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Senior Full-Stack Developer with 20+ years of experience building SaaS, ERP, CRM, and analytics end-to-end. Strong in Python, TypeScript, Vue.js, React, FastAPI, Django, REST APIs, async processing, PostgreSQL, Redis, and Kafka, with ownership from requirements and architecture through production delivery. Recent experience includes integrating AI/LLM features into real applications—building reliable, high-throughput systems while safely incorporating speech-to-text and LLM workflows to enhance product capabilities.…Senior Full-Stack Developer with 20+ years of experience building SaaS, ERP, CRM, and analytics end-to-end. Strong in Python, TypeScript, Vue.js, React, FastAPI, Django, REST APIs, async processing, PostgreSQL, Redis, and Kafka, with ownership from requirements and architecture through production delivery. Recent experience includes integrating AI/LLM features into real applications—building reliable, high-throughput systems while safely incorporating speech-to-text and LLM workflows to enhance product capabilities.

Vadym Z

Full Stack Developer, Back-End Developer, Front-End Developer, +3

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Senior Full-Stack Developer with 20+ years of experience building SaaS, ERP, CRM, and analytics end-to-end. Strong in Python, TypeScript, Vue.js, React, FastAPI, Django, REST APIs, async processing, PostgreSQL, Redis, and Kafka, with ownership from requirements and architecture through production delivery. Recent experience includes integrating AI/LLM features into real applications—building reliable, high-throughput systems while safely incorporating speech-to-text and LLM workflows to enhance product capabilities.…Senior Full-Stack Developer with 20+ years of experience building SaaS, ERP, CRM, and analytics end-to-end. Strong in Python, TypeScript, Vue.js, React, FastAPI, Django, REST APIs, async processing, PostgreSQL, Redis, and Kafka, with ownership from requirements and architecture through production delivery. Recent experience includes integrating AI/LLM features into real applications—building reliable, high-throughput systems while safely incorporating speech-to-text and LLM workflows to enhance product capabilities.

Available to hire

Senior Full-Stack Developer with 20+ years of experience building SaaS, ERP, CRM, and analytics end-to-end. Strong in Python, TypeScript, Vue.js, React, FastAPI, Django, REST APIs, async processing, PostgreSQL, Redis, and Kafka, with ownership from requirements and architecture through production delivery.

Recent experience includes integrating AI/LLM features into real applications—building reliable, high-throughput systems while safely incorporating speech-to-text and LLM workflows to enhance product capabilities.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Ukrainian

Fluent

English

Fluent

German

Beginner

Work Experience

Senior Software Developer at Turing - Natural Language Technologies Suite

November 1, 2020 - November 1, 2025

Designed and maintained a robust, modular monolith using Python and FastAPI, ensuring high reliability for core business logic. Built data-rich user interfaces with Vue.js and TypeScript, creating tools for audio playback, transcript visualization, and analytics. Collaborated directly with NLP engineers to integrate speech-to-text pipelines, handling complex data flows of audio files and analysis results. Operated as the sole full-stack developer on the product team, translating business requirements into technical features.

Senior Full-Stack Software Engineer at Ender Turing

January 1, 2020 - November 1, 2025

Owned application architecture and end-to-end implementation across backend and frontend for a high-throughput SaaS platform processing large volumes of customer calls. Worked in a small team, driving product delivery and day-to-day engineering decisions. Focused on reliability and operational delivery at scale for production systems handling high volumes of call processing; also contributed to ongoing product engineering improvements in the context of the existing NLP capabilities.

Senior Software Engineer at Sleipner Group

September 1, 2014 - October 1, 2020

Led full-cycle development of mission-critical internal ERP and CRM systems supporting daily business operations across backend, frontend, integrations, and mobile access. Owned Python/FastAPI backend services and TypeScript frontend interfaces using Vue.js and React for audio playback, transcript review, analytics, quality control, and operational workflows. Designed application architecture, REST APIs, domain workflows, and data flows for a production SaaS product built around speech-to-text and transcript analytics, including high-throughput processing for millions of calls per week. Built data-rich frontend workflows for search, review, visualization, analytics, and internal tooling to inspect and act on large transcript datasets. Integrated AI/LLM features such as structured extraction, quality scoring, RAG-style retrieval, and tool-based controlled flows; also designed Django backend services, REST APIs, data models, and integrations for internal/external operational applications

Full Stack Developer at Sleipner Group

September 1, 2014 - October 1, 2020

Led frontend modernization by integrating Vue.js into existing legacy systems, improving UX and maintainability. Engineered robust REST APIs using Python (Django) to support external applications and third-party integrations. Designed and implemented Progressive Web Apps (PWA) to enable mobile access for remote employees.

Full-Stack Developer at Lionbridge

March 1, 2014 - September 1, 2014

Backend Developer at Peak Solutions

August 1, 2013 - March 1, 2014

Engineered reliable REST APIs using Django, REST framework, Tornado, Celery, and comprehensive unit tests.

Full Stack Developer at ilove coupons

June 1, 2012 - March 1, 2013

Full Stack Developer at I Love Coupons

June 1, 2012 - June 1, 2013

Applied Django, jQuery, unit tests, and AWS for project delivery.

Full Stack Developer at Folga Fe

February 1, 2011 - February 1, 2012