Sergey Mykhailovsky
Glasgow
Summary
Highly skilled Senior Full Stack Developer with over 10 years of experience in building and scaling high-load SaaS & B2B platforms. My expertise spans across Advanced Python (ML Pipelines, ChatGPT, LLM, LSTM, Time Series, workflows for real-time data processing and model deployment), PHP (Laravel, Symfony), and JavaScript/TypeScript (Vue.js, React.js, Node.js), with a strong focus on API development, cloud infrastructure (AWS), and Microservices architecture.
I have successfully implemented large-scale projects, including the development of ChannelReply, an eCommerce integration platform that handled complex integrations with Amazon, eBay, Walmart, Zendesk, and Freshdesk.
I am well-versed in managing big data, ensuring system scalability, and optimizing performance for high-traffic environments. My background includes hands-on experience with AI/ML technologies, database management (MySQL, MSSQL, PostgreSQL, DynamoDB, MongoDB), and driving innovation through team leadership and strategic project management.
As a Certified Scrum Master, I bring agile excellence to project delivery, enabling cross-functional teams to collaborate efficiently and deliver high-impact results in fast-paced, technology-driven environments. I excel in both technical execution and leadership, consistently delivering scalable and effective solutions.
Overview
9
9
years of professional experience
1
1
Certification
Work history
Lead Engineer
Soft Actions
London
12.2023 - Current
- Streamlined operations by implementing efficient engineering processes.
- Coordinated with cross-functional teams for successful project completion.
- Enhanced system performance with comprehensive troubleshooting and root cause analysis.
- Developed strategic plans to improve overall productivity.
- Leveraged advanced Python for end‑to‑end ML workflows, including real‑time data processing, model deployment, ChatGPT & LLM integrations, LSTM‑based time series forecasting, and scalable pipeline development.
Full stack developer
Threecolts
London
04.2022 - Current
- Spearheaded the development of multiple high-performance web applications using Laravel within a microservices architecture on Amazon AWS, ensuring scalability and efficiency in a cloud environment.
- Collaborated with cross-functional teams to design and implement robust solutions that enhanced system performance and elevated user experience.
- Introduced and enforced best development practices, significantly boosting team productivity and delivering more efficient workflows.
- Engineered solutions for managing big data and optimizing systems to handle very high traffic loads, resulting in improved application reliability, performance, and scalability.
- Played a pivotal role in troubleshooting, optimizing, and deploying systems, ensuring seamless operations in a high-demand, data-intensive environment.
- Designed and implemented Python‑driven data parsing pipelines for real‑time ingestion, transformation, and analysis of complex datasets.
Senior Full Stack Engineer
AVRillo
London
12.2023 - 08.2024
- Development of an internal B2B system with a microservices architecture, improving scalability and efficiency.
- Built and integrated multiple databases using MSSQL and MySQL, ensuring seamless data flow and high performance across services.
- Developed the frontend using Vue.js, React, and TypeScript, creating a responsive and intuitive user interface.
- Utilized Laravel for backend development, ensuring robust API communication between microservices.
- Worked closely with cross-functional teams to implement solutions that improved operational workflows and business processes.
- Applied various tools and technologies to ensure smooth deployment and ongoing system maintenance.
Full stack engineer
ChannelReply
New York
08.2017 - 04.2022
- Built and scaled ChannelReply, a high-load SaaS platform integrating customer communication systems with major eCommerce marketplaces, including Amazon, eBay, and Walmart.
- Designed and developed the platform from the ground up using Laravel and AWS, optimizing for high-performance and scalability to handle large volumes of transactions.
- Integrated complex API systems to streamline customer support processes, significantly improving response times and enhancing user experience for eCommerce sellers.
- Played a critical role in scaling the business to manage high traffic and volume, which led to ChannelReply being successfully acquired by a larger entity.
- Led a cross-functional team of developers and collaborated with key stakeholders to drive product innovation and ensure alignment with business goals.
Full stack software developer
Century21
Zürich Area, Switzerland
07.2016 - 05.2018
- Developed a scalable SaaS & B2B & Messaging system using Laravel and Socket.io to enhance communication and real-time interaction between users.
- Engineered real-time event-driven features with Socket.io, improving user engagement and responsiveness.
- Integrated PostgreSQL for efficient data management, ensuring the platform could handle large datasets and transactions seamlessly.
- Worked on both frontend and backend aspects of the application, utilizing JavaScript for frontend interactivity and dynamic content delivery.
- Collaborated with cross-functional teams to design and implement new features, focusing on improving UX/UI and platform scalability.
Education
Master of Science - Robotics and AI
Odesа Polytechnic National University
Odesa, UkraineSkills
- PHP (Laravel, Symfony)
- JavaScript/TypeScript (Vuejs, Reactjs, Nodejs)
- Python
- AI/ML (Artificial Intelligence/Machine Learning)
- MySQL
- MSSQL
- PostgreSQL
- DynamoDB
- MongoDB
- AWS (Amazon Web Services)
- Microservices Architecture
Development & Programming
Languages
Database Management
- Big Data Management
- Git (Version Control)
- API Development (REST, GraphQL)
- Project Management
- Team Leadership
- Scrum Master
- Experience in leading large-scale projects and building teams
- Experience in both hands-on technical roles and strategic leadership roles
- Experience with eCommerce integrations
- Experience in building SaaS platforms
- Expertise in working with high-load systems and ensuring scalability
Leadership & Project Management
Additional Areas
Certification
- Machine Learning Specialisation (ML)
Stanford University
Achieved: Dec, 2024 - Machine Learning (ML): Advanced Learning Algorithms
Stanford University
Achieved: Dec, 2024 - Machine Learning (ML): Regression and Classification
Stanford University Online
Achieved: October, 2024 - Deep Learning(AI/ML): Recommenders, Unsupervised and Reinforcement Learning
Stanford University Online
Achieved: November, 2024 - Scrum Master Certification
LearnQuest, Verified by Jim Sullivan
Achieved: September, 2024 - Amazon Web Services Lambda
LinkedIn Learning
Achieved: July, 2022 - SOC 2 Compliance in the Cloud
ByteCheck Assurance
Achieved: October, 2024 - SOC 2 Compliance Essential Training
ByteCheck Assurance
Achieved: October, 2024 - HIPAA Compliance
Linkedin Learning
Achieved: November, 2024 - MBA Essentials
University of Glasgow
Achieved: October, 2024 - Back-End Apps NodeJS & ExpressJS
IBM
Achieved: October, 2024 - Front-End Apps with React
IBM
Achieved: October, 2024 - Full Stack Software Developer Assessment
IBM
Achieved: October, 2024 - Python for Data Science, AI & Development
IBM
Achieved: October, 2024 - PHP: Test-Driven Development with PHPUnit
LinkedIn Learning
Achieved: June, 2022 - PHP: Symfony 6
LinkedIn Learning
Achieved: Dec, 2024
Timeline
Lead Engineer
Soft Actions
12.2023 - Current
Senior Full Stack Engineer
AVRillo
12.2023 - 08.2024
Full stack developer
Threecolts
04.2022 - Current
Full stack engineer
ChannelReply
08.2017 - 04.2022
Full stack software developer
Century21
07.2016 - 05.2018
Master of Science - Robotics and AI
Odesа Polytechnic National University
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