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I’m a software engineer, educator, and musician who loves turning big ideas into practical, meaningful solutions. I thrive on collaborating with curious, bright people to invent and implement projects that matter, blending technology with education and the arts. Over the years I’ve co-founded a software company, taught both kids and adults through workshops, and pursued music—from bagpipes to composing. My work weaves math, music, and storytelling to help others learn, create, and innovate.…I’m a software engineer, educator, and musician who loves turning big ideas into practical, meaningful solutions. I thrive on collaborating with curious, bright people to invent and implement projects that matter, blending technology with education and the arts. Over the years I’ve co-founded a software company, taught both kids and adults through workshops, and pursued music—from bagpipes to composing. My work weaves math, music, and storytelling to help others learn, create, and innovate.

Tsvetelin Andreev

Full Stack Developer, Web Developer, Architect, +7

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I’m a software engineer, educator, and musician who loves turning big ideas into practical, meaningful solutions. I thrive on collaborating with curious, bright people to invent and implement projects that matter, blending technology with education and the arts. Over the years I’ve co-founded a software company, taught both kids and adults through workshops, and pursued music—from bagpipes to composing. My work weaves math, music, and storytelling to help others learn, create, and innovate.…I’m a software engineer, educator, and musician who loves turning big ideas into practical, meaningful solutions. I thrive on collaborating with curious, bright people to invent and implement projects that matter, blending technology with education and the arts. Over the years I’ve co-founded a software company, taught both kids and adults through workshops, and pursued music—from bagpipes to composing. My work weaves math, music, and storytelling to help others learn, create, and innovate.

Available to hire

I’m a software engineer, educator, and musician who loves turning big ideas into practical, meaningful solutions. I thrive on collaborating with curious, bright people to invent and implement projects that matter, blending technology with education and the arts.

Over the years I’ve co-founded a software company, taught both kids and adults through workshops, and pursued music—from bagpipes to composing. My work weaves math, music, and storytelling to help others learn, create, and innovate.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Bulgarian

Fluent

English

Advanced

Portuguese

Advanced

German

Beginner

Work Experience

Self-employed Software Engineering Consultant at Independent Contractor / Self-employed

April 1, 2019 - Present

Technology- and platform-agnostic software engineer delivering frontend and backend development; emphasis on efficient collaboration and high-quality products. Notable projects include power-drone.com (Angular frontend, Python and SQL backend; Prefect flows and PostgREST REST API to Postgres), ML-driven drone-inspection platform, and learn-together.co/dbook (Kotlin backend with Firebase). Also developed PoC for multi-agent document generation (Python, Google ADK) and explorable PDFs on e-ink tablets.

Dreamix Partner, Full Stack Developer at Dreamix Ltd

October 1, 2006 - October 31, 2015

Joined the initial founding team and contributed across product development and company growth to 35 people and a seven-digit revenue. Served on the board and management, nurtured startup culture, and led delivery across multiple startups. Notable projects for VistaJet (Java, AWS, Kafka), McCann | IPG Health (Angular, Java), and Plotaverse (Typescript, Swift).

Founder at KabaGaida.com

January 1, 2012 - December 31, 2016

Online shop for Rhodopean bagpipe instruments and music lessons; built product and managed operations; led Kaynak Pipers Band collaborations and learner programs.

Co-founder at Forest Kindergarten (Bistritsa)

January 1, 2015 - December 31, 2015

Co-founded a parent-led cooperative kindergarten; organized programs and activities for early learners in natural settings.

Founder at Office in the Woods

January 1, 2014 - December 31, 2014

Founded a coworking space in the Rhodope mountains; built community and facilitated collaboration.

Musician at Kaynak Pipers Band

January 1, 2016 - Present

Played the Rhodopean kaba gaida since 2005; performed across the USA, UK, and Greece; taught live and online lessons; managed band activities.

Investing & Project Support at Virtues project / Elvena workshop

January 1, 2017 - December 31, 2019

Invested in and supported the Virtues project; provided training resources for parents and teachers; helped scale educational manipulatives and workshops.

Freelance Consultant, Architect, Developer and Project Manager

January 1, 2019 - Present

Independent engagements across software development, architecture, product delivery and project management; delivering end-to-end solutions and leading cross-functional teams.

Co-founder / CTO / PM / Architect / Full Stack Developer at Dreamix Ltd

January 1, 2006 - December 31, 2015

Co-founded Dreamix Ltd; led product development, growth to 35 employees and seven-digit revenue; managed business development, recruitment and culture; involved in the directors' board and eventual sale to Synectron.

Java Software Developer at Publications

January 1, 2003 - December 31, 2006

Developed Java software; contributed to software projects and publications in a Bulgarian academic context.

Lecturer / Courses Instructor at Sofia University (Faculty of Mathematics and Informatics) / Publications

January 1, 2005 - December 31, 2008

Lectured various courses in mathematics and informatics; contributed educational content and publications.

Freelance Educator

January 1, 2017 - Present

Educator collaborating with Jenny Sendova; workshops and courses blending tech, math, music and arts for children, teachers and parents.

Musician / Bagpipe Player at Kaba Gaida / Kaynak Pipers Band

January 1, 2005 - Present

Bagpipe performer; recorded an album and performed at weddings, festivals and venues; organized workshops and events.

Freelance Consultant, Architect, Developer and Project Manager at Self-employed / Freelance

January 1, 2019 - Present

Delivered front-end and back-end web and cloud-based solutions, led projects and teams, and integrated diverse tech stacks (Python, SQL, cloud services) to create value for clients.

Co-founder, PM, Architect, Team Lead, Full Stack Developer at Dreamix Ltd

January 1, 2006 - January 1, 2015

Co-founded a software company; led product design and full-stack development for enterprise clients; implemented front-end Angular, Python back-end, and Postgres DB; built drone-enabled energy infrastructure inspection workflows with Prefect and REST/API integration; leveraged OpenCV for vision tasks.