide real value. Motivated by the sense of achievement. Strong believer in development experience and automation as a development performance drivers. I am fond of continuous education and technological research. Occasional writer. Creator of multiple FOSS utilities which are used by many.…I am a software solutions architect with hands on experience in web application development and advisory, headless composable architecture. TOGAF & Sanity certified. Passionate and enthusiastic, pragmatic and optimistic. Enjoy solving puzzles and complex objectives. Have a strong focus on simple, efficient, sustainable and lean solutions which aim to provide real value. Motivated by the sense of achievement. Strong believer in development experience and automation as a development performance drivers. I am fond of continuous education and technological research. Occasional writer. Creator of multiple FOSS utilities which are used by many.

Bogdan Kolesnyk

Full Stack Developer, Front-End Developer, Back-End Developer, +6

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I am a software solutions architect with hands on experience in web application development and advisory, headless composable architecture. TOGAF & Sanity certified. Passionate and enthusiastic, pragmatic and optimistic. Enjoy solving puzzles and complex objectives. Have a strong focus on simple, efficient, sustainable and lean solutions which aim to provide real value. Motivated by the sense of achievement. Strong believer in development experience and automation as a development performance drivers. I am fond of continuous education and technological research. Occasional writer. Creator of multiple FOSS utilities which are used by many.…I am a software solutions architect with hands on experience in web application development and advisory, headless composable architecture. TOGAF & Sanity certified. Passionate and enthusiastic, pragmatic and optimistic. Enjoy solving puzzles and complex objectives. Have a strong focus on simple, efficient, sustainable and lean solutions which aim to provide real value. Motivated by the sense of achievement. Strong believer in development experience and automation as a development performance drivers. I am fond of continuous education and technological research. Occasional writer. Creator of multiple FOSS utilities which are used by many.

Available to hire

I am a software solutions architect with hands on experience in web application development and advisory, headless composable architecture. TOGAF & Sanity certified. Passionate and enthusiastic, pragmatic and optimistic. Enjoy solving puzzles and complex objectives. Have a strong focus on simple, efficient, sustainable and lean solutions which aim to provide real value. Motivated by the sense of achievement. Strong believer in development experience and automation as a development performance drivers. I am fond of continuous education and technological research. Occasional writer. Creator of multiple FOSS utilities which are used by many.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

German

Intermediate

Ukrainian

Fluent

Russian

Fluent

Work Experience

Principal Software Architect at Valtech

November 1, 2021 - Present

Architected enterprise-grade web solutions for sectors including real estate, energy, logistics, and manufacturing. Led cloud-native platform development, promoted monorepo adoption, optimized CI/CD pipelines reducing release time by 66%, and standardized tech stack with NestJS, Tailwind, and Turborepo. Designed and implemented reusable contract testing frameworks and secure backend integrations. Led UI component library creation and participated in RFP processes through technical analysis and architecture proposals.

Freelance Consultant / OSS Contributor at b12k.com

September 1, 2006 - Present

Delivered custom software and DevOps solutions focused on developer tooling and SSR-first architecture. Created backend APIs for applications including Bitcoin wallet integration, authored VueJS SSR boilerplates, and published open-source projects. Conducted workshops on monorepo automation, cloud architecture, and SEO. Implemented idempotency strategies for production safety.

Lead Frontend Engineer at AutoScout24

October 31, 2021 - July 29, 2025

Led frontend modernization and scaling for Switzerland’s largest automotive marketplace. Delivered award-winning PWA and SPA solutions using VueJS, React, and NodeJS. Implemented custom tracking and data protection layers and scaled frontend team from 2 to 13 engineers. Managed offshore teams, mentored developers, and drove agile planning.

Frontend Team Lead / Tech Lead at Thomas Cook (via Ciklum)

January 31, 2017 - July 29, 2025

Led cross-functional team on a personalized high-volume booking and upsell platform. Delivered frontend, backend, and QA features for ticket purchasing and personalized offers. Participated in agile governance and ensured high production standards in a critical environment.

Senior Frontend Developer at Ricardo.ch (AutoRicardo, via Ciklum)

June 30, 2016 - July 29, 2025

Developed core frontend applications and tools for automotive classifieds platform. Implemented mass car listing bulk-insertion tools and embeddable VueJS dealer interfaces. Built OCR-based car passport scanners to streamline data entry.

Software Engineer at Ciklum

January 31, 2017 - July 29, 2025

Delivered frontend and full-stack features for European clients in distributed agile teams. Embedded with Ricardo.ch and ThomasCook.com teams contributing to critical platform development. Presented tech talks on Node.js and microcontroller programming.

Lecturer – Frontend Technologies at GoIT

December 31, 2015 - July 29, 2025

Delivered hands-on web development education in a coding bootcamp. Taught HTML, CSS, JavaScript, responsive design, and provided mentoring and portfolio guidance to junior developers.

Head of R&D at SP Buddetal LLC

November 30, 2013 - July 29, 2025

Progressed from sales manager to head of R&D at a manufacturing company. Led digital transformation initiatives including ERP migration, automated inter-store data sync, and product marking systems. Developed POS-integrated pricing synchronization and managed major B2B partnerships.