Roman Medzhidov - Backend Engineer

Q: Where is Roman based?

Roman is based in Lviv, Ukraine .

Q: What languages does Roman speak?

Roman speaks the following languages: Ukrainian (Native), English (Advanced) .

Q: How many years of experience does Roman have?

Roman has at least 7 years of experience. During this time, Roman has worked in at least 3 different roles and for 2 different companies . The average length of individual experience is 2 years and 5 months . Note that Roman may not have shared all experience and actually has more experience.

Q: What is Roman's latest experience?

Roman's most recent position is Backend Engineer at JetSoftPro .

Q: What companies has Roman worked for in recent years?

In recent years, Roman has worked for JetSoftPro and KindGeek .

Q: Which industries is Roman most experienced in?

Roman is most experienced in industries like Information Technology (IT) .

Q: Which business areas is Roman most experienced in?

Roman is most experienced in business areas like Information Technology (IT) and Product Development .

Q: Which industries has Roman worked in recently?

Roman has recently worked in industries like Information Technology (IT) .

Q: Which business areas has Roman worked in recently?

Roman has recently worked in business areas like Information Technology (IT) and Product Development .

Recommended expert

Lviv, Ukraine

Experience

May 2021 - Oct 2025

4 years 6 months

Lviv, Ukraine

Backend Engineer

JetSoftPro

Optimized backend APIs and database queries, reducing API latency by 53% and improving checkout performance for 100,000+ daily users
Integrated payment gateways including credit cards, PayPal, and European local providers, ensuring PCI-compliant and secure transactions
Led migration from a legacy monolithic architecture to microservices, improving modularity and reducing deployment time by 40%
Designed and maintained RESTful and event-driven microservices using Django, Celery+RabbitMQ and Celery+Redis
Implemented caching strategies and asynchronous processing to improve system throughput and reliability
Enhanced monitoring, logging, and alerting, reducing incident response time by 25%
Maintained high code quality through unit and integration testing, peer code reviews, and CI/CD pipelines
Deployed and operated services on AWS (EC2, RDS, S3, EKS) using Docker and Kubernetes

Feb 2020 - Apr 2021

1 year 3 months

Lviv, Ukraine

Backend Developer

KindGeek

Developed RESTful APIs hosted on AWS EC2, enabling integration between front-end applications, ERP systems, and internal tools
Optimized SQL queries and implemented Redis caching, reducing API response times by 38%
Developed and maintained scalable Node.js backend services for enterprise systems, e-commerce solutions, and globally distributed real-time communication platforms
Collaborated closely with frontend developers, DevOps, and business teams to deliver new product launches
Improved system reliability through better error handling, logging, and performance tuning

Aug 2018 - Feb 2020

1 year 7 months

Lviv, Ukraine

Frontend Developer

KindGeek

Implemented reusable UI components and design systems, reducing frontend development time by 30%
Implemented interactive product pages and online catalog features, enhancing customer browsing and product discovery
Collaborated with designers and UX teams to deliver intuitive and visually appealing interfaces for domestic and international users

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (7 years).

Information Technology

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (7 years) and Product Development (7 years).

Information Technology

Product Development

Summary

Senior Backend Engineer with over 7 years of experience designing, building, and scaling Django, FastAPI and Node.js backend systems for high-traffic e-commerce and enterprise platforms. Strong background in monolithic and microservices architectures, RESTful and event-driven systems, and distributed messaging (Celery + RabbitMQ, Kafka, Redis). Proven experience deploying and operating production systems on AWS and Kubernetes, with a focus on performance optimization, reliability, and maintainability. Passionate about delivering scalable, fault-tolerant solutions that support business growth and rapid feature delivery.

Skills

Django
Fastapi
Flask
Node.js
Nestjs
Postgresql
Mysql
Mongodb
Redis (Caching, Pub/sub)
Aws (Ec2, S3, Rds, Lambda, Cloudwatch)
Kubernetes
Docker
Celery + Rabbitmq
Kafka
Redis
Nginx (Reverse Proxy, Load Balancing)
Logging, Metrics, Monitoring
Ci/cd
Ci/cd Pipelines (Github Actions, Jenkins)
High Availability, Fault Tolerance

Languages

Ukrainian

Native

English

Advanced

Education

Oct 2014 - Jun 2018

Lviv Polytechnic National University

Bachelor's degree, Computer Science · Computer Science · Lviv, Ukraine

Profile

Created

January 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Roman based?

Roman is based in Lviv, Ukraine.

What languages does Roman speak?

Roman speaks the following languages: Ukrainian (Native), English (Advanced).

How many years of experience does Roman have?

Roman has at least 7 years of experience. During this time, Roman has worked in at least 3 different roles and for 2 different companies. The average length of individual experience is 2 years and 5 months. Note that Roman may not have shared all experience and actually has more experience.

What roles would Roman be best suited for?

Based on recent experience, Roman would be well-suited for roles such as: Backend Engineer, Backend Developer, Frontend Developer.

What is Roman's latest experience?

Roman's most recent position is Backend Engineer at JetSoftPro.

What companies has Roman worked for in recent years?

In recent years, Roman has worked for JetSoftPro and KindGeek.

Which industries is Roman most experienced in?

Roman is most experienced in industries like Information Technology (IT).

Which business areas is Roman most experienced in?

Roman is most experienced in business areas like Information Technology (IT) and Product Development.

Which industries has Roman worked in recently?

Roman has recently worked in industries like Information Technology (IT).

Which business areas has Roman worked in recently?

Roman has recently worked in business areas like Information Technology (IT) and Product Development.

What is Roman's education?

Roman holds a Bachelor in Computer Science from Lviv Polytechnic National University.

What is the availability of Roman?

Roman is immediately available full-time for suitable projects.

What is the rate of Roman?

Roman's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.