Roman M.-Backend Engineer
Check rate
Experience
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
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
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
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and 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
Education
Lviv Polytechnic National University
Bachelor's degree, Computer Science · Computer Science · Lviv, Ukraine
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Roman is based in Lviv, Ukraine.
Roman speaks the following languages: Ukrainian (Native), English (Advanced).
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.
Based on recent experience, Roman would be well-suited for roles such as: Backend Engineer, Backend Developer, Frontend Developer.
Roman's most recent position is Backend Engineer at JetSoftPro.
In recent years, Roman has worked for JetSoftPro.
Roman is most experienced in industries like Information Technology.
Roman is most experienced in business areas like Information Technology and Product Development.
Roman has recently worked in industries like Information Technology.
Roman has recently worked in business areas like Information Technology and Product Development.
Roman holds a Bachelor in Computer Science from Lviv Polytechnic National University.
The availability of Roman needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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